Top Banner
Filter Model: T280D-25/4-A03 (or -A05, or -A07) T280D-30/6-A03 (or -A05, or -A07) T280D-40/8-A03 (or -A05, or -A07) T280D-50/8-A03 (or -A05, or -A07) Book No.: 514-IB1-7E 1GB-002 Lube Oil Filter Type T280D-25/4 to 50/8 ENGLISH Instruction Book
134
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Page 1: Manual

514-IB1-07 514ib17e.fm

Filter Model:

T280D-25/4-A03 (or -A05, or -A07)T280D-30/6-A03 (or -A05, or -A07)T280D-40/8-A03 (or -A05, or -A07)T280D-50/8-A03 (or -A05, or -A07)

Book No.: 514-IB1-7E

1GB-002

Lube Oil FilterType T280D-25/4 to 50/8

ENGLISH

InstructionBook

Page 2: Manual

514-IB1-07 514ib17e.fm

Instruction Book

Moatti Automatic Lube Oil Filterfor

Trunk Piston Diesel EnginesType T280D-25/4 to 50/8

Filter Model:

T280D-25/4-A03 (or -A05, or -A07)T280D-30/6-A03 (or -A05, or -A07)T280D-40/8-A03 (or -A05, or -A07)T280D-50/8-A03 (or -A05, or -A07)

Book No.: 514-IB1-7E

1GB-002

Alfa Laval Marine & Diesel

Page 3: Manual

514-IB1-07 514ib17e.fm

Whilst every effort has been made to ensure that the informationcontained in this publication is correct and fully up-to-date, Alfa Lavalreserve the right to make changes at any time without prior notice.

Any comments regarding possible errors and omissions orsuggestions for improvement of this publication would be gratefullyappreciated.

Copies of this publication can be ordered from your local Alfa Lavalcompany.

Published by: Alfa Laval Moatti snc®

Z.I. DU CHENE SORCIER - BP 56F-78340 LES CLAYES-SOUS-BOISFrance

Edition: 7

Printed: October 2004

© Copyright Alfa Laval Moatti snc® 2004. Printed in France.

Page 4: Manual

514-IB1-07 514ib17e.fm

Page 5: Manual

TABLE OF CONTENTS

1.0 GENERAL INFORMATION. . . . . . . . . . . . . . . . . . . . . . . . 11.1 SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . 11.2 WARNING SIGNS AND LABELS . . . . . . . . . . . . . . . . . . 11.3 SAFETY PRECAUTIONS AND INSTRUCTIONS . . . . . . 21.4 WORKING PRACTICES. . . . . . . . . . . . . . . . . . . . . . . . . . 31.5 WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31.6 ALFA LAVAL SERVICE AND SUPPORT. . . . . . . . . . . . . 3

2.0 FUNCTION DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . 52.1 EQUIPMENT OVERVIEW. . . . . . . . . . . . . . . . . . . . . . . . . 52.2 MAIN ASSEMBLIES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.2.1 Filter housing. . . . . . . . . . . . . . . . . . . . . . . . . . . . 52.2.2 Filtering unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62.2.3 Hydraulic motor. . . . . . . . . . . . . . . . . . . . . . . . . . 72.2.4 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82.2.5 Optional equipment. . . . . . . . . . . . . . . . . . . . . . . 8

2.3 APPLICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92.4 DESIGN FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.4.1 Continuous backflushing . . . . . . . . . . . . . . . . . 102.4.2 Disc-type filter elements. . . . . . . . . . . . . . . . . . 102.4.3 Filtered oil drives the continuous

backflushing . . . . . . . . . . . . . . . . . . . . . . . . . . . 102.4.4 No disposable filter elements . . . . . . . . . . . . . 112.4.5 Constant pressure drop over the filter . . . . . . 112.4.6 Compact and lightweight design . . . . . . . . . . . 11

2.5 PRINCIPLES OF OPERATION. . . . . . . . . . . . . . . . . . . . 132.5.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132.5.2 Phase I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152.5.3 Phase II. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

2.6 PRESSURE DROP INDICATOR. . . . . . . . . . . . . . . . . . . 19

3.0 OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213.1 PRE-START CHECKS . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.1.1 Before initial start-up . . . . . . . . . . . . . . . . . . . . 213.1.2 Immediately before the initial start-up . . . . . . 21

3.2 INITIAL START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223.3 NORMAL OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . 23

3.3.1 Determination of reference values . . . . . . . . . 233.3.2 Daily checks. . . . . . . . . . . . . . . . . . . . . . . . . . . . 233.3.3 150-200 operating hours checks . . . . . . . . . . . 243.3.4 12000 operating hours checks. . . . . . . . . . . . . 243.3.5 Alarm checks . . . . . . . . . . . . . . . . . . . . . . . . . . . 243.3.6 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

3.4 SHUTDOWN PROCEDURES. . . . . . . . . . . . . . . . . . . . . 263.5 EMERGENCY OPERATION. . . . . . . . . . . . . . . . . . . . . . 26

4.0 TROUBLE SHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . . 274.1 GENERAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274.2 PROBLEMS AT INITIAL START-UP BEFORE A ∆P-

ALARM OCCURS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284.2.1 No revolution of the operating indicator . . . . . 284.2.2 Slow revolution of the operating indicator.. . . 294.2.3 Pressure drop value above 0.4-0.5 bar . . . . . . 30

4.3 EXTERNAL LEAKAGE . . . . . . . . . . . . . . . . . . . . . . . . . 314.3.1 Leakage on top of the filter . . . . . . . . . . . . . . . 314.3.2 Leakage around the filter housing. . . . . . . . . . 31

Page 6: Manual

4.4 ABNORMAL VALUES ON DAILY CHECKS BUT NO ∆P-ALARM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324.4.1 Pressure drop value is more than 0.2 bar higher

than the reference value from section 3.3.1.. . 324.4.2 Revolution time for the operating indicator is

more than 1 minute above the reference value from section 3.3.1 . . . . . . . . . . . . . . . . . . . . . . . 33

4.5 PROBLEMS WITH THE ∆P-ALARM ACTIVATED. . . . . 344.5.1 Alarm during initial start-up . . . . . . . . . . . . . . . 354.5.2 Alarm within 50 hours after initial start-up . . . 364.5.3 Alarm during normal start-up . . . . . . . . . . . . . 374.5.4 Alarm during normal operation . . . . . . . . . . . . 384.5.5 Alarm after major engine overhaul . . . . . . . . . 40

5.0 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 415.1 GENERAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 415.2 OVERHAUL OF THE FILTER. . . . . . . . . . . . . . . . . . . . . 42

5.2.1 Tools and spares required . . . . . . . . . . . . . . . . 425.2.2 Disassembly of the diversion head . . . . . . . . . 435.2.3 Disassembly of the filtering unit . . . . . . . . . . . 495.2.4 Cleaning and inspection of the filtering unit . 535.2.5 Cleaning and inspection of the inlet strainer . 555.2.6 Assembly of the filtering unit. . . . . . . . . . . . . . 565.2.7 Assembly of the diversion head . . . . . . . . . . . 60

5.3 OVERHAUL OF THE HYDRAULIC MOTOR . . . . . . . . . 645.3.1 Tools and spares required.. . . . . . . . . . . . . . . . 645.3.2 Disassembly of the hydraulic motor . . . . . . . . 655.3.3 Cleaning and inspection of the components . 695.3.4 Assembly of the hydraulic motor. . . . . . . . . . . 71

5.4 AFTER MAINTENANCE CHECKS . . . . . . . . . . . . . . . . 785.4.1 Checks before start-up . . . . . . . . . . . . . . . . . . . 785.4.2 Checks at start-up . . . . . . . . . . . . . . . . . . . . . . . 79

6.0 INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 816.1 GENERAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 816.2 THE FILTER IN THE SYSTEM . . . . . . . . . . . . . . . . . . . . 82

6.2.1 Marine propulsion and power station engines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

6.2.2 Marine auxiliary engines. . . . . . . . . . . . . . . . . . 836.3 FILTER LOCATION SPECIFICATIONS . . . . . . . . . . . . . 85

6.3.1 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 856.3.2 Space requirements . . . . . . . . . . . . . . . . . . . . . 856.3.3 Accessible location. . . . . . . . . . . . . . . . . . . . . . 86

6.4 SYSTEM PIPING CONNECTIONS. . . . . . . . . . . . . . . . . 886.5 CONNECTION OF THE PRESSURE DROP

INDICATOR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 896.6 FLUSHING THE SYSTEM . . . . . . . . . . . . . . . . . . . . . . . 89

7.0 SPARE PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 917.1 GENERAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 917.2 ORDERING PROCEDURE. . . . . . . . . . . . . . . . . . . . . . . 917.3 FILTER HOUSING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

7.3.1 Parts list and exploded view . . . . . . . . . . . . . . 927.3.2 Set of gaskets for the filter housing . . . . . . . . 96

Page 7: Manual

7.4 FILTERING UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 987.4.1 Parts list and exploded view . . . . . . . . . . . . . . 987.4.2 Complete filtering unit . . . . . . . . . . . . . . . . . . 1007.4.3 Distributor and Sleeve . . . . . . . . . . . . . . . . . . 1017.4.4 Full-flow and diversion filter elements . . . . . 1027.4.5 Full-flow and diversion rod. . . . . . . . . . . . . . . 103

7.5 HYDRAULIC MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . . 1047.5.1 Parts list and exploded view . . . . . . . . . . . . . 1047.5.2 Piston driving shaft assembly . . . . . . . . . . . . 1067.5.3 Driving shaft assembly . . . . . . . . . . . . . . . . . . 1077.5.4 Set of "gaskets" for the hydraulic motor . . . 108

8.0 TECHNICAL DATA AND DRAWINGS . . . . . . . . . . . . . 1098.1 VARIOUS DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1098.2 DIMENSIONED DRAWINGS . . . . . . . . . . . . . . . . . . . . 110

8.2.1 Filter T280D-25/4 to 50/8-01 . . . . . . . . . . . . . . 1108.2.2 Filter T280D-25/4 to 50/8-02 . . . . . . . . . . . . . . 1118.2.3 Counter flanges. . . . . . . . . . . . . . . . . . . . . . . . 1128.2.4 Pressure drop indicator . . . . . . . . . . . . . . . . . 113

APPENDIX A. SPARE PARTS ORDERING FORM . . . . . . . 115

APPENDIX B. MARINE SERVICE NETWORK 2004 . . . . . 117

APPENDIX C. CROSS REFERENCE LIST . . . . . . . . . . . . . 125

Page 8: Manual
Page 9: Manual

GENERAL INFORMATION

514-IB1-07 gi01e45.fm 1

1.1 SAFETY INSTRUCTIONS

Pay attention to the safety instructions in this booklet.

• Below three different types of instruction used in the text aredisplayed.

DANGER:

This type of safety instruction is used wherethere is a grave danger of injury to personsand/or serious damage to the equipment or theenvironment.

WARNING:

This type of safety instruction is used wherethere is a danger of injury to persons and/ordamage to the equipment or the environment.

CAUTION:

This type of safety instruction is used wheredanger of injury to persons and/or damage toequipment or the environment, can occur if theinstruction is not followed.

• On the following pages you will find:- Warning signs and labels. The illustration shows where to find

them on the equipment.- Safety precautions and instructions which contain important

information concerning safety.

1.2 WARNING SIGNS AND LABELS

FAILURE TO FOLLOW THE SAFETY INSTRUCTIONS CAN CAUSE ACCIDENTS RESULTING IN SERIOUS INJURY TO

PERSONS AND DAMAGE TO EQUIPMENT

!

!

!

1GX-001D 1GX-014

Page 10: Manual

GENERAL INFORMATION

2 514-IB1-07 gi03e01.fm

1.3 SAFETY PRECAUTIONS AND INSTRUCTIONS

Incorrect installation, operation and maintenance, or use of non-original parts, can cause a breakdown of the equipment.

Personnel installing, operating or performing service must have properknowledge and skill for their task. It is essential to read, understandand follow the instructions in this manual.

• Always follow safety regulations, local or general, concerninglifting devices, electrical equipment, pressure vessels,inflammable, toxic or corrosive process media etc.

• Always follow Alfa Laval’s specifications concerning checking andmaintenance intervals.

• Always follow stated values for process parameters.

• Always use ear-protection when working in noisy environments.

• Never use the filter for filtering other liquids or liquids with othercharacteristics than originally specified. If your requirementschange, always consult your Alfa Laval representative before anychanges are made.

• A filter has maximum and minimum safe operating limitsconcerning temperature, pressure, flow etc. (see Technical Dataand Drawings). Operating above or below these limits may bepotentially dangerous.

• Be careful when working near pipes, valves, heaters, or motors. Ifyou come in contact with hot liquids, hot surfaces or steam youmay experience severe burns.

• Never neglect alarms. They indicate a faulty condition. The causeof the alarm must be found and corrected before restart.

IF YOU ARE UNCERTAIN ABOUT ANY POINTS CONTACTYOUR ALFA LAVAL REPRESENTATIVE

3XX-001

3XX-002

Page 11: Manual

GENERAL INFORMATION

514-IB1-07 gi04e01.fm 3

1.4 WORKING PRACTICES

Good working practices help to avoid unnecessary damage toequipment or injury to personnel and can prolong the working life ofthe filter. The following points will contribute towards this:

1. Never leave the equipment in a potentially dangerous state, suchas leaving the drain cock open when the filter is shut down.

2. Only use the correct tools for the job in hand.

3. Remove all personal jewellery when working on the filter.

1.5 WARRANTY

CAUTION:

The warranty covering the equipment will beinvalid in the event of damage caused byunspecified working practices and/or failure toobserve the correct specified procedures.

In addition, any relevant classification society or local authorityregulations must be followed.

1.6 ALFA LAVAL SERVICE AND SUPPORT

A list of Alfa Laval representatives can be found in the appendix at theend of this book.

