PC-119-1 - PARTS CATALOG - MODEL IO-720-D1C WIDE ...

Part No. PC-119-1652 Oliver Street

Williamsport, PA 17701

IO-720-D1CWide Cylinder Flange Model

Lycoming Aircraft EnginesParts Catalog

Part No. PC-119-1652 Oliver Street

Williamsport, PA 17701

IO-720-D1CWide Cylinder Flange Model

Lycoming Aircraft EnginesParts Catalog

LYCOMING 10-720-DIC PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE

INTRODUCTION

This illustrated parts catalog contains a complete parts listing for thecylinder flange model aircraft engines.

Lycoming IO-720-D1C wide

Major assembly and sub-assembly parts of the engines are listed in the Group Assembly sections in thegeneral sequence of engine build up.

A Service Kits section and Oversize and Undersize Parts List are included to aid in ordering parts as necessaryduring overhaul.

The Numerical Index is provided for convenience in finding parts when only the part number is known.

Parts coverage of Vendor Accessories used on Lycoming engines may be found in the appropriate Ven-dor's Parts Catalog. A list of these publications appear in the latest edition of Service Letter No. L114.

NOTE

The illustrations, pictures and drawings shown in this publication are typical of the subject matter they por-tray; in no instance are they to be interpreted as examples of any specific engine, equipment or part thereof.

Any reference in this document to a suppliers/parts manufacturers' product, by name, trademark, partnumber or other description is solely for the purposes of identification and does not indicate or infer thatLycoming accepts responsibility for quality control and/or airworthiness of parts which do not pass through the

Lycoming quality control system.

SERVICE BULLETINS, INSTRUCTIONS AND LETTERS

Although the information contained in this parts catalog is up-to-date at time of publication, users are urged tokeep abreast of later information through all Lycoming distributors or from the factory by subscription.Consult the latest edition of Service Letter No. L 14 for subscription information.

i

LYCOMING 10-720-D1C PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE

IO-720-DIC

TABLE OF CONTENTS

SECTION PAGE

Introduction .................................................................... ....Table of Contents ...................... ............................................Oversize and Undersize Parts ....................... ...................... ............. ii

1. CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPCrankcase Assembly .................................................................... 1-1Oil Level Gages and Mounting Brackets ..................................................... 1-3Crankcase Related Parts .................................................................. 1-Crankshaft and Related Parts .............................................................. 1-7Camshaft and Related Parts ............................................................... 1-9Propeller Governor Drive Assembly (Crankcase) .............................................. 1-11Crankshaft Idler G ear ................................................................... 1-13Crankcase Attaching Parts ............................................................... 1-15

2. ACCESSORY HOUSING AND RELATED PARTSAccessory Housing Assembly ....................... ....................................... 2-1Oil Pump and Accessory Housing Attaching Parts ............................................. 2-3Fuel Pump Drives and Fuel Pump Assemblies ................................................ 2-5Vacuum Pump and Hydraulic Pump Drive Covers ................. .......................... 2-7Oil FIlter Assembly and Oil Cooler Bypass Valve .............................................. 2-9

3. CYLINDER, PISTON AND VALVE TRAINConnecting Rods, Pistons and Ring Assemblies ............................................... 3-1Cylinder Assembly ................................................... 3-3Valve Assembly ................................................. 3-5Cylinder Related Parts .............................................................. 3-7

4. IGNITION SYSTEM1200 Series Magneto, Magneto Drives and Spark Plugs ......................................... 4-1

5. ELECTRICAL COMPONENTSAlternator and Belt .................................................................. -1Alternator Mounting and Attaching Parts ................................................... 5-2Starter Motor and Attaching Parts ......................................................... 5-4

6. OIL SUMP AND INDUCTION SYSTEMOil Sump and Induction Housing Assembly ................................................. 6-1Oil Suction Screen and Sump Attaching Parts ................................................. 6-3Intake Pipes and Attaching Parts ...................... ................................... 6-4Fuel Injector, Fuel Manifold and Related Parts ................................................ 6-5Fuel Lines, Hoses and Attaching Parts ...................................................... 6-7

7. SERVICE KIT SECTION ............................................................ 7-1

8. NUMERICAL INDEX .............................................................. 8-1

ii

LYCOMING IO-720-DIC PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE

10-720-DIC WIDE CYLINDER FLANGE

Oversize and Undersize Parts Listing

PART NO. DESCRIPTION OVERSIZE

P02 P05 P10 P15 P20

UNDERSIZE

P30 M03 M06 M10

66670

69260

69796

71894

71903

72155-S

72156-S

73810

73811

74309

LW-11956

LW-11957

LW-12688

LW-13885

LW-14830

STD-1065

BUSHING, Rocker shaft

INSERT, Spark plug

DOWEL, Crankshaft bearing

SEAL, Valve

BUSHING, Counterweight

BUSHING, Propeller

BUSHING, Propeller

BUSHING, Crankshaft

BUSHING, Propeller

BEARING, Rod

GUIDE, Valve

GUIDE, Valve

SEAT, Valve

BEARING, Crankshaft

BEARING, Crankshaft

DOWEL, Crankshaft

X X

X

X

X X X

SEE LATEST EDITION OF SERVICE INSTRUCTION NO. 1143 FOR APPLICATION.

X X X X

X X X

SEE LA-EST EDI-ION OF SERVICE INSTRUCTION NO. 1142 FOR APPLICATION.

X X X

X X X

X X

X X

X

X X

X X

X X

X X X

X X X

X X X X

Studs available in P03, P07 and P12.

NOTE

When ordering oversize or undersize parts, be sure to specify the required oversize or undersize dimension along with the properpart number. For example: to order P/N 66670 bushing in .010 oversize, order P/N 66670, P10. To order P/N LW-13885 bear-ing in .006 undersize, order P/N LW-13885, M06. Oversize code letter is "P", undersize code letter is "M".

iii


CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPCRANKCASE ASSEMBLY

FIG. QUANTITYPARTREF. NUMBER DESCRIPTION PER1 ASSEMBLY1 LW-14626 CRANKCASE ASSEMBLY 12 STD-557 DOWEL, 1/2 dia. x 11/16 long, hollow 23 38-22 STUD, 3/8-16 x 2-3/4 long 14 69796 DOWEL, Crankshaft bearing 25 STD-514 DOWEL, 5/16 dia. x 1/2 long 26 50-15 STUD, 1/2-13 x 1-7/8 long 167 38-13 STUD, 3/8-16 x 1-5/8 long 368 38-15 STUD, 3/8-16 x 1-7/8 long 89 31C-21 STUD, 5/16-18 x 2-5/8 long 1

