PARTS
CATALOG PC-306-3
AVCO
LYCOMING O-360-A4N Wide Cylinder Flange
AIRCRAFT
MODEL
ENGINES
OCTOBER
1962
0-360-A4NPARTS CATALOG
LYCOMING
WIDECYLINDER FLANGE MODEL
INTRODUCTION
This illustrated Parts Catalog provides parts coverage for all 0-360-A4N wide cylinder flange (WCF) model engines. These wide cylinder flange engines are identified by the suffix "A" on the engine serial number (e.g. L-20650-36A). The serial number as well as the model designation may be found on the engine nameplate on the oil sump. Group Assembly build-up.
Section. This section lists major assemblies and sub-assemblies
in the general order of engine
Service Kit Section: Seal and gasket sets and cylinder, piston and ring kit are provided in this section. Numerical Index: Quick determination the part number is known.
of part location in the catalog is possible thru this section when only
Oversize and Undersize Parts: Procurable oversize and undersize parts are listed preceding the main group assembly parts list. Vendor Accessories: Parts coverage of Vendor Accessories used on Avco Lycoming engines may be found in the appropriate Vendor's Parts Catalog. A list of the publications appear in the latest edition of Avco Lycoming Service Letter No. L114. NOTE "Any reference in this document to a suppliers/parts manufacturers' product by name, trademark, part number or other description is solely for the purposes of identification and does not indicate or infer that Avco Lycoming accepts responsibility for quality control and/or airworthiness of parts which do not pass through the Avco Lycoming quality control system. " SERVICE
BULLETINS,
INSTRUCTIONS
AND LETTERS
Although the information in this catalog is up-to-date at the time of publication, users are urged to keep abreast of later information through Avco Lycoming Service Bulletins, Instructions and Letters which are available from all Avco Lycoming distributors or from the factory by subscription. Consult the latest edition of Service Letter No. L114 for subscription information. NOTE The illustrations, pictures and drawings shown in this publication are typical of the subject matter they portray; in no instance are they to be interpreted as examples of any specific engines, equipment or part thereof.
i
LYCOMING
0-360-A4NPARTS CATALOG WIDECYLINDER FLANGE MODEL
O-360-A4N WIDE CYLINDER FLANGE MODEL TABLE OF CONTENTS SECTION
PAGE
Introduction ........................................ .......................... Table of Contents ......................................... ......................... Oversize and Undersize Parts Listing ............................................................
i ii iii
1. CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP Crankcase and Oil Level Gage Assemblies, Related and Attaching Parts .......................... Crankshaft, Camshaft, Tachometer Drive and Related Parts .....................................
1-1 1-3
2. ACCESSORY HOUSING AND RELATED PARTS Accessory Housing Oil and Fuel Pump Assembly and Attaching Parts ............................ Accessory Pad Covers, Oil Filter, Oil Cooler Bypass Valve and Attaching Parts .....................
2-1 2-3
3. CYLINDER, PISTON AND VALVE TRAIN Connecting Rod, Pistons and Ring Assemblies ................................................ Cylinder Assembly ................................................................. Cylinder Related Parts, Valve Assembly and Intercylinder Cooling Baffles .........................
3-1 3-2 3-3
4. IGNITION SYSTEM Magneto Drives, Magnetos, Ignition Harness and Lead Assembly ................................
4-1
5. ELECTRICAL SYSTEM Alternator Bracket, Starter Motor and Attaching Parts .........................................
5-1
6. OIL SUMP AND INDUCTION SYSTEM Oil Sump, Intake Pipes and Carburetor Assemblies .............................
..............