The support available from each Alfa Laval representative variesaccording to location and size. The following is a list of all types ofsupport that may be provided:

1. Technical advice2. Spare parts3. On-board service4. Repair shop

If there is anything in this manual about which you are uncertainplease contact

Alfa Laval Moatti snc®

Z.I. DU CHENE SORCIER - BP 56F-78340 LES CLAYES-SOUS-BOISFrance

Telefax +33 1 30 81 81 70Phone +33 1 30 81 81 81

or your local Alfa Laval representative.

!

Page 12: Manual

4

Page 13: Manual

FUNCTION DESCRIPTION

514-IB1-07 fd01e45.fm 5

2.1 EQUIPMENT OVERVIEW

The complete filter comprises three mainassemblies, these are:

• Filter housing

• Filtering unit

• Hydraulic motor

The filtering unit is completely contained within thefilter housing and a number of accessories arelocated outside the filter housing. The hydraulicmotor is located on top of the filter housing.

Various optional equipment can also be deliveredwith the complete filter.

2.2 MAIN ASSEMBLIES

2.2.1 Filter housing

The filter housing comprises three main sections,these are :

• Diversion head (1)

• Outlet body (3)

• Inlet body (2) with strainer (15)

The positioning of the filtering unit within the filterhousing creates two separate filter chambers. Theseare:

• Full-flow chamber (E)

• Diversion chamber (L)

The full-flow chamber (E) contains the full-flow filterelements that remove the harmful solids from thelube oil before it enters the engine.

The diversion chamber (L) contains the diversionfilter elements that filter the backflushed oil with itssolids from the full-flow chamber. The solids willconcentrate in this chamber and will be removedfrom the lube oil system by periodic draining.

A = Oil inletF = Filtered oil to engineP = Backflushed oil to lube oil sump

1GB-002

Moatti automatic lube oil filter

1GB-003

Filter housing

L

E

F

A

1

3

P

L

E

2

15

Page 14: Manual

FUNCTION DESCRIPTION

6 514-IB1-07 fd01e45.fm

2.2.2 Filtering unit

The filtering unit comprises a distributor (16) in thecentre which routes the incoming oil and controls thefiltering and backflushing procedure. This is coveredby a sleeve (18) over which two types of filterelement are placed. The bottom section houses thefiner full-flow filter elements (30) and the shorter topsection houses the coarser diversion filter elements(29). Both sets of filter elements are located over thefull-flow rods (32) and diversion rods (31) tocomplete the filtering unit.

The full-flow filter elements (30) are clampedbetween the full-flow companion spacer (27) and thefull- flow cover (28) by means of the springs (38) andthe rods (32).

The diversion filter elements (29) are clampedbetween the diversion companion spacer (25) andthe diversion cover (24) by means of the rods (31).

Both types of filter element are made up from twoelement halves. Each half comprises an aluminiumframework of 12 equal sectors separated by radialribs. Between each rib is a stainless steel filterscreen. When the pairs of filter elements are stackedtogether they form 12 independent filtering columnsin each filter chamber.

The main physical differences between the twotypes of elements are as follows:

• The full-flow filter element screen is finer.

• When the two filter halves are put together thefull-flow filter elements have the openings on theoutside (A) and the diversion filter elementshave the openings on the inside (B).

1FU-001Filtering unit

29

1831

3216

30

1GB-004Section of filtering unit

25

18

38

24

29

31

27

32

30

28

16

1FU-003

Full-flow filter element

A1FU-004

Diversion filter element

B

Page 15: Manual

FUNCTION DESCRIPTION

514-IB1-07 fd01e45.fm 7

2.2.3 Hydraulic motor

The hydraulic motor (45) is located on top of the filterhousing. It is driven by a small part of the filtered oil.The hydraulic motor rotates the distributor (16) in astepwise manner in one direction which controls thefiltering/backflushing procedure. The stepwiserotation of the distributor is indicated by an operatingindicator (53) fitted to the driving shaft of thehydraulic motor.

The hydraulic motor contains a piston (20) thatmoves up and down in a reciprocating motion insidea cylinder (A), (the body of the hydraulic motor). Thepiston is via driving pins (24), connected to a helicalgrooved driven ratchet (30) which converts theupward motion of the piston into a rotational step.This rotational step is transmitted via the drivingratchet (29) and driving shaft (22) to the distributor.Downward motion of the piston disengages thedriving ratchet and the distributor does not move.

Valves in the cylinder are activated by the movementof the piston, so controlling the driving oil to theupper and lower side of the piston respectively.

1HM-001Hydraulic motor

1HM-002Location of hydraulic motor

53

45

1HM-003

Internal arrangement of hydraulic motor1HM-004

Page 16: Manual

FUNCTION DESCRIPTION

8 514-IB1-07 fd01e45.fm

2.2.4 Accessories

The following accessories are attached to the filterhousing:

• Pressure drop indicator (44) with associatedfeed pipes and isolator cocks, (A) and (B).

• Feed pipe (90) for the hydraulic motor

• Return pipe (91) for the hydraulic motor

• Drain cock (46) for the diversion chamber

• Magnetic plug (47) in the diversion chamber

• Two inspection covers (92) in the inlet body

• Counter flanges with O-rings and bolts for:• inlet from sump (A)• outlet to engine (F)• return to sump (P)

NOTE !

See also chapter 8.

2.2.5 Optional equipment

The following optional equipment can be deliveredwith the filter:

• Two inspection covers with magnetic plates (A)to replace the standard inspection covers.

• Set of gaskets for the filter housing and for thehydraulic motor (See chapter 7)

NOTE !

These gaskets are needed formaintenance of the filter (see alsochapters 5 and 7).

• Air/water gun for cleaning clogged filterelements (Article No. 1800-08878)

4

1GB-005

Accessories1GB-006

91

90P

F

A

92

4

AB

4

B

A

1GB-007

Magnetic plate

A

3FU-001Air/water gun

Page 17: Manual

FUNCTION DESCRIPTION

514-IB1-07 fd03e45.fm 9

2.3 APPLICATIONS

The application for this type of filter is for full-flow filtering of lubricatingoils for diesel engines.

The filter is installed in the full-flow lube oil system as close to theengine as possible. Its function is to protect the engine against harmfulsolid particles, that may not yet have been removed by the centrifugalseparator, which is installed in the by-pass lube oil system.

The illustration below shows the two systems.

Note that the flow through the full-flow system (and the filter) istypically 50 - 100 times greater than the flow through the by-passsystem (and the separator).

FULL-FLOW LUBE OIL SYSTEM BYPASS LUBE OIL SYSTEM

A1 = MOATTI FILTER B1 = CENTRIFUGAL SEPARATORA2 = COOLER B2 = HEATERA3 = MAIN LUBE OIL PUMP B3 = PUMPC = DIESEL ENGINED = LUBE OIL SUMP

3XX-003

Engine lube oil systems

Page 18: Manual

FUNCTION DESCRIPTION

10 514-IB1-07 fd04E45.fm

2.4 DESIGN FEATURES

The Moatti automatic lube oil filter is not a conventional type ofautomatic filter. Conventional filters generally work on the principle thatthe backflushing is initiated when the pressure drop across the filterreaches a pre-set value. The Moatti filter is unique as it works on aprinciple of continuous backflushing. Generally 3 to 5% of the filteredoil is always backflushing one column of the filter elements and drivingof the hydraulic motor.

The main features and advantages of the unique Moatti automatic lubeoil filter are as follows:

• Continuous backflushing

• Disc-type filter elements

• Filtered oil drives the continuous backflushing

• No disposable filter elements

• Constant pressure drop over the filter

• Compact and lightweight design.

2.4.1 Continuous backflushing

The Moatti automatic filter is continuously backflushed, column bycolumn. The backflushing is performed with filtered oil and the entirefilter surface is cleaned once every 1 to 3 minutes. This preventsretained solids from sticking to the filter surface, ensuring a low andconstant pressure drop. Therefore, the need for manual cleaning of thefilter elements is reduced to a minimum. This generally allows for morethan 12 000 operating hours between manual cleaning and inspectionof the filter.

2.4.2 Disc-type filter elements

The Moatti automatic filter is fitted with robust disc-type filterelements.This design feature, together with the low and constantpressure drop (from the continuous backflushing), eliminate the risk ofcracked filter elements.

2.4.3 Filtered oil drives the continuous backflushing

Filtered oil is used for backflushing of the filter elements. Filtered oil isalso used to drive of the hydraulic motor which, in turn, drives thedistributor, so controlling the backflushing. As a result, electricity andcompressed air are not required for the operation.

Page 19: Manual

FUNCTION DESCRIPTION

514-IB1-07 fd04E45.fm 11

2.4.4 No disposable filter elements

The Moatti automatic filter contains no disposable elements. Thebackflushed solids are concentrated in the secondary filtrationchamber (diversion chamber) and are discharged by periodic draining.

2.4.5 Constant pressure drop over the filter

As the continuous backflushing process gives a constant pressuredrop it is possible to get an immediate indication from the pressuredrop indicator when something is wrong in the lube oil system.

2.4.6 Compact and lightweight design

The design gives a simple compact, lightweight and reliable systemwhich is easy to install. It also provides increased possibilities for up-grading of existing installations

Page 20: Manual

FUNCTION DESCRIPTION

12 514-IB1-07 FD05E45.FM

Page 21: Manual

FUNCTION DESCRIPTION

514-IB1-07 FD05E45.FM 13

2.5 PRINCIPLES OF OPERATION

2.5.1 Overview

The main principle of operation for the Moatti automatic lube oil filter isas follows:

• The oil to be filtered is pumped from the lube oil sump through thefilter and to the engine.

• When the oil reaches the filter it first passes through a strainerlocated in the inlet body. This should remove any large foreignmatter like pieces of rag which may be left in the system aftermaintenance.

• Once past the strainer the oil then passes through the full-flowfilter elements (where the solids are trapped) and to the engine. Apart of the filtered oil (3 to 5 % of the capacity of the filter) is usedto backflush part of the full-flow filter elements and for drive of thehydraulic motor.

• The backflushed oil with solids from the full-flow chamber is led tothe diversion chamber where it is filtered again, before it is ledback to the lube oil sump.

• The filter elements in the diversion chamber are backflushed (withfiltered oil) in the same manner as in the full-flow chamber.

• The solids concentrated in the diversion chamber are dischargedfrom the system by periodic draining.

The whole filtering cycle can be considered as two phases:

Phase I - filtering in both chambers- backflushing in the full-flow chamber

Phase II - filtering in both chambers - backflushing in the diversion chamber

Page 22: Manual

FUNCTION DESCRIPTION

14 514-IB1-07 FD05E45.FM

P

H

C

G

E

D

J

S

A

F

1GB-008Phase I

C

E

B

Page 23: Manual

FUNCTION DESCRIPTION

514-IB1-07 FD05E45.FM 15

2.5.2 Phase I

Filtering in the full-flow chamber

1. Unfiltered oil enters the filter at (A) and flows through the strainer(S) into the chamber (B) - the space between the distributor (C)and the inner perimeter of the sleeve (J) on which the full-flowfilter elements (D) are mounted.

2. The oil is distributed from this space through the full-flow filterelements (D) in eleven of the twelve filtering columns (the twelfthcolumn is being backflushed). The solids are trapped on the innerside of the elements in the eleven filtering columns.

3. The filtered oil flows into the full-flow chamber (E) and is fedthrough the filter outlet (F) to the engine.

4. A few hundred litres per hour of the filtered oil are routed from thefull-flow chamber (E) through the feed pipe (G) to the hydraulicmotor (H) to drive the distributor (C).

Backflushing in the full-flow chamber

5. While the full-flow takes place in eleven columns, solids are beingremoved from the elements in the twelfth column by backflushing(from outside to inside of the column) using part of the filtered oilfrom the full-flow chamber (E).

6. The backflushed oil and removed solids flow through passage (K)in the distributor (C) to the diversion chamber (L).

1FU-0053FU-002

3FU-003

3FU-004

Page 24: Manual

FUNCTION DESCRIPTION

16 514-IB1-07 FD05E45.FM

Filtering in the diversion chamber

7. The backflushed oil with solids that enter the diversion chamber(L) passes through ten of the diversion filtering columns (fromoutside to inside). The solids are trapped on the outside of thediversion filter elements (M).

8. The filtered backflushed oil flows through the return passage (N)in the distributor and is recirculated to the lube oil sump from thebackflushed oil outlet (P).

9. No backflushing is performed in the diversion chamber during thisphase of the operation.

3FU-005

3FU-006

L

N

M

P

M

A

F

1GB-018Phase I

LN

Page 25: Manual

FUNCTION DESCRIPTION

514-IB1-07 FD05E45.FM 17

2.5.3 Phase II

The second phase of the filtering operation occurs when the hydraulicmotor has rotated the distributor 1/24th of a revolution .

Filtering in the full-flow chamber

1. Because of the new position of the distributor, filtering is nowcarried out in ten of the twelve filtering columns.

2. No backflushing is carried out in the full-flow chamber during thisphase.

3FU-007

E

K

C

F

1GB-009

P

N

M

L

R

E

V

E

F

A

Phase II

Page 26: Manual

FUNCTION DESCRIPTION

18 514-IB1-07 FD05E45.FM

Backflushing in the diversion chamber

3. Part of the filtered oil in the full-flow chamber (E) flows through thedistributor passage (R) and through one column of the diversionfilter element (M), from inside to outside, removing the trappedsolids from the outer side of the elements.

4. The heavy particles settle to the bottom of the diversion chamber(L) and are discharged periodically through the drain valve (V).

Filtering in the diversion chamber

5. The backflushed oil, without the settled solids, now passesthrough the other eleven columns, from outside to inside, of thediversion filter elements. The solids are trapped on the outer sideof the elements.

6. The filtered oil flows through the return passage (N) in thedistributor and is recirculated to the lube oil sump from thebackflushed oil outlet (P).

Removal of trapped solids

7. The solids trapped in the diversion chamber (settled solids andsolids from the elements) are discharged periodically through thevalve (V).

Operation of the hydraulic motor

8. The hydraulic motor continues to receive filtered oil from the full-flow chamber (E) and rotates the distributor to Phase I.

