TEXTRON LycomingWilliamsport Plant
TECHNICAL PUBLICATIONSUPPLEMENT
SUPPLEMENT No.
PC-102-1-B
ENGINE MODEL
O-290-D Series
PUBLICATION No.
PC-102-1
PUBLICATION DATE
January 1988
This supplement is arranged in the same basic format as the original parts catalogInsert In front of catalog for useage of subject matter.
Revised May, 1991
Page 4-1 - Magneto, Magneto Drive and Spark Plugs(Changes text of entire page)
TEXTRON LycomingWilliamsport PlantTextron Lycoming/Subsidiary of Textron Inc.
652 Oliver StreetWilliamsport, PA 17701 U.S.A.717/323-6181
TECHNICALPUBLICATION REVISION
REVISION No.PC-102-1-A
ENGINE MODEL PUBLICATION No.
0-290-D Series PC-102-1
PUBLICATION DATE
January 1988
The page(s) furnished herewith are intended to replace the corresponding
page(s) of the publication indicated above.
Remove I Insert
January 1988 September 1988
Page 1-5, 1-6 Page 1-5, 1-6
TO: PARTS MANAGER
THIS PARTS CATALOG PC-102-1 DATED JANUARY, 1988 UPDATES
AND REPLACES THE 0-290 SERIES INFORMATION IN PC-102. THE
0-235 SERIES INFORMATION HAS BEEN PREVIOUSLY UPDATED AND
REPLACED BY PC-302 DATED JUNE, 1982.
YOU MAY NOW DESTROY COPIES OF PC-102 DATED AUGUST, 1973
AND REPLACE WITH THE PUBLICATIONS LISTED ABOVE.
TEXTRON Lycoming O-290-D SERIES PARTS CATALOG
Williamsport Plant
INTRODUCTION
This Parts Catalog supersedes PC-102 dated August, 1973.
This illustrated parts catalog contains a complete parts listing for the Textron Lycoming O-290-D series air-craft engines.
Major assembly and sub-assembly parts of the engines are listed in the Group Assembly sections in thegeneral sequence of engine build up.
A Service Kits section and Oversize and Undersize Parts List are included to aid in ordering parts as necessaryduring overhaul.
The Numerical Index is provided for convenience in finding parts when only the part number is known.
Parts coverage of Vendor Accessories used on Textron Lycoming engines may be found in the appropriateVendor's Parts Catalog. A list of these publications appear in the latest edition of Service Letter No. L114.
NOTE
The illustrations, pictures and drawings shown in this publication are typical of the subject matter they por-tray.
This catalog, when used in conjunction with the appropriate overhaul manual, shall be used for parts identifica-tion only. Under no circumstances shall this catalog be used as an assembly or installation document.
Any reference in this document to a suppliers/parts manufacturers' product, by name, trademark, partnumber or other description is solely for the purposes of identification and does not indicate or infer that TextronLycoming accepts responsibility for quality control and/or airworthiness of parts which do not pass through theTextron Lycoming quality control system.
SERVICE BULLETINS, INSTRUCTIONS AND LETTERS
Although the information contained in this parts catalog is up-to-date at time of publication, users are advisedto procure current information through all Textron Lycoming distributors or from the factory by subscription.Consult the latest edition of Service Letter No. L114 for subscription information.
HOW TO ORDER PARTS
In ordering parts for your engine, observe the following instructions which will expedite shipment of correctparts required without delay.
a. Always specify the model and serial number of your engine.
b. Always specify Part Number, Nomenclature and quantity required.