6-1
7. SERVICE KIT SECTION ................................................................
7-1
8. NUM ERICAL INDEX ..................................................................
8-1
ii
LYCOMING
O-360-A4NPARTS CATALOG WIDECYLINDER FLANGEMODEL
0-360-A4N WIDECYLINDER FLANGE MODEL PartsListing andUndersize Oversize
PARTNO. 76943 66610 66796 69796 LW-10647 72057 72058 72060 72061 72062 77160 LW-13521 LW-13884 LW-16711
DESCRIPTION
Valveintake GUIDE, Rockershaft BUSHING, Sparkplug INSERT, bearing Crankshaft DOWEL, bearing Crankshaft DOWEL, SEAT,Intakevalve valve SEAT,Exhaust flange Propeller BUSHING, flange Propeller BUSHING, flange Propeller BUSHING, GUIDE, Valveexhaust rod Connecting BEARING, front Crankshaft, BEARING, Crankshaft BEARING,
OVERSIZE P05 X X X X
X X X
P075
P10 X X X
X X X X X X
P125
P15
UNDERSIZE P20 X
P30 X
X X
X
X X X
X X
X X
M03
M06
M10
X X X
X X X
X X X
X
X
Studsavailablein P03,P07and P12. NOTE
alongwiththeproperpart andundersize dimension parts,besureto specifytherequiredoversize andundersize Whenorderingoversize codeletteris "P" while Oversize orderpartnumberLW-13521-M3. LW-13521 in .003undersize, to orderbearing number.Forexample, the sizein thousandths of an inch. undersize codeletteris "M". Theselettersarethenfollowedby the numberdesignating
iii
LYCOMING
0-360-A4NPARTS CATALOG
CRANKCASE, CRANKSHAFT ANDCAMSHAFT GROUP WIDECYLINDER FLANGE MODEL CRANKCASE ANDOIL LEVELGAGEASSEMBLIES, RELATED ANDATTACHING PARTS
FIG. REF. 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
PART NUMBER LW-18770-1 75154 50-15 38-13 38D-17 LW-13793 31C-12 31C-13 38-22 STD-557 STD-514 69796 1102 STD-1623 65007 STD-1339 31-16 1102 75736 72059 74068 LW-14758 1028-B 61084* STD-1045 77808 LW-16711 LW-13884 LW-13792 72075 72091 72877 STD-1414 STD-8 60803 STD-2084 STD-1419 STD-160 STD-1411 STD-1416 STD-8 STD-1409 STD-33 AN960-616L STD-872 AN6-34A STD-33 STD-678 STD-596 76220
DESCRIPTION CRANKCASE ASSEMBLY STUD,1/2-13x 10-1/32long STUD,1/2-20x 1-7/8 long STUD,3/8-16 x 1-5/8 long STUD,3/8-16 x 2-1/8 long,drilled STUD,5/16-18x 15/16 long,drilled STUD,5/16-18x 1-1/2 long STUD,5/16-18x 1-5/8 long STUD,3/8-16 x 2-3/4 long DOWEL, 1/2 dia. x 19/32 long,hollow DOWEL, 5/16 dia.x 1/2 long DOWEL, Crankshaft bearing PLUG, 1/8-27 NPT,Allenhead INSERT, 1/4-20Heli-Coil x 3/8 long RETAINER, Shroudtubeseal PLUG, 1/16-27NPT,Allenhead STUD,5/16-18x 2-00long PLUG, 1/8-27 NPT,Allenhead TUBE,Oillevelgage,long GASKET, Oillevelgage RING,Oillevelgageseal GAGE ASSEMBLY, Oil level BALL,11/16dia. SPRING, Oilpressure reliefvalve,alternate GASKET, 1-1/4 I.D. x 1-1/2 O.D.x 3/32 annular VALVE ASSY.,Oilpressurerelief,adjustable BEARING, Crankshaft BEARING, Crankshaft, front SEAL,Crankshaft, oil SEAL,Oil3/32 sectionx 15/32 I.D. RING,Oilseal,23/64 I.D. x 7/64 dia.section BODY, Hydraulic tappet BOLT,1/4-20x 1-1/2 long,Hex.hd. WASHER, 1/4 plain STRAP, Lifting BOLT,1/4-20x 1-3/4 long,Hex.hd. BOLT,1/4-20x 1-1/8 long,Hex.hd. WASHER, 1/4 lock,internalteeth NUT,1/4-20 plain BOLT,1/4-20x 1-1/2long,Hex.hd., dr. end WASHER, 1/4 plain(9 max.) NUT,1/4-20 slottedshear WASHER, 3/8 plain WASHER, 3/8 plain(thick)(3 max.) NUT,3/8-24 slotted BOLT,3/8-24 x 3-37/64long,Hex.hd. WASHER, 3/8 plain WASHER, 3/8 lock,internalteeth NUT,3/8-24 plain STUD,1/2-20x 10-45/64long
* - Selectspringto givea minimum of threethreadsexposed onadlusting screwto allowfieldadlustment. 1-1