L

N

M3FU-008 3FU-009

RR

3FU-005 1FU-006

Page 27: Manual

FUNCTION DESCRIPTION

514-IB1-07 fd06E45.fm 19

2.6 PRESSURE DROP INDICATOR

The inlet pressure P1 is taken before the strainer (15) in the inlet body(2) and the outlet pressure P2 is taken on the outlet body (3). Bothmonitoring points are fitted with isolator cocks and pipework toconnect them to the pressure drop indicator (44).

The pressure drop indicator shows the pressure drop ∆P (P1 - P2)across the full-flow elements. Due to the continuous backflushing, ∆Pis constant during operation. It may vary from 0.2 to 0.5 bar dependingon the installation and filter size.

If for any reason the filter starts to clog, the pressure drop willincrease. To prevent the filter becoming completely clogged thepressure drop indicator is equipped with a preset alarm value (∆P-alarm). This value generally ranges from 0.8 to 1.0 bar and is set atthe factory.

If the pressure drop reaches the preset value, an electrical contact isswitched giving possibility for a signal to the control system of theengine.

CAUTION:

The pressure drop indicator must be connectedto the engine control system for the ∆P-alarm tosafeguard the engine. On activation of a ∆P-alarm, the trouble shooting activities must bestarted immediately, see chapter 4.

!

P1 P21XX-001

Pressure drop indicator configuration

Page 28: Manual

20

Page 29: Manual

OPERATION

514-IB1-07 op01e45.fm 21

3.1 PRE-START CHECKS

The operation of the Moatti automatic lube oil filter is simple and theoperator has only to make checks before initial start-up, at initial start-up and during operation.

3.1.1 Before initial start-up

CAUTION:

The lube oil system must be cleaned fromcontaminants from the installation work beforethe first operation of the automatic filter. This“flushing” must NOT be made through theautomatic filter as it can damage the filterscreen and clog the filter, see chapter 6.

CAUTION:

Ensure that the pressure drop indicator isconnected to the control system of the engine.

3.1.2 Immediately before the initial start-up

!

!

The following checks must be made.

1. Check that the following valves and cocks areopen:

• Inlet valve V1 to the filter

• Outlet valve V2 from the filter

• Outlet valve V3 in the return to sump(backflushing) line (if fitted).

• Isolator cocks (A) and (B) on thepressure drop indicator pipes, located onthe inlet (2) and outlet (3) bodyrespectivelly.

2. Check that the drain cock (46) on thediversion head (1) is closed.

1GB-010

V3

V2

V1

A

3

B

46

1

Valve and cock locations

2

Page 30: Manual

OPERATION

22 514-IB1-07 op02e45.fm

3.2 INITIAL START-UP

CAUTION:

Ensure that the other items of equipment in theengine lube oil system are fully functional andoperational.

The following describes the checking procedures for the initial start-up.

1. Ensure that lube oil is flowing through the filter at the requiredcapacity.

2. Check the function of the hydraulic motor. Make a note of thenumber of minutes it takes for the operating indicator (53) to doone revolution.

The following times are given as a guide for a normal operatingcondition .

• Engine at standstill (pre-lubrication): 10 minutes maximum• Working engine: 5 minutes maximum

NOTE !

If the operating indicator does not rotate or the time forone revolution is more than the respective 10 or 5minutes, see chapter 4 "Trouble Shooting".

3. Check the pressure drop on the pressure drop indicator and readoff the value. Under normal operating conditions the value shouldnot exceed 0.4 - 0.5 bar. If the value is higher see chapter 4.

4. Check for any external oil leaks. If there is an oil leakage, tightenthe bolts or change the gaskets as necessary, see also chapter 4.

!

53

1HM-005

Verifying hydraulic motor operation

1XX-002

Checking pressure drop indicator

Page 31: Manual

OPERATION

514-IB1-07 op03e45.fm 23

3.3 NORMAL OPERATION

When correctly installed and initially started-up the Moatti automaticlube oil filter requires very little attention. However, to ensurecontinued reliable operation, the filter must be checked at regularintervals.

3.3.1 Determination of reference values

Approximately 100 operating hours after the initial start- up or majormaintenance procedure, (see chapter 5), reference values for thepressure drop and rotation of the operating indicator must be noted asfollows:

1. Note the pressure drop on the pressure drop indicator and markthis value "∆P-ref" on the indicator.

2. Note the number of minutes for one revolution of the operatingindicator.

3.3.2 Daily checks

Every day the pressure drop and operating indicator must be checked,visually for:

1. The pressure drop does not exceed 0.2 bar higher than thereference value determined in 3.3.1 (1).

2. The operating indicator rotates in a stepwise manner.

3. The number of minutes for one revolution is not more than 1minute above the reference value determined in 3.3.1 (2).

If the pressure drop and operating indicator values are higher thanstated see chapter 4, "Trouble Shooting".

A

1HM-006

A =∆P-ref1XX-003

Pressure drop reference value Timing operating indicator

Page 32: Manual

OPERATION

24 514-IB1-07 op03e45.fm

3.3.3 150-200 operating hours checks

The diversion chamber must be drained after every 150-200 operatinghours. The procedure to do this is as follows:

1. Unlock the drain cock (46) by loosening the lock screw and nut.

WARNlNG:

Open the drain cock slowly to prevent hot oilfrom splashing in the funnel.

2. Open the cock by 1/4 of a turn (cock handle in line with cock) andkeep it open for approximately 15 seconds. The drained lube oilquantity will be approximately 15 litres and will drain into a sludgetank.

3. Close the cock and lock it, (tighten lock screw and nut).

3.3.4 12000 operating hours checks

Cleaning and inspection of the automatic filter must be carried out inaccordance with the maintenance procedures in chapter 5 after every12000 operating hours.

3.3.5 Alarm checks

If a ∆P-alarm occurs, see chapter 4.

!

46

1GX-003A1GX-002A

Open drain cock Closed drain cock

Page 33: Manual

OPERATION

514-IB1-07 op03e45.fm 25

3.3.6 Summary

The following table summarises the checks required during operation.

Operational Checks Afterthefirst100h

Eachday

Each150-200h

Each12000h

Ref

1Determine “∆P-ref” value for pressure drop

X 3.3.1

2Determine reference value for revolution of operating indicator

X 3.3.1

3 Check pressure drop X 3.3.2

4 Check revolution of operating indicator X 3.3.2

5 Drain diversion chamber X 3.3.3

6 Clean and inspect filter X 3.3.4

1FU-007

6

1GX-004

1GB-011

3

1

5

2

4

Page 34: Manual

OPERATION

26 514-IB1-07 op04e45.fm

3.4 SHUTDOWN PROCEDURES

There are no special procedures to carry out whenthe filter is shut down. Its operation is entirelydependent on the lube oil pump. When the lube oilpump is switched off or stops the valves on the filtermay be left open.

CAUTION:

Always check that the valvesare open before re-starting assomebody may have closedthem.

3.5 EMERGENCY OPERATION

If the hydraulic motor is not working properly, anemergency operation can be used to manuallybackflush the filter. This procedure should only beused when the following have been checked :

1. Valve (V3) in the return to sump line (if fitted)has not been closed by mistake.

2. Gaskets for the hydraulic motor are not available(See chapter 7)

3. A replacement hydraulic motor is not available.

The emergency backflushing procedure for the filtercan be performed by turning the operating indicator,using a spanner, from time to time, (based uponexperience),until repair/replacement can be made.

CAUTION

If it is not possible to turn theoperating indicator by handduring operation, do not use apipe on the end of theoperating indicator. Failure toobserve this may result indamage to the equipment.

!

Emergency backflushing check

1GB-010

V3

Emergency backflushing procedure1HM-007

!

Page 35: Manual

TROUBLE SHOOTING

514-IB1-07 tt01e45.fm 27

4.1 GENERAL

This chapter deals with the most common problemswhen the filter does not work correctly or when the∆P- alarm occurs. It will give the possible reasons forthe problems and actions to solve them.

The chapter is divided into the following main parts:

• Problems at initial start-up before ∆P-alarmoccurs, see section 4.2.

• External leakage, see section 4.3.

• Abnormal values on daily checks but no ∆P-alarm, see section 4.4.

• Problems with the ∆P-alarm activated, seesection 4.5.

Page 36: Manual

TROUBLE SHOOTING

28 514-IB1-07 tt02e45.fm

4.2 PROBLEMS AT INITIAL START-UP BEFORE A ∆P-ALARM OCCURS

4.2.1 No revolution of the operating indicator(Item 53)

CAUSE ACTION

1. Valves V1, V2 and/or V3 are closed. Open the valves slowly and completely (V2 before V1). Pay special attention to valve V3 in the “return to sump” line because its location may not be near the filter.

2. Lube oil temperature too low. Wait and see because the temperature will probably increase. If it does not, check the lube oil cooling system.

3. Lube oil pressure too low. Probably the engine is by-passed or only a small pre-lube oil pump is in operation.If so, connect the engine and main pump.

4. The hydraulic motor is not working properly (i) Manually turn the operating indicator (53).

(ii) Inspect the hydraulic motor, see chapter 5

If necessary :

(iii) Replace the hydraulic motor.

5. The “return to sump” line is too long and narrow.

Modify the installation. The return line should be of equal or greater diameter than the outlet and should be a short pipe with a mini-mum number of bends and no restrictions.

V3

1GB-010

V2

V1

53

Valve and cock locations

Page 37: Manual

TROUBLE SHOOTING

514-IB1-07 tt02e45.fm 29

4.2.2 Slow revolution of the operating indicator.(Item 53)

Slow revolution means:

• more than 10 minutes for one revolution with an engine at standstill.

• more than 5 minutes for one revolution with a working engine.

CAUSE ACTION

1. Valves V1, V2 and/or V3 are partly closed. Open the valves slowly and completely (V2 before V1). Pay special attention to valve V3 in the “return to sump” line because its location may not be near the filter.

2. Lube oil temperature too low. Wait and see because the temperature will probably increase. If it does not, check the lube oil cooling system.

3. Lube oil pressure too low. Probably the engine is by-passed or only a small pre-lube oil pump is in operation.If so, connect the engine and main pump.

4. The hydraulic motor is not working properly (i) Manually turn the operating indicator (53).

(ii) Inspect the hydraulic motor, see chapter 5

5. The “return to sump” line is too long and narrow.

Modify the installation. The return line should be of equal or greater diameter than the outlet and should be a short pipe with a mini-mum number of bends and no restrictions.

V3

1GB-010

V2

V1

53

Valve and cock locations

Page 38: Manual

TROUBLE SHOOTING

30 514-IB1-07 tt02e45.fm

4.2.3 Pressure drop value above 0.4-0.5 bar

CAUSE ACTION

1. Filtration temperature too low. Wait and see because the temperature will probably increase. If it does not, check the lube oil cooling system.

2. Partly clogged filter elements from “flushing” through the filter.

“Drain and turn” (see below) then continue the operation but check regularly as the pressure drop could still increase.

3. Partly clogged inlet strainer from “flushing” through the filter.

If “Drain and turn” does not reduce the pressure drop, switch over to the standby filter. Drain the full-flow chamber, see chapter 5, and open the inspection covers (92). Remove any foreign matter, close the inspection covers and continue operation.

4. Too large a lube oil pump or too small a filter selected.

Contact Alfa Laval Moatti.

92

1XB-001

Inlet body inspection

46

1GX-002A

Open drain cock

Drain and turn

a. Open drain cock (46) for about 30 seconds.

53

1HM-007

Manually turn operating indicator

b. At the same time manually turn theoperating indicator (53) two revolutionswithin 30 seconds. Use a spanner to turn it.Do not use a pipe on the end of theoperating indicator.

Page 39: Manual

TROUBLE SHOOTING

514-IB1-07 tt03e45.fm 31

4.3 EXTERNAL LEAKAGE

4.3.1 Leakage on top of the filter

4.3.2 Leakage around the filter housing

CAUSE ACTION

1. Defective O-ring. Replace the O-ring (58), see chapter 5.

2. Defective O-rings Replace the O-rings(39, 40) Filter housing items(56, 57) Hydraulic motor items

CAUSE ACTION

1. Bolts holding the inlet and outlet filter body and diversion head together are loose

Tighten the bolts (5, 6). If it still leaks replace the O-rings (41).

2. Screws holding the inspection covers are loose

Tighten the screws (93). If it still leaks replace the O-ring (94).

3. Drain plugs in the inlet and outlet body and diversion head are loose

Tighten the plugs (10, 12). If it still leaks replace the copper gaskets (10, 12).

4. Bolts holding the various pipes are loose Tighten the bolts (51, 57). If it still leaks replace the O-rings as necessary (50, 56).

39/56

1GX-005

40/57

Leakage on top of the hydraulic motor

41

1GB-020

Leakage around filter housing

93

10

94

12

50

51

50

6

56

57

Page 40: Manual

TROUBLE SHOOTING

32 514-IB1-07 tt04e45.fm

4.4 ABNORMAL VALUES ON DAILY CHECKS BUT NO ∆P-ALARM

4.4.1 Pressure drop value is more than 0.2 bar higher than the reference value from section 3.3.1.

CAUSE ACTION

1. The concentration of contaminants in the oil feed is too high causing partly clogged filter elements and/or inlet stainer. This could be due to :

(i) Rough weather stirs up the contami-nants from the bottom of the sump (for ships only)

(ii) The centrifugal separator is out of operation

(iii) Engine problems (like piston seizure) occur suddenly

(iv) A large amount of new oil has been added to the system, which has “taken up” contaminants from the sump walls.

Drain the diversion chamber more frequently. Carry out the “drain and turn” action from time to time, see below.

Ask the operator to ensure that the centrifugal separator is put into operation and to check the condition of the engine.

2. There is a normal concentration of conta-minants in the oil feed. However, the times between draining the diversion chamber may be too long causing partly clogged filter elements.

Drain the diversion chamber more frequently.

46

1GX-002A

Open drain cock

Drain and turn

a. Open drain cock (46) for about 30 seconds.