10 1102 PLUG, 1/8 NPT x 3/8 long, Allen hd. 411 STD-783 PLUG, 1/4 NPT x 7/16 long, Allen hd. 112 STD-1339 PLUG, 1/16-27 NPT, Allen hd. 113 65007 RETAINER, Shroud tube seal 1614 LW-13794 STUD, 5/16-18 x 1.00 long dr. 115 38D-17 STUD, 3/8-16 x 2-1/8 long dr. 116 31C-12 STUD, 5/16-18 x 1-1/2 long 217 31C-13 STUD, 5/16-18 x 1-5/8 long 218 72158 BUSHING, Gov. drive idler shaft 119 73772 NOZZLE ASSY., Piston cooling 820 31C-14 STUD, 5/16-18 x 1-3/4 long 4

1-1


10

6

Figure 1. Crankcase Assembly

1-2


CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPOIL LEVEL GAGES AND MOUNTING BRACKETS

FIG.PART

2 NUMBER1 704572 775273 723124 LW-147455 77311

773126 STD-337 STD-6788 STD-596

DESCRIPTION

GASKET, Oil filter extensionEXTENSION, Oil filterRING, Oil seal, 1.00 ID x 1/8 sectionGAGE ASSEMBLY, Oil levelBRACKET, Engine mounting, top (20° dynafocal)BRACKET, Engine mounting, bottom (40° dynafocal)WASHER, 3/8 plainWASHER, 3/8 internal lockNUT, 3/8-24 plain, 21/64 thick

QUANTITYPER

ASSEMBLY111122

161616

1-3

8-


1

Figure 2. Oil Level Gages and Mounting Brackets

1-4


CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPCRANKCASE RELATED PARTS

FIG.REF.3123456789

1011

PARTNUMBER

DESCRIPTION

1028-B61084STD-425STD-104576529LW-14830LW-13885LW-15628STD-10027209172877

BALL, 11/16 diameterSPRING, Oil pressure relief valveWASHER, No. 10 plain (Max. 9)GASKET, 1-1/4 ID x 1-1 2 OD x 3/32 annularPLUG, Oil relief valveBEARING, CrankshaftBEARING, Crankshaft frontSEAL, Crankshaft oilRING, Oil seal, 5/16 ID x 1/16 dia.RING, Oil seal, 23/64 ID x 7/64 dia.BODY, Hydraulic tappet

QUANTITYPER

ASSEMBLY11

un1182112

16

1-3


Figure 3. Crankcase Related Parts

1-6


CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPCRANKSHAFT AND RELATED PARTS

FIG.REF.4123456789

1011121314151617181920212223

PARTNUMBER

LW-17839LW-17828STD-12117381060945738117215572156STD-106573643738127364471903736497381473648LW-148207190761155LW-18639STD-8477432160882

DESCRIPTION

CRANKSHAFT AND COUNTERWEIGHT ASSY.CRANKSHAFT AND PLUG ASSY.

PLUG, 2.00 dia. expansionBUSHING, CrankshaftPLUG, 1-1/4 dia.BUSHING, Prop. flange, long, indexingBUSHING, Prop. flange, shortBUSHING, Prop. flange, longDOWEL, Stepped, 5/16 & 1/4 dia. x 35/64 long

COUNTERWEIGHT ASSY.COUNTERWEIGHT ASSY.COUNTERWEIGHT ASSY.

BUSHING, Dynamic counterweightROLLER, Dynamic counterweight, 4.1 orderROLLER, Dynamic counterweight, 3.5 orderROLLER, Dynamic counterweight, 5.1 orderRING, Internal retainingWASHER, Dynamic counterweight

GEAR, CrankshaftLOCKPLATE, Crankshaft gearSCREW, 5/16-24 x 1.00 long, hex. hd.SUPPORT ASSY., Starter ring gear

GEAR, Starter ring

QUANTITYPER

ASSEMBLY111

1611141611

321222

323211111

1-7

r

m


CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPCAMSHAFT AND RELATED PARTS

FIG.REF.5123456789

101112

PARTNUMBER

LW-13879STD-106571643STD-119972080687537381672078STD-179170387STD-737STD-1732

DESCRIPTION

CAMSHAFT ASSY.DOWEL, Stepped, 5/16 & 1/4 dia. x 35/64 long

SHAFT, ASSY., TachometerPIN, 3/16 dia. x 1-1/8 longGEAR, CamshaftSPACER, Tachometer shaft centeringSLINGER, BreatherLOCKPLATE, 5/16 bolt x 1-21/64 spacingSCREW, 5/16-24 x 21/32 long, hex. hd.GEAR, Camshaft governor driveKEY, 3/32 x 1/2 WoodruffRING, External retaining

QUANTITYPER

ASSEMBLY11

2

411124112

1-9

5


12

8-4

10

-2

Figure 5. Camshaft and Related Parts

1-10


CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPPROPELLER GOVERNOR DRIVE ASSEMBLY (CRANKCASE)

FIG.REF.6

PARTNUMBER

DESCRIPTION

1 778752 LW-140213 778744 778725 STD-196 STD-7987 73249

732507325173252

8 AN565B1032H5*9 70455

10 LW-1389611 7205312 7237813 STD-3514 STD-47515 STD-1410

GEAR, Prop. governor drivenSHAFT, Prop. governor idler gearGEAR ASSY., Prop. governor idler

BUSHING, Prop. governor idler gearDOWEL, 3/32 dia. x 7/32 longDOWEL, 3/32 dia. x 9/32 long

WASHER, ThrustWASHER, ThrustWASHER, ThrustWASHER, ThrustSET SCREW, 10-32 x 5/16 longGASKET, 25/32 ID x 1-1/8 OD x 1/16 thickPLUG, 3/4-16 hex. hd.GASKET, Governor driveCOVER, Governor driveWASHER, 5/16 plainWASHER, 5/16 internal lockNUT, 5/16 plain

QUANTITYPER

ASSEMBLY111211

unununun11111

un44

*AN565B1032H4 set screw. 10-32 x 1/4 long is used if shaft boss is not thick enough to allow peening with the AN565B1032H5 set screw.

1-11

4


1514

13/12

11

8

10

Figure 6. Propeller Governor Drive Assy. (Crankcase)

1-12


CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPCRANKSHAFT IDLER GEAR

FIG.REF.712345678

PARTNUMBER

DESCRIPTION

LW-13795STD-2167STD-2168LW-114896753068749-173817STD-705

SHAFT, Crankshaft idler gearSCREW, 5/16-18 x 7/8 long, hex. hd. driveNUT, 5/16-18 NC-3 slotted shearGEAR ASSY., Crankshaft idler

BUSHING. Crankshaft idler gearSHAFT, Magneto drive gearLOCKPLATE, 1/4 bolt x 1-3/4 spacingSCREW, 1/4-20 x 11/16 long, hex. hd.

