AVCO LYCOMING PARTS CATALOG & LTO-360 76 Series... · avco lycoming parts catalog to, lto-360 76 series aircraft engines avco corporation williamsport, pennsylvania 17701 pc-124 price

AVCO LYCOMING PARTS CATALOG

TO, LTO-360 76 SERIES

AIRCRAFT ENGINES

AVCO CORPORATION WILLIAMSPORT, PENNSYLVANIA 17701

PC-124 PRICE $14.00 DECEMBER 1980

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AVCO LYCOMING PARTS CATALOG

TO, LTO-360 76 SERIES

AIRCRAFT ENGINES

AVCO CORPORATION WILLIAMSPORT, PENNSYLVANIA 17701

PC-124 PRICE $14.00 DECEMBER 1980

deggle01

Rectangle

AVCO LYCOMING WILLIAMSPORT DIVISION652 Oliver Street, Williamsport, Pennsylvania 17701

AVCO LYCOMING ENGINE GROUP

TECHNICALPUBLICATION REVISION

REVISION No.

PC-124-1ENGINE MODELTO-360, LTO-360

76 Series

PUBLICATION No.

PC-124PUBLICATION DATE

December, 1980

The page(s) furnished herewith are intended to replace the correspondingpage(s) of the publication indicated above.

Remove I Insert

December, 1980 May, 1985

Page 1-8, 1-9, 6-4 Page 1-8, 1-9, 6-4

INTRODUCTION

The Avco Lycoming 76 series TO-360 and LTO-360 model engines depicted herein employ amodern unitized design crankcase. This incorporates all accessory drives in the crankcaseeliminating a separate accessory housing and providing a compact, lightweight power unit.

The Parts Catalog is constructed in the same familiar format as previous catalogs, the only dif-ference being that the accessory drives section is now integrated with the Crankcase Group inSection 1.

An oversize and undersize parts list shows available parts and their sizes.

A Numerical Index is provided for convenience in finding parts when only the part number isknown.

Complete coverage of Vendor Accessories used on Avco Lycoming engines may be sercured byreferring to the publications listed in footnotes in this Catalog on the page where the accessoriesare installed. A complete list of Vendor publications may also be found by referral to Service Let-ter No. L114.

NOTE

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

SERVICE BULLETINS, INSTRUCTIONS AND LETTERS

Although the information contained in this Parts Catalog is up-to-date at the time of publica-tion, users are urged to keep abreast of later information through Avco Lycoming ServiceBulletins, Instructions and Letters which are available through all Avco Lycoming distributorsor from the factory by subscription. Consult the latest edition of Service Letter No. L114 forsubscription information.

i

TO-360, LTO-360 - 76 SERIES

TABLE OF CONTENTS

SECTION PAGE

Introduction .................................................................. iTable of Contents .............................. ..................... iiOversize and Undersize Parts List ....................................................... iii

1. Crankcase, Crankshaft and Camshaft GroupCrankcase Assembly ...................................... .............. ....... 1-1Crankcase Related Parts .................................. ................ ....... 1-2Crankshaft and Starter Ring Gear Support .............................................. 1-3Camshaft and Tachometer Drive Assembly .............................................. 1-5Propeller G overnor D rive ............................................................ 1-6Crankcase Attaching Parts .................................. ....................... 1-7Oil Pump and Vacuum Pump Drive .................................................... 1-8Oil Filter and Fuel Pump ............................................................. 1-9

2. Cylinder, Piston and Valve TrainConnecting Rod, Piston and Piston Rings ............................................ 2-1Cylinder Assembly ....................................... ........................... 2-2Valve Assembly ................................................................. 2-3Push Rods, Rocker Arms and Hydraulic Lifters .......................................... 2-4Cylinder Head Drain Tubes and Intercylinder Cooling Baffles ............................... 2-5

3. Ignition SystemMagneto, Magneto Drive and Spark Plugs .............................................. 3-1

4. Electrical SystemStarting Motor and Alternator Bracket ................................................. 4-1

5. Oil Sump and Induction SystemOil Sump Assembly ........................... .................... ....... 5-1Intake Pipes and Carburetor ............................ ....................... 5-2

6. Turbocharger and Exhaust SystemTurbocharger Attaching Parts ................... ......... ......................... 6-1Exhaust and Air Inlet ....................................... ........................ 6-3

7. Service Kit Section ........................................ ...................... 7-1

8. N um erical Index ..................................................................... 8-1

ii

TO-360, LTO-360 76 SERIESOversize and Undersize Parts Listing

Part No.

66145

66796

69260

6979672057

720587206072061

7206272074

76943

77160

LW-13209LW-15328

LW-15329

Description

DOWEL, Oil pump bodyINSERT, Spark plug

18-1.5mmINSERT, Spark plug

18-1.5mm, long reachDOWEL, Crankshaft bearingSEAT, Intake valveSEAT, Exhaust valveBUSHING, Propeller flangeBUSHING, Propeller flangeBUSHING, Propeller flangeBUSHING, Propeller flangeGUIDE, Valve intakeGUIDE, Valve exhaustBEARING, Connecting rodBEARING, CrankshaftBEARING, Crankshaft

OversizeP5 P10 P20

X X

UndersizeP30 M03 M06 M10

X

X

X

X X

X X

X X

X X

X X

X X

X

X

XXXXXXXX

XX

XX

X

XX

XXX

XXX

Studs available in P03, P07 and P12.