53

1HM-007

Manually turn operating indicator

b. At the same time manually turn theoperating indicator (53) two revolutionswithin 30 seconds. Use a spanner to turn it.Do not use a pipe on the end of theoperating indicator.

Page 41: Manual

TROUBLE SHOOTING

514-IB1-07 tt04e45.fm 33

4.4.2 Revolution time for the operating indicator is more than 1 minute above the reference value from section 3.3.1

CAUSE ACTION

The gaskets in the hydraulic motor are beginning to wear.

Be prepared to overhaul the hydraulic motor soon.

Page 42: Manual

TROUBLE SHOOTING

34 514-IB1-07 tt05e45.fm

4.5 PROBLEMS WITH THE ∆P-ALARM ACTIVATED

If the ∆P-alarm occurs, first carry out activities 1 and2 below. Then go to activity 3 to select the correct“Cause and Action” chart in sections 4.5.1 to 4.5.5.

1. "Drain and turn"

• Open the drain cock (46) for about 30 seconds.

• At the same time manually turn the operatingindicator (53), two revolutions in 30 seconds.Use a spanner to turn it. Do not use a pipe onthe end of the operating indicator.

2. Read the ∆P value on the pressure dropindicator and note it down.

3. From the table below find which section to go to

ALARM SITUATION CAUSE AND ACTION

Alarm during initial start-up see section 4.5.1

Alarm within 50 hours of initial start-up see section 4.5.2

Alarm during normal start-up see section 4.5.3

Alarm during normal operation see section 4.5.4

Alarm after major engine overhaul see section 4.5.5

46

1GX-002A

Open drain cock

53

1HM-007

Manually turn operating indicator

1XX-002

Checking pressure drop indicator

Page 43: Manual

TROUBLE SHOOTING

514-IB1-07 tt05e45.fm 35

4.5.1 Alarm during initial start-up

a) "Drain and turn" action reduces ∆P to below alarm setting.

b) “Drain and turn" action does not reduce ∆P to below alarm setting.

Note: Probable reason for clogging of the filter elements and/or inlet strainer is that the lube oilsystem before the initial start-up has been flushed through the filter.

CAUSE ACTION

1. Partly clogged filter elements. Probably due to lube oil system being flushed through the filter before the initial start-up.

Continue the operation of the filter but check every few minutes and repeat “drain and turn” action if necessary.

CAUSE ACTION

1. Filtration temperature too low Wait and see because the temperature will probably increase. If it does not, check the lube oil cooling system.

2. Clogged inlet strainer Drain the full-flow chamber, see chapter 5, and open the inspection covers (92).

• If the strainer is clogged by foreign matter, remove it, close the inspection covers and continue the operation.

• If the strainer is clogged by foreign matter and it cannot be removed, close the inspection covers and open the filter and clean the strainer, see chapter 5.

• If the strainer is not clogged continue with item 3 below.

3. Clogged filter element Open the filter and clean the elements, see chapter 5.

4. Too large a lube oil pump or too small a filter selected.

Contact Alfa Laval Moatti.

1)

1)

1)

Page 44: Manual

TROUBLE SHOOTING

36 514-IB1-07 tt05e45.fm

4.5.2 Alarm within 50 hours after initial start-up

a) "Drain and turn" action reduces ∆P to below alarm setting.

b) “Drain and turn" action does not reduce ∆P to below alarm setting.

CAUSE ACTION

1. Partly clogged filter elements. Continue the operation of the filter but be prepared for the alarm to return, see below.

CAUSE ACTION

1. If the operating indicator takes more than 3-5 minutes to complete one revolution, then the backflushing efficiency is reduced causing clogged filter elements. The reason for the alarm could be :

(i) A valve (V3) in the “return to sump” line has been partially closed by mistake. If the valve has been closed there will not be any revolution.

(ii) The “return to sump” line is too long and narrow.

Open the filter and clean the elements, see chapter 5.

Open the valve, (V3).

Modify the installation. The return line should be of equal or greater diameter than the outlet and should be a short pipe with a minimum number of bends and no restrictions.

2. If the revolution time is shorter than that stated in item (b) 1, reason for the alarm could be :

(i) The centrifugal separator is incorrectly adjusted or too small.

(ii) The filter is too small.

Open the filter and clean the elements, see chapter 5.

Contact Alfa Laval Moatti.

Contact Alfa Laval Moatti.

Page 45: Manual

TROUBLE SHOOTING

514-IB1-07 tt05e45.fm 37

4.5.3 Alarm during normal start-up

"Drain and turn" action does not reduce ∆P to below alarm setting

CAUSE ACTION

1. Filtration temperature too low Wait and see because the temperature will probably increase. If it does not, check the lube oil cooling system.

Page 46: Manual

TROUBLE SHOOTING

38 514-IB1-07 tt05e45.fm

4.5.4 Alarm during normal operation

a) "Drain and turn" action reduces ∆P to below alarm setting.

CAUSE ACTION

1. The concentration of contaminants in the oil feed is too high causing partly clogged filter elements.This could be due to :

(i) Rough weather stirs up the conta-minants from the bottom of the sump (for ships only).

(ii) The centrifugal separator is out of operation.

(iii) Engine problems (like piston seizure) occur suddenly.

(iv) A large amount of new oil has been added to the system, which has “taken up” contaminants from the sump walls.

Shorten the time between draining and continue operation but check regularly. Carry out the “drain and turn” action from time to time. Ask the operator to ensure that the centrifugal separator is put into operation if possible and to check the condition of engine.

2. There is a normal concentration of contaminants in the oil feed. However, the times between draining of the diversion chamber may be too long causing partly clogged filter elements.

Drain the diversion chamber more frequently.

3. It seems that the hydraulic motor is not working properly. The criteria for “not working properly” is that the time for one revolution of the operating indicator is more than 3-5 minutes.

Check that a valve (V3) in the “return to sump” line has not been closed by mistake. If the valve was closed, open it. The hydraulic motor should then work normally. However, if it still does not work, be prepared to overhaul the hydraulic motor soon, see chapter 5.

Page 47: Manual

TROUBLE SHOOTING

514-IB1-07 tt05e45.fm 39

b) “Drain and turn" action does not reduce ∆P to below alarm setting.

CAUSE ACTION

1. The concentration of contaminants in the oil feed is too high causing clogged filter elements and/or inlet strainer.This could be due to :

(i) Rough weather stirs up the conta-minants from the bottom of the sump (for ships only).

(ii) The centrifugal separator is out of operation.

(iii) Engine problems (like piston seizure) occur suddenly.

(iv) A large amount of new oil has been added to the system, which has “taken up” contaminants from the sump walls.

Open the filter and clean the elements and/or inlet strainer, see chapter 5.

When operating the filter again, drain the diversion chamber more frequently and carry out the “drain and turn” action from time to time.

Ask the operator to ensure that the centrifugal separator is put into operation and to check the condition of engine.

2. There is normal concentration, of contaminants in the oil feed. However, the times between draining of the diversion chamber may be too long causing clogged filter elements.

Open the filter and clean the elements, see chapter 5. When operating the filter again, drain the diversion chamber more frequently and carry out the “drain and turn” action from time to time.

3. It seems that the hydraulic motor is not working properly. The criteria for “not working properly” is that the time for one revolution of the operating indicator is more than 3-5 minutes.

Open the filter and clean the elements. Check that a valve (V3) in the “return to sump” line has not been closed by mistake. If the valve was closed, open it. The hydraulic motor should then work normally. However, if it still does not work, be prepared to overhaul the hydraulic motor soon, see chapter 5.

Page 48: Manual

TROUBLE SHOOTING

40 514-IB1-07 tt05e45.fm

4.5.5 Alarm after major engine overhaul

a) "Drain and turn" action reduces ∆P to below alarm setting.

b) “Drain and turn” action does not reduce ∆P to below alarm setting

CAUSE ACTION

1. Impurities have been brought into the lube oil system during the overhaul causing partly clogged filter elements.

Continue the operation of the filter but check every few minutes and repeat “drain and turn” action if necessary.

CAUSE ACTION

1. Filtration temperature too low Wait and see because the temperature will probably increase. If it does not, check the lube oil cooling system.

2. Impurities have been brought into the lube oil system during the overhaul causing a clogged inlet strainer

Drain the full-flow chamber, see chapter 5, and open the inspection covers (92)

• It the strainer is clogged by foreign matter, remove it, close the inspection covers and continue the operation.

• If the strainer is clogged by foreign matter and it cannot be removed, close the inspection covers and open the filter and clean the strainer, see chapter 5.

3. Impurities have been brought into the lube oil system during the overhaul causing clogged filter elements.

Open the filter and clean the elements, see chapter 5.

Page 49: Manual

MAINTENANCE

514-IB1-07 ma01e45.fm 41

5.1 GENERAL

The design and the operating cycle of the filterminimize the need for maintenance. However inorder to ensure reliable operation of the filter it hasto be

cleaned and inspected every 12000 operating hours (1,5 - 2 years).

Pressure drop alarms or breakdowns (see chapter4) may shorten this period. This chapter is dividedinto the following sections :

• Overhaul of the filter (5.2)

• Overhaul of the hydraulic motor (5.3)

• After maintenance checks (5.4)

Sections 5.2 and 5.3 are structured as follows :

• Tools and spares required

• Disassembly procedures

• Cleaning/inspection tasks

• Assembly procedures

Section 5.4 covers the checks that must be madebefore the filter is put back into service. Requirednew parts can be found in chapter 7, which containsan illustrated parts list for the filter and hydraulicmotor. A sample ordering form is included in theappendices for ordering spare parts.

Page 50: Manual

MAINTENANCE

42 514-IB1-07 ma02e45.fm

5.2 OVERHAUL OF THE FILTER

The overhaul of the filter requires a completedisassembly followed by cleaning and inspection ofthe components. Damaged or worn componentsshould be replaced, see chapter 7. The completemaintenance schedule is as follows :

• Tools and spares required (see 5.2.1)

• Disassembly of the diversion head (see 5.2.2)

• Disassembly of the filtering unit (see 5.2.3)

• Cleaning and inspection of the filtering unit (see 5.2.4)

• Cleaning and inspection of the inlet strainer (see 5.2.5)

• Assembly of the filtering unit (see 5.2.6)

• Assembly of the diversion head (see 5.2.7)

5.2.1 Tools and spares required

The following tools and spare parts are required forthe overhaul of the filtering unit :

• Set of gaskets for the filter housing (See 7.3.2)

• Two M10 screws

• Two M12 eye bolts

• Set of metric spanners

• Strap rated for 400kg load

• Lifting equipment rated for a 400kg load

• Wooden base/bench

• Mallet

• Pliers

• Grease (for lubrication of gaskets and O-rings)

• Cleaning tray

• Cleaning solvent (not ACID)

• Air/water gun

• Tap water (preferably hot)

• Compressed air

• Protective clothing

• Soft brush

• Bucket of diesel oil

• Emery cloth (fine grade)

Page 51: Manual

MAINTENANCE

514-IB1-07 ma02e45.fm 43

5.2.2 Disassembly of the diversion head

WARNING:

Ensure that the lube oil systemis shut down before starting thedisassembly or that the by-passfilter is in service.

1. Close the filter inlet (V1) and outlet (V2) valvesand valve (V3) (if fitted)

2. Release the nut (C) and the lock screw (D) onthe drain cock (46) in the diversion head (1).Open the drain cock and let the diversionchamber drain. The figure shows the drain cockopen.

!

1GB-010

V3

V2

V1

A

3

B

46

1

2

1GX-013

1 D

46

C

Page 52: Manual

MAINTENANCE

44 514-IB1-07 ma02e45.fm

3. Loosen the nut on the return pipe (91) of thehydraulic motor. The diversion chamber will nowempty through the drain cock.

4. Place a suitable container by the drain plug (12)in the inlet body (2). Unscrew and remove thedrain plug with its copper gasket from the inletbody and let the oil remaining in the filter drain.

5. Turn the operating indicator (53) on thehydraulic motor a few revolutions. This helps toempty the filter completely.

6. Close the drain cock (46) to the position shownand lock the drain cock with the lock screw andnut.

1GX-007

91

1XX-004

1HM-005

53

1GX-003A

46

Page 53: Manual

MAINTENANCE

514-IB1-07 ma02e45.fm 45

7. Screw the drain plug (12) with its copper gasketback into the inlet body (2).

8. Close the pressure drop indicator isolator cocks(A) and (B), located on the filter inlet (2) andoutlet (3) body.

9. Disconnect the contactor (E) and pipes (A) and(B) to the pressure drop indicator.

1XX-004

1XB-003

B

3

A

2

1XX-006

E

A B

Page 54: Manual

MAINTENANCE

46 514-IB1-07 ma02e45.fm

10. Disconnect and remove the feed pipe (90) of thehydraulic motor. Undo the four bolts (57) on thereturn to sump pipe and disconnect.

11. Disconnect the return pipe of the hydraulicmotor :

• Loosen nut (A) to release the pipe, (if notalready loose, see step 3).

• Completely unscrew and remove the coupling(B). The return pipe (91) will then be removedwith the hydraulic motor.

12. Remove the four nuts (8) for the hydraulic motor.

1GX-007

57

90

1XX-008

1XX-009

1HM-008

Page 55: Manual

MAINTENANCE

514-IB1-07 ma02e45.fm 47

13. Insert two M10 screws as shown and screwthem in alternately half a turn. This will thenraise the hydraulic motor out of the diversionhead. It can then be lifted clear and removedwith the return pipe.

14. Unscrew and remove the twelve bolts (6) for thediversion head.

CAUTION:

Do not lift up the diversion headwith the strap around the returnto sump flange and thepressure drop indicator.

1HM-009

1HM-010

91

1GX-009

1

6

1GX-010

!

Page 56: Manual

MAINTENANCE

48 514-IB1-07 ma02e45.fm

15. Fit a strap to the lifting lugs on either side of thediversion head. Lift it up using a block and tackleor other suitable lifting equipment. Place thediversion head on a wooden base to protect theflange faces.