QUANTITYPER

ASSEMBLY23122224

1-13

3


7-

v

Figure 7. Crankshaft Idler Gear

1-14


CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPCRANKCASE ATTACHING PARTS

FIG.REF.8

PARTNUMBER

DESCRIPTION

1 608032 STD-20843 STD-14144 STD-16465 STD-19046 STD-19037 STD-19058 STD-14199 STD-8

10 STD-16011 STD-141112 STD-140913 STD-3314 STD-87215 AN6-34A16 STD-33*17 LW-1186618 76220

STRAP, LiftingBOLT, 1/4-20 x 1-3/4 long, hex. hd.BOLT, 1/4-20 x 1-1/2 long, hex. hd.BOLT, 1/4-20 x 2.00 long, hex. hd.BOLT, 1/4-20 x 2-3/4 long, hex. hd. dr.BOLT, 1/4-20 x 2-1/8 long, hex. hd. dr.BOLT, 1/4-20 x 2-15/16 long, hex. hd.BOLT, 1/4-20 x 1-1/8 long, hex. hd.WASHER, 1/4 plainWASHER, 1/4 internal lockNUT, 1/4-20 plainNUT, 1/4-20 slotted shearWASHER, 3/8 plainNUT, 3/8-24 slottedBOLT, 3/8-24 x 3-37/64 long, hex. hd.WASHER, 3/8 plainSPACER, Nut, compressorSTUD, 1/2-20 x 10-45/64 long

QUANTITYPER

ASSEMBLY22

1021724

412015811142

10

*2 required under head of AN6-34A.

1-15

9-10-11-

1

0

9-10-11

LYCOMIING IO-720-D1C PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE

6-9-12

5-9-12

7-9-10112-9-10-11

Figure 8. Crankcase Attaching Parts

1-16


ACCESSORY HOUSING AND RELATED PARTSACCESSORY HOUSING ASSEMBLY

FIG.REF.9123456789

101112

PARTNUMBEFI

DESCRIPTION

73818LW- 11685*71650AN456AD4-8AN456AD4-2231C-1231CD-2031C-2031C-1925C-21STD-784STD-783

GASKET, Accessory housingHOUSING ASSY., Accessory

SHIELD, Oil, accessory housing breatherRIVET, 1/8 dia. x 1/2 long, brazier headRIVET, 1/8 dia. x 1-3/8 long, brazier headSTUD, 5/16-18 x 1-1/2 longSTUD, 5/16-18 x 2-1/2 long, drilledSTUD, 5/16-18 x 2-1/2 longSTUD, 5/16-18 x 2-3/8 longSTUD, 1/4-20 x 2-5/8 longPLUG, 3/8 NPT, Allen headPLUG, 1/4 NPT, Allen head

QUANTITYPER

ASSEMBLY111114344413

*Stud in fuel pump pad for RG-9080 fuel pump and spacer.

2-1


8-

Figure 9. Accessory Housing Assembly

2-2


ACCESSORY HOUSING AND RELATED PARTSOIL PUMP AND ACCESSORY HOUSING ATTACHING PARTS

FIG.REF.10123456789

10111213141516

PARTNUMBEFI

DESCRIPTION

7889060329STD-714STD-133973281LW- 18299LW-18296LW-18297STD-35STD-1420LW-14260STD-8STD-160STD-1204STD-1419STD-1931

BODY ASSY., Oil pumpSHAFT, Oil pumpPIN, 1/8 dia. x 1.00 long, cotterPLUG, 1/16-27 NPT, Allen hd.

SHAFT, Oil pump driveIMPELLER ASSY., Oil pump driven

BUSHING, ImpellerIMPELLER, Oil pump drivingWASHER, 5/16 plainNUT, 5/16-18 slottedSEAL, Oil, tachometer driveWASHER, 1/4 plainWASHER, 1/4 internal lockBOLT, 1/4-20 x 15/16 long, hex. hd.BOLT, 1/4-20 x 1-1/8 long, hex. hd.BOLT, 1/4-20 x 1-7/8 long, hex. hd.

QUANTITYPER

ASSEMBLY11111111331

1012912

2-3

1


12-13-14

6

3-14

1

12-13-1

91

2-N1N

N

Figure 10. Oil Pump and Accessory Housing Attaching Parts

2-4


ACCESSORY HOUSING AND RELATED PARTSFUEL PUMP DRIVES AND FUEL PUMP ASSEMBLIES

FIG.REF.11

123456789

10111213141516171819

PARTNUMBER

DESCRIPTION

7330572829STD-705733067730970474STD-1737733086916469159STD-1774STD-213LW-10799LW-13909STD-35STD-475STD-141076422MS20822-6-8

SHAFT, Fuel pump idlerLOCKPLATE, 1/4 bolt x 1-3/4 spacingSCREW, 1/4-20 x 11/16 long, hex. hd.GEAR ASSY., Fuel pump idler

BUSHING, Crankshaft idler gearWASHER, Fuel pump idler, thrustRING, 37/64 dia. x 1/32 thick, external retainingSHAFTGEAR ASSY., Fuel pump driveGASKET, Fuel pump adapterADAPTER ASSY., Fuel pump drive

PIN, 1/8 dia. x 1/4 longSEAL, Oil, 3/4 ID x 1-3/8 OD

SPACER, Fuel pump insulatingPUMP, Fuel, RG9080-J4AWASHER, 5/16 plainWASHER, 5/16 internal lockNUT, 5/16-18 plainELBOW, 1/2 flared tube, 1/2 NPT, 90°, inletELBOW, 3/8 flared tube, 1/2 NPT, 90°, outlet

QUANTITYPER

ASSEMBLY1121111111111144411

3

2720

-19

4

Z

m


ACCESSORY HOUSING AND RELATED PARTSVACUUM PUMP AND HYDRAULIC PUMP DRIVE COVERS

FIG.REF.12123456789

1011

PARTNUMBER

DESCRIPTION

611836043068593STD-8STD-160STD-14116955169106STD-35STD-475STD-1410

GASKET, Accessory adapterCOVER, Vacuum pumpSPACER, Vacuum pump studWASHER, 1/4 plainWASHER, 1/4 internal lockNUT, 1/4-20 plainGASKET, Accessory drive adapterCOVER, Accessory drivw adapter padWASHER, 5/16 plainWASHER, 5/16 lockNUT, 5/16-18 plain