QUANTITY PER ASSEMBLY 1 2 8 16 1 1 2
2
8 1 1 1 1 1 1
1 1 1 1 4 2 1 2 2 8 8
20 1 1 3 12
9 3 un
3 3 un 1 1
2 2 2 4
36-38-39
17
35
33-34-38-39
33-34-38-39
13
43-44-45
34-37-38-39 9-47-48-49
-n
13 29
14
n 28
34-37-38-39
40-41-42
3
1
13 -22 C
21 I
-24
m > m
0-360-A4NPARTS CATALOG
LYCOMING
WIDECYLINDER FLANGEMODEL CRANKCASE, CRANKSHAFT ANDCAMSHAFT GROUP CRANKSHAFT, CAMSHAFT, TACHOMETER DRIVEAND RELATED PARTS
FIG. REF. 2
PART NUMBER
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
LW-17132 STD-1065 72060 72061 72062 76097 61155 61156 STD-847 LW-16471 72566 61544 74996 77309 75072 77309 76121 78368 76118 MS16625-1081 LW-13796 STD-2167 STD-2168
DESCRIPTION CRANKSHAFT & BUSHING ASSEMBLY 19/64& 1/4 dia.x 35/64 long DOWEL, Stepped, flange,indexing Propeller BUSHING, BUSHING, Propeller flange,short BUSHING, Propeller flange,long CAMSHAFT Crankshaft GEAR, gear Crankshaft LOCKPLATE, 5/16-24x 1.00long SCREW, Starterring gear SUPPORT ASSEMBLY, GEAR, Starterring PLUNGER, Fuelpump,long Crankshaft idler, plain GEAR ASSEMBLY, BUSHING, Crankshaft idlergear idler Crankshaft ASSEMBLY, GEAR BUSHING, Crankshaft idlergear SHAFT ASSEMBLY, Tachometer PIN,3/16 dia. x 2-21/64long SPACER, Tachometer shaftcentering RING,Internalretaining idlergear Crankshaft SHAFT, SCREW, 5/16-18x 7/8 long,hex.hd. dr. NUT,5/16-18NC-3Slottedshear
1-3
QUANTITY PER ASSEMBLY 1 1 1 1 4 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 1
18
r
20
11
3
-8
LYCOMING
0-360-A4NPARTS CATALOG WIDECYLINDER FLANGE MODEL
ACCESSORY HOUSING ANDRELATED PARTS ACCESSORY HOUSING, OILANDFUELPUMPASSEMBLYANDATTACHING PARTS
FIG. REF. 3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
PART NUMBER 78528 STD-1339 LW-13775 61174 60746 STD-35 STD-1420 LW-14260 STD-8 STD-160 STD-1204 STD-1414 73818 77997 25C-22 31C-12 31C-19 31CD-17 1102 76119 60096 LW-15472 STD-33 STD-1882
DESCRIPTION BODY ASSEMBLY, Oil pump PLUG,1/16-27NPT,Allenhead IMPELLER ASSEMBLY, Oilpumpdriven SHAFT, Oilpumpdrive IMPELLER, Oilpumpdriving WASHER, 5/16 plain NUT,5/16-18Slotted SEAL,Tachometer drive,oil WASHER, 1/4 plain WASHER, 1/4 lock,internalteeth BOLT,1/4-20 x 15/16 long,hex.head BOLT,1/4-20x 1-1/2 long,hex.head GASKET, Accessory housing Accessory HOUSING ASSEMBLY, STUD,1/4-20x 2-3/4 long STUD,5/16-18x 1-1/2 long STUD,5/16-18x 2-3/8 long STUD,5/16-18x 2-1/8 long,drilled PLUG,1/8-27NPT,Allen SHIELD, Accessory breather oil GASKET, Fuelpump FUELPUMP,Lowpressure, dualdiaphragm (6441271) WASHER, 3/8 plain SCREW, 3/8-16 x 1-9/32 long,sockethd. dr. hd.
2-1
QUANTITY PER ASSEMBLY 1 1 1 1 1 3 3 1 12 12 10 2 1 1 4 4 4 3 2 1 1 1 2 2
13
19
1 o
z
o
c
1
9-10-1
m o
LYCOMI
O-360-A4NPARTS CATALOG
NG
WIDECYLINDER FLANGE MODEL ACCESSORY HOUSING ANDRELATED PARTS PARTS BYPASSVALVEANDATTACHING OIL FILTER,OIL COOLER ACCESSORY PADCOVERS,
FIG. REF. 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
PART NUMBER 69551 69106 STD-35 STD-475 STD-1410 72053 72378 STD-35 STD-35 STD-475 STD-1410 61183 61098 STD-1774 STD-208 72970 71596 8313 60430 STD-8 STD-160 STD-1411 STD-294 62417 MS20823-8 AN844-10D LW-12795 77852 LW-13216 STD-8 STD-160 STD-1411 STD-1856 75944 25C-10