NOTE

When ordering oversize or undersize parts, be sure to specify the required oversize or undersize dimensionalong with the proper part number. For example: to order bearing L W- 15328-M3. Oversize code is "P" whileundersize code letter is "M". These letters are then followed by the number designating the size in thousandthsof an inch.

iii

AVCO LYCOMING TO, LTO-360 76 SERIES PARTS CATALOGCRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP

CRANKCASE ASSEMBLY

QUANTITY PER ASSEMBLY

REF. NUMBER11 LW-16802

LW-168042 LW-150453 LW-152764 LW-152775 50-156 38-137 STD-557

8 LW-153769 LW-15377

10 6979611 25C-1012 31C-1213 31C-1314 110215 STD-133916 25C-917 110218 31C-1619 61548

61548-YB20 STD-190121 STD-394

DESCRIPTION

CRANKCASE ASSEMBLYCRANKCASE ASSEMBLY

BUSHING, Magneto driveSTUD, 112-20 x 10-23/32 longSTUD, 1/2-13 x 8-23/32 longSTUD, 1/2-20 x 1-7/8 longSTUD, 3/8-16 x 1-5/8 longDOWEL, 25/64 ID x 1/2 OD x

11/16 long, hollowTUBE, Oil transferTUBE, Oil transferDOWEL, Crankshaft bearingSTUD, 1/4-20 x 1-1/4 longSTUD, 5/16-18 x 1-1/2 longSTUD, 5/16-18 x 1-5/8 longPLUG, 1/8-27 NPT, Allen hd.PLUG, 1/16-27 NPT, Allen hd.STUDPLUG, 1/8-27 NPT, Allen hd.

STUD, 5/16-18 x 2.00 longPLATE, NamePLATE, NameDRIVE STUD, No. 4 x 3/16 long, rd. hd.DOWEL, 3/32 dia. x 11/32 long

TO-360 LTO-360

11

248

16

311

2381412141141

Figure 1.

1-1

16

15

AVCO LYCOMING TO, LTO-360 76 SERIES PARTS CATALOG

FIG. PARTREF. NUMBER21 LW-153282 LW-180173 LW-137924 72075

5 72091

6 1028-B7 610848 STD-1045

9 7780810 LW-15617

LW-1635111 LW-15618

LW-1635012 STD-219113 STD-67814 LW-38-2.7515 7222016 LW-14785

LW- 16783-1

CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP

CRANKCASE RELATED PARTS

QUANTITY PER ASSEMBLYTO-360 LTO-360

DESCRIPTION ALL

BEARING, Crankshaft 4BEARING. Crankshaft, front 2SEAL, Crankshaft, oil 1RING. Oil seal, 3/8 ID x 7/64

section (6 thru studs & rear) 7RING, Oil seal, 3/8 ID x 7/60

section (front end) 2BALL, 11/16 dia. 1SPRING, Oil pressure relief valve 1GASKET, 1-1/4 ID x 1-1/2 OD x 3/32

annular 1VALVE ASSY., Oil pressure relief, adjustable 1BRACKET, Engine mount, upper, right 1BRACKET, Engine mount, upper, leftBRACKET, Engine mount, lower, rightBRACKET, Engine mount, lower, left 1WASHER, 3/8 ID x 13/16 OD x 3/32 8WASHER, 3/8 internal lock 8BOLT, 3/8-16 x 2-3/4 long, hex. hd. 8GASKET, Oil level gage 1GAGE ASSEMBLY, Oil level 1GAGE ASSEMBLY, Oil level

-4

-9

Figure 2.

1-2



CRANKSHAFT AND STARTER RING GEAR SUPPORT


FIG. PARTREF. NUMBER31 LW-15836

LW-160182 LW-15835

LW-16017

3 STD-1211

4 LW-15834

LW-16016

5 STD-20786 615107 720608 72074

9 72061

10 7206211 73810

12 7280113 71903

14 LW-10977

15 LW-10945

16 LW-14820

17 7190718 LW-14708

19 LW-10332

20 AN8-1021 77579

LW-11519

22 L.W-10551

72566

DESCRIPTION

CRANKSHAFT & COUNTERWEIGHT ASSY.CRANKSHAFT & COUNTERWEIGHT ASSY.

CRANKSHAFT ASSEMBLYCRANKSHAFT ASSEMBLY

PLUG, 2.00 dia. expansionCRANKSHAFT, Machining, sub-

assemblyCRANKSHAFT, Machining, sub-

assemblyDOWEL, 3/8 OD x 1/2 longPLUG, 1-3/4 ODBUSHING, Propeller flange, indexingBUSHING, Propeller flange,

indexing, longBUSHING, Propeller flange,

indexing, shortBUSHING, Propeller flange, longBUSHING, Crankshaft,

dynamic counterweightCOUNTERWEIGHT ASSMEMBLY

BUSHING, Dynamic counterweightROLLER, Dynamic counterweight,

- 8th order

ROLLER, Dynamic counterweight,- 6.3 order

RING, Internal retainingWASHER, Dynamic counterweight

GEAR, CrankshaftLOCKPLATEBOLT, 1/2-20 x 1-3/32 longSUPPORT ASSY., Starter ring

gear, 12/14 pitchSUPPORT ASSY., Starter ring

gear, 12/14 pitchGEAR, Starter ring, 12/14 pitchGEAR, Starter ring, 12/14 pitch

ON TO-360 LTO-360

ALL

1

1

1

1

1

11

1

14

23

428

2

2881

1

1

1

1

1

1-3

0c


z

z

o

Figure 3. Crankshaft and Starter Ring Gear Support

1-4

AVCO LYCOMIING TO, LTO-360 76 SERIES PARTS CATALOGCRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP

CAMSHAFT AND TACHOMETER DRIVE ASSEMBLY


NUMBER41 LW-16509

LW-16515

2 LW-16508LW-16514

3 STD-1066

4 LW-150325 STD-21696 LW-150317 72078

8 STD-7039 LW-16573

10 LW-1657511 LW-1426012 LW-1657413 6273214 STD-815 STD-16016 STD-141117 LW-15379

DESCRIPTION

CAMSHAFT, GEAR & TACHOMETERSHAFT ASSEMBLY

CAMSHAFT, GEAR & TACHOMETERSHAFT ASSEMBLYCAMSHAFT ASSEMBLYCAMSHAFT ASSEMBLY

DOWEL, Stepped, 5/16 & 1/4 dia.x13/32 long

SHAFT ASSEMBLY, TachometerROLL PIN, 3/16 dia. x 1-1/8 longGEAR, CamshaftLOCKPLATE, 5/16 bolt x 1-21/64

spacingBOLT, 5/16-24 x 37/64 long, hex. hd.GASKET, Tachometer adapterTACH. ADAPTER & SEAL ASSY.