QUANTITYPER

ASSEMBLY11444411444

2-7


111

Figure 12. Vacuum Pump and Hydraulic Pump Drive Covers

2-8

FIG.REF.13

123456789

10111213

ILYCOIVING 10-720-DIC PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE

ACCESSORY HOUSING AND RELATED PARTSOIL FILTER ASSEMBLY AND OIL COOLER BYPASS VALVE

PARTNUMBER

LW-12776LW-12775LW-1277777852LW-13216STD-8STD-160STD-1411STD-21537594425C-1473647AN932-5

DESCRIPTION

GASKET, Oil filter adapterADAPTER, Oil filter baseGASKET, Oil filter baseBASE ASSY., Oil filterOIL FILTER, Long (spin-on type)WASHER, 1/4 plainWASHER, 1/4 internal lockNUT, 1/4-20 plainSCREW, 1/4-20 x 1-9/16 long, hex. hd.VALVE ASSY., Temp. control, oil cooler bypassSTUD, 1/4-20 x 1-3/4 longFITTING, BreatherPLUG, 1/2 NPT, Allen head

QUANTITYPER

ASSEMBLY2121144131112

2-9

2723

3-

2

1

13

1

4-

m


CYLINDER, PISTON AND VALVE TRAINCONNECTING RODS, PISTONS AND RING ASSEMBLIES

FIG.REF.14

PARTNUMBER DESCRIPTION

1 LW-106462 LW-139233 750604 LW-121865 74309

LW-149546 LW-10207S7 LW-140788 608289 74241

10 73857

CONNECTING ROD ASSEMBLYBUSHING, Connecting rod, upperBOLT, Connecting rodNUT, Connecting rod bolt

BEARING, Connecting rodBEARING, Connecting rod (alternate)PISTON, Compression ratio 8.7:1PIN, PistonPLUG, Piston pinRING, Piston compressionRING, Piston oil regulating (expander type)

QUANTITYPER

ASSEMBLY88

1616161688

16168

3-1

m


CYLINDER, PISTON AND VALVE TRAINCYLINDER ASSEMBLY

FIG.REF.15

123456789

10111213

PARTNUMBER

DESCRIPTION

LW-15438*LW-1268871894667137289769260STD-187231C-1325C-866670MS20823-6D7234372344

CYLINDER AND HEAD ASSEMBLYSEAT, Intake valveSEAT, Exhaust valveGUIDE, Valve intakeGUIDE, Valve exhaustINSERT, Spark plug (long reach)INSERT, 1/8-27 NPT, Heli-coilSTUD, 5/16-18 x 1-5/8 longSTUD, 1/4-20 x 1.00 longBUSHING, Rocker shaft, innerELBOW, 3/8 flared tube x 1/4 NPT, 45°

STABILIZER, Cylinder head fins (15 teeth)STABILIZER, Cylinder head fins (26 teeth)

QUANTITYPER

ASSEMBLY88888

168

163232888

*- Nitrided cylinder, long reach plug.

3-3

3


3

9-

1

Figure 15. Cylinder Assembly

3-4

LYCOIVIING 10-720-DIC PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE

CYLINDER, PISTON AND VALVE TRAINVALVE ASSEMBLY

FIG.REF.16

PARTNUMBER

DESCRIPTION

1 LW-136222 731113 LW-117964 LW-117975 LW-133216 LW-133227 695328 720509 62388

10 LW-1647511 MS13997-312 MS13998-313 7829014 7852415 7225516 LW-1307717 66728*18 6150319 LW-1866120 6292221 73455*

73456**73457**73458**73555**73556**73557*73558**

22 7154923 7262624 7126625 6711426 7126527 67114

VALVE, Intake (small diameter intake rotator)VALVE, Exhaust (rotator type)SPRING, Valve, outerSPRING, Valve, auxiliary'SEAT, Valve spring, lower intakeSEAT, Valve spring, lower exhaustSEAT, Valve spring, upper intake (rotator)KEY, Valve intake (rotator)CAP, Valve stem intake (rotator)SEAT. Valve spring, upper exhaust (rotator)KEY, Valve exhaust (rotator)CAP, Valve stem, exhaust (rotator)PLUNGER ASSY., Hydraulic tappetSOCKET, Push rod, hydraulic tappetSHROUD TUBE ASSY., Push rodSPRING, Shroud tubeWASHER, 25/32 I.D. x 1-1/4 O.D. x 1/32 thickSLEEVE, Shroud tube sealSEAL, Shroud tube (w/61503 sleeve)SEAL, Shroud tube (w/crankcase end)ROD ASSY., PushROD ASSY., PushROD ASSY., PushROD ASSY., PushROD ASSY., PushROD ASSY., PushROD ASSY., PushROD ASSY., PushWASHER, Valve rocker thrustSHAFT, Valve rockerROCKER ASSY., Intake valve

BUSHING, Valve rockerROCKER ASSY., Exhaust valve

BUSHING, Valve rocker

QUANTITYPER

ASSEMBLY88

1616888

1688

168

16161632un161616unununununununun16168888

* - See latest edition of Avco Lycoming Service Instruction No. 1284 for application of 66728 washer.

* - See latest edition of Avco Lycoming Service Instruction No. 1060 for complete push rod application.

3-5

2017


23

Figure 16. Valve Assembly

3-6


CYLINDER, PISTON AND VALVE TRAINCYLINDER RELATED PARTS

FIG.REF.17

123456789

101112131415161718192021222324252627282930

PARTNUMBER

DESCRIPTION

6673266731STD-160STD-14116719368795STD-192574494714817790674887383-BSTD-2090STD-684STD-2180LW-15592-5-057338273384733877338875338716107161172834STD-692STD-67075118STD-35STD-475STD-1410

GASKET, Cover, valve rocker shaftCOVER, Valve rocker shaftWASHER, 1/4 internal lockNUT, 1/4-20 plainGASKET, Rocker box coverCOVER ASSY., Rocker boxSCREW, 1/4-20 x 5/8 long, pan hd., self-lockingPLATE, Spark plug cautionRING, Oil seal 3/32 dia. x 4-27/32 I.D.SPACER, 33/64 I.D. x 7/8 O.D. x 1/8 thickSPACER, 33/64 I.D. x 7/8 O.D. x 3/8 thickNUT, 3/8-24 plainNUT, 1/2-20 plainNIPPLE, Straight, 3/8 I.D. hoseHOSE, 3/8 I.D. x 1-13/16 longCLAMP, HoseTUBE ASSY., Cyl. head oil drain, cyl. no. 1TUBE ASSY., Cyl. head oil drain, cyl. no. 2TUBE ASSY., Cyl. head oil drain, cyl. no. 4TUBE ASSY., Cyl. head oil drain, cyls. no. 3, 4, 6, 7, 8BAFFLE ASSY., IntercylinderHOOK, Intercylinder baffle retainerRETAINER, Intercylinder baffleCOVER, Baffle ignition holeSCREW, No. 10-32 x 1/2 long, rd. hd.NUT, No. 10-32 self-lockingGASKET, Exhaust flangeWASHER, 5/16 plainWASHER, 5/16 internal lockNUT, 5/16 plain