DESCRIPTION driveadapter Accessory GASKET, driveadapterpad Governor COVER, WASHER, 5/16 plain 5/16 lock,internalteeth WASHER, NUT,5/16-18plain GASKET, Governor drive Governor COVER, governor WASHER, 5/16 plainWoodward 5/16 plain"AN" governor WASHER, 5/16 lock,internalteeth WASHER, NUT,5/16-18plain GASKET, Accessory adapter ADAPTER ASSEMBLY, Vacuumpump PIN,1/8 dia.x 1/4 long OILSEAL,7/8 IDx 1-1/2 IDx 5/16 wide pumpdriven Vacuum GEAR ASSEMBLY, drivengear Accessory WASHER, GASKET, Vacuum pump COVER, Vacuumpump WASHER, 1/4 plain WASHER, 1/4 lock,internalteeth NUT,1/4-20plain 7/8 ODx 5/8 IDx 3/32 annular GASKET, PLUG, Oilcoolerbypass 1/2 flaredtube- 3/8 pipethread ELBOW, ELBOW,Pipethd. & 5/8 ID hose,45°
GASKET, Oilfilteradapter OILFILTER BASEASSEMBLY OILFILTER, Long(spin-ontype) WASHER, 1/4 plain 1/4 lock,internalteeth WASHER, NUT,1/4-20 plain 1/4-20x 1.00long,hex.hd., self-locking SCREW, Temp.controloil coolerbypass VALVE ASSEMBLY, STUD,1/4-20x 1-1/4 long
2-3
QUANITITY PER ASSEMBLY 1 1 4 4 4
1 1
32 4 4 4 1 1 1 1 1 1 1
4 4 4 1 1 2 1 2 1 1 4 1 1 3 1 1
LYCOMING
0-360-A411 PARTS CATALOG WIDECYLINDER FLANGE MODEL
6
16
1
Figure 4. Accessory Pad Covers, Oil Cooler BypassValve and Attaching Parts 2-4
LYCOMING
PARTS 0-360-A4N CATALOG WIDECYLINDER FLANGEMODEL
CYLINDER, PISTONANDVALVETRAIN CONNECTING ROD,PISTONANDRINGASSEMBLY
FIG. REF. 5 1 2 3 4 5 6 7 8 9 10
PART NUMBER LW-11750 LW-13923 75061 LW-12186 LW-13521 75089 LW-14078 60828 74241 73857
QUANTITY PER ASSEMBLY
DESCRIPTION CONNECTING ROD ASSY. BUSHING, Connecting rod, upper BOLT,Connecting rod, upper NUT,Connecting rodbolt BEARING, Connecting rod PISTON, Compression ratio8.50:1 PIN,Piston PLUG, Pistonpin RING,Pistoncompression RING,Piston,oil regulating, expander type
4 4 8 8 8 4 4 8 8 4
3
1 9
Figure5 3-1
O-360-A4NPARTS CATALOG
LYCOMING
WIDECYLINDER FLANGEMODEL CYLINDER, PISTONANDVALVETRAIN CYLINDER ASSEMBLY
FIG. REF. 6 1 2 3 4 5 6 7 8 9 10 11 12
PART IIIUMBER LW-12427 72057 72058 76943 77160 66796 STD-1872 31C-12 25C-9 MS20823-6D 66610 1102
QUANITITY PER ASSEMBLY
DESCRIPTION
4 4 4 4 4 8 8 8 4 4 16 4
CYLINDER ANDHEAD ASSY.,Nitrided SEAT,Intakevalve SEAT,Exhaust valve GUIDE, Valve,intake GUIDE, Valve,exhaust INSERT, Sparkplug, 18-1.5MM INSERT, 1/4-17 Heli-coil taperpipthd. STUD,5/16-18x 1-1/2 long STUD,1/4-20x 1-1/8 long ELBOW,45° , 3/8 flaredtube
BUSHING, Rocker shaft 1/8-27 NPT,Allen PLUG,
5
10
7
Figure6 3-2
12
8
LYCOMING
0-360-A41PARTSCATALOG WIDECYLINDER FLANGEMODEL
CYLINDER, PISTONANDVALVETRAIN CYLINDER RELATED PARTS,VALVEASSEMBLYANDINTERCYLINDER COOLING BAFFLES
FIG. REF. 7 1
PART NUMBER 73434
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
73435 73436 73437 69444 60398 74636 74637 LW-13790 LW-12892 75906 61247 STD-1925 71481 74887 383-B STD-2090 65321 STD-35 STD-475 STD-1410 73938 74541 LW-11795 LW-11800 65441 LW-13323 LW-10077 LW-16475 60009 MS13997-3 MS13998-3
30
78290
31 32 33 34
78524 LW-11485 LW-14995 LW-12272
35 36 37
STD-1411 62922 70310
38 39 40
STD-684 STD-1821 LW-15592-5-05
41 42
68759 68760
43
68761
44 45 46
75339 71611 71610
DESCRIPTION ROD ASSEMBLY, Push ROD ASSEMBLY, Push- A totalof 8 push ROD ASSEMBLY, Push- Rodsrequired ROD ASSEMBLY, Push ROCKER. ASSEMBLY, Valve,intake BUSHING, Valverocker,intake ROCKER ASSEMBLY, Valve,exhaust BUSHING, Valverocker,exhaust SHAFT, Valverocker THRUST BUTTON, Rockershaft GASKET, Rockerboxcover COVER, Rockerbox SCREW, 1/4-20x 5/8 long,pan.hd., self-locking RING,Oilseal,3/32 dia.x 4-27/32ID SPACER, 33/64 IDx 7/8 ODx 3/8 thick NUT,3/8-24 plain NUT,1/2-20plain GASKET, Exhaust flange WASHER, 5/16 plain WASHER, 5/16 lock, internalteeth NUT,5/16-18plain VALVE, Intake