Medium Pressure Diaphragm Pumps - PumpBiz

06-00

Form 1382

Description

Hypro Medium Pressure Diaphragm Pumps arerecommended for spraying herbicides, pesticides, liquidfertilizers, and many other hard-to-handle fluids. Lowcost maintenance and almost wear-free operation makethese pumps ideal for a wide variety of spraying jobs.Pressure and output are designed for optimumperformance of small to medium sized sprayers.

Hypro Medium Pressure Diaphragm Pumps can beadapted for male 1-3/8" splined shaft, female 1-3/8"splined shaft, 1" solid shaft, or gear reduction driveoptions. See Kits on page 2. Pumps include a pulsationdampener except for Model 9910-D303, D403, and D503.

Medium PressureDiaphragm Pumps

Installation, Operation, Repair, and Parts Manual

See Page 2 for drive options and control units.

Model 9910-D12-GRGIMax flow: 3.5 gpmMax pressure: 290 psiMax. speed: 3600 rpm2 Diaphragms completewith Control Unit

Model 9910-D503Model 9910-D503-GRGIMax flow: 15 gpmMax pressure: 580 psiMax speed: 550 rpm (D503) 3600 rpm (D503-GRGI)3 Diaphragms

Model 9910-D30Model 9910-D30AP-AModel 9910-D30-GRGIModel 9910-D30-B-GRGIMax flow: 9.5 gpmMax pressure: 580 psiMax speed: 550 rpm (D30) 3600 rpm (D30-GRGI)2 Diaphragms

Model 9910-D252Model 9910-D252-GRGI 3/4Model 9910-D252-GRGI 5/8Max flow: 6 gpmMax pressure: 290 psiMax speed: 650 rpm (D252)

3600 rpm (D252-GRGI)2 Diaphragms

Model 9910-D303Model 9910-D303-GRGIModel 9910-D403Model 9910-D403-GRGIMax flow: 7.9 gpm (D303) 10.6 gpm (D403)Max pressure: 580 psiMax speed: 550 rpm (D303 & D403) 3600 rpm (D303-GRGI & D403-GRGI))3 Diaphragms

Model 9910-D50Model 9910-D50AP-AModel 9910-D50-BMax flow: 14 gpmMax pressure: 580 psiMax speed: 550 rpm2 Diaphragms

2

Control Max. Max. PumpUnit Model GPM PSI Model9910-KIT 1990 6 290 D2529910-GR40 11 580 D303/D403,9910-GS40GI 21 580 D50 & D309910-RM40 24 580 D503

General Safety Information

Control Units:Control units are available for easy flow and pressure controlof your sprayer system. These units include a manual dumpvalve and adjustable pressure relief valve to control pressure,a liquid-filled pressure gauge to monitor pressure, and shut-offvalves to control flow. Control Unit GR40 and GS40GI can beremote mounted with Kit No. 9910-KIT1741. Refer to theadjoining chart to select the proper control unit for your pump.

9910-D12GRGI N/A N/A N/A N/A N/A

9910-D503 9910-KIT2200 9910-KIT2202 9910-KIT2204 9910-KIT1642 for 8 hp, or 9910-KIT 1640 for 5 hp 9910-HYD5312

9910-D252 N/A 3/4" Solid Shaft. Std. N/A Order gear reduced models. N/A

9910-D303/403 9910-KIT2200 9910-KIT2202 9910-KIT1704 9910-KIT1640 for 5 hp 9910-HYD5312

9910-D30 9910-KIT1702 9910-KIT1703 9910-KIT1704 9910-KIT1640 for 5 hp 9910-HYD5312

9910-D50 9910-KIT1706 9910-KIT1707 9910-KIT1704 9910-KIT1642 for 8 hp, or 9910-KIT 1640 for 5 hp 9910-HYD5312

PumpModel

Gear1-3/8" Male 1-3/8" Female Reduction HydraulicSplined PTO 1" Solid Shaft Splined PTO Units for Gas Motor Mounting

Shaft W/Keyway Coupler Engine Drive Flange Kit

Notes are used to notify of installation, operation, ormaintenance information that is important but notsafety related.

Caution is used to indicate the presence of a hazard,which will or can cause minor injury or propertydamage if the notice is ignored.

Warning denotes that a potential hazard exists andindicates procedures that must be followed exactlyto either eliminate or reduce the hazard, and to avoidserious personal injury, or prevent future safetyproblems with the product.

Danger is used to indicate the presence of a hazardthat will result in severe personal injury, death, orproperty damage if the notice is ignored.

• Do not pump flammable or explosive fluids suchas gasoline, fuel oil, kerosene, etc. Do not use inexplosive atmospheres. Do not pump asphaltsealer, roofing compounds, concrete sealers, orany two step curing products. The Pump shouldonly be used with liquids compatible with thePump materials. Failure to follow this notice canresult in severe personal injury and/or propertydamage and will void the product warranty.

• Never use your hand to check the condition ofhydraulic lines or hoses. If hydraulic fluidpenetrates the skin, get medical attentionimmediately. Failure to get proper medicalattention may result in loss of limb or life. Thesafest way to check hydraulic lines is by holdinga piece of cardboard next to the hydraulic line orhose.

• The sound pressure level of the Pump may exceed80dBA. Observe all safety precautions whenoperating the Pump within close proximity forextended periods by wearing hearing protectors.Extended exposure to elevated sound levels willresult in permanent loss of hearing acuteness,tinnitus, tiredness, stress, and other effects suchas loss of balance and awareness.

• Verify that Pump shaft rotates freely prior toengaging the pump drive.

Drive Options:Order the appropriate shaft adapter kit or gear reduction unit forthe drive option requirements. Refer to the adjoining chart forproper selection. For proper installation, refer to Pages 4through 8.

3

Hazardous Substance Alert

• Always drain and flush Pump before servicing ordisassembling for any reason (see instructions).

• Always drain and flush Pumps prior to returningunit for repair.

• Never store Pumps containing hazardouschemicals.

• Do not pump at pressures higher than themaximum recommended pressure.

• Operate the Pump between a temperature rangeof 45o to 140o F [7o to 60o C].

• Make certain that the power source conforms tothe requirements of your equipment.

• Provide adequate protection in guarding aroundthe moving parts such as shafts and pulleys.

• Disconnect the power before servicing.

• Release all pressure within the system beforeservicing any component.

• Drain all liquids from the system before servicing.

• Secure the discharge line before starting thePump. An unsecured discharge line may whip,resulting in personal injury and/or propertydamage.

• Check all hoses for weak or worn condition beforeeach use. Make certain that all connections aretight and secure.

• Periodically inspect the Pump and the systemcomponents. Perform routine maintenance asrequired (See Maintenance).

• When wiring an electrically driven pump, followall electrical and safety codes, as well as the mostrecent National Electrical Code (NEC) and theOccupational Safety and Health Act (OSHA)requirements.

• Use only pipe, hose, and hose fittings rated formaximum rated pressure of the Pump or thepressure at which the Pressure Relief Valve is setat. Do not use used pipe.

• Do not use these Pumps for pumping water orother liquids for human or animal consumption.

• Do not pressure feed Pump Inlet.

• Before returning Pump for service/repair, drainout all liquids and flush unit with neutralizingliquid. Then, drain the Pump. Attach tag orinclude written notice certifying that this hasbeen done. Please note that it is illegal to ship ortransport any hazardous chemicals withoutUnited States Environmental Protection AgencyLicensing.

4

Shaft Adapter Kit InstallationOrder the appropriate Shaft Kit according to the chart onPage 2.

Female Splined Coupler Kits 9910-KIT1704 and9910-KIT2204 (See Figure 2).

1. Slide the Splined Shaft Adapter (Ref. 57) onto the Pump Shaftand secure with three Hex Head Bolts (Ref. 60) andthree Washers (Ref. 61).

2. Position the Torque Arm Bracket over the Pump Shaft.

3. Align the holes in the Torque Arm Bracket with the two lowerholes of the Pump; then, secure it to the Pump with the twoBolts (Ref. 62) and Washers (Ref. 61).

4. Position the Clamp (Ref. 56) over the groove in the SplinedShaft Adapter; then, install the Bolt (Ref. 71) into the Clamp.

5. Slide the Pump Assembly onto PTO Shaft and secure it with theBolt (Ref. 71).

6. Position the Shield (Ref. 105) over the Shaft Adapter lining upthe holes with the remaining two holes in the Torque Bracket.Secure with 2 Bolts (Ref. 62) and Washers (Ref. 61).

7. Attach Chains (Ref. 11) to the Bracket and secure to the tractorto prevent rotation of the pump during operation.

Figure 2

Installation

Pump Plumbing

Use only pipe, fittings, accessories, hose, etc. rated forthe maximum pressure rating of the pump.

1. Always mount Pump with oil sight tube in upright position(See Figure 1).

2. The proper selection of hose type and size is vital tooptimal performance.

a. Use good quality inlet hose, compatible with the fluidsbeing pumped and with good elasticity to reduce inletwater hammer or pulsation. Be sure that hose is not toorigid but capable of operating at low vacuums withoutcollapsing. The diameter of the inlet hose should be atleast that of the pump inlet port size and preferably onesize larger if the inlet line is longer than 6 feet [1.8meters].

b. Use only approved high pressure hose on the dischargeside of pump.

3. Most ports are provided with hose barb connections. Usegood quality hose clamps and tighten them securely.

Diaphragm Pump Connection

Agi

tatio

n Li

ne

Out

let

ControlValve

PressureGauge

To Spray Gun

To Boom Nozzles

Byp

ass

Line

TankShut-off

Strainer

Relief Valve

Pump

Boom Shut-offor Selector

Agitator

Figure 1

57

6061

56

6162

71

105

11

5

Figure 3

Solid Shaft Kits 9910-KIT1703, 9910-KIT1707,9910-KIT2202 (See Figures 3 & 4).