SEAL, Tachometer drive oilADAPTER, Tachometer

CAP, Tachometer driveWASHER, 1/4 plainWASHER, 1/4 lockNUT, 1/4-20BAFFLE, Breather

TO-360 LTO-360ONALL

1

11

1

1111

24111112221

1317-

5

6

3

Figure 4.

1-5

15

AVCO LYCOMING TO, LTO-360 76 SERIES PARTS CATALOGCRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP

PROPELLER GOVERNOR DRIVE


FlG. PARTREF. NUMBER51 LW-152742 STD-963 LW-151404 LW-151415 LW-151426 STD-20597 LW-151098 STD-89 STD-160

10 STD-141111 7205312 7237813 STD-3514 STD-47515 STD-1410

DESCRIPTION

GEAR, Prop. Governor driveKEY, Woodruff, 3/4 dia. x 3/16 thickSHAFTGEAR, Prop. governor driveWASHER, Thrust prop. governor driveCOVER, Prop. governor driveSCREW, 1/4-20 (nylon lock)"O" RING, 1-39/64 ID x 7/64 dia. sect.WASHER, 1/4 plainWASHER, 1/4 internal lockNUT, 1/4-20 plainGASKET, GovernorCOVER, Governor driveWASHER, 5/16 plainWASHER, 5/16 internal lockNUT, 5/16-18 plain

TO-360 LTO-360ONALL

1

111111

3221

1

un

44

3

-2

4

-7

6-

5

Figure 5.

14,



CRANKCASE ATTACHING PARTS


FIG. PARTREF. NUMBER61 AN6-36A2 STD-333 STD-6784 STD-5965 STD-12156 STD-21037 STD-88 STD-1609 STD-395

10 STD-811 LW-1506312 STD-204713 STD- 16014 STD-815 STD-16016 STD-1646

ON TO-360 LTO-360

DESCRIPTION

BOLT, 3/8-24 x 3-13/16 long, hex. hd.WASHER, 3/8 plainWASHER, 3/8 internal lockNUT, 3/8-24 plainBOLT, 1/4-20.x 1-1/4 long, hex. hd.BOLT, 1/4-20 x 3-3/8 long, hex. hd.WASHER, 1/4 plainWASHER, 1/4 interlockBOLT, 1/4-20 x 1-1/4 long,

hex. hd. dr. hd.WASHER, 114 plainEYE, LiftingBOLT, 1/4-20 x 1-3/8 long, hex. hd.WASHER, 1/4 internal lockWASHER, 1/4 plainWASHER, 1/4 internal lockBOLT, 1/4-20 x 2.00 long, hex. hd.

ALL

2422

164

2020

33222222

5,7,8

Figure 6.

1-7

2-

22



OIL PUMP AND VACUUM PUMP DRIVE


FIG. PARTREF. NUMBER71 LW-153452 STD-2057

3 LW-15263

4 STD-1063

5 LW-15262

6 LW-15999

7 LW-159988 LW-15070

9 LW-15931

LW-15976

LW- 16684

LW-1 6688

10 25C-12

11 STD-557

DESCRIPTION

SHAFT, Oil & Vacuum pump drive

KEY, 5/8 dia. x 5/32 woodruff

GEAR, Oil pump drive

NUT, 9/16-18 x 9/32 highLOCKPLATE, Oil pump gear

IMPELLER ASSY., Oil pump driven

IMPELLER, Oil pump driving

SEAL, "o" ring, 3-1/2 ID x 7/64 dia. sect.BODY ASSY., Oil pump & vacuum pump

drive

ON TO-360 LTO-360

ALL

1

1

1

111

1213

14

1516

17

18

19

20

21

22

66145STD-783

STD-2217

STD-35STD-475STD-1410

8313

60430

STD-8STD- 160

STD-1411

BODY ASSY., Oil pump & vacuum pump

drive

BODY ASSY., Oil pump & vacuum pump

drive

BODY ASSY., Oil pump & vacuum pumpdrive

STUD, 1/4-20 x 1-1/2long 4

DOWEL, 25/64 ID x 1/2 OD x11/16 long, hollow 1

DOWEL, 1/4 dia. x 1/2 long 1

PLUG, 1/4-18 NPT, Socket hd.

OIL SEAL, 7/8 ID x 1-1/2 OD x 5/16 wide 1

WASHER, 5/16 plain 4WASHER, 5/16 internal lock 4

NUT, 5/16 plain 4

GASKET, Vacuum pump 1COVER, Vacuum pump 1

WASHER, 1/4 plain 4WASHER, 1/4 lock, internal teeth 4

NUT, 1/4-20 plain 4

1

1

18

Figure 7. Revised May, 1985

1-8



OIL FILTER AND FUEL PUMP

FIG. PARTREF. NUMBER81 LW- 150462 LW-15047

3 MS124703

4 STD-8

5 STD-160

6 LW-25-3.00

7 25C-108 STD-14119 MS29512-8

10. LW-10637

11 LW-13906

LW-16286

12 LW-1390413 STD-294

14 75944

15 7651016 6009617 LW-1694718 STD-33

19 STD-1882

20 AN840-12DAN844-12D


DESCRIPTION

GASKET, Oil filter adapter

OIL FILTER ADAPTER ASSEMBLYINSERT, Heli-coil, 3/4-16 NF-3x 1-1/4 long

WASHER, 1/4 plainWASHER, 1/4 internal lockBOLT, 1/4-20 x 3.00 long, hex. hd.STUD, 1/4-20 x 1-1/4 longNUT, 1/4-20 plain

SEAL, Oil, 21/32 OD x 3/32 sect.ELBOW, 1/2 tube x 3/4-16 thd., 90 °

adjustableFILTER ASSEMBLY, Oil, shortFILTER ASSEMBLY, Oil, short, alternateKIT, Converter plate, oil filter

GASKET, 7/8 OD x 5/8 ID x .09 annularVALVE ASSY., Temp. control,

oil cooler bypass

GASKET, Valve assemblyGASKET, Fuel pumpFUEL PUMP, Dual diaphragmWASHER, 3/8 plain

SCREW, 3/8-16 1-9/32 long,

socket hd., drive hd.FITTING, Breather

FITTING, Breather, 45

ON TO-360 LTO-360

ALL

ALL

22121

133

1

1

12

2

1

19

Revised May, 1985 Figure 8.