1GX-004

1GX-011

Page 57: Manual

MAINTENANCE

514-IB1-07 ma02e45.fm 49

5.2.3 Disassembly of the filtering unit

CAUTION:

Do not lift the filtering unit usingthe driving pin (21) of thedistributor.

1. Screw two M12 eye bolts into two oppositeholes in the diversion cover (24). Lift out thefiltering unit with a strap using the same liftingequipment as in 5.2.2 step 15. Let anyremaining oil drain away and place the filteringunit horizontally on a wooden base.

1FU-008

!

1FU-007

1FU-009

Page 58: Manual

MAINTENANCE

50 514-IB1-07 ma02e45.fm

2. Turn the filtering unit upside down on thewooden base. Unscrew and remove the fourscrews (33) and washers (34) from the full-flowcover (28). Remove the cover.

3. Remove the full-flow filter elements (30) one byone. (Each element consists of two parts).

4. Turn the unit and place two supports (A) underthe four rods (32) for the full-flow elements sothe sleeve (18) will be «free».

1FU-010

28

33-34

1FU-011

30

1FU-012

32 18

A

Page 59: Manual

MAINTENANCE

514-IB1-07 ma02e45.fm 51

5. Unscrew and remove the four screws (33) andwashers (34) from the diversion cover (24).Remove the cover.

6. Remove the diversion filter elements (29). (Eachelement consists of two parts). Remove thediversion companion spacer (25).

7. Lift out the distributor (16) holding the driving pin(21) with one hand and guiding it with the otherhand. Place the distributor carefully on awooden bench.

1FU-013

33-34

24

1FU-014

29

25

1FU-015

21

16

Page 60: Manual

MAINTENANCE

52 514-IB1-07 ma02e45.fm

8. Separate the sleeve (18) from the spacer (26)by pulling it out slowly. Place the sleeve carefullyon a wooden bench.

9. The full-flow companion spacer (27) can beknocked out through the centre hole in thespacer (26). Remove the full-flow companionspacer (27). The springs (38) are kept in placeby screws fitted to the spacer (26). Do notremove the springs.

1FU-016

18

26

1FU-017

26

38

27

26

38

Page 61: Manual

MAINTENANCE

514-IB1-07 ma02e45.fm 53

5.2.4 Cleaning and inspection of the filtering unit

All components except the filter elements

1. Carefully clean all the components (except thefilter elements) with diesel oil using a soft brush.

2. Remove the last solids retained on thecomponents using compressed air.

3. Clean the ball bearing (22) fitted on thedistributor (16) and lubricate it with grease.Make sure it rotates freely. Replace it if it isseized or worn.

4. To remove the ball bearing (22), remove thecirclip (23) and then the ball bearing.

5. Inspect the condition of the driving pin (21). Ifworn or bent, drive it through with a pin punch,and replace it with a new one.

1FU-018

1FU-019

1FU-020

22

16

1FU-021

2123

22

16

Page 62: Manual

MAINTENANCE

54 514-IB1-07 ma02e45.fm

The filter elements only

WARNING:

Follow the manufacturersinstructions carefully whenusing solvents. Wear protectiveclothing and goggles. Use onlyin well ventilated spaces. Keepaway from all naked flames orsparks as the solvent could beflammable. If the solvent comesinto contact with your eyes,rinse thoroughly with cold waterand seek immediate medicalattention.

CAUTION:

D o N OT u s e a c i d - b a s e dcleaning solvents

6. Before cleaning, keep one full-flow and onediversion filter element as «guides» for thereassembly of the filter halves after cleaning.

7. Put the filter element into a cleaning tray filledwith the cleaning solvent. Soak the filterelements in the tray for at least 15 minutes.

8. Remove an element from the cleaning tray andseparate it into its halves.

!

!

3FU-010

3FU-011

Page 63: Manual

MAINTENANCE

514-IB1-07 ma02e45.fm 55

9. Brush the element halves with a soft brush.Then rinse the element halves on both sideswith the air/water gun.Very important : with hot water.

10. Dry the element halves with compressed air.

11. Carefully examine the condition and cleanlinessof the two halves. Replace any damagedelements. Always check the filter screen toensure that it is not cracked. If the elementswere not clean, repeat the cleaning procedure(steps 7 to 11) again. Increase the time theelement halves are in the cleaning tray.

12. Reassemble the element halves and repeatsteps 8 to 11 on the next element from the tray.

13. When all the elements have been satisfactorilycleaned and reassembled according to the«guide» elements, clean the «guide» elements.

5.2.5 Cleaning and inspection of the inlet strainer

1. Remove the strainer (15) from the inlet body (2).The strainer is fitted with a handle (A).

2. Remove any large foreign matter from thestrainer. Clean the strainer with diesel oil using asoft brush.

3. Dry the strainer with compressed air.

4. Inspect the inlet body and remove any debris.

5. Put the strainer back into the inlet body (2) usingthe handle.

3FU-001

3FU-013

3FU-011

1XB-002

15

2

15

A

Page 64: Manual

MAINTENANCE

56 514-IB1-07 ma02e45.fm

5.2.6 Assembly of the filtering unit

1. Place two supports (A) under the four rods (32)of the unit consisting of the spacer (26) and therods (31) and (32).

2. Put the sleeve (18) into the spacer (26). Ensurethat the four locating pins (B) are in the correctposition. Insert a new O-ring (43) on the spacer(26) and lubricate it with grease.

1FU-022

31

26

32

A

1FU-023

18

26

43

B

Page 65: Manual

MAINTENANCE

514-IB1-07 ma02e45.fm 57

3. Lubricate the distributor (16) and insert thedistributor into the sleeve.

4. Assemble the diversion companion spacer (25).Lubricate the sleeve with grease andreassemble the clean diversion filter elements(29) into the rods (31). Take care not to damagethe elements on the rods.

Ensure that the same number of elements isrefitted as was taken out.

1FU-015

16

1FU-024

31

29

25

Page 66: Manual

MAINTENANCE

58 514-IB1-07 ma02e45.fm

5. Secure the diversion cover (24) to the rods (31)using screws (33) and washers (34). Insert anew O-ring (42) in the cover and lubricate it withgrease .

6. Turn the unit and place it on a wooden base.Assemble the full-flow companion spacer (27)with a new O-ring (42). Lubricate the O-ring.

7. Lubricate the sleeve (18) with grease andreassemble the clean full-flow filter elements(30) one by one on to the rods (32). Take carenot to damage the elements on the rods. Ensurethat the same number of elements is refitted aswas taken out.

1FU-025

24

33

34

42

1FU-026

2742

27

1FU-011

30

32

18

Page 67: Manual

MAINTENANCE

514-IB1-07 ma02e45.fm 59

8. Secure the full-flow cover (28) to the rods (32)using screws (33) and washers (34). Insert anew O-ring (42) in the cover and lubricate it withgrease.

9. Turn the filtering unit in correct position. Screwtwo M12 eye bolts in two opposite holes in thediversion cover (24). Fit a strap between the eyebolts. Use a block and tackle, or other suitablelifting equipment, above the filtering unit.

10. Lift the filtering unit and lower it carefully into theoutlet body until it rests in the inlet body.

CAUTION:

Do not lift the filtering unit usingthe driving pin (21) of thedistributor.

1FU-027

33

34

42

28

1FU-007

24

1FU-008

!

Page 68: Manual

MAINTENANCE

60 514-IB1-07 ma02e45.fm

5.2.7 Assembly of the diversion head

1. Insert a new O-ring (41) on the outlet body (3)and lubricate it with grease.

2. Fit a strap to the lifting lugs on either side of thediversion head.

CAUTION:

Do not lift the diversion headwith a strap around the returnto sump flange and thepressure drop indicator.

Lift it up using the same lifting equipment thatwas used to put the filtering unit back into thefilter housing.

3. Insert and tighten the twelve bolts (6) for thediversion head.

1GX-004

41

3

1GX-010

!

1GX-009

6

Page 69: Manual

MAINTENANCE

514-IB1-07 ma02e45.fm 61

4. Insert two new O-rings (39) and (40) on thehydraulic motor and lubricate them with grease.Insert the hydraulic motor (with the return pipe(91)) back into the diversion head. Ensure thatthe driver (A) is in the correct positioncorresponding to the driving pin (21) of thedistributor.

5. Insert and tighten the nuts (8) fitted with thewashers (9) for the hydraulic motor.

1HM-011

A

91

40

21

39

1HM-012

8

9

Page 70: Manual

MAINTENANCE

62 514-IB1-07 ma02e45.fm

6. Manually rotate the operating indicator (53) ofthe hydraulic motor to check that the distributorrotates freely.

7. Tighten the return pipe of the hydraulic motor(91) to the diversion head and the hydraulicmotor.

8. Connect the feed pipe (90) of the hydraulicmotor. Fit the O-ring (56) to the sump returnpipe before tightening bolts (57).

1HM-013

53

1XX-010

91

1XX-011

1GX-007

57

90

56

Page 71: Manual

MAINTENANCE

514-IB1-07 ma02e45.fm 63

9. Connect the electrical contactor (E) and pipes(A and B) to the pressure drop indicator.

10. Open the pressure drop indicator isolator cocks(A and B) located on the filter inlet (2) and outlet(3) body.

11. Open the inlet and outlet valves (V1 and V2) tothe filter. Also open the return to sump valve(V3), if fitted.

1XX-012

E

B

A

1XB-004

3 B

A

2

1GB-010

V3

V2

V1

A

3

B

46

1

2

Page 72: Manual

MAINTENANCE

64 514-IB1-07 ma03e45.fm

5.3 OVERHAUL OF THE HYDRAULIC MOTOR

The overhaul of the hydraulic motor requires acomplete disassembly followed by cleaning andinspection of the components. Damaged or worncomponents should be replaced, see chapter 7.

The complete maintenance schedule is as follows :

• Tools and spares required (see 5.3.1)

• Disassembly of the hydraulic motor (see 5.3.2)

• Cleaning and inspection of the components(see 5.3.3)

• Assembly of the hydraulic motor (see 5.3.4)

5.3.1 Tools and spares required.

The following tools and spare parts are required tooverhaul the hydraulic motor :

• Set of «gaskets» for the hydraulic motor (see 7.5.4)

• Two M10 screws

• Set of metric spanners

• Wooden bench

• Mallet

• 2 mm and 3 mm pin punch

• Pliers

• Grease

• Cleaning tray

• Compressed air

• Soft brush

• Bucket of diesel oil

• Emery cloth (fine grade)

Page 73: Manual

MAINTENANCE

514-IB1-07 ma03e45.fm 65

5.3.2 Disassembly of the hydraulic motor

1. Remove the hydraulic motor from the filterfollowing the procedures detailed in section5.2.2 steps 1 to 13. Remove the return pipe (91)of the hydraulic motor and carefully place themotor on a wooden bench. See also chapter 7for the exploded views of the hydraulic motorand its assemblies.

2. Rotate the driver (27) by hand. If it can berotated in only one direction the teeth of theratchet are OK. If it can be rotated in bothdirections see section 5.3.3 step 5.

3. Loosen the locking nut (54) on the operatingindicator (53). Unscrew and remove theoperating indicator.

4. Unscrew and remove the two screws (50), withwashers (51) and (52). Remove the motor cover(49).

1HM-010

91

1HM-014

27

1HM-015

53

54

1HM-016

49

50-51-52

Page 74: Manual

MAINTENANCE

66 514-IB1-07 ma03e45.fm

5. Drive out the locking pin (33) and remove theaxle (28) and driver (27).

6. Unscrew and remove the two screws (47) andwashers (48).

7. Knock the driving ratchet (29) carefully with amallet to separate the parts of the motor.

8. Remove the inlet column (43), outlet column(45) and motor liner (17) from the externalflange assembly (1).

1HM-017

28 27

33

1HM-018

47-48

1HM-019A

29

1HM-020

17145

43

Page 75: Manual

MAINTENANCE

514-IB1-07 ma03e45.fm 67

9. Drive out the pin (14A) from the slide valve (12)and separate the remaining part of the piston/driving shaft assembly from the internal flangeassembly (4).

10. Remove the bearing (26A) and circlip (25A).Extract the piston (20).

11. Remove the circlip (25B) and bearing (26B).

1HM-021

4

14A12

1HM-022

25A

20

26A

1HM-023

26B25B

Page 76: Manual

MAINTENANCE

68 514-IB1-07 ma03e45.fm

12. Remove the axle (32). Separate the drivingratchet (29), driven ratchet (30), spring (31) anddriving shaft (22).

NOTE !

The driving ratchet drives the distributor.The driven ratchet is driven by the piston.

13. Unscrew the two plugs (40) and remove therelays (38), springs (39), O-rings (41), gaskets(42) from the internal (4) and external (1) flangeassemblies.

14. Drive out the pin (14B) and remove the slidevalve (12).

NOTE!

The columns (C1) and (C2) cannot bedismantled.

1HM-024

2232

29

31

30

1HM-025

41

4138394240

1HM-026

12

14B

C1 C2

Page 77: Manual

MAINTENANCE

514-IB1-07 ma03e45.fm 69

5.3.3 Cleaning and inspection of the components

Cleaning

1. Clean all the components with diesel oil, using asoft brush.

2. Remove any remaining solids usingcompressed air.

Inspection

3. Check the condition of the liner (17) surface. itnecessary polish and grind the liner using asmooth emery cloth.

4. Lubricate the ball-bearings (26) with grease.Ensure that they can rotate freely. Replace themif they are seized.

5. If the driver (27) can be rotated in bothdirections (see section 5.3.2 step 2) the teeth ofthe ratchets are worn out. Replace both thedriving (29) and the driven (30) ratchets.

1HM-027

17

3HM-001

26

3HM-002

29

30

Page 78: Manual

MAINTENANCE

70 514-IB1-07 ma03e45.fm

6. Inspect the helical grooves in the driven ratchet(30). If the surface is damaged, polish it using asmooth emery cloth. If this does not repair thedamage, replace the driven ratchet (30).