Male Splined Shaft Kits 9910-KIT1702, 9910-KIT1706,9910-KIT2200 (See Figures 3 & 4).

1. Install Bases (Ref. 1) onto the pump securing with 2 Bolts(Ref. 2), 2 Washers (Ref. 4), and 2 Nuts (Ref. 3).

Models D303 and D403 are shipped with Bases. Mount theShaft Adaptor as shown in Figure 4.

2. Mount Shaft Adapter (Ref. 5A for KIT1703 & KIT1707, orRef. 5B for KIT1702 & KIT1706) onto the Pump Shaft andsecure with 3 Bolts (Ref. 6) and 3 Washers (Ref. 7).

3. Mount pump/base assembly securely to preventmovement.

5B

Figure 4

67

5A

5B

Installation Instructions for Gear Reduction Kit 9910-KIT1640See Figure 5

Hypro recommends a blue thread locking compoundon all threaded fasteners that do not require lockwashers.

The 9910-KIT1640 Gear Reducer is designed for directmounting the 9910-D30, D303, D403, D50, and D503Diaphragm Pump onto a 5 hp gasoline engine with aflange mounting and 3/4" solid shaft.

1. Lubricate the O-Ring (Ref. 1) in the Pump AdapterFlange (Ref. 3). Slip the Flange over the machinedsurface of the casting, shaft end of Pump.

2. Install the Pump Gear (Ref. 5) with the pilot diameterof the Gear inserted into the inner diameter of thePump Shaft. Secure firmly onto the Shaft using

Figure 5

M10 x 25 Socket Head Cap Screws (Ref. 7) and LockWashers (Ref. 6).

3. Align the holes in the Pump Adapter Flange (Ref. 3)with threaded holes in the Pump Body. Lubricate theGasket (Ref. 20) and place it in position on theGearbox Body (Ref. 8). Install the Gearbox Body(Ref. 8) on the Pump Adapter Flange (Ref. 3) andsecure firmly with M10 x 75 Socket Head CapScrews (Ref. 12). Install the M8 x 20 Socket HeadCap Screw (Ref. 2) and securely tighten.

4. Insert the long Key (Ref. 19) into the Engine Shaftkeyway. Align the keyway in the Gear Reducer InputShaft (Ref. 14) and slide the Pump and Gear Reduceronto the engine shaft.

1

2

3

56

720

10

9

10

9

11

10

9

1312

19

1817

1516

1514 4

&1706 &

1707

KIT2202

KIT2200

6

5. Align the holes in the Gearbox Body (Ref. 8) withthreaded holes in engine boss. Insert 5/16"x1"-24Socket Head Cap Screws through the Gearbox Body(Ref. 8) and thread them into the threaded holes inthe engine boss. Securely tighten with the Hexwrench provided.

6. The Vent Plug (Ref. 13) must always be installed orreinstalled in the uppermost threaded hole of theGearbox Body (Ref. 8). Plugs (Ref. 9) and Vent Plug(Ref. 13) are interchangeable for Gear Reducermounting convenience.

7. Fill the Gear Case with 90W gear lube. To properlyfill, first tighten the Bottom Plug (Ref. 9); then, removeone side Plug (Ref. 9) and the Vent Plug (Ref. 13).Fill until the gear lube is no higher than the mark onthe Dipstick.

8. Replace and tighten the side Plug and the Vent Plug.

Installation Instructions for Gear Reduction Kit 9910-KIT1642See Figure 6

FIGURE 62

1

3

567

24

9

10

8

1312

10

9

10

9

11

2321

22

20

19

18

1715

16

15 144


Hypro recommends support for all pumps in excessof 25 Ibs [11.3 kg] in weight.

The 9910-KIT1642 Gear Reducer was designed for directmounting the 9910-D50, and D503 onto 8 hp gas engineswith flange mount and 1" solid shafts.

1. On the 9910-D50, the Square Metal plate (Ref. 34)must be removed from the shaft side of the pump.Lubricate the O-Ring (Ref. 1) in the Pump AdapterFlange (Ref. 3). Slip the Flange over machined surfaceof casting of 9910-D503 or the Brass Spacer Ringinstalled on the shaft of the 9910-D50.

2. Install the Pump Gear (Ref. 5) with the pilot diameterof the gear inserted into the inner diameter of thePump Shaft. Secure firmly onto the shaft using M10x 25 Socket Head Cap Screws (Ref. 7) and LockWashers (Ref. 6).

3. Align the holes in the Pump Adapter Flange (Ref. 3)with the threaded holes in the Pump Body. Lubricatethe Gasket (Ref. 24) and place in position on theGearbox Body (Ref. 8). Install the Gearbox Body(Ref. 8) on the Pump Adapter Flange (Ref. 3) andsecure firmly with M10 x 75 Socket Head Cap Screws(Ref. 12). Install the M8 x 20 Socket Head Cap Screw(Ref. 2) and securely tighten.

4. Install the Engine Flange Adapter (Ref. 21) raisedside out to the engine boss, using 5/16"x1"- 24 SocketHead Cap Screws (Ref. 19).

5. Insert the Long Key (Ref. 23) into the Engine Shaftkeyway. Align the keyway in Gear Reducer InputShaft (Ref. 14) and slide the pump and gear reduceronto the engine shaft.

6. Align the holes in Gearbox Body (Ref. 8) with thethreaded holes in the Engine Flange Adapter(Ref. 21). Insert M8 x 25 Socket Head Cap Screws(Ref. 11) through the Gearbox Body (Ref. 8) andthread them into the Engine Flange Adapter(Ref. 21). Securely tighten with Hex wrench provided.

7. The Vent Plug (Ref. 13) must always be installed orreinstalled in the uppermost threaded hole of Gear-

7

box Body (Ref. 8). The Plugs (Ref. 9) and Vent Plug(Ref. 13) are all interchangeable for Gear Reducermounting convenience.

8. Fill the gear case with 90W gear lube. To properly fill,first tighten Bottom Plug (Ref. 9); then, remove one

side Plug (Ref. 9) and Vent Plug (Ref. 13). Fill until thegear lube is no higher than the mark on the Dipstick.

9. Replace and tighten the side Plug and the Vent Plug.

Control Unit Kit Installation

Control Unit 9910-KIT1990

The Model 9910-KIT1990 Control Unit is designed forcontrol of pressures to 290 psi and flows up to 6 gpm. Itmounts directly to a D252 pump.


1. Locate the Discharge Flange Port on the DischargeManifold. Using a 13 mm wrench, remove the Boltsholding the Flange to the Manifold.

2. Remove the O-Ring from the groove of the Flangeand install it into the Control Unit Flange.

3. Install the Control Unit onto the Manifold where thedischarge port had been previously. Use the Boltsprovided with the Control to secure the Control Unit.

4. Install the Hose Barb Outlets onto the Control Unit,making sure the O-Ring is in place on the plasticHose Barb.

Control Unit 9910-GS40GI

The 9910-GS40GI Control Unit is designed for convenientcontrol of pressures up to 580 psi and flows up to 15 gpm.It can be mounted directly to the D30 and D50 Pump, orit can be mounted remotely with KIT1741.

Direct Mounting Onto Pump

1. Locate the Discharge Flange Port on the DischargeManifold. Using a 13 mm wrench, remove the nutsholding the flange manifold.

2. Remove the O-Ring from the groove of the Flangeand install into the Control Unit Flange.


3. Install the Control Unit onto the Manifold where theDischarge Port had been previously. Use the nutspreviously removed to secure the Control Unit.

4. Install the hose barb outlets onto the control unit,making sure the O-rings are in place on the hosebarbs.

Remote Mounting 9910-GS40GIwith Kit No. 9910-KIT1741


1. Locate and secure the Mounting Bracket in thedesired position.

2. Place O-rings (Ref. 110) into groove of Relief ValveBody (Ref. 105) and Discharge Flange Housing (Ref.101).

3. Assemble the Control Unit and Discharge FlangeHousing onto the Bracket and secure with the boltsand nuts provided.

4. Use the High Pressure Hose to connect PumpDischarge Port Hose Barb to the Control Unit InletPort Hose Barb

Control Unit 9910-GR40

The Model 9910-GR40 Control Unit is designed forconvenient control of pressure up to 580 psi and flows upto 10.6 gpm. It consists of an adjustable pressure reliefvalve, a manual pressure release lever, and two individualBall Valve controlled 1/2" hose barb outlets mounted tothe 9910-D303 and D403 Discharge Manifold.

Direct Mounting Onto Pump

1. Locate the Discharge Flange Port on the DischargeManifold. Using a 13 mm wrench, remove the Boltsholding the Flange to the Manifold.

2. Remove the O-Ring from the groove of the Flangeand install it into the Control Unit Flange.

3. Install the Control Unit onto the Manifold where thedischarge port had been previously. Use the Boltsprovided with the Control to secure the Control Unit.

4. Install the Hose Barb Outlets onto the Control Unit,making sure the O-Ring is in place on the plasticHose Barb.

Remote Mounting 9910-GR40with Kit No. 9910-KIT893

1. Locate and secure the Mounting Bracket in thedesired position.

8

Direct Mounting


1. Locate the Discharge Manifold on the 9910-D503(Ref. 25). With O-rings (Ref. 4) lubricated and inposition on control Valve Body (Ref. 28), plug intodischarge manifold. Lock into place with RetainerClip (Ref. 6).