1-9

5


CYLINDER, PISTON AND VALVE TRAIN

CONNECTING ROD, PISTON AND PISTON RINGS

FIG. PARTREF. NUMBER91 LW-152882 LW-139233 78027

4 LW-121865 LW-13209

6 LW-12733

7 LW-14078

8 60828

9 7424110 73857

DESCRIPTION

ROD ASSEMBLY, ConnectingBUSHING, Connecting rod, upperBOLT, Connecting rodNUT, Connecting rod

BEARING, Connecting rodPISTON, Compression ratio, 8.0:1 min.PIN, PistonPLUG, Piston pinRING, Piston - compressionRING, Piston, oil regulating - expander

type


ON TO-360 LTO-360

ALL

44

8884

4

8

8

4

8

-6

8

Figure 9.

2-1

3

AVCO LYCOMING TO LTO-360 76 SERIES PARTS CATALOG


CYLINDER ASSEMBLY


FIG. PARTREF. NUMBER10

1 LW-153222 LW-162902 720573 720584 769435 771606 66796

69260

7 STD-18728 31C-129 25C-9

10 LW-1536011 31-1612 1102

DESCRIPTION

CYLINDER & HEAD ASSY., NitridedCYLINDER & HEAD ASSY., Nitrided

SEAT, Intake valveSEAT Exhaust valveGUIDE Valve, intakeGUIDE, Valve, exhaustINSERT, Spark plug 18-1.5MMINSERT, Spark plug 18-1.5MM

(long reach)INSERT, 1/8-27 Hell-coil, taper pipe thd.STUD, 5/16-18 x 1-1/2 longSTUD, 1/4-20 x 1-1/8 longELBOW, 1/2 flared tube, 45°

STUD, 5/16-18 x 2.00 longPLUG, 1/8-27 NPT, Allen hd.

ON TO-360 LTO-360

ALL

4444448

8884484

Figure 10.

2-2

7



VALVE ASSEMBLY

FIG. PARTREF. NUMBER111 LW-153142 76081

3 LW-11795

4 LW-11800

5 65441

6 LW-13323

7 LW-10077

8 LW-16475

9 60009

10 MS13997-3

11 LW-1531612 LW-16056

13 LW-14995

14 LW-1227215 STD-1411

16 LW-R-0.750-27517 70310

DESCRIPTION

VALVE, IntakeVALVE, Exhaust (rotator type) inconelSPRING, Valve, innerSPRING, Valve, outerSEAT, Valve spring, lower, intakeSEAT, Valve spring, lower, exhaustSEAT, Valve spring, upper, intakeSEAT, Valve spring, upper,

exhaust (rotator type)KEY, Valve, intakeKEY, Valve, exhaust (rotator type)CAP, Valve, exhaust (rotator type)TUBE, Push rod shroudSPRING, Shroud tubeLOCKPLATE, Shroud tubeNUT, 1/4-20 plainSEAL, Shroud tubeSEAL, Shroud tube


ON TO-360 LTO-360

ALL_

44

8

84

4

4

4

8

8

4

8444

88

3

4

-5

6-

-17

16

2

Figure 11.

2-3

12



PUSH RODS, ROCKER ARMS AND HYDRAULIC LIFTERS


FIG. PARTREF. NUMBER121 LW-153242 LW-15407

3 LW-15014

4 LW-15707

5 MS21045-56 75906

7 LW-15330

8 STD-1925

9 71481

10 383-8

11 STD-2090

12 LW-16812

DESCRIPTION

ROD ASSEMBLY, PushSEAT, Valve, rocker arm fulcrumARM, Valve rockerWASHER, 21/64 ID x 1/64 thickNUT, 5/16-24 self-lockingGASKEt, Rocker-box coverCOVER, RockerSCREW, 1/4-20 x 5/8 long,

pan. hd., self-lockingRING, Oil seal, .09 dia. x 4-27/32 IDNUT, 3/8-24 plainNUT, 1/2-20 plainTAPPET, Hydraulic

ON TO-360 LTO-360

888

un844

244

16168

2-5

-6

7

Figure 12.

2-4



CYLINDER HEAD DRAIN TUBES AND INTERCYLINDER COOLING BAFFLES


FIG. PARTREF. NUMBER'13

1 LW-153592 STD-2182

3 LW-15592-8-084 LW-15361

DESCRIPTION

NIPPLE, 1/4-18 x 1/2 ID HoseHOSE, 1/2 ID x 2-15/32 long

CLAMP, Hose

TUBE ASSEMBLY, Cyl. hd. oil

drain, cyl. no. 1TUBE ASSEMBLY, Cyl. hd. oil

drain, cyl. no. 2TUBE ASSEMBLY, Cyl. hd. oil

drain, cyls. no. 3 & 4BAFFLE ASSEMBLY, Intercylinder

RETAINER, IntercylinderHOOK, Intercylinder baffle retainer

ON TO-360 LTO-360

ALL

4

4

8

1

1

22

2

2

LW-15362

LW-14680

5 753396 716117 71610

Figure 13.

2-5

AVCO LYCOMING TO, LTO-360 76 SERIES PARTS CATALOGIGNITION SYSTEM

MAGNETO, MAGNETO DRIVE AND SPARK PLUGS


FIG. PARTREF. NUMBER141 LW-156592 LW-15097

3 688754 LW-121365 LW-126816 LW-385124-129

LW-385124-1307 LW-382555-16

LW-382555-13

8 LW-684406-303LW-684411-402

9 7596510 STD-47511 STD-141012 LW-620026-213 LW-620028-314 7673415 1182-D4

1182-U5

DESCRIPTION

GEAR, MagnetoRING, "o", 13/16 ID x 5/64

dia. sectionRETAINER, Magneto dr. cushionCUSHION, Magneto driveGASKET, Magneto adapter & magnetoMAGNETO IGNITION SYSTEMMAGNETO IGNITION SYSTEM

MAGNETO, Igniton type D4RN-2021(15 ° lag angle)

MAGNETO, Ignition type D4LN-2021(15° lag angle)

HARNESS, IgnitionHARNESS, Ignition

CLAMP, MagnetoWASHER, 5/16 internal lockNUT, 5/16-18 plainCLIP, One wireCLIP, Two wireZIP STRAPSSPARK PLUG, Champion (RHM-38E)SPARK PLUG, Champion (RHB-32E)

long reach

TO-360 LTO-360ONALL

112

1

1

1

1

11

222

22

138

8

See Bendix Service Parts List for parts breakdown.

