TECHNICAL PUBLICATION...

LycomingReciprocating Engine Division/Subsidiary of Textron Inc.

652 Oliver StreetWilliamsport, PA 17701 U.S.A.717/323-6181

TECHNICALPUBLICATION REVISION

REVISION No.

PC-315-1A

PUBLICATION

TIO,LTIO-540-U2A

PUBLICATION No.

PC-315-1

PUBLICATION DATE

February, 1983

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

Previous revisions to this publication This revision consists of: -

None February, 1995

Added Figure 19A

Slick Pressurized MagnetosPages 4-2A & 4-2B

PARTS CATALOG

PC-315-1

Textron Lycoming

TIO/LTIO-540-U2A Series Wide Cylinder Flange Model

AIRCRAFT ENGINES

FEBRUARY 1983

Reciprocating Engine Division/ Subsidiary of Textron Inc.

652 Oliver Street Williamsport, PA 17701 U.S.A 717/323-6181

Courtesy of Bomar Flying Service www.bomar.biz

Lycoming TIO/LTIO-540-U2A PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE

INTRODUCTION

This illustrated parts catalog contains a complete parts listing for the Textron Lycoming TIO/LTIO-540-U2A widecylinder flange model aircraft engines.

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

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

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

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

NOTES

The illustrations, pictures and drawings shown in this publication are typical of the subject matter they portray; in noinstance are they to be interpreted as examples of any specific engine, equipment or part therof.

Any reference in this document to a suppliers/parts manufacturers' product, by name, trademark, part number or otherdescription is solely for the purposes of identification and does not indicate or infer that Textron Lycoming acceptsresponsibility for quality control and/or airworthiness of parts which do not pass through the Textron Lycoming qualitycontrol system.

The Turbocharger and Control Components for this engine shall be supplied by the Airframe Manufacturer.

SERVICE BULLETINS, INSTRUCTIONS AND LETTERS

Although the information cotained in this parts catalog is up-to-date at time of publication, users are urged to keepabreast of later information through all Textron Lycoming distributors of from the factory by subscription. Consult the latestedition of Service Letter No. L114 for subscription information.

i

SECTION

Introduction...Table of ContentsOversize and 1

1. CRANKCACrankcase AOil Level GageCrankcase Related PartsCrankshaftCamshaft andPropeller Governor Drive AssemblyCrankshaft and Fuel Pump Idler GearsCrankcase Attaching Parts

2. ACCESSO]Accessory HOil Pump AFuel Pump AssembliesVacuum Pump Drive, Oil Cooler and Breather FittingsHydraulic POil Filter Assembly and oil Cooler Bypass Valve

3. CYLINDEIConnectingCylinder AsValve AssemblyCylinder Re

4. IGNITIONMagnetos, Magneto Drives and Spark Plugs

5. ELECTRICAlternator aStarter Motor and Attaching PartsAlternator Mounting and Attaching Parts

6. OIL SUMPOil Sump and Induction Housing AssemblyIntake PipesFuel Injector, Fuel Manifold and Air Bleed Nozzles

7. TURBOCHIntercooler Assembly and Related PartsNote Page -

8. SERVICE KIT SECTION

9. NUMERIC


TABLE OF CONTENTS

PAGE

.................................................................................................................................................... icontents............................................................................................................................................iients.........................iiUndersize Parts..........................................................................................................................iii

CASE, CRANKSHAFT AND CAMSHAFT GROUPAssembly...............................................................................................1-1ge and Engine M ounting Brackets..........................................................................................1-2elated Parts.............................................................................................................................1-5

and Related Parts . ............................................. ...... ....... ............................. ................... 1-6d Related Parts........................................................................................................................ 1-9vernor Drive A ssem bly.......................................................................................................... 1-11

and Fuel Pum p Idler G ears......................................................................................................1-13Attaching Parts........................................................................................................................ 1-15

RY HOUSING AND RELATED PARTSousing A ssem bly.....................................................................................................................2-1ssy. and Accessory H ousing A ttaching Parts............................................................................2-3ssem blies...............................................................................................................................2-5

mp D rive, O il Cooler and Breather Fittings..............................................................................2-7m p Drive and Covers.............................................................................................................2-9

ssem bly and Oil Cooler Bypass V alve.....................................................................................2-11

R, PISTON AND VALVE TRAINRods, Pistons and Ring A ssem blies ................................ .......... 3-1sem bly.....................................................................................................................................3-2nbly.........................................................................................................................................3-5lated Parts...............................................................................................................................3-7

SYSTEMagneto Drives and Spark Plugs..............................................................................................4-1

AL COMPONENTSnd Belt.....................................................................................................................................5-1or and A ttaching Parts..............................................................................................................5-2ounting and A ttaching Parts...................................................................................................5-3

AND INDUCTION SYSTEMd Induction H ousing A ssem bly...............................................................................................6-1and A ir Inlet H ousing ............................................................................................................ 6-3

r, Fuel M anifold and A ir Bleed N ozzles...................................................................................6-5

ARGER AND EXHAUST SYSTEMSAssem bly and Related Parts......................................................................................................7-1Turbocharger and Com ponents................................................................................................7-2

KIT SECTIO N ....................................................................................................................... 8-1

AL IND EX ............................................................................................................................. 9-1

ii

LycomingLycoming TIO/LTIO-540-U2A PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE

Oversize and Undersize Parts Listing

PART NO. DESCRIPTION OVERSIZE UNDERSIZE

P02 P05 P10 P15 P20 P30 P50 M03 M06 M10X X66670

66713

69260

69796

71894

71903

72155-S

73810

73857

74241

75656-S

75838

79024-S

LW-12688

LW-13212

LW-13885

LW-14830

LW-15628

STD-1065

BUSHING

GUIDE

INSERT

DOWEL

SEAT

BUSHING, Counterweight

BUSHING

BUSHING

RING

RING

BUSHING

GUIDE

BUSHING

SEAT

BEARING

BEARINGBEARING

SEAL

DOWEL

X X

X

X

X X

X X XSEE LATEST EDITION OF SERVICE INSTRUCTION NO.

X X X XSEE LATEST EDITION OF SERVICE INSTRUCTION NO.

X X

X

1143 FOR APPLICATION.

I I1142 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

XX X X X

Studs available in P03, P07 and P12.

* Also available in P10 oversize.

NOTE

When ordering oversize and undersize parts, be sure to specify the required oversize and undersize dimension along with the properpart number. For example, to order bearing LW-13885 in .003 undersize, order part number LW-13885-M3. Oversize code letter is"P" while undersize code letter is "M". These letters are then followed by the number designating the size in thousandths of aninch.

iii


FIG.REF.

1123456789

101112131415161718

PARTNUMBER

LW-1820831C-1231C-1338-1338-1638-2238D-1750-15LW-13794STD-557110265007STD-133969796STD-5147215831C-1473772

CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPCRANKCASE ASSEMBLY

DESCRIPTION

CRANKCASE ASSEMBLYSTUD. 5/16-18 x 1-1/2 longSTUD, 5/16-18 x 1-5/8 longSTUD, 3/8-16 x 1-5/8 longSTUD. 3/8-16 x 2.00 longSTUD. 3/8-16 x 2-3/4 longSTUD. 3/8-16 x 2-1/8 long, drilledSTUD. 1/2-13 x 1-7/8 longSTUD. 5/16-18 x 1.00 long, drilledDOWEL, 1/2 dia. x 11/16 long, hollowPLUG, 1/8 pipe x 3/8 longRETAINER. Shroud tube sealPLUG, 1/16-27 pipe. Allen headDOWEL, Crankshaft bearingDOWEL, 5/16 dia x 1/2 longBUSHING, Governor drive idler shaft

STUD. 5/16-18 x 1-3/4 longNOZZLE ASSEMBLY. Piston cooling

QUALTITYPER

ASSEMBLY

1-1

Lycom

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IO/LT

IO-540-U

2A

PA

RT

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GW

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LIND

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FLAN

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CR

AN

KC

AS

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Figure 1. CR

AN

KC

ASE

ASSE

MB

LY

1-2

Lycomlng TIO/LTIO-540-U2A PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE

CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPCRANKCASE ASSEMBLY

FIG.REF.