i
TEXTRON Lycoming
Williamsport Plant
SECTION
Introduction ....Table of ContentsOversize and Undersize Parts
1. CRANKCASE,Crankcase AsOil Level GageCrankcase Related PartsCrankshaft, CCrankshaft IdCrankcase Attaching Parts
2. ACCESSORY HOUSING ANDAccessory HoOil Pump AssFuel Pump AssemblyOil Filter AssemblyVacuum Pump Drive
3. CYLINDER, PConnecting Rods,Cylinder AsseValve AssemblyCylinder Rela
4. IGNITION SYMagneto, Magneto Drive
5. ELECTRICALAlternator AsStarter MotorAlternator Mounting
6. OIL SUMP ANDOil Sump AssIntake Pipe ACarburetor AssemblyPriming System
7. SERVICE KIT
8. NUMERICAL
Lycoming 0-290-D SERIES PARTS CATALOG
TABLE OF CONTENTS
PAGE
............................................................................. i
............................................................................. iiersize Parts ............................................................... iii
CRANKSHAFT AND CAMSHAFT GROUPsembly and Hydro Control ..................................................... 1-1e and Engine Mounting Hardware (Conical) ....................................... 1-3lated Parts .................................................................. 1-5amshaft and Related Parts ..................................................... 1-7Idler Gears and Tachometer Shaft .......................................... 1-9taching Parts ............... ......... ...... ................. ...... 1-11
HOUSING AND RELATED PARTSusing Assembly ................................. ................... ..... 2-1embly and Accessory Housing Attaching Parts .................................... 2-3ssembly ................................................................... 2-5Assembly and Oil Cooler Bypass Valve ..................... ........................ 2-6p Drive and Cover ............................................................ 2-7
'ISTON AND VALVE TRAINods, Pistons and Ring Assemblies ..................... .......................... 3-1m b ly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 -3
Assemblyly ........................................................ ................. 3-5ted P arts ................................................................... 3-7
STEMMagneto Drive and Spark Plugs ................................................... 4-1
COMPONENTSAssembly and B elt ............................................................. 5-1
and Attaching Parts ......................................................... 5-2Mounting and Attaching Parts ................................................... 5-3
AND INDUCTION SYSTEMembly and Oil Suction Screen ................................................... 6-1ssem b ly ........................... ........... ...... ........... ............ 6-3Assembly ......................... ............... ............... ............. 6-5m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 -7
SE C T IO N .................................................................. 7-1
IN D E X .................................................. ................. 8-1
ii
TEXTRON Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant
Oversize and Undersize Parts Listing
PART NO. DESCRIPTION OVERSIZE UNDERSIZE
61520
61533
61662
62916
66528
66529-S
66610
66796
67447
68338
68763
69373
69401
72057
72058
72067
76943-S
LW-11997
LW-13792
STD-1065
BEARING
BEARING
BEARING
RING
SEAT
GUIDE
BUSHING
INSERT
BEARING
RING
BEARING
BEARING
RING
SEAT
SEAT
BUSHING
GUIDE
SEAL
SEAL
DOWEL
P02 P05 P10 P15 P20 P30 P40 P50 M03 M06
.002 .005 .010 .015 .020 .030 .040 .050 .003 .006X X
X X
X X
M10
.010X
X
X
X X
X
OF SERVICE INSTRUCTION NO. 1256 FOR APPLICATION.SEE LATEST EDITIONX X
X
X X X
X
X
X
X
X
X
X X X
X X X
X
X X
X X
X X X X
SEE LATEST EDITION OF SERVICE INSTRUCTION NO. 1256 FOR APPLICATION.SEE LATEST EDITION OF SERVICE INSTRUCTION NO. 1324 FOR APPLICATION.
SEE LATEST EDITION OF SERVICE INSTRUCTION NO. 1324 FOR APPLICATION.X X X X
Studs available in P03, P07 and P12 oversize.
NOTE
When ordering oversize and undersize parts, be sure to specify the required oversize or undersize dimension along with the properpart number. For example: to order bearing 67447 in .003 undersize, order part number 67447-M3. Oversize code is "P" whileundersize code letter is "M". These letters are then followed by the numbers designating the size in thousandths of an inch.
iii
TEXTRON Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPCRANKCASE ASSEMBLY AND HYDRO CONTROL
FIG.REF.
1PART
NUMBER
0N QUANTITY PER ASSEMBLY
A
L1 LW-10070*
LW-10071*2 STD-5573 667344 50-155 38-136 69679
687517 31C-128 31C-139 1102
110210 6500711 STD-51412 STD-111113 STD-162314 61555**15 6153116 6158417 6158318 LW-1426019 6122720 STD-13121 STD-4322 STD-6823 61554* (**)24 STD-16025 STD-826 LW-25-0.94
DESCRIPTION
CRANKCASE ASSEMBLYCRANKCASE ASSEMBLY
DOWEL, 1/2 dia. x 11/16 long, hollowSTUD, 1/2-13 x 9-7/8 longSTUD, 1/2-13 x 1-7/8 longSTUD, 3/8-16 x 1-5/8 longSTUD, 9/16-18 x 10-21/32 longSTUD, 1/2-20 x 10-21/32 longSTUD, 5/16-18 x 1-1/2 ongSTUD, 5/16-18 x 1-5/8 longPLUG, 1/8-27 NPT, AllenPLUG, 1/8-27 NPT, AllenRETAINER, Shroud tube sealDOWEL, 5/16 dia. x 1/2 longELBOW, 3/4 pipe & hose, 900INSERT, 1/4-20 Helicoil x 3/8 long, notched
PLUG, Hydraulic valve holeGASKET, Hydraulic valveVALVE, HydraulicCOVER ASSY., Hydraulic valve
SEAL, OilLEVER, Hydraulic valveSCREW, 1/4-28 x 1.00 hex. hd.NUT, 1/4-28 slotted shearPIN, 1/16 x 1/2 long, cotterCOVER, Hydraulic valve hole plugWASHER, 1/4 lock, internal teethWASHER, 1/4 plainBOLT, 1/4-20 x 15/16 long, hex. hd.