VALVE, Exhaust (rotatortype) SPRING, Valve,inner SPRING, Valve,outer SEAT,Valvespring,lower,intake SEAT,Valvespring,lower,exhaust SEAT,Valvespring,upper,intake SEAT,Valvespring,upper,exhaust (rotatortype) KEY,Valve,intake KEY,Valve,exhaust(rotatortype) CAP,Valvestem,exhaust (rotatortype) PLUNGER ASSY.,Hydraulic tappet SOCKET, Pushrod, hydraulic tappet TUBE,Pushrodshroud SPRING, Shroudtube LOCKPLATE, Shroudtube NUT,1/4-20plain SEAL,Shroudtube SEAL,Shroudtube NIPPLE, Straight,3/8 ID hose HOSE, 3/8 IDx 2-1/2 long CLAMP, Hose TUBEASSEMBLY, Cyl.headoil drain,cyl. no. 1 TUBEASSEMBLY, Cyl.headoil drain,cyl. no. 2 TUBEASSEMBLY, Cyl.headoil drain,cyl. nos.3 & 4 BAFFLE ASSEMBLY, Intercylinder RETAINER, Intercylinder baffle HOOK, Intercylinder baffleretainer
3-3
QUANTITY PER ASSEMBLY un un un un
4 4 4 4 4 8 4 4 24 4 2 16
18 4 8 8 8 4 4 8 8 4 4 4 4 8 8 4 8 8 8 4 4 4 8 8 4 4 8 1 1 2 2 2 2
1
n 2 -20
10
1
41-42-43
o
2
5
LYCOMING
O-360-A4NPARTS CATALOG WIDECYLINDER FLANGE MODEL
IGNITIONSYSTEM MAGNETO DRIVES,MAGNETOS, IGNITIONHARNESS ANDLEADASSEMBLY
FIG. REF. 8 1 2 3 4 5 6 7 8
9 10 11
12 13 14 15 16 17 18 19
PART NUMBER 61665 STD-761 62224 LW-12706 LW-12681 LW-16894 LW-15638 LW-16893 M-1735-46 M-1735-42 M-1735-35 LW-16895 LW-15638 LW-16892 M-1735-44 M-1735-35 M-1735-46 M-1735-42 76961 STD-475 STD-1410 STD-1727 76734 LW-14057 LW-14060 1182-B3
DESCRIPTION Magneto, impulsecoupling GEAR, COTTER PIN,3/32 dia. x 1.00long GASKET, Magneto adapter& magneto ADAPTER, Magneto, impulsecoupling GASKET, Magneto MAGNETO & HARNESS ASSEMBLY, Left(Slickmagneto) MAGNETO, Left(SlickModel4251- impulsecoupling) HARNESS ASSEMBLY, Ignition,Left(Slickmagneto) REPLACEMENT LEADT-1 LEADT-3,B-2 REPLACEMENT REPLACEMENT LEADB-4 MAGNETO & HARNESS ASSEMBLY, Right(Slickmagneto) MAGNETO, Right(SlickModel4251- impulsecoupling) HARNESS ASSEMBLY, Ignition,Right(Slickmagneto) REPLACEMENT LEADB-1 REPLACEMENT LEADB-3 REPLACEMENT LEADT-2 REPLACEMENT LEADT-4 CLAMP, Magneto 5/16 lock,internalteeth WASHER, NUT,5/16-18plain WASHER, Plain,3/4 0Dx 11/32 IDx 1/8 thick ZIPSTRAPS CLIP,1 wire CLIP,2 wire SPARK PLUG (Champion REM-40E) NOTE Theabovesparkplugis theoneusedin currentproduction only; thereareadditional sparkplugsthatareapproved for usein these engines.Seelatesteditionof ServiceInstruction No.1042for completelistingof all approved sparkplugs.
4-1
QUANTITY PER ASSEMBLY 2 2 2 2 2 1 1
1 un un un 1 1
1 un un un un
4 4 4 4 8 2 3 8
n 3-
z
0
2-7
re
17 18
n
1 r
0-360-A4NPARTS CATALOG
LYCOMING
WIDECYLINDER FLANGE MODEL ELECTRICAL SYSTEM ALTERNATOR BRACKET, STARTER MOTOR ANDATTACHING PARTS
FIG. REF. 9 1 2 3 4 5 6 7 8 9 10 11 12 13
PART NUMBER 76906 73383 STD-1838 LW-10729 STD-35 STD-1858 76908 STD-1858 LW-15572 STD-35 STD-475 STD-2156 STD-1410
DESCRIPTION BRACKET, Alternator LOCKPLATE, 5/16 boltx 1-00spacing BOLT,5/16-18x 15/16long,Hex.hd. LINK,Alternating adjusting WASHER, 5/16 plain BOLT,5/16-18x 29/32long, Hex.hd., dr. STRUT, Alternator support BOLT,5/16-18x 29/32 long,Hex.hd., dr. STARTER, 24volt, 3.38:1internalreduction 12/14pitchpinion(MHB-4016) WASHER, 5/16 plain WASHER, 5/16 lock,internalteeth BOLT,5/16-18x 1-5/32 long,Hex.hd. NUT,5/16-18plain
5-1
QUANTITY PER ASSEMBLY 1 1 2 1 1 1 1 1 1
4 4 1 3
LYCOMING
CATALOG 0-360-A4NPARTS WIDECYLINDER FLANGE MODEL
-4
-8
29
13
Figure 9. Alternator Bracket Starter Motor and Attaching Parts 5-2
LYCOMING