212345678

PARTNUMBER DESCRIPTION

704577573772059LW-16783-372306STD-33STD-678STD-596

GASKET. Oil filler extensionEXTENSION. Oil filler, 2-11/16 longGASKET. Oil level gageGAGE ASSY . Oil levelBRACKET. Engine mounting (Dynafocal)WASHER. 3/8 plainWASHER. 3/8 lock, internal teethNUT. 3/8-24 plain. 21/64 thick

QUALTITYPER

ASSEMBLY

1-3

2


8

1

Figure 2. OIL LEVEL GAGE AND ENGINE MOUNTING BRACKETS

1-4


CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPCRANKCASE RELATED PARTS

FIG.REF.

3123456789


1028BLW-11713STD-104577808LW-14830LW- 13885LW-156287209172877

BALL, 11/16dia.SPRING, Oil pressure relief valveGASKET, 1-1/4 I.D. x 1-1/2 O.D. x 3/32 annularVALVE ASSY., Oil pressure relief, adjustableBEARING, CrankshaftBEARING, Crankshaft (front)SEAL, Crankshaft, oilRING, Oil seal, 23/64 I.D. x 7/64 dia.BODY, Hydraulic tappet

QUALTITYPER

ASSEMBLY

1-5


Figure 3. CRANKCASE RELATED PARTS

1-6

Lycoming TIO/LTIO-540-U2AWIDE CYLINDER FLANGE

CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPCRANKSHAFT AND RUEL PUMP IDLER GEARS

A PARTS CATALOGCRANKCASE MODEL ENGINE

FIG.REF.

4


1 LW-17788LW-17789

2 LW-17763*LW-17764

3 STD-12114 738105 609456 756567 721558 790249 STD-1065

10 7364411 7190312 7678813 7678714 LW-1482015 7190716 7678617 LW-1863818 STD-2209

CRANKSHAFT AND COUNTERWEIGHT ASSEMBLYCRANKSHAFT AND COUNTERWEIGHT ASSEMBLY

CRANKSHAFT AND PLUG ASSEMBLYCRANKSHAFT AND PLUG ASSEMBLY

PLUG, 2.00 dia. expansionBUSHING, Crankshaft dynamic counterweightPLUG, 1-1/4 dia.BUSHING, Propeller flange, longBUSHING, Propeller flange, shortBUSHING, Propeller flange, indexingDOWEL, Stepped, 5/16 & 1/4 dia. x 35/64 long

COUNTERWEIGHT ASSEMBLYBUSHING, Dynamic counterweight

ROLLER, Dynamic counterweight, 6.3 orderROLLER, Dynamic counterweight, 5.1 orderRING, Internal retainingWASHER, Dynamic counterweight

GEAR, CrankshaftLOCKPLATE, Crankshaft gearBOLT, 5/16-24 x 1-3/4 long, hex. hd.

QUALTITYPER

ASSEMBLY

* Used on TIO-540-U2A engines.Used on LTIO-540-U2A engines.

1-7

12

Lycoming Lycoming TIO/LTIO-540-U2A PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE

3

5

6

45

1

8 1-13

14

Figure 4. CRANKSHAFT AND RELATED PARTS

1-8

FIG.REF.

51

2345

PARTNUMBER

76148*LW-12201761557836876118MS16625-1081


CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPCAMSHAFT AND RELATED PARTS

DESCRIPTION

CAMSHAFTCAMSHAFT (Reverse rotation)SHAFT ASSY., Tachometer

PIN, 3/16 x 2-21/64 longSPACER, Tachometer shaft centeringRING, Internal retaining

QUALTITYPER

ASSEMBLY

* Used on TIO-540-U2A engines.** Used on LT10-540-U2A engines.

1-9

1-


5

N

Figure 5. CAMSHAFT AND RELATED PARTS

1-10

Minimum Lycoming TIO/LTIO-540-U2A PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE

FIG.REF.

6

PARTNUMBER

1 LW-104422 LW-140213 LW-105414 778725 STD-196 STD-7987 73249

732507325173252

8 AN565B1032H59 70455

10 LW-1389611 7205312 7237813 STD-35

STD-3514 STD-47515 STD-1410

CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPPROPELLER GOVERNOR DRIVE ASSEMBLY

DESCRIPTION

GEAR, Governor driveSHAFT, Propeller governor idler gearGEAR ASSY., Propeller governor idler

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

WASHER, ThrustWASHER, ThrustWASHER, ThrustWASHER, ThrustSET SCREW, No. 10/32 x 5/16 longGASKET, 25/32 I.D. x 1-1/8 O.D. x 1/16 thickPLUG, 3/4-16 hex. hd.GASKET, GovernorCOVER, Governor driveWASHER, 5/16 plain (Woodward governor)WASHER, 5/16 plain (AN governor)WASHER, 5/16 lock, internal teethNUT, 5/16-18 plain

QUALTITYPER

ASSEMBLY

1-11

1


12

11-

/

I

Figure 6. PROPELLER GOVERNOR DRIVE ASSEMBLY

1-12

Lycoming TIO/LT10-540-U21WIDE CYLINDER FLANGE

CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPCRANKSHAFT AND RUEL PUMP IDLER GEARS

A PARTS CATALOGCRANKCASE MODEL ENGINE

FIG.REF.

7123456789

1011121314151617

PARTNUMBER

LW-13795STD-2167STD-216871668675307224671667STD-705716647730970474STD-1737729726916469159STD-1774STD-213

DESCRIPTION

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

BUSHING, Crankshaft idler gearSHAFT, Fuel pump idler gearLOCKPLATE, 1/4 bolt x 1-3/4 spacing (offset)SCREW, 1/4-20 x 11/16 long, hex. hd.GEAR ASSY., Fuel pump idler

BUSHING, Crankshaft idler gearWASHER, Fuel pump gear thrustRING, 37/64 dia. x 3/64 thick, external retainingSHAFT GEAR ASSY., Fuel pump driveGASKET, Fuel pump adapterADAPTER ASSY., Fuel pump drive

PIN, 1/8 dia. x 1/4 longSEAL, Oil, 3/4 I.D. x 1-3/8 O.D.

QUALTITYPER

1-13


7

1

11

4

Figure 7. CRANKSHAFT AND FUEL PUMP IDLER GEAR

1-14


CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPCRANKCASE ATTACHING PARTS

FIG.REF.