QUANTITYPER

ASSEMBLY1616323288

568822

323688

1611156666

121216161616

3-7

26

2719

13 2

14-

0


IGNITION SYSTEM1200 SERIES MAGNETO, MAGNETO DRIVES AND SPARK PLUGS

FIG.REF.18123456789

1011121314151617181920

PARTNUMBER

DESCRIPTION

LW-163047743677309LW-1213662224LW-1270773000LW-12289LW-12681LW-349320-4LW-349300-475965STD-475STD-1410LW-720570-5STD-8STD-160*STD-1874STD-2029*1182-W5*

GEAR ASSEMBLY, MagnetoSLEEVE, Magneto gearBUSHING, Crankshaft idler gear

CUSHION, Magneto driveGASKET, Magneto adapterADAPTER, MagnetoCOUPLING, Magneto driveWASHER, 3/8 I.D. x 39/64 O.D. x 1/8 thickGASKET, MagnetoMAGNETO, S8LN-1209MAGNETO, S8LN-1208, 15° retardCLAMP, MagnetoWASHER, 5/16 lock, internal teethNUT, 5/16-18 plainHARNESS ASSY., IgnitionWASHER, 1/4 plainWASHER, 1/4 lockSCREW, 1/4-20 x 7/8 long, fill. hd.BOLT, 1/4-20 x 1-1/8 long, hex. hd.SPARK PLUG, Champion RHB-37E

QUANTITYPER

ASSEMBLY222422222114441

16886

16

Item No. 20 spark plug is used in current production only. Additional sparkplugs are available for this engine. See latest edition of Avco Lycoming Serv-ice Instruction No. 1042 for complete listing of all approved spark plugs.

* - Attached to cylinder head ear.

** - Long reach, all weather, massive electrode.

NOTE

Individual spark plug leads may be replaced by ordering either 620633-48 (3B, 4B, 5B, 6B, 7B, 8B, 7T, 8T) or620633-72 (1T, 2T, 3T, 4T, 5T, 6T, 1B, 2B) replacement leads. Lead length is indicated by the part no. suffix.

4-1


ELECTRICAL COMPONENTSALTERNATOR AND BELT

FIG.REF.19

2

PARTNUMBER

DESCRIPTION

ALTERNATOR, 24 volt, 70 amp, externally grounded (ALU-8421)BELT, Alternator drive

QUANTITYPER

ASSEMBLY11

LW-1432476026

NOTE

See latest edition of Avco Lycoming Service Instruction No. 1154 for complete listing of FAA approved starters,generators, alternators, regulators and relays.

Figure 19. Alternator and Belt

5-1

FIG.REF.201234


ELECTRICAL COMPONENTSSTARTER MOTOR AND ATTACHING PARTS

PARTNUMBER

77879STD-35STD-475STD-1410

DESCRIPTION

STARTER, 24 volt, 3.38:1 internal reduction (MHJ-4004)WASHER, 5/16 plainWASHER, 5/16 lock, internal teethNUT, 5/16 plain

QUANTITYPER

ASSEMBLY1444

NOTE

See latest edition of Avco Lcoming Service Instruction No. 1154 for complete listing of FAA approved starters,generators, alternators, regulators and relays.

-1

Figure 20.

5-2


ELECTRICAL COMPONENTSALTERNATOR MOUNTING AND ATTACHING PARTS

FIG. QUANTITYREF. PART DESCRIPTION PER21 NUMBER ASSEMBLY1 LW-13039 BRACKET, Alternator 12 73383 LOCKPLATE, 5/16 bolt, 1.00 spacing 13 STD-1838 BOLT, 5/16-18 x 15/16 long, hex. hd. 24 75380 LINK, Alternator adjusting 15 STD-35 WASHER, Plain 16 LW-31H.75 BOLT, 5/16-18 x 3/4 long, hex. hd. drive 17 STD-1727 WASHER, Plain 18 LW-31H.75 BOLT, 5/16-18 x 3/4 long, hex. hd. drive 19 74323 STRUT, Alternator support 1

10 LW-31H.75 BOLT, 5/16-18 x 3/4 long, hex. hd. drive 111 STO-690 WASHER, 13/16 O.D. x 25/64 ID.. x 1/6 thick 112 AN6-14 BOLT, 3/8-24 x 1-37/64 long, hex. hd., drilled end 113 STD-690 WASHER, 13/16 O.D. x 25/64 I.D. x 1/16 thick un14 STD-872 NUT, 3/8-24 slotted 115 STD-713 PIN, Cotter 3/64 dia. x 3/4 long 116 AN6-16 BOLT, 3/8-24 x 1-53/64 long, hex. hd., drilled end 117 76534 SHIM, 1-1/8 O.D. x 13/32 I.D. x .005 thick un18 STD-690 WASHER, 13/16 O.D. x 25/64 I.D. x 1/16 thick un19 STD-872 NUT, 3/8-24 slotted 120 STD-713 PIN, Cotter 3/64 dia. x 3/4 long 1

5-3


3

Figure 21. Alternator Mounting and Attaching Parts

5-4

LYCOMING IO-720-D1C PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE

OIL SUMP AND INDUCTION SYSTEMOIL SUMP AND INDUCTION HOUSING ASSEMBLY

FIG. QUANTITYREF. PART DESCRIPTION PER22 NUMBER ASSEMBLY1 72119 GASKET, Oil sump 12 75107 HOUSING ASSY., Oil sump and induction 13 STD-514 DOWEL, 5/16 dia. x 1/2 long 24 75110 BAFFLE, Oil sump, front 15 75374 BAFFLE, Oil sump, right rear 16 75373 BAFFLE, Oil sump, left rear 17 STD-8 WASHER, 1/4 plain 128 STD-1296 SCREW, 1/4-20 x 5/8 long, fill. hd., drilled hd. 129 72179 STUD, Intake pipe extension 4

10 LW-11273 CLAMP, Intake pipe extension 411 25C-11 STUD, 1/4-20 x 1-3/8 long 1912 38-15 STUD, 3/8-16 x 1-7/8 long 813 72706 INSERT, Heli-coil, 1/4-20 x 3/8 long, self-locking 1214 STD-91 PLUG, 1/2-14 NPT, allen hd. 215 1102 PLUG, 1/4-20 NPT x 3/8 long, allen hd. 316 STD-8 WASHER, 1/4 plain 3417 STD-160 WASHER, 1/4 lock, internal teeth 1618 STD-1646 BOLT, 1/4-20 x 2.00 long, hex. hd. 219 STD-1688 BOLT, 1/4-20 x 1.00 long, hex. hd. 1620 STD-1411 NUT, 1/4-20 plain 16

6-1

LYCOMIING 10-720-D1C PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE

1

Figure 22. Oil Sump and Induction Housing Assembly

6-2

FIG.REF.23

123456789

LYCOMING 10-720-D1IC PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE

OIL SUMP AND INDUCTION SYSTEMOIL SUCTION SCREEN AND SUMP ATTACHING PARTS

PARTNUMBER

DESCRIPTION

STD-1419STD-1688STD-8STD-160STD-1411STD-55160422STD-111LW-12545

BOLT, 1/4-20 x 1-1/8 long, hex. hd.BOLT, 1/4-20 x 1.00 long, hex. hd.WASHER, 1/4 plainWASHER, 1/4 lock, internal teethNUT, 1/4-20 plainPLUG, 1/2-14 NPT, square hd., drilledSCREEN, Oil suctionGASKET, 1.00 I.D. x 1-1/4 O.D. x 3/32 annularPLUG, 1.00-20 thread x 5/8 hd.