2. Connect bypass hose to Bypass Hose Barb (Ref. 1)and run unrestricted to supply tank.

3. Connect the desired number of high pressure hosesto the outlet hose barbs. Unused hose barbs can beshut off with Ball Valves provided.

For all discharge hoses, use hose with an operatingpressure rating equal to or greater than the maximum

2. Place O-rings (Ref. 110) into groove of Relief ValveBody (Ref. 105) and Discharge Flange Housing (Ref.101).

3. Assemble the Control Unit and Discharge FlangeHousing onto the Bracket and secure with the boltsand nuts provided.

4. Use the High Pressure Hose to connect PumpDischarge Port Hose Barb to the Control Unit InletPort Hose Barb

Control Unit 9910-RM40

The 9910-RM40 Control Unit is designed for convenientcontrol of pressures up to 580 psi and flows up to 24 gpm.It consists of an adjustable pressure relief valve, amanual pressure release lever, and two individual ball-valve-controlled 1/2" hose barb outlets. It can be directmounted onto the 9910-D503 Discharge Manifold.

pressure rating of the pump. High pressure clampingshould be used on all outlet hose connections.

Remote Mounting


1. Install mounting bracket (Ref. 29) in desired locationand secure. With bolts (Ref. 31) and washers (Ref.30); then, attach the Control to the Bracket.

Always wear safety goggles when working with springloaded fasteners or devices.

2. With O-rings (Ref. 4) lubricated and in position on theControl Valve Body (Ref. 28), plug it into the InletAdapter (Ref. 32); then, lock it into place with RetainingClip (Ref. 6).

3. With O-rings (Ref. 4) lubricated and in position on theother Inlet Adapter; then, plug it into the PumpDischarge Manifold (Ref. 25) and lock it into placewith the Retaining Clip.

4. Connect the NPT fitting on the Discharge Manifold ofthe Pump with the NPT fitting on the Control Unit withthe high pressure hose.

5. Connect the Bypass Hose to the Bypass Hose Barb(Ref. 2); then, run it unrestricted to the Supply Tank.

6. Connect the desired number of high pressure hosesto the outlet hose barbs on the control valve. Unusedhose barbs can be shut off with ball valves provided.

For all discharge hoses, use hose with an operatingpressure rating equal to or greater than the maximumpressure rating of the pump. High pressure clampingshould be used on all outlet hose connections.

.

Operating Instructions

1. Be sure oil is halfway up to the Clear Oil Sight Tube.If necessary, fill to the correct level with Hypro Oil(Part Number 2160-0038). Hypro Oil is a speciallyformulated, high-grade, non-detergent, SAE 30weight oil formulated to prolong pump life.

2. Make sure the Suction Hose Barb is tightly screwedonto the Suction Union, and that there are no airleaks on the inlet side of the Pump.

3. Check the charge pressure on the PulsationDampener before starting the Pump. The pressure ischecked with a standard automotive air gauge. Thepressure should be at approximately 20% of themaximum pressure that you will be operating thePump at. Exercise caution when checking pressureto avoid loosing pre-charge.

Figure 7

D252 Control Unit

Pressure RegulatorAdjustment Knob

Outlet Port

Bypass Hose Barb(Connect directly tothe Tank withoutrestrictions or BallValves.)

PressureReleaseKnob

Hose BarbOutlet

9

D303, D403, & D50 Control Unit

Figure 8

Figure 9

9910-GR40 Control Unit


Pressure ControlBy-Pass Setting

Pressure ControlPressure Setting

PressureGauge

FineAdjustmentKnob

PressureGauge

Hose BarbOutlet

PressureAdjustment &Release Lever

Bypass Return Outlet(Connect directly to theTank without restrictionsor Ball Valves.) Hose Barb

Outlet

Hose BarbOutlet

Hose BarbOutlet

4. The Relief Valve Bypass Port should be connectedback to the Liquid Tank without restrictions. Do nothook Bypass Line back to the inlet port or inlet hose.

5. Allow the Pump to start under low pressure byremoving restrictions on the outlet of the Pump.

6. Start the Pump and let it run for approximately oneminute at low pressure; then, stop the pump and checkthe oil level in the sight glass. Add Hypro Oil ifnecessary.

7. Adjust the pump to the desired pressure by changingthe relief valve setting on the control unit, relief valve orunloader.

On Pump D252, (See Figure 7) first back out the ReliefValve Adjustment Knob to zero. Then rotate the redBypass Selector Knob so that the letter 'C' is in the 12o’clock up position. Adjust the pressure by rotating theRelief Valve Adjustment Knob to the desired pressure.

On Pump D252, the restriction on the pump is removedby rotating the red Knob on the Control Unit so that theletter A on the knob is in the 12 o’clock up position.

On Pumps D30, and D50 (See Figure 8), adjust thepressure by clamping the Relief Valve Adjustment Leverdown. With the Bale Hook in the number one position thepressure is about 100 psi [6.9 BAR]; number two is about250 psi [17.2 BAR]; number three is about 450 psi;number four is about 550 psi [37.9 BAR]. These pressurescan be adjusted by using the Fine Adjustment Knoblocated on top of the Relief Valve Spring. The FineAdjustment Knob can be rotated when the Relief ValveLever is in the up position.

On Pumps D30 and D50 the restriction is removed bylifting up the Relief Valve adjustment lever with the BaleHook on the number 1 position.

On Pumps D303 and D403 (See Figure 9) set thepressure Control to the pressure Setting; then, rotate thePressure Regulator to the desired pressure.

On Pumps D503 and D503-GRGI (See Figure 10) slidethe slide the Pressure Regulator Adjustment Know to theUNLOCK position; then, rotate the Pressure RegulatorAdjustment Knob to the desired pressure.

Figure 10

9910-RM40 Control Unit


Bypass Hose Barb(Connect directly tothe Tank.)

PressureGauge

Hose BarbOutlet

Hose BarbOutlet

10

1. After usage, flush the Pump with clean water.

2. Hypro Diaphragm Pumps come with oil in the crank-case. Hypro recommends changing oil after 40hours of break-in operation and every threemonths or 500 hours, whichever comes first.Use Hypro Oil (Part Number 2160-0038). HyproOil is a specially formulated, high-grade, non-detergent, SAE 30 weight oil formulated to

prolong pump life.

To drain the oil:D12GRGI and D252Remove the oil fill cap, turn the pump upside down androtate the shaft until oil stops flowing out. (D252 GearReduction Oil requirements: use 80-90 Wt. Gear Lubeand fill to level hole on gear reduction side.)

Maintenance Instructions for All Models

D303, D403, and D503Remove the Drain Plug (9910-30171 on D303 and 403,9910-770070 on D503) and Oil Sight Glass Covers, androtate shaft until the oil stops flowing out. Install the DrainPlug.

To fill the pump with oil, slowly pour oil into Sight Tubewhile turning the pump shaft. Turning the pump shaftpurges all the air out of the crankcase. Always change oilwhen replacing diaphragms.

3. For winter storage or if a freezing condition will beencountered, flush the pump with a 50/50 mixture ofwater and antifreeze.

The bypass return outlet on all control units m u s tbe connected directly to the tank without restrictionsor ball valves.

Valve Replacement

Occasionally debris can cause improper seating of theValves or damage to the O-rings. To check for thisproblem, follow these steps.

D12 & D252Remove the Head Bolts and the Head. Remove theValve Caps and the Valve Assemblies. Replace theValve Assemblies and O-rings, and reassemble.

D303, D403, & D50Remove the Pump Manifolds. With the Manifoldsremoved, the Valves can easily be removed and inspectedfor debris and wear. Replace Valves, O-rings andManifolds.

D503Remove Valve Retainers. With Retainers removed,Valves and O-rings can easily be removed and inspected.Replace Valves, O-rings and Valve Retainers.

Diaphragm Replacement: D12, D252, D30, D303, D403,and D503

Change Diaphragms every 500 hours or three months,whichever comes first.

1. Drain oil from crankcase as instructed previously.

2. Remove Pump Head Bolts and Heads.

3. Remove the Bolt securing the Diaphragm (SeeFigure 11).

4. Remove the old Diaphragm and the Washer (SeeFigure 11).

5. Install a new Diaphragm; then, turn the Crankshaft tobring the Piston to its down-stroke and seat theDiaphragm into the sleeve groove.

6. Install the Washer and Bolts removed in Steps3 and 4.

7. Replace the Pulsation Dampener Diaphragm by firstbleeding the air from the dampener. Remove thebolts from the dampener cover and replace theDiaphragm. Reassemble the Cover in place andcharge the dampener to 20% of the operating pressure.

8. Refill the Crankcase with Hypro Oil (Part Number2160-0038). Rotate the Shaft to distribute the oil andfill to proper level.

Bolt

Washer

Diaphragm

Figure 11

11

Diaphragm Replacement: D50Change Diaphragms every 500 hours or three months,whichever comes first.

1. Drain oil from Crankcase as instructed previously.

2. Remove the Pump Manifolds and Valves

3. Remove the Pump Head Retaining Nuts and Heads.

4. Turn the Crankshaft to bring the Diaphragm to thetop of its stroke. Insert a Drift Pin into the hole in theRetaining Bolt to hold it in place. Remove the Retain-ing Nut, Retaining Washer and the Diaphragm (SeeFigure 12).

5. Turn the Crankshaft to bring the piston to the bottomof its stroke and seat the new Diaphragm into theSleeve Groove. Install the Retaining Washer andtighten the Retaining Nut while holding the RetainingStud in place with the Drift Pin. Clean any excess oilfrom the area and install the Heads, Valves andManifolds.