O-360-A4NPARTS CATALOG WIDECYLINDER FLANGE MODEL
OILSUMPANDINDUCTION SYSTEM OIL SUMP,INTAKEPIPESANDCARBURETOR ASSEMBLIES
FIG. REF. 10
PART NUMBER
1 2 3 4 5 6
LW-13353 78915 78914 61400 31C-15 STD-91
7 8 9 10 11
STD-551 STD-8 STD-160 STD-1204 STD-1419
12 13 14 15 16 17 18 19
STD-1411 70484 STD-111 LW-12545 61548 STD-1901 70485 69603
20 21
LW-15592-8-28 71973
22 23 24 25 26
73346 STD-8 STD-160 STD-1215 66224
27
LW-18788*
28 29 30
LW-10064 STD-35 STD-1410 STD-36
DESCRIPTION GASKET, Oilsump SUMPASSY.,Oil CONNECTION, Intakepipe STUD,1/4-20 x 1-3/16 long STUD,5/16-18x 1-7/8 long PLUG, 1/2-14 NPT,Allenhd. PLUG, 1/2-14 NPT,Sq.hd. drilled WASHER, 1/4 plain WASHER, 1/4 lock, internalteeth BOLT,1/4-20x 15/16long,Hex.hd. BOLT,1/4-20x 1-1/8 long,hexhd. NUT,1/4-20 plain SCREEN, Oilsuction GASKET, 1.00I.D. x 1-1/4 O.D.x 3/32 annular PLUG,5/8 Hex.hd.x 1.00-20thd. NAMEPLATE DRIVE STUD,No.4 x 3/16 long,rd. hd. PIPE,Intake HOSE, 1-3/4 I.D.x 2-3/16O.D.x 1-3/4 long CLAMP, Hose GASKET, 2 boltflange,1-7/8 I.D. FLANGE, Intakepipe,upper WASHER,1/4 plain
WASHER, 1/4 lock,internalteeth BOLT,1/4-20x 1-1/4 long,hex.hd. GASKET, Carburetor CARBURETOR, (10-5288) CARBURETOR, (10-5034) WASHER, 5/16 plain NUT,5/16-18plain LOCKNUT, 5/16 (Palnut)
* - Optional
6-1
QUANTITY PER ASSEMBLY 1 1 4 4 4 1 2 28 20 14 2
12 1 1 1 1 4 4 4 8 4 4 8 8 8 1 1 1 4 4 4
LYCOMING
0-360-A4NPARTS CATALOG WIDECYLINDER FLANGEMODEL
21
23
2412
25—
11
-
-9 7
Figure 10. Oil Sump, Intake Pipes and Carburetor Assemblies 6-2
IYCOMING
0-360-A4NPARTSCATALOG WIDECYLINDER FLANGEMODEL
SERVICE KIT SECTION SEAL AND GASKET SET 0-360-A4N Part No. AN901-8A STD-111 STD-208 STD-213 STD-294 STD-1045 1691-C 8313 60096 LW-18639 LW-14260 61173 61183 61523 62224 LW-18661 65321 66224 68315 LW-13353 69164 69345 69551 70310 71481 71973 72053 72059 72075 72078 72091 73383 73817 73818 74065 74068 75906 76510 76940 LW-13792 LW-12272 LW-12681 LW-12795 LW-14995 LW-10332 70455 STD-1763 72220 72312 77154 77611
Part Name GASKET GASKET, Annular SEAL, Oil SEAL, Oil (fuel pump dr.) GASKET, Annular GASKET, Annular GASKET, Fuel pump pad GASKET, Vac. pump GASKET, Fuel pump LOCKPLATE, Crankshaft gear SEAL, Tachometer GASKET, Oil press. hsg. GASKET, Acc. adapter BOX, Set up GASKET, Mag. adapter SEAL, Shroud tube GASKET, Exh. flange GASKET, Carburetor GASKET, Acc. dr. adapter GASKET, Oil sump GASKET, Fuel pump adapter SPACER GASKET, Acc. pad cover SEAL, Shroud tube RING, Oil seal GASKET, Intake flange GASKET, Gov. dr. pad GASKET SEAL, Oil LOCKPLATE, Cam gear RING, Oil seal LOCKPLATE LOCKPLATE, Crankshaft idler gear shaft GASKET, Acc. hsg. RING, Oil level gage seal RING, Oil level gage seal GASKET, Rocker box cover GASKET SEAL, Crankshaft oil SEAL, Crankshaft oil LOCKPLATE, Shroud tube GASKET, Mag. GASKET SPRING LOCKPLATE GASKET PALNUT GASKET RING, Oil seal GASKET, Carb. GASKET, Exh. flange 7-1
Qty. 1 1 1 1 2 1 1 1 1 1 1 1 1 1 3 8 4 2 1 1 1 4 1 8 4 4 2 1 6 2 2 2 2 1 1 1 4 1 1 1 4 2 1 4 1 1 4 1 1 1 4
LYCOMING
0-360-A41PARTS CATALOG WIDECYLINDER FLANGE MODEL
SERVICE KIT SECTION CYLINDER, PISTON AND RING ASSEMBLY 0-360-A4N Part No. MS-13997-3 MS-13998-3 STD-1215 STD-1411 STD-1925 60009 60828 61247 LW-18661 65441 69444 70310 71195 71481 72198 73857 or LW-12328 73938 74241 74541 74636 75089 75906 LW-10077 LW-11775 LW-11795 LW-11800 LW-12272 LW-12427 LW-12892 LW-13323 LW-13790 LW-14077 LW-14995 LW-16475 SSP-672 SSP-2472
Part Name
Qty.