248
16
1
2
1 1 1
2 2 221
46 6 68 8 8
21211
1 11 11 11 11 1
1 11222
* These parts are no longer available for purchase through Textron Lycoming.** When P/N 61584 valve is removed, P/N 61555 plug and P/N 61554 cover are installed.
1-1
12
TEXTRON Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant
1
Figure 1. CRANKCASE ASSEMBLY
1-2
TEXTRON Lycoming0-290-D SERIES PARTS CATALOGLycoming
Williamsport Plant CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPOIL LEVEL GAGE AND ENGINE MOUNTING HARDWARE (CONICAL)
FIG.REF.
2
0N QUANTITY PER ASSEMBLY
APARTNUMBER DESCRIPTION
1 740682 LW-147593 621234 710325 STD-619
RING, Oil level gage sealGAGE ASSY., Oil levelTUBE ASSY., Oil level gageBUSHING, Engine supportWASHER, 17/32 I.D. x 1-3/4 O.D. x 5/32 thick
L DL11188
D2 D2B D2C
1-3
5
TEXTRON LycomingLycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant
5
Figure 2. OIL LEVEL GAGE AND ENGINE MOUNTING HARDWARE (CONICAL)
1-4
TEXTRON Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPCRANKCASE RELATED PARTS
FIG.REF.
3
ON QUANTITY PER ASSEMBLY
PARTNUMBER DESCRIPTION
1 1028-B2 61084*
68668 *77467 *LW-11713*
3 STD-4254 STD-10455 765296 67447
687637 61533*8 61520*9 LW-13792**
LW-11997**10 7207511 7209112 71105
72877
BALL, 11/16 diameterSPRING, Oil pressure relief valveSPRING, Oil pressure relief valveSPRING, Oil pressure relief valveSPRING, Oil pressure relief valveWASHER, No. 10 plain (max. 9)GASKET, 1-1/4 I.D. x 1-1/2 O.D. x 3/32 annularPLUG, Oil relief valveBEARING, CrankshaftBEARING, Crankshaft (alternate)BEARING, Crankshaft, right frontBEARING, Crankshaft, left frontSEAL, Crankshaft oil, solidSEAL, Crankshaft oil, splitSEAL, Oil, 3/32 section x 15/32 I.D.RING, Oil seal, 23/64 I.D. x 7/64 dia.TAPPET, ValveBODY, Hydraulic tappet
ALL11111
AR1188111162
D D2 D2B D2C
88 8 8
* Select spring to give a minimum of three threads exposed on adjusting screw to allow field adjustment. Reference latest revision of SSP-1776,Part 1 for spring identification.
** Refer to the latest edition of Textron Lycoming Service Instruction No. 1324 for installation.* Replace two P/N 67447, or P/N 68763 (alternate), crankshaft bearings with one P/N 61533 (right) and one P/N 61520 (left) bearing at front main
when hydro control propeller is used.
Revised September, 1988 1-5
TEXTRON LycomingWilliamsport Plant
O-290-D SERIES PARTS CATALOG
10
12
P/N 72877Hydraulic Tappet Body
4
5
Figure 3. CRANKCASE RELATED PARTS
1-6 Revised September, 1988
TEXTRON Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPCRANKSHAFT, CAMSHAFT AND RELATED PARTS
FIG.REF.
4
QUANTITY PER ASSEMBLYN QUANTITY PER ASSEMBLY
PARTNUMBER DESCRIPTION
1 62531*2 STD-12113 STD-10654 720675 615106 13S19646‡7 LW-186398 STD-22139 69340* *
75312*10 60882**
72566*11 61253* (•)12 STD-121413 4568814 STD-3315 STD-119816 75706
76094
CRANKSHAFT ASSEMBLYPLUG, 2.00 dia. expansionDOWEL, Stepped, 19/64-1/4 dia. x 35/64 longBUSHING, Propeller flangePLUG, 1-3/4 O.D.