8123456789

1011121314151617


STD-1414STD-8STD-141960803STD-2084STD-160STD-1411STD-1416STD-8STD-1409AN6-34ASTD-33STD-872STD-33STD-678STD-59676220

BOLT, 1/4-20 x 1-1/2 long, hex. hd.WASHER, 1/4 plainBOLT, 1/4-20 x 1-1/8 long, hex. hd.STRAP, LiftingBOLT, 1/4-20 x 1-3/4 long, hex. hd.WASHER, 1/4 lock, internal teethNUT, 1/4-20 plainBOLT, 1/4-20 x 1-1/2 long, hex. hd.WASHER, 1/4 plain (Max. 6)NUT, 1/4-20 slotted shearBOLT, 3/8-24 x 3-1/2 long, hex. hd.WASHER, 3/8 plainNUT, 3/8-24 slottedWASHER, 3/8 plainWASHER, 3/8 lock, internal teethNUT, 3/8-24 plainSTUD, 1/2-20 x 10-45/64

QUALTITYPER

ASSEMBLY

1-15

Lycom

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IO/L

TIO

-540-U2A

PA

RT

S C

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AL

OG

WID

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Figure 8. CR

AN

KC

ASE

AT

TA

CH

ING

PA

RT

S

1-16


ACCESSORY HOUSING AND RELATED PARTSACCESSORY HOUSING ASSEMBLY

FIG.REF.

9


1 738182 LW-10641'

LW-183093 31C-124 31CD-20*5 31CD-196 31CD-24**7 31C-218 31C-199 25C-21

10 STD-78311 STD-784*12 110213 76156

GASKET, Accessory housingHOUSING ASSEMBLY, AccessoryHOUSING ASSEMBLY, Accessory

STUD. 5/16-18 x 1-1/2 longSTUD, 5/16-18 x 2-1/2 long, drilledSTUD, 5/16-18 x 2-21/64 longSTUD, 5/16-18 x 3.00 longSTUD, 5/16-18 x 2-5/8 longSTUD, 5/16-18 x 2-3/8 longSTUD, 1/4-20 x 2-5/8 longPLUG, 1/4-18 NPTPLUG, 3/8 pipe, Allen hd.PLUG, 1/8 pipe x 3/8 long, socketSHIELD, Oil accessory breather

QUALTITYPER

ASSEMBLY


2-1

3-7


8-

Figure 9. ACCESSORY HOUSING ASSEMBLY

2-2

Courtesy of Bomar Flying Service www.bomar.biz


ACCESSORY HOUSING AND RELATED PARTSOIL PUMP ASSEMBLY AND ACCESSORY HOUSING ATTACHING PARTS

FIG.REF.

10


1 75287*LW-16718**

2 603293 STD-714

AN380C4-24 STD-13395 767846 612977 612988 STD-359 STD-1420

10 LW-1426011 STD-812 STD-16013 STD-120414 STD-141915 STD-193116 STD-122717 STD-1904*18 STD-8*19 STD-1409

BODY ASSEMBLY, Oil pumpBODY ASSEMBLY, Oil pump

SHAFT, Oil pump idlerPIN, 1/8 dia. x 1.00 long, cotterPIN, 1/8 dia. x 1/2 long, cotterPLUG, 1/16-27 NPT Allen head

SHAFT, Oil pump driveIMPELLER, Oil pump, drivingIMPELLER, Oil pump, drivenWASHER, 5/16NUT, 5/16-18 slottedSEAL, Tachometer drive, oilWASHER, 1/4 plainWASHER, 1/4-20 lock, internal teethBOLT, 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.WASHER, 1/4 copperBOLT, 1/4-20 x 2-3/4 long, hex hd., drive endWASHER, 1/4 plainNUT, 1/4-20, slotted shear

QUALTITYPER

ASSEMBLY

* Used on TIO-540-U2A engines.** Used on LT10-540-U2A engines.

2-3


-11-12-13

1 1-12-15

19

1 1-12-13

1-12-14

7-

8-

Figure 10. OIL PUMP AND ACCESSORY HOUSING ATTACHING PARTS

2-4


ACCESSORY HOUSING AND RELATED PARTSFUEL PUMP ASSEMBLIES

FIG.REF. PART

NUMBER DESCRIPTION

1 LW-107992 LW-13909*

LW-18461**3 LW-14444*4 764225 MS20822-6-86 754477 STD-358 STD-4759 STD-1410

SPACER, Fuel pump insulatingPUMP, Fuel (RG9080-J4A)PUMP ASSY., Fuel

PUMP, Fuel (RG9080-J6A)ELBOW, Fuel pumpELBOW, 3/8 tube to 1/2 NPT, 90°

NIPPLE, Fuel pump ventWASHER, 5/16 plainWASHER, 5/16 lockNUT, 5/16-18 plain

QUALTITYPER

ASSEMBLY

* Used on T10-540-U2A engines.** Used on LTIO-540-U2A engines.

2-5

5


6

-4

Figure 11. FUEL PUMP ASSEMBLIES

2-6


ACCESSORY HOUSING AND RELATED PARTSVACUUM PUMP DRIVE, OIL COOLER AND BREATHER FITTINGS

FIG.REF. PART12 NUMBER

1 611832 675363 STD-17744 STD-2085 729746 715967 83138 604309 STD-8

10 STD-16011 STD-141112 STD-29413 6241714 MS20823-815 AN-844-16D

DESCRIPTION

GASKET, Accessory adapterADAPTER ASSEMBLY, Vacuum pump

DOWEL, 1/8 dia. x 1/4 longSEAL, Oil 7/8 I.D. x 1-1/2 O.D. x 5/16 wide

GEAR ASSY., Vacuum pump drivenWASHER, Accessory driven gearGASKET, Vacuum pumpCOVER, Vacuum pumpWASHER, 1/4 plainWASHER, 1/4 lock, internal teethNUT, 1/4-20 plainGASKET, 7/8 O.D. x 5/8 I.D. x 3/32 annularPLUG, Oil cooler bypassELBOW, 1/2 flared tube, 3/8 NPT, 45°

ELBOW, 3/4 pipe thread to 1.00 I.D. hose, 45°

QUALTITYPER

ASSEMBLY

2-7

5


15

2

13

7-

910

11

-14

-4

Figure 12. VACUUM PUMP DRIVE, OIL COOLER AND BREATHER FITTINGS

2-8


FIG.REF.

13123456789

10111213141516

PARTNUMBER

729647159668315LW-10807STD-20825C-32STD-1774STD-35STD-475STD-1410831360430LW-10806STD-8STD-160STD-1411

ACCESSORY HOUSING AND RELATED PARTSHYDRAULIC PUMP DRIVE AND COVERS

DESCRIPTION

GEAR ASSY., Hydraulic pump drivenWASHER, Accessory drive gearGASKET, Accessory drive adapterADAPTER ASSY., Hydraulic pump

SEAL, Oil, 7/8 I.D. x 1-1/2 x 5/16 wideSTUD, 1/4-20 x 4.00 longPIN, 1/8 dia. x 1/4 long

WASHER, 5/16 plainWASHER, 5/16 lock, internal teethNUT, 5/16-18 plainGASKET, Hydraulic pumpCOVER. Hydraulic pumpSPACER, Hydraulic pump studWASHER, 1/4 plainWASHER, 1/4 lock, internal teethNUT, 1/4-20 plain

QUALTITYPER

ASSEMBLY

2-9

Lycom

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IO/L

TIO

-540-U2A

P

AR

TS

CA

TA

LO

GW

IDE

CY

LIND

ER

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NK

CA

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GIN

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Figure 13. HY

DR

AU

LIC

PU

MP

DR

IVE

AN

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ER

S

2-10

LycomingLycoming T10/LT10 IO-540-U2A PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE

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

FIG.REF.14

123456789


LW-12795LW-1321577852STD-8STD-160STD-1411STD-18567594425C-10

GASKET, Oil filter adapterOIL FILTER, Short, (spin-on type)BASE ASSY., Oil filterWASHER, 1/4 plainWASHER, 1/4 lock, internal teethNUT, 1/4-20 plainSCREW, 1/4-20 x 1.00 long, hex. hd., self-lockingVALVE ASSY., Temp. control, oil cooler bypassSTUD, 1/4-20 x 1-1/4 long

QUALTITYPER

ASSEMBLY

2-11


Figure 14. OIL FILTER ASSEMBLY AND OIL COOLER BYPASS VALVE

2-12


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

FIG.REF.