KEY, Valve, exhaust CAP, Valve stem, exhaust BOLT NUT, Plain, 1/4-20 SCREW KEY, Valve, intake PLUG, Piston pin COVER, Rocker box SEAL, Shroud tube SEAT, Valve spring, lower (intake) ROCKER ASSY., Valve, intake SEAL, Shroud tube BOX, Set up SEAL, Cylinder base PLUG, Piston
2 1 2 1 6 2 2 1 2 1 1 2 1 1 2
RING, Piston, oil reg. VALVE, Intake RING, Piston, compression VALVE, Exhaust ROCKER ASSY., Exhaust PISTON GASKET, Rocker box cover SEAT, Valve spring, upper, intake PLUG, Piston pin (aluminum) SPRING, Valve, inner SPRING, Valve, outer LOCKPLATE, Shroud tube CYLINDER ASSY., Nitrided THRUST BUTTON SEAT, Valve spring, lower, exhaust SHAFT, Valve, rocker PIN, Piston SPRING, Shroud tube SEAT, Valve spring, upper, exhaust TAG TAG
1 1 2 11 1 1 1 2 2 2 1 1 2 1 1 1 1 1 1 1
7-2
LYCOMING
O-360-A4N PARTS CATALOG WIDECYLINDER FLANGEMODEL
NUMERICAL INDEX PART NO. AN6-34A AN844-1 OD AN960-616L LW- 10064 LW-10077 LW-10729 LW-11485 LW-11750 LW-11795 LW-11800 LW-12186 LW-12272 LW-12427 LW-12545 LW-12681 LW-12706 LW-12795 LW-12892 LW-13216 LW-13323 LW-13353 LW-13521 LW-13775 LW-1 3790 LW-13792 LW-13793 LW-13796 LW-13884 LW-13923 LW-14057 LW- 14060 LW-14078 LW-14260 LW-14758 LW-15472 LW-1 5572 LW-15638 LW-15592-5-05 LW-1 5592-8-28 LW-16471 LW-16475 LW-16711 LW- 16892 LW-16893 LW- 16894 LW-16895 LW-17132 LW-18770-1 LW-18788 M-1735-35
PART NAME Bolt Elbow Washer Carburetor Seat Link Tube Connecting Rod Spring Spring Nut, Connecting Rod Lockplate Cylinder & Head Assy. Plug Gasket Adapter Gasket Thrust Button Oil Filter Seat Gasket Bearing Impeller Shaft Seal Stud Shaft Bearing Bushing Clip Clip Pin Seal Gage Fuel Pump Starter Magneto Clamp Clamp Support Assembly Seat Bearing Harness Harness Magneto Magneto Crankshaft Crankcase Assembly Carburetor Lead
PAGE NO.
PART NO. M-1735-42 M-1735-44 M-1735-46 MS13997-3 MS13998-3 MS16625-1081 MS20823-6D MS20823-8 STD-1045 STD-1065 STD-1 204 STD-1204 STD-1215 STD-1339 STD-1339 STD-1409 STD-1410 STD-1410 STD-1 410 STD-1410 STD-1 410 STD-1411 STD-1411 STD-1411 STD-1411 STD-1414 STD-1414 STD-1416 STD-1419 STD-1419 STD-1420 STD-1623 STD-1727 STD-1774 STD-1821 STD-1838 STD-1856 STD-1858 STD-1872 STD-1882 STD-1901 STD-1925 STD-2084 STD-2090 STD-2156 STD-2167 STD-2168 STD-8 STD-8 STD-8
1-1 2-3 1-1 6-1 3-3 5-1 3-3 3-1 3-3 3-3 3-1 3-3 3-2 6-1 4-1 4-1 2-3 3-3 2-3 3-3 6-1 3-1 2-1 3-3 1-1 1-1 1-3 1-1 3-1 4-1 4-1 3-1 2-1 1-1 2-1 5-1 4-1 3-3 6-1 1-3 3-3 1-1 4-1 4-1 4-1 4-1 1-3 1-1 6-1 4-1 8-1
PART NAME Lead Lead Lead Key Valve Cap, Valve Ring Elbow Elbow Gasket Dowel Bolt Bolt Bolt Plug Plug Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Bolt Bolt Bolt Bolt Bolt Nut Insert Washer Pin Clamp Bolt Screw Bolt Insert Screw Drive Stud Screw Bolt Nut Bolt Screw Nut Washer Washer Washer
PAGE NO. 4-1 4-1 4-1 3-3 3-3 1-3 3-2 2-3 1-1 1-3 2-1 6-1 6-1 1-1 2-1 1-1 2-3 3-3 4-1 5-1 6-1 1-1 2-3 3-3 6-1 1-1 2-1 1-1 1-1 6-1 2-1 1-1 4-1 2-3 3-3 5-1 2-3 5-1 3-2 2-1 6-1 3-3 1-1 3-3 5-1 1-3 1-3 1-1 2-1 2-3
LYCOMING
0-360-A4N PARTS CATALOG WIDECYLINDER FLANGE MODEL