GEAR, CrankshaftLOCKPLATE, Crankshaft gearSCREW, 5/16-24 x 1.00 longSUPPORT ASSY., Starter ring gear, 10/12 pitchSUPPORT ASSY., Starter ring gear, 12/14 pitch
GEAR, Starter ring, 10/12 pitchGEAR, Starter ring, 12/14 pitch
SPACER, Propeller hubSCREW, No. 10-32 x 3/8 longFLANGE, PropellerWASHER, 3/8 plainBOLT, 3/8-24 x 4-7/16 long, hex. hd., dr. hd.CAMSHAFTCAMSHAFT
ALL11161111
D D2 D2B D2C
1 11 11 11 11 1
1111
1
1
2166
11 1 1
* These parts are no longer available for purchase through Textron Lycoming.** Used with P/N 76210 or P/N 69953 starter.* Used with P/N LW-15571 starter.• Required when no starter ring gear support assembly is used.‡ See latest edition of Textron Lycoming Service Bulletin No. 475 for correct installation.
1-7
1
TEXTRON LycomingWilliamsport Plant
0-290-D SERIES PARTS CATALOG
4-
10
1!
2
11
Figure 4. CRANKSHAFT, CAMSHAFT AND RELATED PARTS
1-8
TEXTRON Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPCRANKSHAFT IDLER GEARS AND TACHOMETER SHAFT
FIG.REF.
5PART
NUMBER
ON
ALL
QUANTITY PER ASSEMBLY
D D2 D2B D2CDESCRIPTION
1 61544*2 74996*
74996* *3 77309*
77309**4 75072*5 77309*6 757087 LW-186678 455309 61151
10 7381711 LW-25-0.63
PLUNGER, Fuel pump, longGEAR ASSY., Crankshaft idler, plainGEAR ASSY., Crankshaft idler, plain
BUSHING, Crankshaft idler gearBUSHING, Crankshaft idler gear
GEAR ASSY., Crankshaft idlerBUSHING, Crankshaft idler gear
SHAFT ASSY., TachometerPIN, 3/16 dia. x 2-21/64 long
RING, Oil pump shaft retainingSHAFT, Crankshaft idler gearLOCKPLATE, 5/16 bolt, 1-3/4 spacingBOLT, 1/4-20 NC-3 x 5/8 long, hex. hd.
1 1 1 11 1 1 12 2 2 21 1 1 12 2 2 21 1 1 11 1 1 1
111224
* Diaphragm fuel pump drive.** AN fuel pump drive.
1-9
TEXTRON LycomingWilliamsport Plant
5
0-290-D SERIES PARTS CATALOG
Figure 5. CRANKSHAFT IDLER GEARS AND TACHOMETER SHAFT
1-10
TEXTRON Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPCRANKCASE ATTACHING PARTS
FIG.REF.
6PART
NUMBER DESCRIPTION
1 LW-25-1.502 STD-83 608034 LW-25-1.755 STD-1606 STD-14117 LW-25S1.508 STD-89 STD-1409
10 AN6-2111 STD-3312 STD-87213 AN6-34A14 STD-3315 STD-67816 STD-59617 LW-25-1.5018 LW-25-1.1319 STD-820 STD-16021 STD-1411
BOLT, 1/4-20 x 1-1/2 long, hex. hd.WASHER, 1/4 plainSTRAP, 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., dr. endWASHER, 1/4 plain (max. 9)NUT, 1/4-20 slotted shearBOLT, 3/8-24 x 2-13/64 long, hex. hd.WASHER, 3/8 plainNUT, 3/8-24 slottedBOLT, 3/8-24 x 3-37/64 long, hex. hd.WASHER, 3/8 plainWASHER, 3/8 lock, internal teethNUT, 3/8-24 plainBOLT, 1/4-20 x 1-1/2 long, hex. hd.BOLT, 1/4-20 x 1-1/8 long, hex. hd.WASHER, 1/4 plainWASHER, 1/4 lock, internal teethNUT, 1/4-20 plain
ONALL8
1611993
AR31212422
D
QUANTITY PER ASSEMBLY
D2 D2B D2C
1 1 12 2 24 4 43 3 31 1 1
1-11
13 14,15,16--
TEXTRON LycomingWilliamsport Plant
0-290-D SERIES PARTS CATALOG
3-
13,14,15,16-
Figure 6. CRANKCASE ATTACHING PARTS
1-12
TEXTRON Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant ACCESSORY HOUSING AND RELATED PARTSACCESSORY HOUSING ASSEMBLY
FIG.REF.