15


1 LW-134222 LW-139233 LW-125964 LW-121865 LW-13212

LW-13209LW-16143

6 LW-105457 LW-140788 608289 74241

10 73857

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

BEARING, Connecting rodBEARING, Connecting rod (alternate)BEARING, Connecting rod (alternate)PISTON, Compression ratio, 7.30:1 (finned)PIN, PistonPLUG, Piston pinRING, Piston, top compressionRING, Piston, oil regulating (expander type)

QUALTITYPER

ASSEMBLY

3-1

,

Lycom

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IO/L

TIO

-540-U2A

P

AR

TS

CA

TA

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GW

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CY

LIND

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co

Figure 15. CO

NN

EC

TIN

G

RO

DS, PIST

ON

S AN

D R

ING

ASSE

MB

LIE

S

3-2


CYLINDER, PISTON AND VALVE TRAINCYLINDER ASSEMBLY

FIG.REF.

16123456789

1011121314


LW-12988LW-1268871894667137583869260STD-187231C-1325C-866670MS20823-6D72343723441102

CYLINDER AND HEAD ASSEMBLYSEAT, Intake valveSEAT, Exhaust valveGUIDE, Valve intakeGUIDE, Valve exhaust (Ni-Resist)INSERT, Spark plug, 18-1.5 MM (long reach)INSERT, 1/8-27 Heli-Coil taper pipe threadSTUD, 5/16-18 x 1-5/8 longSTUD, 1/4-20 x 1.00 longBUSHING, Rocker shaftELBOW, 3/8 flared tube, 1/4 pipe threadSTABILIZER, Cylinder head fins, 15 teethSTABILIZER, Cylinder head fins, 26 teeth

PLUG, 1/8-27 NPT, Allen

QUALTITYPER

ASSEMBLY

* Nitrided cylinder, long reach plug

3-3


13

11

Figure 16. CYLINDER ASSEMBLY

3-4


CYLINDER, PISTON AND VALVE TRAINVALVE ASSEMBLY

FFIG.REF.

17


1 LW-136222 LW-167403 LW-117974 LW-117965 LW-133216 LW-133227 695328 LW-164759 72050

10 6238811 MS13997-312 MS13998-313 7829014 7852415 7225516 LW-1307717 66728*18 6150319 LW-1866120 6292221 73455

73456734577345873555735567355773558

22 6711323 6711424 6711225 6711426 7154927 72626

VALVE, Intake (small diameter intake rotator)VALVE, Exhaust (rotator type)SPRING, Valve, innerSPRING, Valve, outerSEAT, Valve spring, lower intakeSEAT, Valve spring, lower exhaustSEAT, Valve spring, upper intake (rotator)SEAT, Valve spring, upper exhaust (rotator)KEY, Valve intake (rotator)CAP, Valve stem intake (rotator)KEY, Valve exhaust (rotator)CAP, Valve stem, exhaust (rotator)PLUNGER ASSY., Hydraulic tappetSOCKET, Push rod, hydraulic tappetTUBE ASSY., Shroud, push rodSPRING, Shroud tubeWASHER, 25/32 I.D. x 1-1/4 0.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., PushROCKER ASSY., Intake valve

BUSHING, Valve rockerROCKER ASSY., Exhaust valve

BUSHING, Valve rockerWASHER, Valve rocker thrustSHAFT, Valve rocker

QUALTITYPER

ASSEMBLY

* See latest edition of Textron Lycoming Service Instruction No. 1284 for application of Port No. 66728 washer.See latest edition of Textron Lycoming Service Instruction No. 1060 for complete push rod application.

3-5

Lyco

min

gT

IO/L

TIO

-540-U2A

P

AR

TS

CA

TA

LO

GW

IDE

CY

LIND

ER

FLA

NG

E C

RA

NK

CA

SE

MO

DE

L EN

GIN

E

m0

Figure 17. VA

LV

E A

SSEM

BL

Y

3-6


CYLINDER, PISTON AND VALVE TRAINCYLINDER RELATED PARTS

FIG.REF.

'18123456789

1011121314151617181920212223242526272829

PARTNUMBER

6673266731STD-160STD-14116719368795STD-192574494714817790674887383-BSTD-2090STD-684STD-2180LW-15592-5-05727027270373027LW-10610LW-10611716107161172834STD-692STD-67065614STD-251STD-1686

DESCRIPTION

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, cyls. no. 3, 4, 5, 6BAFFLE AND CLIP ASSY., Intercylinder, cyls. no. 1 & 6BAFFLE AND CLIP ASSY., Intercylinder, cyls. no. 2 & 5HOOK, Intercylinder baffle retainerRETAINER, Intercylinder baffleCOVER, Baffle ignition cable holeSCREW, No. 10/32 x 1/2 long, rd. hd.NUT. No. 10/32 self-lockingPLUG, Baffle attachingWASHER, No. 10, internal lockSCREW, 10/32 x 7/16 long, fill. hd.

QUALTITYPER

ASSEMBLY

3-7

Lyco

min

gT

IO/L

TIO

-540-U2A

PA

RT

S C

AT

AL

OG

WID

E C

YLIN

DE

R F

LAN

GE

CR

AN

KC

AS

E M

OD

EL E

NG

INE

U)

N

N

N

N

Figure 18. C

YL

IND

ER

RE

LA

TE

D P

AR

TS

3-8

Lycoming TIO/LT10-540-U2A PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE

IGNITION SYSTEMMAGNETOS, MAGNETO DRIVES AND SPARK PLUGS

FIG.REF.

19123456789

101112131415161718192021222324252627282930


LW-1213662224LW-12681LW-127077301373636LW-349610-2'LW-349490-2'LW-349510-2'LW-720515-203LW-349610-3LW-349490-3LW-349510-3LW-720515-20375965STD-475STD-1410STD-6961182-K4tLW-16494*67542*LW-18194**67542AN816-4LW-18262MS29512-4LW-13134MS20822-4LW-12784-4-060LW-12784-4-080

CUSHION, Magneto driveGASKET, Magneto adapterGASKET, MagnetoADAPTER, MagnetoCOUPLING, Magneto drive (retard)COUPLING, Magneto drive (right)MAGNETO, Ignition system

MAGNETO, Ignition, S6LN-1258 (25° retard)MAGNETO, Ignition, S6LN-1259HARNESS, Ignition, (3/4-20)

MAGNETO, Ignition systemMAGNETO, Ignition, S6RN-1258 (25° retard)MAGNETO, Ignition, S6RN-1259HARNESS, Ignition (3/4-20)

CLAMP, MagnetoWASHER, 5/16 lock, internal teethNUT, 5/16-18 plainWASHER, 1/4 plainSPARK PLUG, (Champion RHB-36W) (Iridium) long reachGEAR RETAINER ASSY.

BEARING, BallGEAR RETAINER ASSY.