6. Replace the Pulsation Dampener Diaphragm by firstbleeding the air from the Dampener. Remove the

Drift Pin

Figure 12

Retaining Nut

Retaining Washer

Diaphragm

Support Washer

Cover Retaining Bolts from the Dampener Cover andreplace the Diaphragm. Reassemble the Cover andBolts in place and charge the Dampener to 20% ofoperating pressure.

7. Refill the Crankcase with Hypro Oil (Part Number2160-0038). Rotate Shaft to distribute oil and fill toproper level.

Retaining Bolt

Troubleshooting

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.sirbedrofkcehcdnaevlaVevomeRehtenimaxE.dnuofsirbedynaevomeR

.mehtnaelcdnasgnitaeSevlaV

.ysionsipmuPehtdnaspordtuptuO .wolootsilevellioehT ehtpuyawflah(leveltcerrocehtotlioddA.)ebuTthgiS

rotroPegrahcsiDehtfotuosemocliO.rolocyklimasilio

.tilpsevahsmgarhpaiDroenO ehtniarD.sdaeHdnadlofinaMehtevomeR.retawfoesacknarCehtnaelcdnaliodna,sdaeH,smgarhpaiDehtecalpeR

traP(liOorpyHhtiwllifeR.dlofinaM.)8300-0612rebmuN

12

350 RPM 400 RPM 450 RPM 500 RPM 550 RPM PSI GPM HP GPM HP GPM HP GPM HP GPM HP145 9.2 1.2 10.6 1.5 11.6 1.8 12.7 2.2 13.7 2.5285 9.0 2.0 10.3 2.3 11.4 2.8 12.4 3.1 13.5 3.5430 8.7 2.7 10.0 3.0 11.1 3.5 12.1 4.0 13.2 4.5550 8.4 3.4 9.8 3.8 10.8 4.4 11.9 4.9 12.9 5.4BAR L/M W L/M W L/M W L/M W L/M W10 35 0.9 40 1.1 44 1.3 48 1.6 52 1.919.7 34 1.5 39 1.7 43 2.1 47 2.3 51 2.629.7 33 2.0 38 2.2 42 2.6 46 3.0 50 3.438 32 2.5 37 2.8 41 3.3 45 3.7 49 4.0

1000 RPM 1100 RPM 1200 RPM 1300 RPM 1400 RPMPSI GPM HP GPM HP GPM HP GPM HP GPM HP0 2.4 .02 2.6 .02 3.0 .03 3.2 .04 3.5 .04140 2.3 .3 2.5 .3 2.9 .4 3.0 .5 3.2 .5210 2.2 .4 2.4 .4 2.8 .5 2.9 .6 3.1 .6275 2.1 .5 2.3 .5 2.5 .6 2.8 .7 3.0 .8BAR L/M W L/M W L/M W L/M W L/M W0 9.4 134 10.3 156 11.3 224 12.2 291 13.2 3069.8 9.0 216 9.8 231 10.7 298 11.5 365 12.5 38014.7 8.6 291 9.4 306 10.2 372 11.0 440 12.0 45519.6 8.2 365 9.0 380 9.8 447 10.6 522 11.8 596

Model 9910-D12GRGI Model 9910-D503

450 RPM 550 RPM 650 RPM PSI GPM HP GPM HP GPM HP50 4.2 .33 5.1 .43 6 .53100 4.1 .37 5 .47 5.9 .57150 4 .4 4.9 .5 5.8 .6200 3.8 .5 4.7 .6 5.5 .8275 3.6 .6 4.5 .8 5.3 1BAR L/M W L/M W L/M W 3.5 15.8 245 19.2 320 22.7 395 7 15.4 275 18.8 350 22.3 42510.5 15.2 300 18.6 375 22 44514 14.5 375 17.8 445 21 59519.3 13.8 445 17 595 20 745

Model 9910-D252Model 9910-D303 & 9910-D30AP-A

350 RPM 450 RPM 550 RPMPSI GPM HP GPM HP GPM HP50 6 .4 7.9 .8 9.5 1.6100 5.9 .9 7.8 1.3 9.3 2200 5.7 1.3 7.5 1.8 9.1 2.5300 5.5 1.6 7.4 2.2 9 2.8400 5.3 2.2 7.1 2.8 8.7 3.6550 5 2.7 6.9 3.4 8.45 4.2BAR L/M W L/M W L/M W 3.5 23 300 30 600 36 1190 7 22.5 670 29.5 970 35.2 149014 21.5 970 28.5 1340 34.5 186021 21 1190 28 1640 34 209028 20 1640 27 2085 33 268038.5 19 2012 26 2535 32 3130

Performance Charts

350 RPM 450 RPM 550 RPMPSI GPM HP GPM HP GPM HP50 9.5 .6 11.9 1 14 1.5100 9.3 1 11.7 1.6 13.8 2200 9.1 1.6 11.5 2.3 13.6 3300 9 2 11.4 2.8 13.5 3.5400 8.7 2.7 11 3.5 13.2 4.5550 8.45 3.5 10.8 4.5 12.7 6.5

350 RPM 450 RPM 550 RPMBAR L/M W L/M W L/M W 3.5 36 450 45 745 53 1120 7 35.2 745 44.2 1190 52.3 149014 34.5 1190 43.5 1715 51.5 223521 34 1490 43 2090 51 261028 33 2010 42 2610 50 335038.5 32 2610 41 3350 48 4840

Model 9910-D50 and 9910-D50AP-A

350 RPM 450 RPM 500 RPM 550 RPMPSI GPM HP GPM HP GPM HP GPM HP0 5.0 0.4 6.1 0.5 6.4 0.6 7.9 0.7

290 4.0 0.8 5.3 1.0 5.8 1.2 7.1 1.3435 3.9 1.2 5.2 1.5 5.7 1.7 6.7 1.9580 3.9 1.5 5.2 1.9 5.6 2.1 6.6 2.4

Model 9910-D303

350 RPM 450 RPM 500 RPM 550 RPMBAR L/1' HP L/1' HP L/1' HP L/1' HP

0 18.8 0.4 23.0 0.5 24.3 0.6 30 0.720 15.0 0.8 19.9 1.0 21.9 1.2 26.9 1.330 14.8 1.2 19.6 1.5 21.4 1.7 25.5 1.940 14.7 1.5 19.5 1.9 21.3 2.1 25.1 2.4

Model 9910-D403350 RPM 450 RPM 500 RPM 550 RPM

PSI GPM HP GPM HP GPM HP GPM HP0 6.3 0.7 8.1 1.0 9.0 1.1 10.6 1.2

290 6.1 1.3 7.7 1.7 8.7 1.9 9.8 2.1435 6.0 1.9 7.7 2.4 8.6 2.7 9.7 2.9580 5.9 2.3 7.7 2.8 8.6 3.4 9.5 3.8

350 RPM 450 RPM 500 RPM 550 RPMBAR L/1' HP L/1' HP L/1' HP L/1' HP

0 24.0 0.7 30.8 1.0 33.9 1.1 40 1.220 23.0 1.3 29.3 1.7 33.0 1.9 37.2 2.130 22.8 1.9 29.1 2.4 32.7 2.7 36.6 2.940 22.5 2.3 29.0 2.8 32.4 3.4 36.1 3.8

13

Replacement Parts

Figure 13

Ref. PartNo. Number Description Qty.22 9910-480440 O-Ring 435 9910-800520 Ring Nut 239 9910-800540 Plug 140 9910-800400 Valve Body 141 9910-550331 Washer 242 9910-801080 Bolt 243 9910-800430 Valve 145 9910-800500 Ring Nut 146 9910-800510 Knob 147 9910-390330 Pin 148 9910-800560 O-Ring 149 9910-800490 Positioning Rod 150 9910-800530 Hose Barb (Outlet) 151 9910-800670 Hose Barb (Inlet) 152 9910-800680 Ring Nut 153 9910-740290 O-Ring 1

Ref. PartNo. Number Description Qty.54 9910-800480 ATM Scale Adhesive 156 9910-800440 Lower Spring Guide 157 9910-800450 Spring 158 9910-800460 Upper Spring Guide 159 9910-800470 Adjustment Knob 160 9910-480550 Retaining Ring 2

105 9910-800692 Flange 1 106 9910-880280 Bolt 2 109 9910-KIT1990 Complete Relief Valve Ass'y. 1

9910-KIT1990

.feR.oN

noitpircseDeuqroTgninethgiT

.sbL.nI mN24 tloB 4.171 6.91601 tloB 4.171 6.91

9910-KIT1990 also includesRef. No. 22, 41, and 42

14

9910-KIT1741 Remote Mounting KitIncludes mounting bracket andhose barb shown above.

9910-GS40GI Control Unit

BypassHose Barb — Connect

directlyto tankwithoutrestrictionsor ball valves.

Figure 14

Ref. PartNo. Number Description Qty. 831 9910-320433 Relief Valve Poppet Retainer 1 841 9910-320511 Gasket Seal O-Ring 1 851 9910-390140 Tension Spring Guide/Seal 186 9910-550460 Hose Barb 1/2" 187 9910-550450 Barb Nut 189 9910-180101 O-Ring 290 9910-550440 Threaded Adapter 191 9910-320410 Tension Spring Housing 192 9910-320480 Pin 193 9910-320460 Lever Guide 194 9910-320470 Pressure Release Lever 195 9910-320490 Locking Clip 196 9910-320450 Pressure Adjustment Nut 197 9910-320440 Threaded Guide 198 9910-10190 Tension Spring 198 9910-620810 Tension Spring (opt.)