QUANTITYPER

ASSEMBLY48

3531192111

Figure 23.

6-3

3


OIL SUMP AND INDUCTION SYSTEMINTAKE PIPES AND ATTACHING PARTS

FIG.REF.24

PARTNUMBER

DESCRIPTION

1 721112 75111

7511275113751147511575116

3 719734 743605 STD-86 STD-1607 STD-1215

RING, Oil seal, intake pipesPIPE, Intake (cylinder no.1)PIPE, Intake (cylinder no. 2)PIPE, Intake (cylinder no. 3)PIPE, Intake (cylinder no. 4)PIPE, Intake (cylinders no. 5 and 8)PIPE, Intake (cylinders no. 6 and 7)GASKET, 2 bolt flange, 1-7/8 I.D.FLANGE, Intake pipe, upperWASHER, 1/4 plainWASHER, 1/4 internal lockBOLT, 1/4-20 x 1-1/4 long, hex. hd.

QUANTITYPER

ASSEMBLY811112288

161616

Figure 24.

6-4

FIG.REF.25123456789

101112131415161718192021222324


OIL SUMP AND INDUCTION SYSTEMFUEL INJECTOR, FUEL MANIFOLD AND RELATED PARTS

PARTNUMBER

722107810031C-141102STD-1353STD-8STD-187573032LW-1567174070STD-35STD-1410STD-1763LW-18265LW- 15675MS20822-6STD-14877915739667400074464STD-251STD-82STD-1727

DESCRIPTION

GASKET, Air throttle housingHOUSING ASSY., Air inlet

STUD, 5/16-18 x 1-3/4 longPLUG, 5/16-18 x 3/8 long, socket hd.INSERT, 10-24 Heli-coil, 3/8 long

WASHER, 1/4 plainBOLT, 1/4-20 x 13/16 long, hex. hd.GASKET, Air inlet housingFUEL INJECTOR (2524757-5)ELBOW, 3/8 flared, adjustable 45°

WASHER, 5/16-18 plainNUT, 5/16-18 plainLOCKNUT, 5/16 PalnutNOZZLE, Inlection (2524864)MANIFOLD ASSY., Fuel

ELBOW, 3/8 tube to 1/4 NPT, 90°

NIPPLE, 1/8 NPT, 90°

ELBOW, 3/16 tube to 1/8 NPT, 90° restrictedSPACER, Fuel manifold bracketBRACKET, Fuel manifoldBRACKET, Fuel manifoldWASHER, No. 10 internal lockSCREW, No. 10-24 x 1/2 long, round hd.WASHER, 3/4 O.D. x 21/64 I.D. x 1/8 thick

QUANTITYPER

ASSEMBLY114126611124481181211442

6-5

2727

I


OIL SUMP AND INDUCTION HOUSINGFUEL LINES, HOSES AND ATTACHING PARTS

FIG.REF.26

123456789

1011121314

PARTNUMBER

DESCRIPTION

LW-12799-6S-090LW-12098-0-230LW-12098-0-170LW-12877-6S-357LW-16266-10-75LW-16266-10-137746873136LW-14875STD-860STD-670STD-8STD-160STD-1875

HOSE ASSY., Fuel pump to injectorTUBE ASSY., Fuel manifold to nozzle, cyls. no. 1, 2, 7, 8TUBE ASSY., Fuel manifold to nozzle, cyls. no. 3, 4, 5, 6HOSE ASSY., Fuel injector to manifoldCLAMP, 3/4 I.D., for 1/4 dia. screwCLAMP, 1/8 I.D., for 1/4 dia. screwCLAMP, 7/8 I.D., for 1/4 dia. screwBRACKET, Extension, 90° , 5/8 wideBRACKET, Extension, 90°, 31/64 wideSCREW, No. 10-32 x 5/8 long, fill. hd.NUT, 10-32 self-lockingWASHER, 1/4 plainWASHER, 1/4 internal lockBOLT, 1/4-20 x 13/16 long, hex. hd.

QUANTITYPER

ASSEMBLY1441

1216131

1616311

6-7


5

Figure 26. Fuel Lines, Hoses and Attaching Parts

6-8


SERVICE KIT SECTION

SEAL AND GASKET SETWIDE CYLINDER FLANGE MODELS

Part No. Part Name

LW-15423LW-12681LW-14260MS29512-4MS29512-6MS29512-10STD-111STD-208STD-213STD-294STD-1002STD-10458313LW-186616673269164704557045771450714817197372053720787209172119722107231272711730327338373818LW-15619LW-156281691-CLW-18639611836222467193683156955172829738177383075118LW-12776LW-12777MS9068-009LW-10332AN12385720415

SEAL AND GASKET SETGASKET, MagnetoGASKET, Tachometer driveSEAL, OilSEAL, OilSEAL, OilGASKETSEAL, OilSEAL, OilGASKET, Annular (maximum 2 pcs.)RING, Oil sealGASKET, Annular (maximum 2 pcs.)GASKET, Vacuum pumpSEAL, Shroud tubeGASKET, Valve rocker shaft coverGASKET, Fuel pump adapterGASKET, .030-.040 thickGASKET, Oil filter extensionGASKET, Rocker box coverRING, Oil sealGASKET, Intake pipeGASKET, Gov.LOCKPLATE, Camshaft gearRING, Oil sealGASKET, Oil sumpGASKET, Air throttle housingRING, Oil sealRING, Oil seal, intake pipeGASKET, Air inlet housingLOCKPLATE, Alternator and generator bracketGASKET, Accessory housingGASKET, Exhaust flangeSEAL, CrankshaftGASKET, Fuel pumpLOCKPLATE, Crankshaft gearGASKET, Accessory adapterGASKET, Magneto adapterGASKET, Rocker box coverGASKET, Accessory drive adapterGASKET, Accessory drive adapterLOCKPLATE, Fuel pump idler gear shaftLOCKPLATE, Magneto drive gear shaftGASKET, Oil pressure housingGASKET, Exhaust flangeGASKET, Oil filter adapterGASKET, Oil filler baseSEAL, OilLOCKPLATE"O" RINGGASKET

Qty.