Figure 14.

3-1

AVCO LYCOMING TO, LTO-360 76 SERIES PARTS CATALOGELECTRICAL SYSTEM

STARTING MOTOR AND ALTERNATOR BRACKET



DESCRIPTION

1 LW-15571 STARTER, 12 volt (3.38:1 int. red.)

(MZ-4222)

LW-14215 STARTER, 12 volt (3.38:1 int. red.)(MZ-4220)

2 STD-35 WASHER, 5/16 plain

3 STD-475 WASHER, 5/16 internal lock

4 STD-2156 BOLT, 5/16-18 x 1-5/32 long, hex. hd.

5 STD-1410 NUT, 5/16-18 plain

6 LW-15267 BRACKET, Alternator

7 STD-1858 BOLT, 5/16-18 x 29/32 long, dr. hd.

8 LW-15266 LINK, Alternator adjusting

9 STD-35 WASHER. 5/16 plain

10 LW-15265 STRUT, Alternator support11 STD-1817 BOLT. 5/16-18 x 3/4 long, dr. hd.

12 STD-1727 WASHER, plain, 3/4 OD x 5/16 ID

x 1/8 thick

13 AN6-14 BOLT, 3/8-24 x 1-9/16 long, dr. end14 AN6-13 BOLT, 3/8-24 x 1-29/64 long, dr. end

15 76534 SHIM, 1-1/80D x 13/32 x.005 thick

16 STD-690 WASHER, 13/16 ID x 3/8 OD x 1/1617 STD-872 NUT, 3/8-24 slotted

18 STD-713 COTTER, Pin, 3/32 dia. x 3/4 long

See SSP-1471 for starter motor parts breakdown.

TO-360 LTO-360

ALL

14

4

1

31

3

1

22111

un

un

2

2

Figure 15.

4-1


OIL SUMP AND INDUCTION SYSTEM

OIL SUMP ASSEMBLY



1 LW-150712 LW-14888

3 31C-14

4 STD-8

5 STD-160

6 STD-19997 STD-12048 STD-1975

9 STD-55110 25C-10

11 STD-1411

12 STD-405

13 61378

14 STD-1045

15 61358

DESCRIPTION

GASKET, Oil sump

SUMP ASSEMBLY, Oil

STUD, 5/16-18 x 1-3/4

WASHER, 1/4 plain

WASHER. 1/4 internal lock

BOLT, 1/4-20 x 6.00 long

BOLT, 1/4-20 x 15/16 long

BOLT, 1/4-20 x 2-9/16 longPLUG, 1/2-14 NPT, Sq. hd.

STUD, 1/4-20 x 1-1/4 longNUT, 1/4-20 plain

PLUG, 1/8-27 NPT, Sq. hd., drilled

SCREEN, Oil suction

GASKET, 1-1/4 ID x 1-1/2 OD x 3/32PLUG, 1-1/4-12 hex. hd.

ON TO-360 LTO-360

ALL

114

14

14

4

71

32

2

2

1

1

1

Figure 16.

5-1

See MS 609/631 for parts breakdown of Marvel-Schebler carburetors.

A


OIL SUMP AND INDUCTION SYSTEM

INTAKE PIPES AND CARBURETOR


FIG.REF.'17

PARTNUMBER

1 717122 LW-149163 LW-141344 LW-15592-8-245 LW-15592-8-286 71973

7 733468 STD-89 STD-160

10 STD-121511 LW-16407

12 LW-15592-8-24

13 7715414 LW-16419

15 STD-3516 STD-141017 STD-176318 72377

DESCRIPTION

PIPE, Intake, cyls. no. 1 & 2PIPE, Intake, cyls. no. 3 & 4HOSE, Intake pipesCLAMP, HoseCLAMP, HoseGASKET, 2 bolt flange, 1-13/16 IDFLANGE, Intake pipe, upperWASHER, 1/4 plainWASHER, 1/4 internal lockBOLT, 1/4-20 x 1-1/4 long, hex. hd.HEAT SHIELD, (Cyl. 1, 2 & 4)CLAMPGASKET, CarburetorCARBURETOR, Model HA-6WASHER, 5/16 plainNUT, 5/16-18 plainLOCKNUT, 5/16 palnutELBOW, 3/8 tube, adj., 900

(fuel pump inlet)

ON TO-360 LTO-360

ALL22

44

4

4

48

88

3

61

14

4

4

Figure 17.

5-2


TURBOCHARGER AND EXHAUST SYSTEMTURBOCHARGER ATTACHING PARTS


REF . NUMBER DESCRIPTION181 LW-16264 TURBOCHARGER2 LW-16395 BRACKET, Turbocharger3 LW- 16415 STRUT, Turbocharger4 LW-31SSH.81 BOLT, 5/16-18 x 13/16 long, hex. hd.,

dr. hd.5 LW-16246 DUCT, Air inlet6 LW-16217 HOSE, 2.00 ID x 3/16 wall x 2-9/16 long7 LW-15858-62-244 CLAMP, Hose, 2-7/16 dia. x 9/16 wide8 MS29513-138 SEAL, "O" ring, 2-7/64 OD x 3/32 sect.9 LW-16265-1 VALVE ASSY., Absolute pressure relief

10 STD-425 WASHER, No. 10 plain11 STD-251 WASHER, No. 10 internal lock12 STD-375 SCREW, No. 10-24 x 5/8 long, fill hd.13 73944 ELBOW, 1/4 tube adj., 45°