(under 100 psi) 1

Ref. PartNo. Number Description Qty. 99 9910-230120 Tension Spring Retainer 1100 9910-320406 Remote Discharge

Mounting Bracket 1101 9910-450145 Discharge Flange Housing 1102 9910-110130 1/2" Hose Barb & Nut--3/8" 1

9910-110131103 9910-160660 Bolt (M8 X 35) 2104 9910-390270 Nut 2105 9910-620220 Relief Valve Body 1106 9910-130492 Ball Valve 2107 9910-130171 Plug 11091 9910-450110 Spring Holder 1110 9910-550350 O-Ring 1111 9910-550545 Pressure Gauge (Oil Filled) 1112 9910-180370 Bolt (M8 X 25) 21131 9910-320420 Tension Spring 11141 9910-110122 Relief Valve Seat (Viton) 11141 9910-110121 Relief Valve Seat (Urethane) 1

REPAIR & MAINTENANCE KIT AVAILABLE1 Control Unit Parts Kit No. 9910-KIT1757 consists of: Ref. 83 (1 ea.)Relief Valve Poppet Retainer, Ref. 84 (1 ea.) Gasket Seal O-Ring, Ref.85 (1 ea.) Tension Spring Guide, Ref. 109 (1 ea.) Spring Holder, Ref.113 (1 ea.) Tension Spring, Ref. 114 (1 ea.) Relief Valve Seat.

9910-GS40GI Control Unit

.feR.oN


.sbL.nI mN301 tloB 4.171 6.91401 tuN 4.171 6.91701 gulP 4.171 6.91211 tloB 4.171 6.91

15

The 9910-KIT1897 remote mountingkit includes a mounting bracket andhose barbs as pictured at right.

Model 9910-RM40 Diaphragm Pump Control Unit

Figure 14

Ref. PartNo. Number Description Qty. 1 9910-550460 Hose Barb 1/2" 1 3 9910-550450 Hose Barb Nut 14 9910-390180 O-Ring 45 9910-550545 Gauge 16 9910-1040690 Retaining Clip 19 9910-1150520 Valve Seat 2

10 9910-680560 Bolt 111 9910-1040640 Valve Poppet 112 9910-1040630 Diaphragm 113 9910-880830 O-Ring 514 9910-1040620 Piston 115 9910-1150560 Spacer 116 9910-1150600 Retaining Ring 217 9910-1150540 Pin 118 9910-1150510 Adjustment Body 120 9910-780330 Bolt 421 9910-1150530 Bypass Ring 122 9910-394760 Spring 123 9910-1150550 Adjustment Knob 1

Ref. PartNo. Number Description Qty.24 9910-1150570 Spring Retainer 126 9910-130492 Ball Valve Assy. 1/2" Hose Barb 227 9910-130171 Plug 128 9910-1150500 Body-RM40 129 9910-1150590 Mounting Bracket 130 9910-390311 Washer 231 9910-180431 Bolt 132 9910-1040770 Inlet Adapter 133 9910-110130 Hose Barb 1/2" 234 9910-1040950 Cotter Pin 135 9910-1150580 Barb 236 9910-1040760 Outlet Adapter 137 9910-1040790 Nut 238 9910-1150650 Bolt 139 9910-480550 Retaining Ring 140 9910-1040950 Cotter Pin 141 9910-1150660 Spacer 1

16

9910-GR40 Diaphragm Pump Control Unit

Figure 15

1

2

3

4

5

6

717

20

18

19

161513

1412

11

1510 9

19

18

17 23

26

22

21

27

14

24

2025

Ref. PartNo. Number Description Qty.1 9910-1880220 Adjustment Knob 12 9910-1880210 Ring Nut 13 9910-1880270 Spring 14 9910-480440 O-Ring 15 9910-1880240 Pin 16 9910-1880230 Jet 17 9910-1880260 O-Ring 18 9910-1880200 Valve Body 19 9910-1880290 Pressure Gauge 1

10 9910-1880250 Pipe Reducer 111 9910-390311 Washer 212 9910-680360 Bolt 213 9910-130491 Ball Valve 2

141 9910-110131 Hose Fitting 215 9910-740290 O-Ring 216 9910-130171 Plug 4171 9910-880830 O-Ring 1181 9910-550460 Elbow 1191 9910-550450 Ring Nut 1 201 9919-1140450 O-Ring 1

1 Denotes 9910-KIT893 Items

9910-KIT893Ref. PartNo. Number Description Qty.141 9910-110131 Hose Fitting 2171 9910-880830 O-Ring 1181 9910-550460 Elbow 1191 9910-550450 Ring Nut 1 201 9919-1140450 O-Ring 1 211 9910-1880310 Bolt 2 221 9910-450145 Flange 1 231 9910-550350 O-Ring 1 241 9910-320406 Bracket 1 251 9910-390270 Nut 226 9910-110130 Hose Fitting 127 9910-130492 Ball Valve 1

.feR.oN


.sbL.nI mN21 tloB 5.78 8.961 gulP 5.78 8.9

9910-KIT893Supplemental Mounting Kit

9910-GR40

8

17

Ref. PartNo. Number Description Qty.1 9910-620561 O-Ring 12 9910-180030 Bolt 13 9910-621000 Pump Adapter Flange 14 9910-620990 Bearing 15 9910-620980 Gear 16 9910-200231 Lock Washer 67 9910-160671 Bolt 1" Long (D50) 37 9910-620470 Bolt 3/4" Long (D30) 38 9910-620960 Gearbox Body 19 9910-880530 Plug 3

10 9910-740290 O-Ring 311 9910-540290 Bolt 412 9910-621010 Bolt 413 9910-1260480 Vent Plug 114 9910-650400 Pinion Gear 115 9910-320240 Retaining Ring (Ext.) 216 9910-961780 Bearing 117 9910-961790 Retaining Ring (Int.) 118 9910-961800 Seal 119 9910-651000 Bolt 420 9910-961900 Bolt 421 9910-1320940 Engine Adapter Flange 122 9910-961770 Spacer 423 9910-650990 Key 124 9910-620950 Gasket 1

Figure 16

2

1

3

5

67

2010

9

81312

109

10911

414

1516

1517

18

19

Gearbox 9910-KIT1640 Ref. PartNo. Number Description Qty.1 9910-620561 O-Ring 12 9910-180030 Bolt 13 9910-621000 Pump Adapter Flange 14 9910-620990 Bearing 15 9910-620980 Gear 16 9910-200231 Lock Washer 67 9910-620470 Bolt 38 9910-620960 Gearbox Body 19 9910-880530 Plug 2

10 9910-740290 O-Ring 211 9910-651000 Bolt 412 9910-621010 Bolt 413 9910-1260480 Vent Plug 114 9910-620970 Pinion Gear 115 9910-320240 Retaining Ring (Ext.) 216 9910-961780 Bearing 117 9910-961790 Retaining Ring (Int.) 118 9910-961800 Seal 119 9910-881090 Key 120 9910-620950 Gasket 1

.feR.oN


.sbL.nI mN2 tloB 7.812 5.427 tloB 4.171 6.919 gulP 4.171 6.9111 tloB 7.812 5.4221 tloB 7.812 5.42

Figure 17

2

Gearbox 9910-KIT1642

.feR.oN


.sbL.nI mN2 tloB 7.812 5.427 tloB 4.171 6.919 gulP 4.171 6.9111 tloB 7.812 5.4221 tloB 7.812 5.4291 tloB 7.812 5.4202 tloB 7.812 5.42

1

35

67

109

11

24

9108

1312

23

22

21

10

9

414

15161517

18

1920

18

Ref. PartNo. Number Description Qty.1 9910-380200 Pump Base 22 9910-380210 M8 x 75 Socket Head Cap Screw 23 9910-380240 Nut 2

4 9910-380241 Lock Washer 25 9910-620240 Male 6-Spline 13/8" PTO Shaft 16 9910-620470 M10 x 20 Socket Head Cap Screw 37 9910-200231 Lock Washer 4

9910-KIT1702

67

Figure 21

9910-KIT1703

67


4 9910-380241 Lock Washer 25 9910-621600 1" Solid Keyed PTO Shaft 16 9910-620470 M10 x 20 Socket Head Cap Screw 37 9910-200231 Lock Washer 4

Figure 20

9910-KIT1706


4 9910-320131 Lock Washer 25 9910-620240 Male 6-Spline 13/8" PTO Shaft 16 9910-540300 M10 x 30 Socket Head Cap Screw 37 9910-200231 Lock Washer 4

67

Figure 19

Ref. PartNo. Number Description Qty.1 9910-160671 Socket Head Cap Screw 32 9910-200231 Lock Washer 33 9910-621600 1" Solid Keyed Shaft 1

9910-KIT2202

1

3

2

Figure 22

Ref. PartNo. Number Description Qty.1 9910-160671 Socket Head Cap Screw 32 9910-200231 Lock Washer 33 9910-620240 Shaft 1

9910-KIT2200

1

3

2

Figure 18

9910-KIT1707

67


4 9910-380241 Lock Washer 25 9910-620240 1" Solid Keyed PTO Shaft 16 9910-620470 M10 x 20 Socket Head Cap Screw 37 9910-200231 Lock Washer 4

Figure 23

19

9910-KIT1704

Ref. PartNo. Number Description Qty.3 9910-320130 Nut 2

56 9910-500160 Clamp 157 9910-620270 Flanged Female Splined Shaft 158 9910-650340 Chain Clip 3

59 9910-650360 Chain (450 mm) 160 9910-540300 M10 x 30 Socket Head Cap Screw 361 9910-200231 Lock Washer 762 9910-620340 M10 x 20 Hex Head Bolt 463 9910-650350 PTO Bracket 164 9910-650380 Torsion Spring 165 9910-650361 Chain (320 mm) 171 9910-320170 M12 x 75 Bolt 172 9910-500171 Lock Retaining Washer 1