121112111

un6

un3

3216

111888122111

121

1611112811121

16112111

7-1


SERVICE KIT SECTION

CYLINDER, PISTON AND RING KITWIDE CYLINDER FLANGE MODELS

Part NamePart No. Qty.

LW-15464MS13997-3MS13998-3STD-8STD-160STD-1215STD-1411STD-1874STD-1925LW-16475LW-10207-SLW-11796LW-11797LW-15438LW-13321LW-13322LW-13622LW-140776082862388LW-1866166731667326719368795695327119571265712667148171549720507262673111738577424174494

CYLINDER, PISTON AND RING KITKEY, Valve (rotator type)CAP, Valve stemWASHER, PlainWASHER, Internal lockBOLT, 1/4-20 x 1.25 long, hex. hd.NUT, Plain, 1/4-20SCREW, Fill. hd., self-lockingSCREW, Fill. hd., self-lockingSEAT, Valve spring, upper, exh.PISTON, (3-ring)SPRING, Valve outerSPRING, Valve, auxiliaryCYLINDER ASSEMBLY, NitridedSEAT, Valve spring, lower, int.SEAT, Valve spring, lower, exh.VALVE, Intake (rotator type)PIN, PistonPLUG, Piston pinCAP, Valve stemSEAL, Shroud tubeCOVER, Valve rocker shaftGASKET, Valve rocker shaft coverGASKET, Rocker box coverCOVER, Rocker boxSEAT, Valve springBOX, Set upROCKER ASSEMBLY, Exhaust valveROCKER ASSEMBLY, Intake valveRING, Oil sealWASHER, Valve rocker thrustKEY, ValveSHAFT, Valve rockerVALVE, ExhaustRING, Piston, oil reg.RING, Piston, compressionPLATE, Spark plug caution

1211424181122111112142211111112221121

NOTE

Nitrided cylinder assembly, standard 1/2 inch exhaust guide, long reach spark plug.

7-2


NUMERICAL INDEX

PART NO. PART NAME PAGE NO. PART NO. PART NAME PAGE NO.

AN456AD4-8AN465AD4-22AN565B1032H5AN6-14AN6-16AN6-34AAN932-5LW-10207SLW- 10646LW-10799LW-11273LW-11489LW-11685LW-11796LW-11797LW-11866LW-11956LW-11957LW-12098-0-170LW-12098-0-230LW-12136LW-12186LW-12239LW-12545LW-12681LW-12688LW-12707LW-12775LW-12776LW-12777LW-12799-6S-090LW-12877-6S-357LW-13039LW-13077LW-13216LW-13321LW-13322LW-13622LW- 13794LW-13795LW-13879LW-13885LW-13896LW-13909LW-13923LW-14021LW-14078LW- 14260LW-14324LW-14626

RivetRivetScrewBoltBoltBoltPlugPistonRod AssemblySpacerClampGear AssemblyHousing AssemblySpringSpringSpacerGuideGuideTube AssemblyTube AssemblyCushionNutWasherPlugGasketSeatAdapterAdapterGasketGasketHose AssemblyHose AssemblyBracketSpringOil FilterSeatSeatValveStudShaftCamshaft AssemblyBearingPlugPumpBushingShaftPinSealAlternatorCrankcase Assembly

2-12-11-115-35-31-152-93-13-12-56-11-132-13-53-51-153-33-36-76-74-13-14-16-34-13-34-12-92-92-96-76-75-33-52-93-53-53-51-11-131-91-51-112-53-11-113-12-35-11-1

LW- 14745LW- 14820LW-14830LW-14875LW-14954LW-15438LW-15592-5-05LW-15628LW-15671LW-1 5675LW-16266-10-13LW-16266-10-75LW-16304LW-16475LW-17828LW-17839LW-18265LW-18296LW-18297LW-18299LW-18639LW-18661LW-31H.75LW-349300-4LW-349320-4LW-720570-5MS13997-3MS13998-3MS20822-6MS20822-6-8MS20823-6DSTD-8STD-8STD-8STD-8STD-8STD-8STD-8STD-8STD-8STD-8STD- 19STD-33STD-33STD-35STD-35STD-35STD-35STD-35STD-35

Gage AssemblyRingBearingBracketBearingCylinder & HeadClampSealFuel InjectorManifold AssemblyClampClampGear AssemblySeatCrankshaftCrankshaftNozzleBushingImpellerImpeller AssemblyLockplateSealBoltMagnetoMagnetoHarness AssemblyKeyCapElbowElbowElbowWasherWasherWasherWasherWasherWasherWasherWasherWasherWasherDowelWasherWasherWasherWasherWasherWasherWasherWasher

1-31-71-56-73-13-33-71-56-56-56-76-74-13-51-71-76-52-32-32-31-73-55-34-14-14-13-53-56-52-53-31-152-32-72-94-16-16-36-46-56-71-111-31-151-112-32-52-73-75-2

8-1


NUMERICAL INDEX (Cont.)