14 LW-14114 CONNECTOR, Exh. valve oil line15 LW-12878-4S-170 HOSE ASSY., (Nipple to turbo oil inlet16 77813 GASKET, Turbo oil inlet17 77814 ADAPTER, Turbo oil inlet18 STD-35 WASHER, 5/16 plain19 STD-475 WASHER, 5/16 internal lock20 STD-1902 BOLT, 5/16-18 x 1.00 long, hex. hd.21 LW-12690 ELBOW, 90 °, Tube to male pipe

(turbo oil inlet)22 76734 ZIP STRAP23 75356 GASKET, Turbo oil drain24 LW-16416 FLANGE, Turbo oil drain25 STD-33 WASHER, 3/8 plain26 STD-678 WASHER, 3/8 internal lock27 STD-1946 BOLT, 3/8-16 x 7/8 long, hex. hd.28 LW-16417 TUBE, Turbo oil drain29 LW-14394 HOSE, Turbo oil drain30 LW-15592-S-08 CLAMP, Hose31 LW-16747 ELBOW, 5/8 ID Hose x 1/2 NPT (in sump)32 LW-16618 SUPPORT, Exhaust tail pipe33 AN6C-11A BOLT, 3/8-24 x 1-13/64 long, hex. hd.34 AN6C-12A BOLT, 3/8-24 x 1-21/64 long, hex. hd.35 MS20500-624 NUT, 3/8-25 self-locking36 LW-16615 WELDED ASSY., Exhaust air bleed37 LW-16614 TUBE, Exhaust bleed38 LW-16612 BOLT, 1/2-13 x 2.00 long, hex. hd.

TO-360 LTO-360

111

31

1

211

4441

111

2222

121

1

222

1

2

4

1

1

2

2

4

1

1

1

1

1

1

1

1

1

1

39 LW-1661340 LW-1639341 LW-12093-842 LW-1670543 AN960C-51644 STD-215745 STD-2043

(special)NUT, 1/2-13 NC-3

PIPE, Exhaust, tailCOUPLING. V-bandBAND, Tail pipe supportWASHER, 5/16 plain (on nut end)BOLT, 5/16-18 x 7/8 longNUT, 5/16-18 self locking

6-1


28

44-30

22 10I I

12

Figure 18. Turbocharger Attaching Parts

6-2

AVCO LYCOMING TO, LTO-360 76 SERIES PARTS CATALOGTURBOCHARGER AND EXHAUST SYSTEM

EXHAUST AND AIR INLET ATTACHING PARTS

QUANTITY PER ASSEMBLYTO-360 LTO-360FIG. PART

REF. NUMBER191 776112 LW-163893 LW-163814 780825 LW-163836 LW-163847 LW-163888 LW-163869 LW-16387

10 7807711 LW-1638312 LW-1638013 7807714 LW-1638215 7808216 LW-1638517 STD-47518 STD-141019 LW-12093-520 7808421 LW-12093-422 7825723 LW-1640624 LW-1647425 LW-1639926 LW-1347327 LW-1588628 STD-2199

29 STD-1925

ONALLDESCRIPTION

GASKET, Exhaust flangeMANIFOLD ASSY., Exhaust, right

PIPE, Exhaust, cyl. no. 1 & 3FLANGE, V-band

ADAPTER, Exhaust pipe, cyl. no. 1 & 3ADAPTER, Exhaust pipe, cyl. no. 1

MANIFOLD ASSY., Exhaust, leftPIPE, Exhaust, cyl. no. 2PIPE, Exhaust, cyl. no. 4

FLANGE, V-bandADAPTER, Exhaust pipe, cyl. no. 2 & 4

PIPE, Exhaust, rear, intermediate, leftFLANGE, V-band

PIPE, Exhaust crossoverFLANGE, V-band

PIPE, Exhaust, rear, leftWASHER, 5/16 lock, int. teethNUT, 5/16-16 plainCOUPLING, V-band, 2.00 OD pipeGASKET, V-band, 2.00 pipeCOUPLING, V-band, 1-3/4 OD pipeGASKET, V-band, 1-3/4 OD pipeHEAT SHIELDCLAMP, 1-9/16 x 2.00 dia. x 1/2 wideTRANSITION, ExhaustGASKET, Carburetor inletADAPTER, Carburetor inletSCREW, 1/4-20 x 3/4 long,

pan. hd., self-lockingSCREW, 1/4-20 x 5/8 long,

pan. hd., self-lockingHOSE, 3.00 ID x 2-1/2 long

41

1

1

1

1

1

1

1

1

1

1

1

1

8

8

1

1

1

1

1

2

1

1

1

3

1

1

2

30 LW-1585931 LW-15858-62-350CLAMP, Hose, 3-1/2 ID x 9/16 wide

6-3


N

Figure 19. Exhaust and Air Inlet Attaching Parts Revised May, 1985

6-4


SECTION 7SERVICE KIT SECTION

SEAL AND GASKET SETTO-360, LTO-360 76 SERIES

Part NamePart No. Qty.

LW-16765STD-208STD-294STD-1045MS29513-138MS29512-8831360096776116622470310714817197372053720757207872091722207231275906LW-12272LW-12681LW-14995LW-13792LW-14260LW-15046LW-15070LW-1 5071LW-1 5097LW-15109LW-1 5262LW-1528061173615237715477813LW-1347375356

SEAL AND GASKET SETSEAL, OilGASKET, Thermometer wellGASKET, Oil pressure relief valveSEAL, OilSEAL, OilGASKET, Vacuum pumpGASKET, Fuel pumpGASKET, Exhaust flangeGASKET, CarburetorSEAL, Shroud tubeRING, Oil sealGASKET, Intake flangeGASKET, Governor driveSEAL, OilLOCKPLATE, Cam gearRING, Oil sealGASKET, Oil fillter ext.RING, Oil sealGASKET, Rocker box coverLOCKPLATE, Shroud tubeGASKET, MagnetoSPRINGSEAL, Crankshaft oilSEAL, Tach. shaftGASKET, Oil filter adapterSEALGASKET, Oil sumpSEALSEALLOCKPLATE, Oil pump gearSEAL, Shroud tubeGASKET, Press. hsg.BOXGASKET, CarburetorGASKET, Turbo oil inletGASKET, Carburetor inletGASKET, Turbo oil drain

11121211418442722114414111111118111111

7-1


SECTION 7SERVICE KIT SECTION

CYLINDER, PISTON AND RING KITTO-360, LTO-360 76 SERIES

Part NamePart No. Qty.