105A 2840-0028 Steel Safety Shield (Std.) 1 105B 9910-15000350 Plastic Safety Shield (Opt.) 1

106 2270-0004 Washer 2112 9910-320630 Bolt 1113 9910-320620 Washer 1114 9910-320610 Wing Nut 1

Figure 24

106

105

58

5859

58112113114

65

64

63

71

69

72

56 3 6061

62 61

57

9910-KIT2204

Ref. PartNo. Number Description Qty.2 9910-160671 M10 x 25 Socket Head Cap Screw 33 9910-200231 Washer 10

10 9910-620470 M10 x 20 Socket Head Cap Screw 321 9910-650380 Spring 123 9910-620340 M10 x 20 Hex Head Bolt 4

24 9910-620270 Shaft 127 9910-320630 Tie Rod 128 9910-320620 Washer 129 9910-320610 M10 Wing Nut 131 9910-320131 Washer 132 9910-320130 M12 Nut 133 9910-650350 Pump Bracket 134 9910-320170 M12 x 75 Hex Head Bolt 135 9910-500171 Washer 136 9910-500160 Clamp 137 9910-320640 Chain 138 9910-650340 Chain Hook 339 9910-320641 Chain 1

Figure 25

106

105

38

3837

38272829

39

21

33

34

31

35

36 32 23

23 3

2410

3

20

Model 9910-D12GRGI Diaphragm Pumps

Figure 26

GEAR BOX ASSEMBLY

NOTE: When ordering parts, giveQUANTITY, PART NUMBER,DESCRIPTION, and COMPLETEMODEL NUMBER. Referencenumbers are used ONLY toidentify parts in the drawing andare NOT to be used as ordernumbers.

Bypass Hose BarbConnect directly to tankwithout restrictions orball valves.

21

Ref. PartNo. Number Description Qty.1 9910-1200700 Valve Stem 12 9910-1080190 O-Ring 13 9910-1200361 Adjustment Knob 14 9910-395260 Retaining Ring 15 9910-1200371 Seat Retainer 16 9910-480440 O-Ring 57 9910-1200690 O-Ring 18 9910-1200380 Valve Seat 19 9910-1200390 Regulator Stem 1

10 9910-1200410 Seal 111 9910-1200420 Spring 112 9910-800540 Plug 113 9910-800531 Hose Barb 3/8" 214 9910-800520 Hose Barb Nut 215 9910-1200330 Hose Barb Nut 116 9910-1200340 Hose Barb 1/2" 417 9910-390080 O-Ring 118 9910-1200440 Bolt 219 9910-1200400 Control Unit Body 1

201, 9919-880840 O-Ring 621 9910-180030 Bolt 422 9910-1200230 Pulsation Dampener Cover 1

231, 9910-1200190 Pulsation Dampener Diaphragm 124 9910-1200010 Body (D12) 125 9910-800340 Hose Barb 126 9910-550450 Hose Barb Nut 127 9910-390180 O-Ring 128 9910-1200220 Connecting Ring 330 9910-1200110 Cylinder Sleeve 231 9910-1200086 Diaphragm, Desmopan (Std.) 2

311 9910-1200080 Diaphragm, Buna-N (Opt.) 232 9910-1200300 Washer 233 9910-1200090 Bolt 2

39 2 9910-394280 O-Ring 540 9910-1200100 Head 241 9910-800410 Bolt 842 9910-1200310 Bearing 143 9910-1200160 Spacer 144 9910-1200130 Wrist Pin 2

1 Denotes Diaphragm 9910-KIT18822 Denotes Valve 9910-KIT1992

Ref. PartNo. Number Description Qty.45 9910-1200120 Piston 246 9910-1200170 Connecting Rod 247 9910-1200170 Shaft 148 9910-1200450 Key 149 9910-1200180 Bearing 150 9910-1200150 Thrust Ring 151 9910-1200200 Seal 152 9910-1200351 Valve Disc 153 9910-1200280 Air Valve/O-Ring Assembly 155 9910-1200710 Retaining Ring 190 9910-KIT1994 Regulator Assembly 1

912 9910-1209050 Valve Assembly 292 9910-801060 Adapter Opt.93 2641-0005 Gauge Opt.94 9910-1200850 Adapter 199 9910-1200860 Hose Barb 1/2" Elbow 1

100 9910-1200890 O-Ring 1101 9910-881660 Seal 1102 9910-881670 Retaining Ring 1103 9919-881090 Key 1104 9910-1201000 Body-Gearbox 1105 9910-880130 Dipstick 1106 99101200030 Plug 1107 9910-394280 O-Ring 1

1081 9910-880840 O-Ring 2109 9910-320242 Retaining Ring 1110 9910-881650 Bearing 1111 9910-1201030 Pinion Gear 5/8" Hollow 1112 9910-620440 Bolt 4113 9910-620301 Plug 1114 9910-1200980 O-Ring 1115 9910-1201010 Gear 1116 9910-1200450 Key 1117 9910-780330 Bolt 2118 9910-1200650 3/8" Flange (Optional) 1119 9910-1040370 Bolt (Optional) 2123 9910-880330 Oil Reservoir Plug 1124 9910-1201100 Oil Reservoir 1125 9910-770140 O-Ring 1

.feR.oN


.sbL.nI mN71 tloB 5.78 8.912 tloB 7.812 5.4233 tloB 5.78 8.914 tloB 5.78 8.9211 tloB 7.812 5.42711 tloB 7.812 5.42121 tloB 5.78 8.9

Diaphragm Kit9910-KIT1882

Ref Qty.No.20 623 131 2

108 1

Valve Kit9910-KIT1992

Ref Qty.No.39 591 2

22

Model 9910-D252, D252-GRGI 3/4, & D252-GRGI 5/8

4543

54

Ref. Part Qty.No. Number Description Req'd.

4 9910-620301 Plug 212 9910-390440 Nut 480 9910-800280 Gear 1

101 9910-800810 Driver Gear, 3/4" Shaft Only 1101 9910-801230 Driver Gear, 5/8" Shaft Only 1

02 9910-800820 Body 1103 9910-800800 Locating Bolt 1104 9910-480820 Seal 1105 9910-620440 Bolt 4

.feR.oN


.sbL.nI mN4 gulP 5.78 8.9

501 tloB 0.571 6.91

127

Figure 27

GRGI Models only

23

53 9910-800380 O-Ring 16 9910-800020 Flange 17 9910-800172 3/4˝ Solid Shaft 18 9910-800160 Spacer 1

12 9910-390440 Nut 415 9910-800200 Seal 116 9910-800180 Roller Bearing 117 9910-550330 Stud 418 9910-800120 Piston 219 9910-800140 Connecting Rod 220 9910-800130 Piston Pin 221 9910-480370 Roller Bushing 1

223 9910-480440 O-Ring 523 9910-680360 Bolt 124 9910-800220 Bolt 727 9910-800090 Diaphragm Pin 227 9910-800091 Diaphragm Pin 228 9910-800350 Plate 2

311 9910-800085 Diaphragm Buna-N 231 9910-80008T Diaphragm Teflon (optional) 131 9910-800080 Diaphragm (Buna) 232 9910-800110 Sleeve 2

333 9910-740290 O-Ring 134 9910-801960 Oil Tank 135 9910-800520 Ring Nut 2

363 9910-390180 O-Ring 137 9910-550450 Ring Nut 138 9910-800340 Hose Barb (Inlet) 139 9910-800540 Plug 140 9910-800400 Valve Body 141 9910-550331 Washer 242 9910-801080 Bolt 243 9910-800430 Valve 145 9910-800500 Ring Nut 146 9910-800510 Knob 147 9910-390330 Pin 1

483 9910-800560 O-Ring 149 9910-800490 Positioning Rod 150 9910-800530 Hose Barb (Outlet) 151 9910-800670 Hose Barb (Bypass) 152 9910-800680 Ring Nut 1

533 9910-740290 O-Ring 154 9910-800480 ATM Scale Adhesive 156 9910-800440 Lower Spring Guide 157 9910-800450 Spring 1

Ref. PartNo. Number Description Qty.

.feR.oN


.sbL.nI mN32 tloB 0.571 6.9142 tloB 0.571 6.9172 niPmgarhpaiD 0.571 6.9124 tloB 5.78 8.976 tloB 8.002 5.22601 tloB 5.78 8.9011 tloB 0.571 6.91311 tloB 5.78 8.9521 ylbmessAevlaV 2.131 7.41

Ref. PartNo. Number Description Qty.

58 9910-800460 Upper Spring Guide 159 9910-800470 Adjustment Knob 160 9910-480550 Retaining Ring 161 9910-800010 Pump Body 162 9910-550056 Oil Tank Cap 163 9910-800190 Accumulator Diaphragm (Viton) 163 9910-80019T Accumulator Diaphragm (Teflon) 164 9910-800230 Upper Air Chamber 165 9910-800650 Valve 167 9910-540290 Bolt 468 9910-800390 Handle 1703 9910-800210 O-Ring 2104 9910-550460 Elbow 2105 9910-800692 Flange 1106 9910-880280 Bolt 2107 9910-800590 Key 1108 9910-800171 Shaft "GR-Version" 1110 9910-180431 Bolt 2111 9910-380241 Washer 2112 9910-800311 Pulley Base 1113 9910-320350 Bolt 4124 9910-801940 Head 2

1252 9910-809060 Valve Assembly 4 1262,3 9910-880830 O-Ring 4 1273 9910-550040 O-Ring 1

1 Denotes Diaphragm Kit 9910-KIT19272 Denotes Valve Kit 9910-KIT24083 Denotes O-Ring Kit 9910-KIT2409


Ref Qty.No.31 2


Ref Qty.No.125 4126 4

O-Ring Kit9910-KIT2409

Ref Qty.No.5 122 533 436 148 153 170 1

126 4127 1

24

Model 9910-D30, D30AP-A, D30-GRGI, & D30-B-GRGI Diaphragm Pumps

Figure 28

NOTE: When ordering parts, giveQUANTITY, PART NUMBER,DESCRIPTION, and COMPLETEMODEL NUMBER. Referencenumbers are used ONLY to identifyparts in the drawing and are NOT tobe used as order numbers.