7. Inspect the driving pins (24) in the piston (20). Ifthe pins are damaged at their inner endsremove them from the piston. Knock out thelocking pins (23) with a pin punch. If both endsot the driving pins are damaged, replace themwith new pins. If only the inner ends aredamaged, turn them around and reassemblethem into the piston, and make sure they rotate.Polish them using a soft emery cloth ifnecessary. Insert the locking pins back into thepiston.

1HM-028

24

24

30

20

24

2324

1HM-029

20

24

2324

1HM-029

Page 79: Manual

MAINTENANCE

514-IB1-07 ma03e45.fm 71

5.3.4 Assembly of the hydraulic motor

1. Fit new O-rings (41) to the relays (38).Assemble the springs (39) to the plugs (40) andfit new gaskets (42). Tighten both of the plugs,the ones in the internal (4) and external (1)flange assemblies.

2. Check that the relays slide under the action oftheir springs (39) when they are pressed fromthe inside of the internal (4) and external (1)flanges. The relays must return to their initialpositions.

3. Assemble the shaft parts with a new spring(31).The parts are :

• driving shaft (22)

• driving ratchet (29)

• driven ratchet (30)

• spring (31)

• axle (32)

1HM-025

41

4138394240

1HM-030

1 4

1HM-024

2232

29

31

30B

A

Page 80: Manual

MAINTENANCE

72 514-IB1-07 ma03e45.fm

4. Fit the bearing (26B) and the circlip (25B) toend B.

5. Fit new O-rings (34), (35), (36) and (37) to thepiston (20). Lubricate the O-rings with grease.

1HM-023

26B25B

B

A

1HM-031

35

36

35

35

20

37

34

Page 81: Manual

MAINTENANCE

514-IB1-07 ma03e45.fm 73

6. Fit the piston (20) over end A of the shaftassembly in step 4 and insert the driving pins(24) into the helical grooves (C) in the drivenratchet (29). Fit the circlip (25A) and bearing(26A).

7. Fit a new O-ring (16) to the internal flangeassembly (4) and lubricate the O-ring withgrease.

1HM-032

20

29

B

A

C 24

25A

26A

1HM-022

B

A

1HM-033

4

16

Page 82: Manual

MAINTENANCE

74 514-IB1-07 ma03e45.fm

8. Fit a new O-ring (15) to the slide valve (12) andlubricate the O-ring with grease. Assemble theslide valve (12) in the column (C2). Insert thepin (14B) in the slide valve (12). Position it sothat it sticks out the same distance on bothsides.

9. Assemble the assembly from step 6 with theinternal flange assembly (4). Ensure that thepiston lug (X) is in line with the relay (38) in theflange .

10. Insert the pin (14A) in the slide valve (12).Position it so that it sticks out the same distanceon both sides.

11. Assemble the liner (17) to the assembly fromstep 10 and the internal flange assembly (4).

1HM-034

12 15 C2

4

C2

14B

1HM-035

38

4XB

1HM-036

14A

B A

12

1HM-037

4

17

Page 83: Manual

MAINTENANCE

514-IB1-07 ma03e45.fm 75

12. Fit new O-rings (56), (57), (58) to the externalflange assembly (1) and lubricate the O-ringswith grease.

13. Assemble the external flange assembly (1) tothe assembly from step 11. Ensure that the lug(X) is in line with the relay (38) in the externalflange assembly (1).

14. Fit new gaskets (44) and (46) to the inlet column(43) and outlet column (45) and insert thecolumns into the respective slots in the externalflange assembly (1).

15. Insert and tighten the two screws (47) fitted withwashers (48).

1HM-038

56 57158

1HM-039

X 417

1

38

1HM-040

45

46

43

44

1HM-041

47-48

Page 84: Manual

MAINTENANCE

76 514-IB1-07 ma03e45.fm

16. Place the driver (27) over the shaft and insertthe axle (28) and locking pin (33).

17. Assemble the cover (49) with screws (50) andwashers (51) and (52).

18. Screw the operating indicator (53) with nut (54)and washer (55) into the end of the drivingratchet (29).

19. Tighten the nut (54) while keeping the operatingindicator in position.

1HM-017

27

3328

1HM-042

50

52

51

49

1HM-043

53

54 55

29

1HM-044

Page 85: Manual

MAINTENANCE

514-IB1-07 ma03e45.fm 77

20. Check that the hydraulic motor has beenassembled correctly.

Supply compressed air at 4-5 bar to the motorinlet and make sure that the operating indicator(53) and the driver (27) rotate in a stepwisesequence.

21. If the rotation is correct, loosely connect thehydraulic motor return pipe (91). The hydraulicmotor can then be inserted in the filter.

If the rotation is incorrect the motor must bedisassembled and then reassembled correctly.

1HM-045

27

27

53

1HM-011

A

91

40

21

39

Page 86: Manual

MAINTENANCE

78 514-IB1-07 ma04e45.fm

5.4 AFTER MAINTENANCE CHECKS

5.4.1 Checks before start-up

1. Check that the following valves are open :

(i) Inlet valve (V1) to the filter

(ii) Outlet valve (V2) from the filter

(iii) Return to sump line (backflushing) valve(V3) if fitted

(iv) Pressure drop indicator isolator cocks (Aand B)

2. Check that the drain cock (46) on the diversionhead is closed.

1GB-010

V3

V2

V1

A

3

B

46

1

2

1GX-003A

46

Page 87: Manual

MAINTENANCE

514-IB1-07 ma04e45.fm 79

5.4.2 Checks at start-up

1. Check the filter for external oil leaks, (seechapter 4 Trouble Shooting for solutions).

2. Check the pressure drop on the pressure dropindicator. It should not be higher than thereference value noted in section 3.3.1.

If the pressure drop is higher the filter elementsmay not have been cleaned properly. Thesolution is:

(i) Clean them again now

(ii) Accept that the next maintenance could bemuch sooner.

Note that during this check the temperature ofthe oil to the filter must be at normal operatinglevel.

3. Check the rotation of the operating indicator(53). One revolution should not take longer thanthe reference value noted in section 3.3.1.

Check that the oil inlet temperature is normaland that the engine is operating at normal load.If one revolution still takes considerably longerthan the reference value, the hydraulic motorhas been assembled incorrectly. See section 5.3about how to check the assembly.

1GB-020

1XX-003

A

1HM-005

53

Page 88: Manual

80

Page 89: Manual

INSTALLATION

514-IB1-07 in01e45.fm 81

6.1 GENERAL

The Moatti automatic lube oil filter should be installed in the lube oilsystem in accordance with good working practices. Pay attention tothe recommendations and only use specified materials.

CAUTION:

Ensure that the equipment is installedaccording to the instructions given in thismanual.

Note: Ensure that the pressure drop indicator isconnected to the control system of the engine.

CAUTION:

Before the first operation through the automaticfilter, ensure that any possible contaminantsfrom the installation work have been removedfrom the lube oil system.

Note: Do not «flush» the lube oil system andpipework through the automatic filter. Seechapter "FLUSHING THE SYSTEM".

!

!

Page 90: Manual

INSTALLATION

82 514-IB1-07 in02e45.fm

6.2 THE FILTER IN THE SYSTEM

6.2.1 Marine propulsion and power station engines

Specification

The filter should be installed in the main lube oil system in accordancewith the diagram below.

Filter location in a main lube oil system

A = Trunk Piston Diesel Engine

B = Lube Oil Sump

C = Duty Lube Oil Pump

D = Stand-by Lube Oil Pump/Pre-Lube Pump

E = Cooler

F = Moatti Automatic Lube Oil Filter

Recommendation

It is recommended that the filter is installed after the lube oil coolerwithin the main lube oil system. This means that sudden pressureincreases from the starting of the stand-by lube oil pump will be"damped" in the cooler eliminating possible filter problems.

1GC-014

Page 91: Manual

INSTALLATION

514-IB1-07 in02e45.fm 83

6.2.2 Marine auxiliary engines

For engines with the following conditions fulfilled

• Pre-lube pump giving a pressure at the engine inlet of min.0,7 bar.

• Pre-lube pump giving a pressure at the engine inlet of max.0,7 bar.

- MDO operation

- HFO operation with max 2 hours in pre-lubrication betweenperiods of at least 15 min. in normal operation.

Filter location in a main lube oil system

A = Trunk Piston Diesel Engine

B = Lube Oil Sump

C = Duty Lube Oil Pump

D = Pre-Lube Pump

E = Cooler

F = Moatti Automatic Lube Oil Filter

1GC-014

Page 92: Manual

INSTALLATION

84 514-IB1-07 in02e45.fm

For the other conditions

• Pre-lube pump giving a pressure at the engine inlet of max. 0,7bar and HFO-operation with more than 2 hours in pre-lubricationbetween periods of at least 15 min. in normal operation.

Filter location in a main lube oil system

A = Trunk Piston Diesel Engine

B = Lube Oil Sump C = Duty Lube Oil Pump D = Pre-Lube Pump E = Cooler

F = Moatti Automatic Lube Oil Filter G = Manual Lube Oil Filter

In this case the Moatti Automatic Lube Oil Filter is by-passed and asmall manual filter is installed in parallel.

1GC-015

G

Page 93: Manual

INSTALLATION

514-IB1-07 in03e45.fm 85

6.3 FILTER LOCATION SPECIFICATIONS

6.3.1 Mounting

Specification

The filter must be installed vertically so that the filtering unit can beremoved easily.

6.3.2 Space requirements

The space required for the filter is given in the table below. Note thatthe minimum height H required for removal of the diversion head andfiltering unit will vary according to the filter size.

If the available height is less than minimum height, the complete filtermust be removed and taken to a place where the minimum height isavailable.

Recommendation

Provide a hook or an eye bolt in the roof for securing a block andtackle or other lifting equipment.

Filter sizeT280D-25/4 to 50/8

HeightH

(mm)

Floor space(mm)

L W

25/4 1900

580 43030/6 2070

40/8 2270

50/8 2440

1FU-007

1GB-013

H

L

W

Filter space requirements

Page 94: Manual

INSTALLATION

86 514-IB1-07 in03e45.fm

6.3.3 Accessible location

Specification

The filter should be installed on the "floor" in such away to ensure that:

(i) the operating indicator of the hydraulic motorcan easily be seen and operated by hand (whenrequired).

(ii) the drain cock (with its elbow) can easily bereached and operated.

(iii) the value on the pressure drop indicator caneasily be observed.

1HM-005Operating indicator

1GX-002A

46

Drain cock

1XX-002Pressure drop indicator

Page 95: Manual

INSTALLATION

514-IB1-07 in03e45.fm 87

CAUTION:

The following types of ins-tallation are not acceptable

!

1GC-017 1GC-018

Under the floor or deck plates On a pedestal

Page 96: Manual

INSTALLATION

88 514-IB1-07 in04e45.fm

6.4 SYSTEM PIPING CONNECTIONS

Specification

Ensure that the pipes to and from the filter match theoil flow direction in the filter.

A =Inlet from the sump

F =Outlet to engine

P =Return to sump (backflushing)

The filter is delivered with the necessary counterflanges, O-rings and bolts.

Specification

• Ensure that the blind flanges (between theflanges and the counter flanges) are removedwhen the pipework has been connected.

• Shut-off valves (V1 and V2) must be installed atthe filter inlet and outlet.

• An elbow (S) should be installed at the back-flushing outlet for easier removal of the filterunit.

• The pipe for the backflushed oil must be directlyconnected to the lube oil sump. This line shouldbe of equal or greater diameter than the outletand should be a short pipe with a minimumnumber of bends and no restrictions.No other connections should be made to thispipe.

• The suction part of the inlet system must not belocated in the bottom of the lube oil sump. Itshould be installed in a "clean area".

• The drain from the diversion chamber should belead to a sludge tank.

• The drain cock should be connected to the drainpipe via a funnel.

1GB-014

S

V2

V1

P

F

A

Pipework connections

1GB-011Diversion head draining

Page 97: Manual

INSTALLATION

514-IB1-07 in05e45.fm 89

6.5 CONNECTION OF THE PRESSURE DROP INDICATOR

CAUTION:

The electrical contactor (E) ofthe pressure drop indicatorMUST be connected to thecontrol system of the engine.Trouble Shooting MUST bestarted immediately a pressuredrop alarm is detected.

6.6 FLUSHING THE SYSTEM

During installation there is a risk that various typesof contaminants may "find their way" into the system.

To prevent operating problems (see chapter"TROUBLE SHOOTING" in the Instruction Book)these contaminants must be flushed out of thesystem before the automatic filter is used to filter anyoil.

This "flushing" procedure must be made through aspecial flushing filter (which is installed temporarilyfor this).

CAUTION:

Never use the automatic filter inthe "flushing" procedure.

!

1XX-001

Pressure drop indicator

E

!

Page 98: Manual

90

Page 99: Manual

SPARE PARTS

514-IB1-07 sp01e45.fm 91

7.1 GENERAL

This chapter gives exploded views of the assemblies to show how thefilter is constructed. Each exploded view has a table of the partsshown in numerical order and information about the different models.

This information can also be used to assist in ordering spare parts onthe enclosed order form.

7.2 ORDERING PROCEDURE

When you order spare parts for the Moatti filter the followinginformation must be given :

Filter modelFilter serial number

(These details can be found on the identification plate located on thefilter.)

Item name and/or numberand/or Article number

(These details can be found in chapter 7, Spare Parts.)

Location of label

CAUTION:

The use of spare parts that have not beensupplied by Alfa Laval official distributors willinvalidate the warranty of the originalequipment. Alfa Laval will take no responsibilityfor the safe operation of the equipment underthese circumstances.

Appendix A is an example of the «Spare Parts Ordering Form». Thisshould be used when ordering any spare parts.

1GX-001D 1GX-014

!