BEARING, BallNIPPLE, 1/4 flared tube, 1/8 NPTADAPTER, Magneto pressurizationSEAL, Oil, 5/64 dia. sect. 23/64 I.D.VALVE ASSY., ReliefELBOW, 1/4 flared tube, 1/8 NPT, 90°

HOSE ASSY., Magneto adapter to left magnetoHOSE ASSY., Magneto adapter to right magneto

QUALTITYPER

ASSEMBLY

t Item No. 19 spork plug is used in current production only. Additional spark plugs are available for this engine. See latest edition of lextronLycoming Service Instruction No. 1042 for complete listing of all approved spark plugs.


NOTE

Individual spark plug leads may be replaced by ordering either 620633-48 (1B, 2B, 3B, 4B, 5B, 6B, 3T, 4T,5T, 6T) or 620633-72 (1T, 2T). Replacement Elbow is P/N 10-320573-2.

4-1

TIO

/LT

IO-540-U

2A P

AR

TS

CA

TA

LO

GW

IDE

CY

LIND

ER

FLA

NG

E C

RA

NK

CA

SE

MO

DE

L EN

GIN

E

Figure 19. M

AG

NE

TO

S, MA

GN

ET

O D

RIV

ES A

ND

SPA

RK

PL

UG

S

4-2

Lycoming TIO, LTIO-540-U2A PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES

IGNITION SYSTEMPRESSURIZED MAGNETOS (SLICK), MAGNETO DRIVES, HARNESSES AND SPARK PLUGS

FIG.EF. PART9A NUMBER

1 7363673013

2 LW-136413 LW-190964 675425 622246 LW-127077 LW-126818 66LP-OSCNP

66LP-ORCNP9 66LR25SCNP

66LR25RCNP10 67J20608-P11 67J20609-P12 66M2119513 STD-47514 STD-141015 STD-71316 LW-12784-4-10217 AN816-418 LW-12784-4-06019 LW-1826220 66N2102021 MS29512-0422 MS20822-423 1182-L7*

DESCRIPTIONQTY.

PER ASSY.TIO LTIO

2222222

COUPLING; Magneto driveCOUPLING. Magneto driveCUSHION; Magneto driveGEAR RETAINER ASSY.

BEARING. BallGASKET. Magneto adapterADAPTER. MagnetoGASKET. MagnetoMAGNETO. Right. Slick Model No. 6360MAGNETO. Right. Slick Model No. 6340MAGNETO. Left. (Retard). Slick Model No. 6365MAGNETO. Left, (Retard). Slick Model No. 6391HARNESS ASSY.. Right. Slick P/N M-2966HARNESS ASSY.. Left. Slick P/N M-2965CLAMP. MagnetoWASHER. 5/16 lock, internal teethNUT. 5/16-18 plainCOTTER PIN. 3/32 dla. x 3/4 longHOSE. Right magneto to ninnleNIPPLE. 1/4 flared tube. 1/8 NPTHOSE, Left magneto to nippleADAPTER, Magneto pressurizationVALVE ASSY.. ReliefSEAL. Oil. 5/64 dia. section x 23/64 I.D.ELBOW. 1/4 flared tube. 1/8 NPT. 90°

SPARK PLUG. Champion (RHB36S) orAuburn (281)

* Item No. 23 spark plugs are used in current production. See latest edition of Textron LycomingService Instruction No. 1042 for complete listing of all approved spark plugs.

Added February, 1995 4-2A

11

Part No.

LW-M-237676734LW- 16266-25-25LW-14060LW- 16266-25-44LW-16266-10-75

Lycoming TIO, LTIO-540-U2A PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES

Part Name

PLATE, 3 WireZIP STRAPCLIP, One wire for 1/4 screwCLIP, Two wire for 1/4 screwCLAMP, Three wireCLAMP, Six wire

212242

Qty.

ATTACHING -IARDWARE

Figure 19A. PRESSURIZED MAGNETOS (SLICK), MAGNETO DRIVES, HARNESSESAND SPARK PLUGS

4-2B Added February, 1995

FIG.REF.

201

2


ELECTRICAL COMPONENTSALTERNATOR AND BELT


QUALTITYPER

ASSEMBLYLW-14324

74519

ALTERNATOR, 24 volt, 70 amp., externally grounded(ALU-8421)

BELT, Alternator drive, 3/8 wide

NOTE

See latest edition of Textron Lycoming Service Instruction No. 1154 for complete listing of FAA approvedstarters generators, alternators. requlators and relays.

2

0

o

Figure 20. ALTERNATOR AND BELT

5-1


ELECTRICAL COMPONENTSSTARTER MOTOR AND ATTACHING PARTS

FIG.REF.

21


1 LW-15572*

LW-14214**

2 STD-353 STD-4754 STD-21565 STD-1410

STARTER, 24 volt (3.38:1 internal reduction) (12/14 p. pinion)(MHB-4016)

STARTER, 24 volt, 3.38:1, ratio - 12/14 pitch(MHB-4014)

WASHER, 5/16 plainWASHER, 5/16 internal lockBOLT, 5/16-18 x 1-5/32 long, hex hd.NUT, 5/16-18 plain

QUALTITYPER

ASSEMBLY

* Used on TIO-540-U2A engines.** Used on LTIO-540-U2A engines.

NOTE

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

Figure 21. STATER MOTOR AND ATTACHING PARTS

5-2


ELECTRICAL COMPONENTSALTERNATOR MOUNTING AND ATTACHING PARTS

FIG.REF.

22123456789

101112131415161718192021222324252627282930

PARTNUMBER

7775673383STD-183877757STD-1727LW-14637*LW-14649'STD-1889786397861478629MS16625-1125786177676876769STD-669STD-676STD-1727LW-14637STD-1889LW- 10952'STD-690AN6-12STD-872STD-71376534AN6-16STD-690STD-872STD-713

DESCRIPTION

BRACKET, AlternatorLOCKPLATE, 5/16 bolt x 1.00 spacingBOLT, 5/16-18 x 5/16 long, hex hd.BRACKET, Alternator belt adlustingWASHER, Plain, 3/4 O.D. x 11/32 I.D. x 1/8 thickSHIM, 13/16 O.D. x 11/32 I.D. x .005 thickSHIM, 13/16 O.D. x 11/32 I.D. x .010 thickBOLT, 15/16-18 x 1-7/32 long, hex hd., drilledPULLEY & SHAFT ASSY., Alternator belt adlusting

PULLEY, Alternator belt adlustingBEARING, Ball, alternator idler pulleyRING, Internal retaining, 1-1/8 diameterIDLER SHAFT, Alternator belt adlustingWASHER, Lock, alternator idler pulley bearingLOCKNUT, Alternator idler pulley bearing

WASHER, 33/64 I.D. x 1.00 O.D. x 1/8NUT, 1/2-20 self-locking, 39/64 thickWASHER, Plain, 3/4 O.D. x 11/32 I.D. x 1/8 thickSHIM, 13/16 O.D. x 11/32 I.D. x .005 thickBOLT, 5/16-18 x 1-7/32 long, hex hd., drilledSHIM, 13/16 O.D. x 13/32 I.D. x .005 thickWASHER, 13/16 O.D. x 25/64 I.D. x 1/16 thickBOLT, 3/8-24 x 1-21/64 long, hex hd., drilled endNUT, 3/8-24 slottedPIN, Cotter, 3/32 dia. x 3/4 longSHIM, 1-1/8 O.D. x 13/32 I.D. x .005 thickBOLT, 3/8-24 x 1-53/64 long, hex hd., drilled endWASHER, 13/16 O.D. x 25/64 I.D. x 1/16 thickNUT, 3/8-24 slottedPIN, Cotter, 3/32 dia. x 3/4 long

QUALTITYPER

* Shim as required for belt alignment between crankcase, idler adj. bracket, alternator and alternator bracket.