NUMERICAL INDEX PART NO. STD-8 STD-33 STD-33 STD-35 STD-35 STD-35 STD-35 STD-35 STD-36 STD-91 STD-111 STD-160 STD-160 STD-1 60 STD-160 STD-208 STD-294 STD-475 STD-475 STD-475 STD-475 STD-514 STD-551 STD-557 STD-596 STD-678 STD-684 STD-761 STD-847 STD-872 25C-9 25C-10 25C-22 31C-12 31C-12 31C-12 31C-13 31C-15 31C-19 31CD-17 31-16 31D-17 38-13 38-22 50-15 383-B 1028-B 1102 1102 1102
PART NAME Washer Washer Washer Washer Washer Washer Washer Washer Locknut Plug Gasket Washer Washer Washer Washer Seal Gasket Washer Washer Washer Washer Dowel Plug Dowel Nut Washer Nipple Cotter Pin Screw Nut Stud Stud Stud Stud Stud Stud Stud Stud Stud Stud Stud Stud Stud Stud Stud Nut Ball Plug Plug Plug
PAGE NO. 6-1 1-1 2-1 2-1 2-3 3-3 5-1 6-1 6-1 6-1 6-1 1-1 2-1 2-3 6-1 2-3 2-3 2-3 3-3 4-1 5-1 1-1 6-1 1-1 1-1 1-1 3-3 4-1 1-3 1-1 3-2 2-3 2-1 1-1 2-1 3-2 1-1 6-1 2-1 2-1 1-1 1-1 1-1 1-1 1-1 3-3 1-1 1-1 2-1 3-2
PART NO. 1182-B3 8313 60009 60096 60398 60430 60746 60803 60828 61084 61098 61155 61156 61174 61183 61247 61400 61544 61548 61665 62224 62417 62922 65007 65321 65441 66224 66610 66796 68759 68760 68761 69106 69444 69551 69603 69796 70310 70484 70485 71481 71596 71610 71611 71973 72053 72057 72058 72059 72060
8-2
PART NAME Spark Plug Gasket Key, Valve Gasket Bushing Cover Impeller Strap Lifting Plug Spring Adapter Gear Lockplate Shaft Gasket Cover Stud Plunger Nameplate Gear Gasket Plug Seal Retainer Gasket Seat Gasket Bushing Insert Tube Tube Tube Cover Rocker Gasket Hose Dowel Seal Screen Pipe, Intake Ring, Oil Seal Washer Hook Retainer Gasket Gasket Seat Seat Gasket Bushing
PAGE NO. 4-1 2-3 3-3 2-1 3-3 2-3 2-1 1-1 3-1 1-1 2-3 1-3 1-3 2-1 2-3 3-3 6-1 1-3 6-1 4-1 4-1 2-3 3-3 1-1 3-3 3-3 6-1 3-2 3-2 3-3 3-3 3-3 2-3 3-3 2-3 6-1 1-1 3-3 6-1 6-1 3-3 2-3 3-3 3-3 6-1 2-3 3-2 3-2 1-1 1-3
LYCOMING
0-360-A4NPARTS CATALOG WIDECYLINDER FLANGEMODEL
NUMERICAL INDEX PART NO. 72061 72062 72075 72091 72378 72566 72877 72970 73346 73383 73434 73435 73436 73437 73818 73857 73938 74068 74241 74541 74636 74637 74887 74996 75061 75072
PART NAME Bushing Bushing Seal Ring Cover Gear Tappet Body Gear Assembly Flange Lockplate Rod Assembly Rod Assembly Rod Assembly Rod Assembly Gasket Ring Valve, Intake Ring Ring Valve Exhaust Rocker Bushing Spacer Gear Assembly Bolt, Connecting Rod Gear Assembly
PAGE NO. 1-3 1-3 1-1 1-1 2-3 1-3 1-1 2-3 6-1 5-1 3-3 3-3 3-3 3-3 2-1 3-1 3-3 1-1 3-1 3-3 3-3 3-3 3-3 1-3 3-1 1-3
PART NO. 75089 75154 75339 75736 75906 75944 76097 76118 76119 76121 76220 76734 76906 76908 76943 76961 77160 77309 77808 77852 77997 78290 78368 78524 78528 78914 78915
8-3
PART NAME Piston Stud Baffle Tube Gasket Valve Camshaft Spacer Shield, Breather Shaft Stud Zip Straps Bracket Strut Guide, Valve Clamp Guide, Valve Bushing Valve Assy. Oil Filter Base Housing Assembly Plunger Assy. Pin Socket Body, Oil Pump Connection Sump
PAGE NO. 3-1 1-1 3-3 1-1 3-3 2-3 1-3 1-3 2-1 1-3 1-1 4-1 5-1 5-1 3-2 4-1 3-2 1-3 1-1 2-3 2-1 3-3 1-3 3-3 2-1 6-1 6-1