Page 100: Manual

SPARE PARTS

92 514-IB1-07 sp03e45.fm

7.3 FILTER HOUSING

7.3.1 Parts list and exploded view

Item Article No Name Material Qty

1 See below Diversion head Nodular cast iron 1

2 1800-01856 Inlet filter body Nodular cast iron 1

3 1800-01858 Outlet filter body Nodular cast iron 1

4 See below Bulkhead Cast iron 1

5 - 6

1800-06488 Screw Steel

241800-06308 Nut Steel

1800-06175 washer Steel

7 1800-07701 Stud Steel 4

8 1800-06325 Nut Steel 4

9 1800-06155 Washer Steel 4

101800-05009 Copper gasket Copper

81800-06019 Plug Steel

111800-06008 Copper gasket Copper

41800-05014 Plug Steel

121800-05020 Copper gasket Copper

21800-06016 Plug Steel

15 See below Strainer Steel 1

Filter sizeT280D-25/4 to 50/8

Diversion head(item 1)

Bulk head(item 4)

Strainer(item 15)

Article N°

25/4 1800-01784 1800-01241

1800-1020230/6

1800-01792

1800-01299

40/8 1800-01296

50/8 1800-01654 1800-10203

Page 101: Manual

SPARE PARTS

514-IB1-07 sp03e45.fm 93

1GB-015

Filter housing

1GB-002

(See section 7.5)

(See section 7.4)

(For 25/4)

(For 30/6 until 50/8)

Page 102: Manual

SPARE PARTS

94 514-IB1-07 sp03e45.fm

Item Article No Name Material Qty

39 1800-05482 O-ring Nitril 1

40 1800-05480 O-ring Nitril 1

41 1800-05415 O-ring Nitril 1

44 See 8-2-4 Pressure drop indicator Brass 1

45 1800-09950 Hydraulic motor - 1

46 1800-10225 Drain cock Brass 1

47 1800-06037 Magnetic plug - 1

48 1800-05020 Copper gasket Copper 1

49 See 8.2.3 Counter flange Steel 2

50 See 8.2.3 O-ring Nitril 2

51

1800-06498 Screw Steel

161800-06177 Washer Steel

1800-06310 Nut Steel

55 See 8.2.3 Return to sump counter flange Steel 1

56 1800-05470 O-ring Nitril 1

57

1800-06446 Screw Steel

41800-06172 Washer Steel

1800-06305 Nut Steel

90 See below Hydraulic motor feed pipe Steel 1

91 See below Hydraulic motor return pipe Steel 1

92 1800-01839 Inspection cover Steel 2

931800-06173 Washer Steel

161800-06464 Screw Steel

94 1800-05234 O-ring Nitril 2

95 1800-01774 Q3 plate Steel 1

96 1800-05213 O-ring Viton 1

971800-06422 Screw Steel

41800-06171 Washer Steel

Filter sizeT280D-25/4 to 50/8

Hydraulic motor feed pipe(item 90)

Hydraulic motor return pipe(item 91)

Article No

25/4 1800-10066 1800-10072

30/6

40/8

50/8

1800-10063 1800-09734

Page 103: Manual

SPARE PARTS

514-IB1-07 sp03e45.fm 95

1GB-015

Filter housing

1GB-002

(See section 7.5)

(See section 7.4)

(For 25/4)

(For 30/6 until 50/8)

Page 104: Manual

SPARE PARTS

96 514-IB1-07 sp03e45.fm

7.3.2 Set of gaskets for the filter housing

Article No. 1800-19537

The gaskets shown in the illustration for the filter housing and filtering unit can be ordered separately oras a set. The set comprises of those listed in the table. It can be ordered by quoting:

Set of gaskets for the filter housing - Article No. 1800-19537

The complete set is required every time the filter has a major overhaul, (remove and clean the filteringunit).

Item Article No Material Qty

39 1800-05482

Nitril

1

40 1800-05480 1

41 1800-05415 2

42 1800-05416 3

43 1800-05413 1

56 1800-05470 1

Page 105: Manual

SPARE PARTS

514-IB1-07 sp03e45.fm 97

1GB-016

Gasket set 1800-19537

1FU-002

42

39

40

41

56

42

Page 106: Manual

SPARE PARTS

98 514-IB1-07 sp04e45.fm

7.4 FILTERING UNIT

7.4.1 Parts list and exploded view

* According to filter size (See 8.1)

Item Article No Name Material Qty

16 See 7.4.3 Distributor Aluminium 1

18 See 7.4.3 Sleeve Aluminium 1

21 1800-07677 Driving pin Steel 1

22 1800-06920 Ball bearing Steel 1

23 1800-06149 Circlip Steel 1

24 1800-01395 Diversion cover Aluminium 1

25 See below Diversion companion spacer Aluminium 1

26 1800-01588 Spacer Aluminium 1

27 1800-01597 Full flow companion spacer Aluminium 1

28 1800-01396 Full flow cover Aluminium 1

29 See 7.4.4 Diversion filter element Aluminium +Stainless steel

*

30 See 7.4.4 Full flow filter element *

31 See 7.4.5 Diversion rod Steel 4

32 See 7.4.5 Full flow rod Steel 4

33 1800-06441 Screw Steel 16

34 1800-06155 Washer Steel 16

38

1800-06526 Screw Steel

81800-08150 Spring guide Steel

1800-06355 Spring Steel

42 1800-05416 O-ring Nitril 3

43 1800-05413 O-ring Nitril 1

Filter SizeT280D-25/4 to 50/8

Diversion companion spacer(Item 25)

Article No

25/4 1800-01589

30/6 1800-01768

40/8 1800-01589

50/8 1800-01589

Page 107: Manual

SPARE PARTS

514-IB1-07 sp04e45.fm 99

Filtering unit

1FU-028

1FU-029

33

34

24

42

29

25

23

21

22

16

1833

34

31

43

32

27

42

26

3834

33

30

28

42

34

33

Page 108: Manual

SPARE PARTS

100 514-IB1-07 sp04e45.fm

7.4.2 Complete filtering unit

Filtering unit for filter type: T280D-25/4 to 50/8

FilterSize

T280D-25/4 to 50/8

Filtering unit - Article No. Height H

(mm)Filtering code

A03 A05 A07

25/4 1800-19945 1800-19955 1800-19975 567

30/6 1800-19682 1800-19677 1800-19907 709

40/8 1800-19948 1800-19958 1800-19978 849

50/8 1800-19684 1800-19679 1800-19909 989

H

1FU-033

Page 109: Manual

SPARE PARTS

514-IB1-07 sp04e45.fm 101

7.4.3 Distributor and Sleeve

* Detail of the sleeve and distributor assembly :

Filter sizeT280D-25/4 to 50/8

Sleeve (item 18) Distributor (item 16) Sleeve & distributorAssembly *

L1 (mm) Article No L2 (mm) Article No Article No

25/4 604 1800-02285 581 1800-19605 1800-19640

30/6 746 1800-02286 723 1800-19606 1800-19641

40/8 886 1800-02288 863 1800-19608 1800-19644

50/8 1026 1800-02297 1003 1800-19614 1800-19622

Item Article No Name Material Qty

16 See above Distributor Aluminium 1

18 See above Sleeve Aluminium 1

21 1800-07677 Driving pin Steel 1

22 1800-06920 Ball bearing Steel 1

23 1800-06149 Circlip Steel 1

16

Ø138

18

Ø152

L2

L1

1FU-030

23

21

22

Dimensions in mm

Page 110: Manual

SPARE PARTS

102 514-IB1-07 sp04e45.fm

7.4.4 Full-flow and diversion filter elements

Dimensions in mm

Set of full-flow filter elements

Set of diversion filter elements

Filtration code according to

filter model

Full flow filter element

(item 30) Article No.

Diversion filter element

(item 29) Article No.

A03 1800-03383 -

A05 1800-03384 -

A07 1800-03385 -

A016 - 1800-03390

Number of

full-flow elements

Filtration code

A03 A05 A07

Article No. Article No.

25 1800-19305 1800-19316 1800-19327

30 1800-19306 1800-19317 1800-19328

40 1800-19308 1800-19319 1800-19330

50 1800-19310 1800-19321 1800-19332

Number of

diversion

element

Filtration code

A016

Article No.

4 1800-19355

6 1800-19296

8 1800-19356

Ø 152 Ø 152

Ø 280 Ø 2801FU-031

Full-flow filter element Diversion filter element

Page 111: Manual

SPARE PARTS

514-IB1-07 sp04e45.fm 103

7.4.5 Full-flow and diversion rod

Dimensions in mm

Filter size

T280D-25/4 to 50/8

Full Flow Rod

(item 32)

Diversion Rod

(item 31)

Screw

(item 33)

Washer

(item 34)

L (mm) Article

No.

L (mm) Article

No.

Article No. Article No.

25/4 434 1800-07144 184 1800-07150

1800-06441 1800-0615530/6 504 1800-07145

256 1800-0715140/8 644 1800-07147

50/8 784 1800-07149

Ø 10,25 x 20 x 2 Ø 10,25 x 20 x 2

L

M10 Ø 13 Ø 13 M10

33 34 31-32 3334

25 2514

1FU-032

Page 112: Manual

SPARE PARTS

104 514-IB1-07 sp05e45.fm

7.5 HYDRAULIC MOTOR

7.5.1 Parts list and exploded view

Item Article No Name Material Qty

0 1800-09950 Hydraulic motor assembly 1

1 1800-09546 External flange assembly 1

2 1800-09660 Piston/driving shaft assembly (See 7.5.2) 1

3 1800-09654 Driving shaft assembly (See 7.5.3) 1

4 1800-09727 Internal flange assembly 1

12 1800-07751 Slide valve 1

14

A/B1800-06201 Pin 2

15 1800-05221 O-ring 1

16 1800-05211 O-ring 1

17 1800-08751 Motor liner 1

38 1800-08950 Relay 2

39 1800-06350 Spring 2

40 1800-06012 Plug 2

41 1800-05203 O-ring 2

42 1800-05107 Gasket 2

43 1800-07067 Inlet column 1

44 1800-05106 Gasket 1

45 1800-07065 Outlet column 1

46 1800-05105 Gasket 1

47 1800-06440 Screw 2

48 1800-06155 Washer 2

49 1800-01305 Motor cover 1

50 1800-06421 Screw 2

51 1800-00186 Washer 2

52 1800-06154 Washer 2

53 1800-07617 Operating indicator 1

54 1800-06324 Nut 1

55 1800-06171 Washer 1

56 1800-05482 O-ring 1

57 1800-05480 O-ring 1

58 1800-05211 O-ring 1

61 1800-00153 Pluger 1

62 1800-05004 Gasket 1

Page 113: Manual

SPARE PARTS

514-IB1-07 sp05e45.fm 105

Hydraulic motor

0

1HM-001 17

2-3

12

53

54

55

49

50

51

52

40

42

39

38

6162

4345

46

58

1

56

57

4144

15

14B

14A

4

41

38

39

42

40

47

48

16

1HM-046

Page 114: Manual

SPARE PARTS

106 514-IB1-07 sp05e45.fm

7.5.2 Piston driving shaft assembly

Item Article No Name Material Qty

2 1800-09660 Piston/driving shaft assembly 1

20 1800-01933 Piston 1

22 1800-08118 Driving shaft 1

23 1800-06206 Locking pin 2

24 1800-07685 Driving pin 2

25 1800-06102 Circlip 2

26 1800-06908 Ball bearing 2

27 1800-08255 Driver 1

28 1800-07683 Axle 1

29 1800-08246 Driving ratchet 1

30 1800-08247 Driven ratchet 1

31 1800-06362 Spring 1

32 1800-07490 Axle 1

33 1800-06205 Locking pin 1

34 1800-05227 O-ring 1

35 1800-05202 O-ring 3

36 1800-05208 O-ring 1

37 1800-05211 O-ring 1

1HM-047

2

25B26B

29

3230

35363535

2423

24

2034233731

22

25A26A

283327

1HM-048

Page 115: Manual

SPARE PARTS

514-IB1-07 sp05e45.fm 107

7.5.3 Driving shaft assembly

Item Article No Name Material Qty

3 1800-09654 Driving shaft assembly 1

22 1800-08118 Driving shaft 1

25 1800-06102 Circlip 2

26 1800-06908 Ball bearing 2

27 1800-08255 Driver 1

28 1800-07683 Axle 1

29 1800-08246 Driving ratchet 1

30 1800-08247 Driven ratchet 1

31 1800-06362 Spring 1

32 1800-07490 Axle 1

33 1800-06205 Locking pin 1

1HM-049

3

25B

26B

293230

31

22

25A26A

28

3327

1HM-050

Page 116: Manual

SPARE PARTS

108 514-IB1-07 sp05e45.fm

7.5.4 Set of "gaskets" for the hydraulic motor

Article N°1800-19514

The gaskets shown in the table below for the hydraulic motor are to be ordered as a set. The set consistsof those shown in the table.It can be ordered by quoting :

Set of gaskets for the hydraulic motor - Article No. 1800-19514

The complete set is required every time the hydraulic motor has an overhaul, (removal and cleaning of thehydraulic motor),

Item Article No Name Material Qty

14 1800-06201 Pin Steel 2

15 1800-05221 O-ring Viton 1

16 1800-05211 O-ring Viton 1

23 1800-06206 Locking pin Steel 2

31 1800-06362 Spring Steel 1

33 1800-06205 Locking pin Steel 1

34 1800-05227 O-ring Viton 1

35 1800-05202 O-ring Viton 3

36 1800-05208 O-ring Viton 1

37 1800-05211 O-ring Viton 1

41 1800-05203 O-ring Viton 2

42 1800-05107 Gasket Steel & nitril 2

44 1800-05106 Gasket Steel & nitril 1

46 1800-05105 Gasket Steel & nitril 1

56 1800-05482 O-ring Nitril 1

57 1800-05480 O-ring Nitril 1

58 1800-05211 O-ring Viton 1

Page 117: Manual

TECHNICAL DATA AND DRAWINGS

514-IB1-07 td01e45.fm 109

8.1 VARIOUS DATA

FILTER CODE

MOATTI FILTERING CODE/FILTER FINENESS

Absolute : Mesh size(Sphere passing mesh)

Nominal : 85 - 90 % of all particles with a diameterlarger than the figure in the table are retained.