25

Ref. PartNo. Number Description Qty.1 9910-629010 Pump Body 12 9910-620101 Right Head Assembly 13 9910-620102 Left Head Assembly 14 9910-320130 M12 Nut 85 9910-620080 Diaphragm, Buna-N (Opt.) 25 9910-620081 Diaphragm, Viton (Opt.) 25 9910-620085 Diaphragm, Desmopan (Std.) 26 9910-620120 Piston 27 9910-620140 Connecting Rod 28 9910-620110 Sleeve 29 9910-580130 Retainer Ring 2

10 9910-380300 Connecting Rod Pin 211 9910-380080 Ring Pin 412 9910-160230 Piston Ring 214 9910-1040180 Retaining Washer 215 9910-580360 Diaphragm Bolt 216 9910-180150 Nut 2

182,3 9910-620030 O-Ring 418 9919-620031 O-Ring (Viton) 4192 9910-1409050 Complete Valve Assembly 420 9910-111120 Retaining Ring 221 9910-620020 Cover 1

223 9910-620210 O-Ring 123 9910-620291 Retaining Ring 124 9910-620191 Bearing 125 9910-850850 M6 X 30 Bolt 226 9910-550331 Washer 2

283 9910-180101 O-Ring 229 9910-550030 Oil Sight Glass 1

303 9910-550040 O-Ring 131 9910-550056 Oil Sight Glass Cap 132 9910-620160 Spacer 133 9910-550060 Roller Bearing 134 9910-620130 Seal 135 9910-620330 Retaining Ring 136 9910-620170 "SP" Shaft 137 9910-620150 Suction Manifold 138 9910-550340 Threaded Adapter 1

393 9910-550350 O-Ring 240 9910-550242 Ring Nut 141 9910-550370 Hose Barb 1

423 9910-390060 O-Ring 444 9910-621780 M8 X 40 Bolt 845 9910-629211 Upper Air Chamber 1


Ref. PartNo. Number Description Qty.46 9910-550190 Accumulator Diaphragm, Teflon (Opt.) 146 9910-550191 Accumulator Diaphragm, Viton (Std.) 147 9910-619209 Complete Lower Air Chamber 1

493 9910-650542 O-Ring 150 9910-180020 Air Valve 1

513 9910-390290 O-Ring 152 9910-620680 Key (AP-A Model) 153 9910-620172 Thru-Shaft 20 mm Dia. "AP Version" 153 9910-620174 Thru-Shaft 3/4" Dia. "AP Version" 158 9910-620630 Seal Ring 159 2641-620021 Cover 160 9910-650660 Diaphragm Holder 161 9910-650670 Suction Diaphragm 162 9910-650690 Clamp 163 9910-1500350 Cardan Protection 164 9910-820670 M10 X 16 Bolt 465 9919-620190 Bearing 166 9910-880530 Plug 1

673 9910-740290 O-Ring 168 9910-620930 Spacer 169 9910-620940 Spacer 170 9910-380230 Bearing 174 9910-390270 Nut 275 9910-450145 Flange 176 9910-110130 1/2" Fitting plus Hose Barb 1

.feR.oN


.sbL.nI mN4 tuN 7.393 1.4451 niPmgarhpaiD 5.262 4.9261 tuN 0.053 2.9352 tloB03X6M 5.78 8.944 tloB04X8M 0.571 6.9146 tloB61X01M 5.78 8.947 tuN 0.571 6.91


Ref Qty.No.5 2


Ref Qty.No.18 419 4


Ref Qty.No.18 422 128 230 139 242 449 151 167 1

26

Parts Models 9910-D303, D303-GRGI, D403, & D403-GRGI

49

48

50

51

52

50

51

53

54

55

53

55

58

60

57 59

58

UN970255-LJ

62

62

VersioneVersion SP

22 21 20

19 18 18

16 15 14

10

13

11

12

UN970258-LJ

1

2

3

4

5

6

9

8 78

UN970257-LJ


Figure 29

27

Ref. PartNo. Number Description Qty.1 9910-800090 Diaphragm Pin 32 9910-800350 Plate 3

31 9910-800080 Diaphragm, Buna-N (Opt.) 33 9910-800085 Diaphragm, Desmopan (Std.) 33 9910-800086 Diaphragm, Viton (Opt.) 24 9910-1880051 Sleeve (D303) 34 9910-1880050 Sleeve (D403) 35 9910-1880110 Piston Ring 36 9910-1880060 Piston 37 9910-1880120 Piston Pin 38 9910-380080 Pin Ring 69 9910-1880070 Connecting Rod 3

10 9910-1880101 "SP" Shaft (D303) 110 9910-1880100 "SP" Shaft (D403) 111 9910-1500350 Guard 112 9910-900270 Washer 413 9910-820670 M10 X 16 Bolt 414 9910-620330 Retaining Ring 115 9910-620130 Seal Ring 116 9910-550060 Roller Bushing 117 9910-1880190 Seal Ring 118 9919-1880180 Connecting Rod Ring 219 9910-1880170 Spacer 120 9910-111120 Retaining Ring 121 9910-1461430 Bearing 122 9910-620291 Retaining Ring 125 9910-780060 M6 X 25 Bolt 327 9910-1880020 "C/SP" Suction Manifold 1

283 9910-390290 O-Ring 129 9910-550340 Threaded Adapter 1

Ref. PartNo. Number Description Qty.303 9910-550350 O-Ring 231 9910-550242 Ring Nut 132 9910-550370 Elbow (Hose Barb) 1

333 9910-390201 O-Ring 1 343 9910-1880130 O-Ring 1 353 9910-390180 O-Ring 136 9910-550331 Washer 237 9910-1200440 M6 X 30 Bolt 238 9910-1040310 Oil Tank 139 9910-650920 O-Ring 140 9910-1040322 Black Oil Tank Cap (D303) 140 9910-1040320 Red Oil Tank Cap (D403) 141 9910-881940 M8 X 25 Bolt 242 9910-450145 Flange 144 9910-110130 1/2" Fitting and Hose 148 9910-800860 M8 X 55 Bolt 1249 9910-1880030 Head 3

502 9910-1889050 Complete Valve Assembly 6 512,3 9910-1140450 O-Ring 9

52 9910-1880010 Pump Body 1 533 9910-1260420 O-Ring 1254 9910-280080 M8 X 60 Bolt 355 2641-1880040 Right Valve Cover 3

573 9910-740290 O-Ring 258 9910-880530 Plug 159 9910-1880080 Right Base 160 9910-1880090 Left Base 161 9910-620680 Key 1

.feR.oN


.sbL.nI mN1 niPmgarhpaiD 5.78 8.931 tloB 5.78 8.932 tloB 5.78 8.952 tloB 5.78 8.973 tloB 5.78 8.914 tloB 0.571 6.9184 tloB 0.571 6.9145 tloB 0.571 6.9185 gulP 0.571 6.91



Ref Qty.No.3 3


Ref Qty.No.50 651 9


Ref Qty.No.28 130 233 134 135 139 151 953 1257 2

28

Models 9910-D50, D50AP-A, & D50-B

Figure 30

29

Ref. PartNo. Number Description Qty.1 9910-650010 Pump Body 12 9910-650102 Left Head Assembly 13 9910-320130 Nut 104 9910-650101 Right Head Assembly 15 9910-160311 Lock Nut 26 9910-650390 Retaining Washer 2

73 9910-650085 Diaphragm (Desmopan) (Std.) 2 72 9910-650082 Diaphragm (Buna-N) (Opt.) 27 9910-65008T Diaphragm (Teflon) (Opt.) 28 9910-650090 Diaphragm Support Washer 29 9910-659080 Lock Nut & Retaining Nut Assy. 210 9910-650190 Piston Ring 212 9910-650121 Piston 213 9910-650071 Connecting Rod Pin 214 9910-160691 Retainer Ring 415 9910-650142 Connecting Rod 216 9910-650130 Retainer Ring 217 9910-650111 Piston Sleeve 218 9910-200390 Retainer Ring 119 9910-650046 Oil Seal Cap 120 9910-650920 Gasket Ring 121 9919-650480 Retainer Ring 122 9910-230330 Ball Bearing 123 9910-161050 Retainer Ring 124 9910-390440 Nut 225 9910-550331 Washer 226 9910-650030 Oil Sight Glass 1271 9910-180101 O-Ring 1281 9910-550040 O-Ring 529 9910-550056 Cap for Sight Glass 130 9910-650160 Spacer Washer 131 9910-650200 Roller Bearings 132 9910-1400150 Seal 133 9910-650170 Crankshaft 134 9910-1400140 Flange Cover 1

364 9910-659050 Check Valve Assembly 4 371,2,3,4 9910-320030 O-Ring 4

Ref. PartNo. Number Description Qty.37 9910-1880130 O-Ring 138 9910-659204 Accumulator Manifold 1

392,3 9910-650520 Accumulator Diaphragm 139 9910-65052T Accumulator Dia., (Teflon) (Opt.) 140 9910-650230 Accumulator Head 141 9910-180020 Air Valve 1