5-3

Lyco

min

gT

IO/LT

IO-540-U

2A

PA

RT

S C

AT

ALO

GW

IDE

CY

LIN

DE

R FL

AN

GE

CR

AN

KC

ASE

MO

DE

L EN

GIN

E

Figure 22. AL

TE

RN

AT

OR

M

OU

NT

ING

AN

D A

TT

AC

HIN

G

PAR

TS

5-4

TIO/LTIO-540-U2A PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE

OIL SUMP AND INDUCTION SYSTEMOIL SUMP AND INDUCTION HOUSING ASSEMBLY

FIG.REF. PART23 NUMBER

1 LW-133832 LW-133843 LW-133854 STD-4255 STD-16866 LW-133067 LW-149468 LW-182919 STD-514

10 7217911 72167

7216872169

12 LW-1127313 25C-914 25C-1115 38-1716 7270617 STD-9118 110219 STD-78420 STD-35521 STD-822 STD-16023 STD-164624 STD-168825 STD-141126 STD-58927 7296028 STD-187529 STD-830 STD-16031 STD-141932 STD-168833 STD-141134 STD-551

DESCRIPTION

BAFFLE, Oil sumpSUPPORT, Oil sump baffleSUPPORT, Oil sump baffleWASHER, 7/16 O.D. x 13/64 I.D. x 1/16 thickSCREW, 10-32 x 7/16 long, fill. hd.GASKET, Oil sumpHOUSING ASSY., Oil sump and induction

COVER, Induction housingDOWEL, 5/16 dia. x 1/2 longSTUD, Intake pipe extensionPIPE, Extension, intake cylinder, no. 1 & 2PIPE, Extension, intake cylinder, no. 3 & 4PIPE, Extension, intake cylinder, no. 5 & 6CLAMP, Intake pipe extensionSTUD, 1/4-20 N. form x 1-1/8 longSTUD, 1/4-20 x 1-3/8 longSTUD, 3/8-16 x 2-1/8 longINSERT, Heli-Coil 1/4-20 x 3/8 long, self-lockPLUG, 1/2-14 NPT, Allen headPLUG, 1/8 NPT, Allen headPLUG, 3/8-18 NPT, Allen headPLUG, 3/4-14 NPT, Allen headWASHER, 1/4 plainWASHER, Lock, internal teethBOLT, 1/4-20 x 2.00 long, hex. headBOLT, 1/4-20 x 1.00 long, hex. headNUT, 1/4 plainGASKET, Annular, 1-1/8 O.D. x 29/32 I.D. x 1/16PLUG, 7/8-14 x 5/8 hex. headBOLT, 1/4-20 x 13/16 long

WASHER, 1/4 plainWASHER, Lock, internal teethBOLT, 1/4-20 x 1-1/8 long, hex. headBOLT, 1/4-20 x 1.00 long, hex. headNUT, 1/4-20 plainPLUG, 1/2-14 NPT, sq. hd., drilled

QUALTITYPER

ASSEMBLY

6-1

1


1

14-

1

-16

17

-16

-8

1

16- 928

Figure 23. OIL SUMP AND INDUCTION HOUSING ASSEMBLY

6-2


OIL SUMP AND INDUCTION SYSTEMINTAKE PIPES AND AIR INLET HOUSING

FIG.REF.

24123456789

1011121314151617181920


72711LW-12191LW-12192LW-12193LW-12194LW-121957197374360STD-8STD-160STD-121572210LW-18981STD-11641102STD-8STD-187560422STD-111LW-12545

RING, Seal, intake pipesPIPE, Intake, cylinder no. 1PIPE, Intake, cylinder no. 2PIPE, Intake, cylinder no. 3PIPE, Intake, cylinder no. 4 & 5PIPE, Intake, cylinder no. 6GASKET, 2 bolt flange, 1-7/8 I.D.FLANGE, Intake pipe, upperWASHER, 1/4 plainWASHER, 1/4 lock, internal teethBOLT, 1/4-20 x 1-1/4 long, hex. headGASKET, Air throttle housingHOUSING ASSY.. Air inlet

INSERT, Heli-coil 5/16-18 x 5/8 longPLUG. 1/8 pipe, Allen head

WASHER, 1/4 plainBOLT. 1/4-20 x 13/16 long, hex. headSCREEN. Oil suctionGASKET, 1.00 I.D. x 1-1/4 O.D. x 3/32PLUG, 5/8 Hex head x 1 00, 20 thread

QUALTITYPER

ASSEMBLY

6-3


-2

2

14

Figure 24. INTAKE PIPES AND AIR INLET HOUSING

6-4

TIO/LTIO-540-U2A PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE

OIL SUMP AND INDUCTION SYSTEMFUEL INJECTOR, FUEL MANIFOLD AND AIR BLEED NOZZLES

FIG.REF. PART25 NUMBE1 730322 LW-181573 MS29512-64 AN919-65 STD-17276 STD-357 STD-4758 STD-18289 79007

10 MS20823-411 AN780-212 7544713 LW-1818214 7396615 7396516 STD-25117 STD-8218 LW-12098-0-20019 LW-12098-0-17020 LW-16266-10-7521 LW-16266-10-1322 STD-86023 STD-42524 STD-67025 7313626 LW-12876-4S33427 7315228 LW 16266-25-6329 STD-86030 STD-42531 STD-67032 LW-12877-6S-04533 MS20822-6-834 LW-1802835 LW-1659936 LW-1872437 LW-15592-5-0438 LW-16266-25-38'39 STD-133940 STD-160*41 STD-1688

ER DESCRIPTION

GASKET, Air inlet housingFUEL INJECTOR (2524880-1)SEAL, OilREDUCER, Flared tube (3/8 O.D. to 1/4 O.D.)WASHER, 5/16 thickWASHER. 5/16 plainWASHER, 5/16 internal toothBOLT, 5/16-18x 1-5/16 long, hex hd.MANIFOLD ASSY., Fuel

ELBOW, 1/4 tube x 1/8 NPT, 45°

NIPPLE, Union 1/8 NPTNIPPLE. 3/16 tube to 1/8 NPT, restricted

NOZZLE ASSY . Manifold air bleedSPACER. Fuel manifold bracketBRACKET. Fuel manifoldWASHER. No. 10 lock. internal teethSCREW, No. 10-24 x 1/2 long. fill. hd. driveTUBE ASSY., Fuel manifold to nozzle cyls. 1, 2, 5 & 6TUBE ASSY . Fuel manifold to nozzle cyls. 3 & 4CLAMPCLAMPSCREW, No. 10-32 x 5/8 long, fill. hd.WASHER. No. 10, plainNUT. No. 10-32. self-lockingBRACKET, 90°

HOSE ASSY.. Fuel injector to fuel manifoldBRACKET. Support clampCLAMPSCREW, No. 10-32 x 5/8 long, fill. hd.WASHER, No. 10, plainNUT. No. 10-32. self-lockingHOSE ASSY., Fuel pump to inlectorELBOW, 3/8 flared tube with 1/2 NPT. 90° fuel pump outletMANIFOLD, Right. outer, injector nozzle ventMANIFOLD, Left. outer, injector nozzle ventHOSE. 3/16 I.D. x 7/16 O.D. x 3-1/4 longCLAMP. 7/16 I.D. x 5/16 wideCLIP, 3/8 I.D. x 1/4 screwPLUG, 1/16-27 NPT, AllenWASHER, 1/4 lock, internal teethBOLT. 1/4-20 x 1.00 long, hex. hd.