CAPACITIES

For information about capacities of the filters please contact Alfa Laval Moatti or the local Alfa Lavalrepresentative.

Filter seriesDiameter of

filter elementsDiversionchamber

Number of full-flow

elements

Number of diversion elements

Filtering code

T 280 D - 25 / 4 - A07

Moattifiltering

code

Filter finenessin µm

Absolute Nominal

A03 25 10

A05 35 20

A07 45 30

Example

Filter type

Filter size

Filter model

1) 2)

1)

2)

Page 118: Manual

TECHNICAL DATA AND DRAWINGS

110 514-IB1-07 td02e45.fm

8.2 DIMENSIONED DRAWINGS

8.2.1 Filter T280D-25/4 to 50/8-01

DENOMINATIONS

P1 = Filter inlet pressureP2 = Filter outlet pressure (to engine)P3 = Counter pressure in “return to sump”

Counter flanges, gaskets and bolts belong to delevery.Dimensions in mm where not otherwise stated.

TECHNICAL DATA & SPECIFICATIONS

Max. filter inlet pressure ...................................................................................................... (P1 max) ...............................12 barMin. filter outlet pressure ..................................................................................................... (P2 min) ..................................3 barNormal filter outlet pressure ................................................................................................ (P2 norm)........................3,5 - 6 barMax. viscosity in the filter at normal operation .................................................................... ..............................................75 cStMax. temperature in the filter............................................................................................... .............................................. 100°CNormal ∆P ........................................................................................................................... (P1-P2) ..........................0,2-0,5 barAlarm ∆P ............................................................................................................................. (P1-P2) ................................0,8 barMin. required pressure difference between filter outlet (P2) and “return to sump” (P3) ...... (P2-P3) ................................2,8 barMounting position ................................................................................................................ ............................................ VerticalTest pressure ....................................................................................................................... ..............................................20 barHousing material ................................................................................................................. .............................Nodular cast iron

Filter sizeT280D-

25/4 to 50/8

DNL L1 L2 L3 L4 L7

Emptyweight

(kg)

Volumeoil

(Litres)A B

25/4 125 40 1400 1020 500 1000 500 250 260 95

30/6 150 50 1470 1020 500 1000 600 250 270 90

40/850/8 200 50 1470 1020 500 1000 800

970 250 280320 85

1GB-050

Pressure drop indicator mounted

4 Ø 22 mmfor filter support

Page 119: Manual

TECHNICAL DATA AND DRAWINGS

514-IB1-07 td02e45.fm 111

8.2.2 Filter T280D-25/4 to 50/8-02

DENOMINATIONS

P1 = Filter inlet pressureP2 = Filter outlet pressure (to engine)P3 = Counter pressure in “return to sump”

Counter flanges, gaskets and bolts belong to delevery.Dimensions in mm where not otherwise stated.

TECHNICAL DATA & SPECIFICATIONS

Max. filter inlet pressure ...................................................................................................... (P1 max) ...............................12 barMin. filter outlet pressure ..................................................................................................... (P2 min) ..................................3 barNormal filter outlet pressure ................................................................................................ (P2 norm)........................3,5 - 6 barMax. viscosity in the filter at normal operation .................................................................... ..............................................75 cStMax. temperature in the filter............................................................................................... .............................................. 100°CNormal ∆P ........................................................................................................................... (P1-P2) ..........................0,2-0,5 barAlarm ∆P ............................................................................................................................. (P1-P2) ................................0,8 barMin. required pressure difference between filter outlet (P2) and “return to sump” (P3) ...... (P2-P3) ................................2,8 barMounting position ................................................................................................................ ............................................ VerticalTest pressure ....................................................................................................................... ..............................................20 barHousing material ................................................................................................................. .............................Nodular cast iron

Filter sizeT280D-

25/4 to 50/8

DNL L1 L2 L3 L4 L7

Emptyweight

(kg)

Volumeoil

(Litres)A B

25/4 125 40 1400 1020 500 1000 500 250 260 95

30/6 150 50 1470 1020 500 1000 600 250 270 90

40/850/8 200 50 1470 1020 500 1000 800

970 250 280320 85

1GB-051

Pressure drop indicator mounted

4 Ø 22 mmfor filter support

Page 120: Manual

TECHNICAL DATA AND DRAWINGS

112 514-IB1-07 td02e45.fm

8.2.3 Counter flanges

COUNTER FLANGES DIMENSIONS

O.RING DIMENSIONS

Dimensions in mm.

Filtersize

T280D-25/4 to 50/8

Counter flanges for filter inlet and filter outlet connectionCounter flanges for

“return to sump”connection

DN d1 D x E Qty x d2 x k d5 x d6 x p Couter flangeArt. N°

O.RingArt. N° DN A Art. N°

25/4 125 141,4 340x24 8x22x295 236x255x5 1800-01760 1800-05403 40 49 1800-01538

30/6 150 170,3 340x24 8x22x295 236x255x5 1800-01761 1800-05403 50 61,1 1800-01539

40/850/8 200 221,8 340x24 8x22x295 236x255x5 1800-01531 1800-05403 50 61,1 1800-01539

Art. N° 1800-05403

d3 x d4 240,67 x 7

1GB-052

O.RING

COUNTER FLANGE

For filter inlet and outlet connection For “return to sump” connection

O.RINGArt. N°

1800-05470

Page 121: Manual

TECHNICAL DATA AND DRAWINGS

514-IB1-07 td02e45.fm 113

8.2.4 Pressure drop indicator

** according to filter model

Item Article No Name Material Qty

11800-089861800-089911800-08975

Pressure (Alarm ∆P 0,8 bar)drop (Alarm ∆P 0,9 bar)indicator (Alarm ∆P 1 bar)

Brass 1

2 * * Support * * 1

3 1800-061711800-06421

Washer Screw Steel 2

4 1800-06800 Swivelling coupling Steel 2

5 1800-08979 Electrical connector - 1

6 1800-062751800-06276

Cable gland Standard Cable gland Special Steel 1

2XX-002A

Standard : For cable Ø 5,5 to 9 mmSpecial : For cable Ø 8 to 13 mm

CABLE GLAND

Filter inlet pressure Filter outlet pressure

ELECTRICAL DATA

Breaking capacity......................................10 WMax. working voltage ...............................250 VMin. break down voltage ........................1000 VMax. current Rating...................................0,5 AContact quantity .............................................. 3

Normally closed ................................C1+C3Normally open ..................................C2+C3Commun ..................................................C3

Cross sectionnal area of the wires :1,34 sq. mm for ø2 mm contacts3,39 sq. mm for ø3 mm contacts

RATING

Max. pressure ......................................... 50 barMax. temperature................................... 160° C

Dimensions in mm where not otherwise stated

Page 122: Manual

114

Page 123: Manual

APPENDIX A. SPARE PARTS ORDERING FORM

514-IB1-07 of01e01.fm 115

SPARE PARTS ORDERING FORM

Company name:Installation:

Order No:

Delivery address:

Required delivery date:

Invoice address:

Telephone No: Contact Name:

Filter Model: Filter Serial No:

ItemNo

Art. No. Qty Item description (see parts list) Notes

Signed by : Position : Date :

Authorised by : Position : Date :

Page 124: Manual

APPENDIX B. MARINE SERVICE NETWORK 2004

116 514-IB1-07 sn01e01.fm

Page 125: Manual

APPENDIX B. MARINE SERVICE NETWORK 2004

514-IB1-07 sn01e01.fm 117

EUROPE

Page 126: Manual

APPENDIX B. MARINE SERVICE NETWORK 2004

118 514-IB1-07 sn01e01.fm

EUROPE

Page 127: Manual

APPENDIX B. MARINE SERVICE NETWORK 2004

514-IB1-07 sn01e01.fm 119

EUROPE

NORDIC REGION

Page 128: Manual

APPENDIX B. MARINE SERVICE NETWORK 2004

120 514-IB1-07 sn01e01.fm

AFRICA

NORTH AMERICA

Page 129: Manual

APPENDIX B. MARINE SERVICE NETWORK 2004

514-IB1-07 sn01e01.fm 121

SOUTH AMERICA

OCEANIA

Page 130: Manual

APPENDIX B. MARINE SERVICE NETWORK 2004

122 514-IB1-07 sn01e01.fm

ASIA

Page 131: Manual

APPENDIX B. MARINE SERVICE NETWORK 2004

514-IB1-07 sn01e01.fm 123

ASIA

Page 132: Manual

APPENDIX B. MARINE SERVICE NETWORK 2004

124 514-IB1-07 sn01e01.fm

ASIA

Page 133: Manual

APPENDIX C. CROSS REFERENCE LIST

514-IB1-07 514ib17e.fmc 125

Article N° Page Item

1800-00153 104 61

1800-00186 104 51

1800-01241 92 4

1800-01296 92 4

1800-01299 92 4

1800-01305 104 49

1800-01395 98 24

1800-01396 98 28

1800-01588 98 26

1800-01589 98 25

1800-01597 98 27

1800-01654 92 4

1800-01768 98 25

1800-01774 94 95

1800-01784 92 1

1800-01792 92 1

1800-01839 94 92

1800-01856 92 2

1800-01858 92 3

1800-01933 106 20

1800-02285 101 18

1800-02286 101 18

1800-02288 101 18

1800-02297 101 18

1800-03383 102 -

1800-03384 102 30

1800-03385 102 30

1800-03390 102 29

1800-05004 104 62

1800-05009 92 10

1800-05014 92 11

1800-05020 92 12

1800-05020 94 48

1800-05105 104 46

1800-05105 108 46

1800-05106 104 44

1800-05106 108 44

1800-05107 104 42

1800-05107 108 42

1800-05202 106 35

1800-05202 108 35

1800-05203 104 41

1800-05203 108 41

1800-05208 106 36

1800-05208 108 36

1800-05211 104 16

1800-05211 104 58

1800-05211 106 37

1800-05211 108 16

1800-05211 108 37

1800-05211 108 58

1800-05213 94 96

1800-05221 104 15

1800-05221 108 15

1800-05227 106 34

1800-05227 108 34

1800-05234 94 94

1800-05413 96 43

1800-05413 98 43

1800-05415 94 41

1800-05415 96 41

1800-05416 96 42

1800-05416 98 42

1800-05470 94 56

1800-05470 96 56

1800-05480 94 40

1800-05480 96 40

1800-05480 104 57

1800-05480 108 57

1800-05482 94 39

1800-05482 96 39

1800-05482 104 56

1800-05482 108 56

1800-06008 92 11

Article N° Page Item

1800-06012 104 40

1800-06016 92 12

1800-06019 92 10

1800-06037 94 47

1800-06102 106 25

1800-06102 107 25

1800-06149 98 23

1800-06149 101 23

1800-06154 104 52

1800-06155 92 9

1800-06155 98 34

1800-06155 103 34

1800-06155 104 48

1800-06171 94 97

1800-06171 104 55

1800-06172 94 57

1800-06173 94 93

1800-06175 92 5 - 6

1800-06177 94 51

1800-06201 104 14 A/B

1800-06201 108 14

1800-06205 106 33

1800-06205 107 33

1800-06205 108 33

1800-06206 106 23

1800-06206 108 23

1800-06305 94 57

1800-06308 92 5 - 6

1800-06310 94 51

1800-06324 104 54

1800-06325 92 8

1800-06350 104 39

1800-06355 98 38

1800-06362 106 31

1800-06362 107 31

1800-06362 108 31

1800-06421 104 50

Article N° Page Item

Page 134: Manual

APPENDIX C. CROSS REFERENCE LIST

126 514-IB1-07 514ib17e.fmc

1800-06422 94 97

1800-06440 104 47

1800-06441 98 33

1800-06441 103 33

1800-06446 94 57

1800-06464 94 93

1800-06488 92 5 - 6

1800-06498 94 51

1800-06526 98 38

1800-06908 106 26

1800-06908 107 26

1800-06920 98 22

1800-06920 101 22

1800-07065 104 45

1800-07067 104 43

1800-07144 103 32

1800-07145 103 32

1800-07147 103 32

1800-07149 103 32

1800-07150 103 31

1800-07151 103 31

1800-07490 106 32

1800-07490 107 32

1800-07617 104 53

1800-07677 98 21

1800-07677 101 21

1800-07683 106 28

1800-07683 107 28

1800-07685 106 24

1800-07701 92 7

1800-07751 104 12

1800-08118 106 22

1800-08118 107 22

1800-08150 98 38

1800-08246 106 29

1800-08246 107 29

1800-08247 106 30

Article N° Page Item

1800-08247 107 30

1800-08255 106 27

1800-08255 107 27

1800-08751 104 17

1800-08950 104 38

1800-09546 104 1

1800-09654 104 3

1800-09654 107 3

1800-09660 104 2

1800-09660 106 2

1800-09727 104 4

1800-09734 94 91

1800-09950 94 45

1800-09950 104 0

1800-10063 94 90

1800-10066 94 90

1800-10072 94 91

1800-10202 92 15

1800-10203 92 15

1800-10225 94 46

1800-19296 102 -

1800-19305 102 -

1800-19306 102 -

1800-19308 102 -

1800-19310 102 -

1800-19316 102 -

1800-19317 102 -

1800-19319 102 -

1800-19321 102 -

1800-19327 102 -

1800-19328 102 -

1800-19330 102 -

1800-19332 102 -

1800-19355 102 -

1800-19356 102 -

1800-19605 101 16

1800-19606 101 16

Article N° Page Item

1800-19608 101 16

1800-19614 101 16

1800-19622 101 -

1800-19682 100 -

1800-19640 101 -

1800-19641 101 -

1800-19644 101 -

1800-19677 100 -

1800-19679 100 -

1800-19682 100 -

1800-19684 100 -

1800-19907 100 -

1800-19909 100 -

1800-19945 100 -

1800-19948 100 -

1800-19955 100 -

1800-19958 100 -

1800-19975 100 -

1800-19978 100 -

Article N° Page Item