LW-16764MS1 3997-3MS21045-5STD-1411STD-192560009608286544170310711957148173857742417608175906LW-16475LW-10077LW-11795LW-11800LW-12272LW-13323LW-14995LW- 14078LW-15407LW-15014LW-1 5709LW-1 5280LW-15314LW-1 5316LW-16290LW-15330LW-12733

CYLINDER, PISTON AND RING ASSEMBLYKEY, Valve exhaustNUT, Self-lockingNUT, PlainSCREW, Self-lockingKEY, Valve intakePLUG, Piston pinSEAT, Valve spring - lowerSEAL, Shroud tubeBOX, Set-upRING, Oil sealRING, PistonRING, Piston, compressionVALVE, Exh. (rotator type)GASKET, Rocker box coverSEAT, Valve spring, upper, exhaustSEAT, Valve spring, upper, intakeSPRING, Valve innerSPRING, Valve outerLOCKPLATE, Shroud tubeSEAT, Valve spring, lower, exhaustSPRING, Shroud tubePIN, PistonSEAT, Valve rocker armROCKER ASSY., ValveWASHERSEAL, Shroud tubeVALVE, IntakeCAP, Valve stem, exhaustCYLINDER ASSY., (Nitride) long reachCOVER, Rocker boxPISTON

12216221211121111221111226211111

7-2


SECTION 8NUMERICAL INDEX

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

AN6C-11AAN6C-12AAN960C-516AN6-13AN6-14AN6-36AAN8-10AN840-12DAN844-12DLW-10077LW-10332LW-10551LW-10637LW-10945LW-10977LW- 11519LW-11795LW-11800LW- 12093-4LW- 12093-5LW-1 2093-8LW-12136LW-12186LW-12272LW-12681LW-1 2690LW-12733LW-1 3209LW-13323LW- 13473LW-1 3792LW-1 3904LW-13906LW-13923LW-14078LW-14114LW-14134LW-14215LW-1 4260LW-1 4394LW-1 4680LW-1 4708LW-14785LW-1 4820LW-1 4888LW-14916LW-14995LW-1 5014LW-1 5031LW-1 5032LW-1 5045

BoltBoltWasherBoltBoltBoltBoltFittingFittingSeatLockplateGearElbowRollerRollerSupport Assy.SpringSpringCouplingCouplingCouplingCushionNutLockplateGasketElbowPistonBearingSeatGasketSealConverter Plate KitFilterBushingPinConnectorHoseStarterSealHoseTube Assy.GearGage Assy.RingSumpPipeSpringRockerGearShaftBushing

6-16-16-14-14-11-71-31-91-92-31-31-31-91-31-31-32-32-36-36-36-13-12-12-33-16-12-12-12-36-31-21-91-92-12-16-15-24-11-56-12-51-31-21-35-15-22-32-41-51-51-1

LW-1 5046LW-1 5047LW- 15063LW-1 5070LW-1 5071LW-1 5097LW-15109LW-15140LW-15141LW-15142LW-1 5262LW-1 5263LW-1 5265LW-15266LW-15267LW-1 5274LW-1 5276LW-1 5277LW-1 5288LW-1 5314LW-1 5316LW-1 5322LW-1 5324LW-1 5328LW-1 5345LW-1 5360LW-15376LW-15377LW-15379LW-1 5407LW-1 5571LW-1 5617LW-1 5618LW-1 5834LW-15835LW-1 5836LW-1 5859LW-1 5886LW-1 5931LW-1 5933LW-1 5998LW-1 5999LW-16016LW-16017LW-16018LW- 16056LW-16217LW-1 6246LW-1 6264LW-1 6265-1LW-16286

GasketAdapterEyeSealGasket"0" Ring"0" RingShaftgearWasherCoverLockplateGearStrutLinkBracketGearStudStudRodValveCapCylinder & HeadRod AssemblyBearingShaftElbowTubeTubeBaffleSeatStarterBracketBracketCrankshaftCrankshaft Assy.Cr'kshaft & C'twt. Assy.HoseAdapterBody Assy.Body Assy.ImpellerImpeller Assy.CrankshaftCrankshaft Assy.Cr'kshaft & C'twt. Assy.TubeHoseDuctTurbochargerValve Assy.Filter

1-91-91-71-85-13-11-61-61-61-61-81-84-14-14-11-61-11-12-12-32-32-22-41-21-82-21-11-11-52-44-11-21-21-31-31-36-36-31-81-81-81-81-31-31-32-36-16-16-16-11-9

8-1


SECTION 8NUMERICAL INDEX (Cont).


LW-1 6290LW-1 5330LW- 16350

LW-16351LW-1 5359LW-1 5361LW-1 5362LW-16380LW-1 6381LW-16382LW-1 6383

LW-1 6384LW-16385LW-1 6386LW-16387LW-16388LW- 16389LW-1 6393LW-16395LW-1 6399LW- 16406LW-16407LW-16415

LW-1 6416LW-16417LW-16419LW- 16474LW-1 6475LW-1 6508

LW-1 6509LW-16514LW-16515LW-16573LW-16574LW-16575LW-1 6612LW-16613LW-1 6614LW-16615LW-16618LW-1 5659LW-1 6684LW- 16688LW-16705LW-1 5707

LW-1 6747LW-16783-1LW-1 6802LW- 16804LW-16812

Cylinder & HeadCoverBracketBracketNippleTube AssemblyTube AssemblyPipePipePipeAdapterAdapterPipePipePipeManifold Assy.ManifoldPipeBracketTransitionHeat ShieldHeat ShieldStrutFlangeTubeCarburetorClampSeatCamshaftCamshaftCamshaftCamshaftGasketAdapterTach. Adapter & SealBoltNutTube Exhaust BleedExhaust Air BleedSupportGearBody Assy.Body Assy.BandWasherElbowGage Assy.Crankcase Assy.Crankcase Assy.Tappet