QUALTITYPER

* Assemble 1 each at top forward boss on cylinders 2, 3, 5 & 6.

6-5

33-


Figure 25. FUEL INJECTOR, FUEL MANIFOLD AND AIR BLEED NOZZLES

6-6

FIG.REF.

26123


TURBOCHARGER AND EXHAUST SYSTEMSINTERCOOLER ASSEMBLY AND RELATED PARTS

PARTNUMBER

LW-18821MS29513-138LW-14445-2

DESCRIPTION

INTERCOOLER, Harrison (HR800159)SEAL, "0" Ring, 2-7/64 x 7/64 sectionVALVE ASSY., Absolute pressure relief

QUALTITYPER

ASSEMBLY

2-

3-

U

Figure 26. INTERCOOLER ASSEMBLY AND RELATED PARTS

7-1


TURBOCHARGER AND EXHAUST SYSTEMS

NOTE

The Turbocharger and Control Com-ponents for this engine shall be sup-plied by the Airframe Manufacturer.

7-2


SERVICE KIT SECTION

SEAL AND GASKET SETWIDE CYLINDER FLANGE MODELS

Part NamePart No. Qty.

LW-18072MS16625-1081MS29512-6MS29513-138STD-111STD-208STD-213STD-294STD-589STD-1045STD-173783136118362224LW-186616673267193LW-186386831569164695517045570457711937148171667719737205372091722107231272711730327381877611LW-12681LW-12795LW-13306LW-14260LW-15628

SEAL AND GASKET SETRING, Internal retainingSEAL, OilSEAL, OilGASKETSEAL, OilSEAL, Oil (fuel pump drive)GASKETGASKETGASKETRINGGASKET, Vacuum pumpGASKET, Accessory adapterGASKET, MagnetoSEAL, Shroud tubeGASKET, Valve rocker shaft coverGASKET, Rocker box coverLOCKPLATE, Crankshaft gearGASKET, Acc. drive adapterGASKET, Fuel pump adapterGASKET, Acc. pad coverGASKETGASKETBOXRING, Oil sealLOCKPLATE, Crankshaft idler gearGASKET, Intake flangeGASKET, Governor drive padRING, Oil sealGASKET, Oil throttle housingRING, Oil sealRING, Oil seal, intake pipeRING, Air inlet housingGASKET, Acc. housingGASKET, Exhaust flangeGASKET, MagnetoGASKETGASKET, Oil sumpSEAL, TachometerSEAL, Crankshaft

11112212111214

2412611111116261211611621111

8-1


SERVICE KIT SECTION

CYLINDER, PISTON AND RING KITWIDE CYLINDER FLANGE MODELS

Part NamePart No. Qty.

LW-180697205060828LW-186616673166732671126711367193LW-1332168795711957148171549726267385773112 or LW-13322LW-1362274241LW-11167LW-1647569532LW-11775LW-11796LW-11797LW-10545SLW-13446 or LW-14077LW-12988MS13997-3MS13998-3STD-160STD-1411STD-1215STD-19256238874494

CYLINDER, PISTON AND RING KITKEY, ValvePLUG, Piston pinSEAL, Shroud tubeCOVER, Valve rocker shaftGASKET, Valve rocker shaft coverROCKER ASSY., Exhaust valveROCKER ASSY., Intake valveGASKET, Rocker box coverSEAT, Valve spring, lowerCOVER ASSY., Rocker boxBOX, Set upRING, Oil sealWASHER, Valve rockerSHAFT, Valve rockerRING, Oil regulatorSEAT, Valve spring, lowerVALVE, IntakeRING, PistonVALVE, Exhaust, nimonicSEAT, Valve springSEAT, Valve springPLUG, Piston pinSPRING, Valve, outerSPRING, Valve, auxiliaryPISTONPIN, PistonCYLINDER ASSY.KEY, Valve (rotator type)CAP, Valve stemWASHER, Internal lockNUT, PlainBOLTSCREWCAPPLATE, Spark plug caution

122422111111122111211122211121442921

8-2


NUMERICAL INDEX

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

AN380C4-2AN565B1032H5AN6-12AN6- 16AN6-34AAN780-2AN816-4AN844 16DAN919-6LW-10442LW-10541LW-10545LW-10610LW 10611LW- 10641LW 10799LW-10806LW 10807LW-10952LW-11273LW-11713LW-11796LW-11797LW-1 2098-0-170LW-12098-0-200LW-12136LW-12186LW 12191LW-12192LW-1 2193LW-12194LW-12195LW-12201LW-12545LW 12596LW-12681LW- 12688LW-12707LW-12784-4-060LW-1 2784-4-080LW-12795LW- 12876-4S334LW 12877-6S-045LW-12988LW-13077LW-13134LW-13209LW-13212LW-13215LW-13306

PinSet ScrewBoltBoltBoltNippleNippleElbowReducerGearGear Assy.PistonBaffle Assy.Baffle Assy.Housing Assy.SpacerSpacerAdapter Assy.ShimClampSpringSpringSpringTube Assy.Tube Assy.CushionNutPipePipePipePipePipeCamshaftPlugBoltGasketSeatAdapterHose Assy.Hose Assy.GasketHose Assy.Hose Assy.Cylinder & Head Assy.SpringValve Assy.BearingBearingOil FilterGasket

2-31-115-35-31-156-54-12-76-51-111-113-13-73-72-12-52-92-95-36-11-53-53-56-56-54-13-16-36-36-36-36-31-96-33-14-13-34-14-14-12-116-56-53-33-54-13-13-12-116-1

LW-1 3321LW-1 3322LW-1 3383LW- 13384LW-1 3385LW-1 3422LW-1 3622LW- 13794LW-1 3795LW-1 3885LW- 13896LW-1 3909LW-1 3923LW- 14021LW- 14078LW-14214LW-14260LW-14324LW- 14444LW-14445-2LW-14637LW-14649LW-14820LW- 14830LW-14946LW-15572LW-15592 5-04LW- 15592-5-05LW- 15628LW-16143LW-16266-10-13LW-16266-10-75LW-16266-25-38LW-16266 25-63LW-16475LW- 16494LW-16599LW-16718LW- 16740LW- 16783-3LW-17763LW-17764LW-17788LW-17789LW-18028LW- 18157LW- 18182LW-18194LW- 18208LW- 18262

SeatSeatBaffleSupportSupportConnecting Rod Assy.ValveStudShaftBearingPlugPumpBushingShaftPinStarterSealAlternatorPumpValve Assy.ShimShimRingBearingHousing Assy.StarterClampClampSealBearingClampClampClipClampSeatGear Retainer Assy.ManifoldBody Assy.ValveGage Assy.CrankshaftCrankshaftCrankshaftCrankshaftManifoldFuel InjectorNozzle Assy.Gear Retainer Assy.Crankcase Assy.Adapter

3-53-56-16-16-13-13-51-11-131-51-112-53-11-113-15-22-35-12-57-15-35-31-71-56-15-26-53-71-53-16-56-56-56-53-54-16-52-33-51-31-71-71-71-76-56-56-54-11-14-1

9-1

Textron Lycoming TIO/LTIO-540-U2A PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE

NUMERICAL INDEX (Cont.)