STD-35 Washer 5-3 STD-1045 Gasket 1-5STD-35 Washer 6-5 STD-1065 Dowel 1-7STD-82 Screw 6-5 STD-1065 Dowel 1-9STD-91 Plug 6-1 STD-1199 Pin 1-9STD- 111 Gasket 6-3 STD- 1204 Bolt 2-3STD-148 Nipple 6-5 STD-1211 Plug 1-7STD- 160 Washer 1-15 STD-1215 Bolt 6-4STD-160 Washer 2-3 STD-1 296 Screw 6-1STD-160 Washer 2-7 STD-1339 Plug 1-1STD-1 60 Washer 2-9 STD-1 339 Plug 2-3STD-160 Washer 3-7 STD-1353 Insert 6-5STD-160 Washer 4-1 STD-1409 Nut 1-15STD- 160 Washer 6-1 STD-1410 Nut 1-11STD-160 Washer 6-3 STD-1410 Nut 2-5STD-160 Washer 6-4 STD-1410 Nut 2-7STD-160 Washer 6-7 STD-1410 Nut 3-7STD-213 Seal 2-5 STD-1410 Nut 4-1STD-251 Washer 6-5 STD-1410 Nut 5-2STD-425 Washer 1-5 STD-1410 Nut 6-5STD-475 Washer 1-11 STD-1411 Nut 1-15STD-475 Washer 2-5 STD-1411 Nut 2-7STD-475 Washer 2-7 STD-1411 Nut 2-9STD-475 Washer 3-7 STD-1411 Nut 3-7STD-475 Washer 4-1 STD-1411 Nut 6-1STD-475 Washer 5-2 STD- 1411 Nut 6-3STD-514 Dowel 1-1 STD-1414 Bolt 1-15STD-514 Dowel 6-1 STD-1419 Bolt 1-15STD-551 Plug 6-3 STD-1419 Bolt 2-3STD-557 Dowel 1-1 STD-1419 Bolt 6-3STD-596 Nut 1-3 STD-1420 Nut 2-3STD-670 Nut 3-7 STD-1646 Bolt 1-15STD-670 Nut 6-7 STD-1646 Bolt 6-1STD-678 Washer 1-3 STD-1688 Bolt 6-1STD-684 Nipple 3-7 STD-1688 Bolt 6-3STD-690 Washer 5-3 STD-1727 Washer 5-3STD-692 Screw 3-7 STD-1727 Washer 6-5STD-705 Screw 1-13 STD-1732 Ring 1-9STD-705 Screw 2-5 STD-1737 Ring 2-5STD-713 Pin 5-3 STD-1763 Locknut 6-5STD-714 Pin 2-3 STD-1774 Pin 2-5STD-737 Key 1-9 STD-1791 Screw 1-9STD-783 Plug 1-1 STD-1838 Bolt 5-3STD-783 Plug 2-1 STD-1872 Insert 3-3STD-784 Plug 2-1 STD-1874 Screw 4-1STD-798 Dowel 1-11 STD-1875 Bolt 6-5STD-847 Screw 1-7 STD-1875 Bolt 6-7STD-860 Screw 6-7 STD-1903 Bolt 1-15STD-872 Nut 1-15 STD-1904 Bolt 1-15STD-872 Nut 5-3 STD-1905 Bolt 1-15STD-1002 Ring 1-5 STD-1925 Screw 3-7

8-2




STD-1931 Bolt 2-3 66728 Washer 3-5STD-2029 Bolt 4-1 66731 Cover 3-7STD-2084 Bolt 1-15 66732 Gasket 3-7STD-2090 Nut 3-7 i 67114 Bushing 3-5STD-2153 Screw 2-9 67193 Gasket 3-7STD-2167 Screw 1-13 67530 Bushing 1-13STD-2168 Nut 1-13 68593 Spacer 2-7STD-2180 Hose 3-7 68749-1 Shaft 1-1325C-8 Stud 3-3 68753 Spacer 1-925C-11 Stud 6-1 68795 Cover Assembly 3-725C-14 Stud 2-9 69106 Cover 2-725C-21 Stud 2-1 69159 Adapter Assembly 2-531C-12 Stud 1-1 69164 Gasket 2-531C-12 Stud 2-1 69260 Insert 3-331C-13 Stud 1-1 69532 Seat 3-531C-13 Stud 3-3 69551 Gasket 2-731C-14 Stud 1-1 69796 Dowel 1-131C-14 Stud 6-5 70387 Gear 1-931C-19 Stud 2-1 70455 Gasket 1-1131C-20 Stud 2-1 70457 Gasket 1-331C-21 Stud 1-1 70474 Washer 2-531CD-20 Stud 2-1 71265 Rocker Assembly 3-538-13 Stud 1-1 71266 Rocker Assembly 3-538-15 Stud 1-1 71481 Ring 3-738-15 Stud 6-1 71549 Washer 3-538D-17 Stud 1-1 71610 Hook 3-738-22 Stud 1-1 71611 Retainer 3-750-15 Stud 1-1 71643 Shaft Assembly 1-9383-B Nut 3-7 71650 Shield 2-11028-B Ball 1-5 71894 Seat 3-31102 Plug 1-1 71903 Bushing 1-71102 Plug 6-1 71907 Washer 1-71102 Plug 6-5 71973 Gasket 6-41182-W5 Spark Plug 4-1 72050 Key 3-560329 Shaft 2-3 72053 Gasket 1-1160422 Screen 6-3 72078 Lockplate 1-960430 Cover 2-7 72080 Gear 1-960803 Strap 1-15 72091 Ring 1-560828 Plug 3-1 72111 Ring 6-460882 Gear 1-7 72119 Gasket 6-160945 Plug 1-7 72155 Bushing 1-761084 Spring 1-5 72156 Bushing 1-761155 Gear 1-7 72158 Bushing 1-161183 Gasket 2-7 72179 Stud 6-161503 Sleeve 3-5 72210 Gasket 6-562224 Gasket 4-1 72255 Tube Assembly 3-562388 Cap 3-5 72312 Ring 1-362922 Seal 3-5 72343 Stabilizer 3-365007 Retainer 1-1 72344 Stabilizer 3-366670 Bushing 3-3 72378 Cover 1-11

8-3



PART NO.

7262672706728297283472877730007303273111731367324973250732517325273281733057330673308733827338373384733877338873455734567345773458735557355673557735587364373644736477364873649737727381073811738127381473816738177381873857739667400074070

PART NAME

ShaftInsertLockplateCoverBodyCouplingGasketValveBracketWasherWasherWasherWasherShaftShaftGear AssemblyShaftgear AssemblyTube AssemblyLockplateTube AssemblyTube AssemblyTube AssemblyRod AssemblyRod AssemblyRod AssemblyRod AssemblyRod AssemblyRod AssembyRod AssemblyRod AssemblyCounterweight Assy.Counterweight Assy.FittingRollerRollerNozzle AssemblyBushingBushingCounterweight Assy.RollerSlingerLockplateGasketRingSpacerBracketElbow

PAGE NO.

3-56-12-53-71-54-16-53-56-71-111-111-111-112-32-52-52-53-75-33-73-73-73-53-53-53-53-53-53-53-51-71-72-91-71-71-11-71-71-71-71-91-132-13-16-56-56-5

PART NO.

7424174309743217432374360744647449474887750607510775110751117511275113751147511575116751187533875373753747538075944759657602676220764227652976534773097730977311773127743677468775277785277872778747787577879779067791578100782907852478890

PART NAME

RingBearingSupport AssemblyStrutFlangeBracketPlateSpacerBoltHousing AssemblyBafflePipePipePipePipePipePipeGasketBaffle AssemblyBaffleBaffleLinkValve AssemblyClampBeltStudElbowPlugShimBushingBushingBracketBracketSleeveClampExtensionBase AssemblyBushingGear AssemblyGearStarterSpacerElbowHousing AssemblyPlunger AssemblySocketBody Assembly

PAGE NO.

3-13-11-75-36-46-53-73-73-16-16-16-46-46-46-46-46-43-73-76-16-15-32-94-15-11-152-51-55-32-54-11-31-34-16-71-32-91-111-111-115-23-76-56-53-53-52-3

8-4

PC-119-1 - PARTS CATALOG - MODEL IO-720-D1C WIDE ...

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