2-22-41-2

1-22-52-52-56-36-36-36-3

6-36-36-36-36-36-3

6-16-16-36-35-26-1

6-16-15-26-32-31-5

1-51-51-51-51-51-56-16-16-16-16-13-11-81-86-12-4

6-11-21-11-12-4

LW-1 6947LW-1 8017LW-R-0.750-275LW-25-3.00LW-31SSH.81LW-38-2.75LW-1 2878-4S-1 70LW-1 5592-S-08LW-1 5592-8-08LW-1 5592-8-24LW-15592-8-24LW-1 5592-8-28LW-1 5858-62-244LW-15858-62-350LW-382555-13LW-382555-15LW-382555-16LW-385124-121LW-385124-129LW-385124-130LW-620026-2LW-620028-3LW-684406-303LW-684411-402MS124703MS13997-3MS20500-624MS21045-5MS29512-8MS29513-138STD-8STD-8STD-8STD-8STD-8STD-8STD-8STD-33STD-33STD-33STD-35STD-35STD-35STD-35STD-35STD-96STD- 160STD- 160STD- 160STD- 160

Fuel PumpBearingSealBoltBoltBoltHose Assy.ClampClampClampClampClampClampClampMagnetoMagnetoMagnetoMagnetoMagnetoMagnetoClip, one wireClip, two wireHarnessHarnessInsertKeyNutNutSealSealWasherWasherWasherWasherWasherWasherWasherWasherWasherWasherWasherWasherWasherWasherWasherWoodruff KeyWasherWasherWasherWasher

1-91-22-3

1-96-11-26-16-12-55-25-2

5-26-16-33-13-13-1

3-13-13-13-13-13-1

3-11-92-36-12-41-9

6-11-51-61-71-81-95-15-21-71-96-11-61-84-15-26-1

1-61-51-61-71-8

8-2



PART NO.

STD- 160STD-160STD- 160STD-205STD-208STD-251STD-294STD-375STD-394STD-405STD-425STD-475STD-475STD-475

STD-475STD-475STD-475STD-551STD-557STD-557STD-596STD-678STD-678STD-678STD-690STD-703STD-713STD-783STD-872STD-1045STD-1045STD-1063STD-1066STD-1204STD-1211STD-1215STD-1215STD-1339STD-1410STD-1410STD-1410STD-1410STD-1410STD-1410STD-1411STD-1411STD-1411STD-1411STD-1411STD-1411

PART NAME

WasherWasherWasherScrewOil SealWasherGasketScrewDowelPlug

WasherWasherWasherWasher

WasherWasherWasherPlug

DowelDowelNutWasherWasherWasherWasherBoltCotter PinPlugNut

GasketGasketNutDowelBoltPlugBoltBoltPlugNutNutNutNutNutNutNutNutNutNutNutNut

PAGE NO.

1-95-15-21-61-86-11-96-11-15-16-11-61-83-1

4-16-16-35-11-11-81-71-21-76-14-11-54-11-84-11-25-11-81-55-11-31-75-21-11-61-83-14-15-26-31-51-61-81-92-35-

PART NO.

STD-1646STD-1727STD-1763STD-1817STD- 1858STD-1872STD-1882STD-1901STD-1902STD-1925STD-1925STD-1946STD-1975STD-1999

STD-2043STD-2047STD-2057STD-2078STD-2090STD-2103STD-2156STD-2157STD-2169STD-2182STD-2191STD-219925C-925C-925C-1025C-1025C-1025C-1231C-1231C-1231C-1331C-1431C-1631-1638-1350-15383-B1028-B110211021182-D41182-U58313600096009660430

PART NAME PAGE NO.

BoltWasherLocknutBolt

BoltInsertScrewDrive StudBoltScrewScrewBoltBoltBolt

NutBoltKeyDowelNutBoltBoltBoltRoll PinHoseWasherScrewStudStudStudStudStudStudStudStudStudStudStudStudStudStudNutBallPlugPlugSpark PlugSpark PlugGasketKeyGasketCover

1-74-15-24-14-12-21-91-16-12-4

6-36-15-15-1

6-11-71-81-32-41-74-16-11-52-51-26-31-12-21-1

1-95-11-81-12-21-15-11-12-21-11-12-41-21-12-23-13-11-82-31-91-8

8-3




60828 Plug 2-1 72220 Gasket 1-261084 Spring 1-2 72377 Elbow 5-261358 Plug 5-1 72378 Cover 1-661378 Screen 5-1 72566 Gear 1-361510 Plug 1-3 72801 Counterweight 1-361548 Nameplate 1-1 73346 Flange 5-261548-YB Nameplate 1-1 73810 Bushing 1-362732 Cap 1-5 73857 Ring 2-165441 Seat 2-3 73944 Elbow 6-166145 Dowel 1-8 74241 Ring 2-166796 Insert 2-2 75339 Baffle 2-568875 Retainer 3-1 75356 Gasket 6-169260 Insert 2-2 75906 Gasket 2-469796 Dowel 1-1 75944 Valve 1-970310 Seal 2-3 75965 Clamp 3-171481 Ring 2-4 76081 Valve 2-371610 Hook 2-5 76534 Shim 4-171611 Retainer 2-5 76734 Zip Strap 3-171712 Pipe 5-2 76734 Zip Strap 6-171903 Bushing 1-3 76943 Guide 2-271907 Washer 1-3 77154 Gasket 5-271973 Gasket 5-2 77160 Guide 2-272053 Gasket 1-6 77579 Support Assy. 1-372057 Seat 2-2 77611 Gasket 6-372058 Seat 2-2 77808 Valve Assy. 1-272060 Bushing 1-3 77813 Gasket 6-172061 Bushing 3-1 77814 Adapter 6-172062 Bushing 1-3 78027 Bolt 2-172074 Bushing 1-3 78077 Flange 6-372075 Ring 1-2 78082 Flange 6-372078 Lockplate 1-5 78084 Gasket 6-372091 Ring 1-2 78257 Gasket 6-3

8-4

Documents

AVCO LYCOMING PARTS CATALOG & LTO-360 76 Series... · avco lycoming parts catalog to, lto-360 76 series aircraft engines avco corporation williamsport, pennsylvania 17701 pc-124 price