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

LW-18291LW- 18309LW-18461LW- 18638LW- 18661LW 18724LW- 18821LW-18981LW-349490-2LW-349490-3LW 349510-2LW-349510-3LW 349610-2LW-349610-3LW 720515-203MS13997-3MS13998-3MS16625-1081MS16625 1125MS20822 4MS20822 6-8MS20822-6-8MS20823-4MS20823-6DMS20823-8MS29512-4MS29512-6MS29513-138STD-8STD-8STD-8STD-8STD-8STD-8STD-8STD 19STD-33STD-33STD-35STD-35STD-35STD-35STD-35STD-35STD-82STD-91STD-111STD- 160STD-160STD-160

CoverHousing Assy.Pump Assy.LockplateSealHoseIntercoolerHousing Assy.MagnetoMagnetoMagnetoMagnetoMagnetoMagnetoHarnessKeyCapRingRingElbowElbowElbowElbowElbowElbowSealSealSealWasherWasherWasherWasherWasherWasherWasherDowelWasherWasherWasherWasherWasherWasherWasherWasherScrewPlugGasketWasherWasherWasher

6-12-12-51-73-56-57-16-34-14-14-14-14-14-14-13-53-51-95-34-12-56-56-53-32-74-16-57-11-152-32-72-92-116-16-31-111-31-151-112-32-52-95-26-56-56-16-31-152-32-7

STD- 160STD- 160STD-160STD-160STD-160STD-160STD-208STD-208STD-213STD-251STD-251STD-294STD-355STD-425STD-425STD-475STD-475STD-475STD-475STD-475STD-475STD-514STD-514STD-551STD-557STD-589STD-596STD-596STD-669STD-670STD-670STD-676STD-678STD-678STD-684STD-690STD-692STD-696STD-705STD-713STD-714STD-783STD-784STD-784STD-798STD-860STD-872STD-872STD-1045STD- 1065

WasherWasherWasherWasherWasherWasherSealSealSealWasherWasherGasketPlugWasherWasherWasherWasherWasherWasherWasherWasherDowelDowelPlugDowelGasketNutNutWasherNutNutNutWasherWasherNippleWasherScrewWasherScrewPinPinPlugPlugPlugDowelScrewNutNutGasketDowel

2-92-113-76-16-36-52-72-91-133-76-52-76-16-16-51-112-52-94-15-26-51-16-16-11-16-11-31-155-33-76-55-31-31-153-75-33-74-11-135-32-32-12-16-11-116-51-155-31-51-7

9-2



PART NO.

STD- 1164STD-1204STD-1211STD- 1215STD 1227STD-1339STD-1339STD-1339STD-1409STD-1409STD-1410STD-1410STD-1410STD-1410STD-1410STD-1411STD-1411STD-1411STD-1411STD--1411STD-1411STD-1414STD-1416STD-1419STD-1419STD-1419STD-1420STD-1646STD-1686STD-1686STD-1688STD-1688STD-1727STD-1727STD-1737STD-1774STD-1774STD-1774STD-1828STD-1838STD-1856STD-1872STD-1875STD-1875STD-1889STD-1904STD-1925STD 1931STD-2084STD-2090

PART NAME

InsertBoltPlugBoltWasherPlugPlugPlugNutNutNutNutNutNutNutNutNutNutNutNutNutBoltBoltBoltBoltBoltNutBoltScrewScrewBoltBoltWasherWasherRingPinDowelPinBoltBoltScrewInsertBoltBoltBoltBoltScrewBoltBoltNut

PAGE NO.

6-32-31-76-32-31-12-36-51-152-31-112-52-9415-21-152-72-92-113-76-11-151-151-152-36-12-361376-16-16-55-36-51-131-132-7296-55-32-113-36-16-35-32-33-72-31-153-7

PART NO.

STD-2156STD-2167STD-2168STD-2180STD-220925C-825C-925C-1025C-1125C-2125C-3231 C-1231C-1231C-1331C-1331C-1431C-1931C-2131CD-1931 CD-2031CD-2438-1338-1638-1738-2238D-1750-15383-B1028B110211021102110211021182-K48313831360329604226043060430608036082860945611836129761298615036222462388

PART NAME

BoltScrewNutHoseBoltStudStudStudStudStudStudStudStudStudStudStudStudStudStudStudStudStudStudStudStudStudStudNutBallPlugPlugPlugPlugPlugSpark PlugGasketGasketShaftScreenCoverCoverStrapPlugPlugGasketImpellerImpellerSleeveGasketCap

PAGE NO.

5-21-131-133-71-73-36-12-116-12-12-91-12-11-13-31-12-12-12-12-12-11-11-16-11-11-11-13-71-51-12-13-36-16-34-12-72-92-36-32-72-91-153-11-72-72-32-33-54-13-5

9-3



PART NO.

6241762922650076561466670667136672866731667326711267113671146719367530675366754268315687956915969164692606953269796704557045770474714817154971596715967161071611716647166771668718947190371907719737205072053720597209172155721587216772168721697217972210

PART NAME

PlugSealRetainerPlugBushingGuideWasherCoverGasketRocker Assy.Rocker Assy.BushingGasketBushingAdapter Assy.BearingGasketCover Assy.Adapter Assy.GasketInsertSeatDowelGasketGasketWasherRingWasherWasherWasherHookRetainerGear Assy.LockplateGear Assy.SeatBushingWasherGasketKeyGasketGasketRingBushingBushingPipePipePipeStudGasket

PAGE NO.

2-73-51-13-73-33-33-53-73-73-53-53-53-71-132-74-12-93-71131-133-33-51-11-111-31-13373-52-72-93-7371-131-131-13331-71-76-33-51-111-31-51-71-16-16-16-16-16-3

PART NO.

7224672255723067234372344723787262672702727037270672711728347287772960729647297272974730137302773032731367315273249732507325173252733837345573456734577345873555735567355773558736367364473772738107381873857739657396674241743607449474519748877528775447

PART NAME

ShaftTube Assy.BracketStabiizerStabilizerCoverShaftTube Assy.Tube Assy.InsertRingCoverBodyPlugGear Assy.Shaft Gear Assy.Gear Assy.CouplingTube Assy.GasketBracketBracketWasherWasherWasherWasherLockplateRod Assy.Rod Assy.Rod Assy.Rod Assy.Rod Assy.Rod Assy.Rod Assy.Rod Assy.CouplingCounterweight Assy.Nozzle Assy.BushingGasketRingBracketSpacerRingFlangePlateBeltSpacerBody Assy.Nipple

PAGE NO.

1-133-51-33-33-31-113-53-73-76-16-33-71-56-12-91-132-74-13-76-56-56-51-111-111-111-115-33-53-53-53-53-53-53-53-54-11-71-11-72-13-16-56-53-16-33-75-13-72-32-5

9-4



PART NO.

7544775656757377583875944759657611876148761557615676220764227653476768767697678476786

PART NAME

NippleBushingExtensionGuideValve Assy.ClampSpacerCamshaftShaft Assy.ShieldStudElbowShimWasherLocknutShaftGear

PAGE NO.

6-51-71-33-32-114-11-91-91-92-11-152-55-35-35-32-31-7

PART NO.

767877678877309777567775777808778527787277906782907836878524786147861778629786397900779024

PART NAME

RollerRollerBushingBracketBracketValve Assy.Base Assy.BushingSpacerPlunger Assy.PinSocketPulleyIdler ShaftBearingPulley & Shaft Assy.Manifold Assy.Bushing

PAGE NO.

1-71-71-135-35-31-52-111-113-73-51-93-55-35-35-35-36-51-7

9-5

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