421 9910-650542 O-Ring 143 9910-380250 M8 X 45 Bolt 1044 9910-390270 Nut 10451 9910-390290 O-Ring 146 9910-650150 Manifold 147 9910-450120 Threaded Adapter 1481 9910-390290 O-Ring 149 9910-580060 Barb Nut 150 9910-580040 1-1/4" Hose Barb 151 9910-650250 Key 152 9910-650171 Crankshaft 1" Thru-Shaft (AP-A) 172 9910-500171 Lock Retaining Washer 176 9910-390270 Nut 2

781 9910-550350 O-Ring 1101 9910-450145 Discharge Flange Housing 1101 9910-450146 Dis. Flg. Hsg. (1/2" NPT, Straight) 1102 9910-110130 Hose Barb & Nut 1

105A 2840-0028 Steel Safety Shield 1 105B 9910-1500350 Durable Plastic Shield (Opt.) 1106 2270-0004 Washer 2

1081 9910-180101 O-Ring 1109 9910-650660 Dampener Body 1110 9910-650670 Dampener Diaphragm 1111 9910-650690 Clamp 1115 9910-650290 Bolt 4116 9910-650041 Spacer (AP-A Model) 1117 9910-650490 Seal (AP-A Model) 1118 9910-0022 Name Plate (Not Shown) 1119 9910-130171 Drain Plug 1120 9910-1400110 Flange 1

.feR.oN


.sbL.nI mN1 niPmgarhpaiD 5.78 8.931 tloB 5.78 8.932 tloB 5.78 8.952 tloB 5.78 8.973 tloB 5.78 8.914 tloB 0.571 6.9184 tloB 0.571 6.9145 tloB 0.571 6.9185 gulP 0.571 6.91

Diaphragm Kit(Buna-N)

9910-KIT2111Ref Qty.No.7 237 439 1


Ref Qty.No.27 128 537 442 145 148 178 1

108 1

1 Denotes O-Ring Kit 9910-KIT19192 Denotes Diaphragm Kit (Buna-N) 9910-KIT21113 Denotes Diaphragm Kit (Desmopan) 9910-KIT17254 Denotes Valve Kit 9910-KIT1920


Ref Qty.No.36 437 4

Diaphragm Kit(Desmopan)

9910-KIT1725Ref Qty.No.7 2

37 439 1

30

Model 9910-D503, & D503-GRGI Diaphragm Pumps

Figure 31


31

Ref. PartNo. Number Description Qty.1 9910-580360 Retaining Bolt 32 9910-1040180 Washer 33 9910-620085 Diaphragm, Desmopan (Opt.) 3

31 9910-620080 Diaphragm, Buna-N (Std.) 33 9910-62008T Diaphragm, Buna-N with 3

Teflon Coating (Opt.)4 9910-1300110 Piston Sleeve 35 9910-160230 Seal Ring 36 9910-620120 Piston 37 9910-380300 Connecting Pin 38 9910-380080 Retaining Ring 39 9910-1300140 Connecting Rod 3

10 9910-1300170 Shaft 111 9910-1300120 Retaining Ring 212 9910-1300240 Retaining Ring 113 9910-1300220 Seal 114 9910-1300210 Bearing 115 9910-1260790 Retaining Ring 116 9910-180400 Bearing 1

173 9910-740290 O-Ring 518 9919-1300020 Manifold Plate 119 9910-1260770 Retaining Ring 120 9910-1300230 Seal 1

213 9910-1300270 O-Ring 1 223 9910-640030 O-Ring 223 9910-880280 Bolt 624 9910-1040370 Bolt 625 9910-1300030 Outlet Manifold 126 9910-1040330 Shield (Opt.) 127 9910-130491 Ball Valve 3/8" Hose Barb Assy. 1

303 9910-390180 O-Ring 231 9910-1040690 Clip 2

343 9910-390290 O-Ring 2


Ref. PartNo. Number Description Qty.35 9910-450120 Port Adapter 136 9910-1300010 Body 137 9910-580060 Hose Barb Nut 138 9910-580040 Hose Barb 139 9910-640230 Bolt 440 9910-640230 Bolt 4

413 9910-480440 O-Ring 642 9910-1300101 Head 243 9910-1300102 Head 1

442 9910-1049050 Valve 6 452,3 9910-620030 O-Ring 6 462,3 9910-540361 O-Ring 6

47 9910-1300190 Valve Retainer 348 2641-540290 Bolt 6.49 9910-750053 Oil Cap 1

503 9910-650920 O-Ring 151 9910-1040310 Oil Sight Glass 152 9910-550331 Washer 253 9910-850850 Bolt 255 9910-130171 Plug 156 9910-770070 Plug 157 9910-1300280 Spacer 258 9910-1300090 Mounting Base 259 9910-1300360 Bolt 460 9910-820670 Bolt 461 9910-1500350 Shield (Opt.) 162 9910-1300160 Thru-Shaft (Opt.) 163 9910-650250 Key 168 9910-650300 1-3/8" 6B Spline Adapter 169 9910-961340 Washer 170 9910-680350 Bolt 171 9910-1040760 Coupling 172 9910-110131 Hose Barb (3/8) 180 9910-1040950 Split Pin 1

.feR.oN


.sbL.nI mN1 tloBgniniateR 6.162 3.9232 tloB 5.78 8.942 tloB 5.78 8.993 tloB 7.393 1.4404 tloB 7.393 1.4484 tloB 0.571 6.9135 tloB 5.78 8.955 tloB 5.78 8.995 tloB 0.571 1.4406 tloB 0.571 6.9107 gulP 0.571 6.91


Ref Qty.No.3 3

41 6


Ref Qty.No.44 645 646 6


Ref Qty.No.

17 621 122 230 334 241 645 646 650 1

Limited Warranty on Hypro Diaphragm Pumps

Printed in the USA2000 Hypro Corporation

Hypro Corporation (“Hypro”) warrants to the original purchaser of its products (the “Purchaser”) that such products will be free fromdefects in material and workmanship under normal use for the period of one (1) year for all products except: oil crankcase plungerpumps will be free from defects in material and workmanship under normal use for the period of five (5) years, and accessories willbe free from defects in material and workmanship under normal use for the period of ninety (90) days. In addition, Hypro warrantsto the purchaser all forged brass pump manifolds will be free from defects in material and workmanship under normal use and fromdamage resulting from environmental conditions for the life of the pump.

“Normal use” does not include use in excess of recommended maximum speeds, pressures, vacuums and temperatures, or userequiring handling of fluids not compatible with component materials, as noted in Hypro product catalogs, technical literature, andinstructions. This warranty does not cover freight damage, freezing damage, normal wear and tear, or damage caused bymisapplication, fault, negligence, alterations, or repair that affects the performance or reliability of the product.

THIS WARRANTY IS EXCLUSIVE. HYPRO MAKES NO OTHER WARRANTY, EXPRESS OR IMPLIED, INCLUDING BUT NOTLIMITED TO ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

Hypro’s obligation under this warranty is, at Hypro’s option, to either repair or replace the product upon return of the entire productto the Hypro factory in accordance with the return procedures set forth below. THIS IS THE EXCLUSIVE REMEDY FOR ANYBREACH OF WARRANTY.

IN NO EVENT SHALL HYPRO BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, WHETHERFOR BREACH OF ANY WARRANTY, FOR NEGLIGENCE, ON THE BASIS OF STRICT LIABILITY, OR OTHERWISE.

Return ProceduresAll pumps or products must be flushed of any chemical (ref. OSHA Section 0910.1200 (d)(e)(f)(g)(h)) and hazardouschemicals must be labeled before being shipped* to Hypro for service or warranty consideration. Hypro reserves the rightto request a Material Safety Data sheet from the Purchaser for any pump or product Hypro deems necessary. Hypro reserves theright to “disposition as scrap” pumps or products returned which contain unknown substances, or to charge for any and all costsincurred for chemical testing and proper disposal of components containing unknown substances. Hypro requests this in order toprotect the environment and personnel from the hazards of handling unknown substances.

For technical or application assistance, call the Hypro Technical/Application number: 1-800-445-8360.To obtain service or warranty assistance, call the Hypro Service and Warranty number: 1-800-468-3428;or call the Hypro Service and Warranty FAX: (651) 766-6618.Be prepared to give Hypro full details of the problem, including the following information:1. Model number and the date and from whom you purchased your pump.2. A brief description of the pump problem, including the following:

• Liquid pumped. State the pH and any non-soluble • Drive type (gas engine/electric motor; direct/belt drive;materials, and give the generic or trade name. tractor PTO) and rpm of pump.

• Temperature of the liquid and ambient environment. • Viscosity (of oil, or other than water weight liquid).• Suction lift or vacuum (measured at the pump). • Elevation from the pump to the discharge point.• Discharge pressure. • Size and material of suction and discharge line.• Size, type, and mesh of the suction strainer. • Type of spray gun, orifice size, unloader/relief valve.

Hypro may request additional information, and may require a sketch to illustrate the problem.Contact the factory to receive a return material authorization before sending the product. All pumps returned for warranty work shouldbe sent shipping charges prepaid to:

HYPRO CORPORATIONAttention: Service Department375 Fifth Avenue NWNew Brighton, Minnesota 55112-3288

*Carriers, including U.S.P.S., airlines, UPS, ground freight, etc., require specific identification of any hazardous materials being shipped. Failure to do so may result in a substantial fine and/or prison term. Check with your shipping company for specific instructions.

Conformance to 89/392/EEC (machine directive),as well as, 73/23/EEC (low voltage)and 89/336/##C (electromagnetic compatibility) as declared in standard EN809.

Medium Pressure Diaphragm Pumps - PumpBiz

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