7
ON QUANTITY PER ASSEMBLY
PARTNUMBER DESCRIPTION
ALL1
D D2 D2B D2C
1 738182 68786*
68788**68790*6879271160‡72496
3 31C-1231C-12*31C-12 *31C-12*31C-12•
4 31C-19*31C-19**31C-19*31C-19•31C-19‡
5 25C-2225C-22*25C-22•25C-22‡
6 31CD-177 STD-784
STD-784 *STD-784•STD-784‡
8 11029 61175
10 STD-78311 61400
GASKET, Accessory housingHOUSING ASSY., AccessoryHOUSING ASSY., AccessoryHOUSING ASSY., AccessoryHOUSING ASSY., AccessoryHOUSING ASSY., AccessoryHOUSING ASSY., Accessory
STUD, 5/16-18 x 1-1/2 longSTUD, 5/16-18 x 1-1/2 longSTUD, 5/16-18 x 1-1/2 longSTUD, 5/16-18 x 1-1/2 longSTUD, 5/16-18 x 1-1/2 longSTUD, 5/16-18 x 2-3/8 longSTUD, 5/16-18 x 2-3/8 longSTUD, 5/16-18 x 2-3/8 longSTUD, 5/16-18 x2-3/8 longSTUD, 5/16-18 x 2-3/8 longSTUD, 1/4-20 x 2-3/4 longSTUD, 1/4-20 x 2-3/4 longSTUD, 1/4-20 x 2-3/4 longSTUD, 1/4-20 x 2-3/4 longSTUD, 5/16-18 x 2-1/8 long, drilledPLUG, 3/8-18 NPT, AllenPLUG, 3/8-18 NPT, AllenPLUG, 3/8-18 NPT, AllenPLUG, 3/8-18 NPT, AllenPLUG, 1/8-27 NPT, AllenADAPTER, TachometerPLUG, 1/4-18 NPT, AllenSTUD, 1/4-20 x 1-3/16 long
1 1 11 1 11 1 11 1 1
112
2 2 22 2 22 2 22 2 22 2 22 2 22 2 22 2 2
44
4 4 44 4 4
43
11 1 11 1 1
12112
* This accessory housing assembly has the oil cooler line adapter cast as an integral part of the housing but is not machined for fuel,hydraulic or vacuum pump drives.
* *This accessory housing assembly has the oil cooler line adapter cast as an integral part of the housing and is machined for a diaphragmtype fuel pump only.
*This accessory housing assembly has the oil cooler line adapter cast as an integral part of the housing and is machined for a vacuum pumpdrive only.
• This accessory housing assembly has the oil cooler line adapter cast as an integral part of the housing and is machined for a diaphragmtype fuel pump and vacuum pump drive.
‡ This accessory housing assembly is machined for vacuum and fuel pump drives and is studded to receive two (2) 35° lag impulsemagnetos.
2-1
4
TEXTRON Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant
-1
IP/N 71160 ONLY
P/N 68786P/N 68788P/N 68790P/N 68792P/N 72496
Figure 7. ACCESSORY HOUSING ASSEMBLY
2-2
TEXTRON Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant ACCESSORY HOUSING AND RELATED PARTSOIL PUMP ASSEMBLY AND ACCESSORY HOUSING ATTACHING PARTS
FIG.REF.
8PART
NUMBER DESCRIPTION
1 785312 05K19423-S *3 611744 STD-355 STD-14206 LW-142607 STD-88 STD-1609 LW-25-0.94
10 LW-25-1.50
BODY, Oil pumpOIL PUMP IMPELLER KITSHAFT, Oil pump driveWASHER, 5/16 plainNUT, 5/16-18 slottedSEAL, Tachometer drive, oilWASHER, 1/4 plainWASHER, 1/4 lock, internal teethBOLT, 1/4-20 x 15/16 long, hex. hd.BOLT, 1/4-20 x 1-1/2 long, hex. hd.
0
ALL111331
1212102
QUANTITY PER ASSEMBLY
D D2 D2B D2C
* To insure that new impellers are used together, they must be purchased in this kit.
2-3
6
Williamsport Plant
0-290-D SERIES PARTS CATALOG
8,9
-7 8,10
8.9
Figure 8. OIL PUMP ASSEMBLY AND ACCESSORY HOUSING ATTACHING PARTS
2-4
4
TEXTRON Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant ACCESSORY HOUSING AND RELATED PARTSFUEL PUMP ASSEMBLY
FIG.REF.
9PART
NUMBER DESCRIPTION
ON
ALL1
QUANTITY PER ASSEMBLY
D D2 D2B D2C
1 600962 LW-154723 650984 STD-335 STD-6786 STD-18827 LW-38-0.75
GASKET, Fuel pumpFUEL PUMP, (6441271) Low pressure, dual diaphragmCOVER, Fuel pumpWASHER, 3/8 plainWASHER, LockSCREW, 3/8-16 x 1-9/32 long, socket hd., dr. hd.BOLT, 3/8-16 x 3/4 long, hex. hd.
1 11 1
11
22 22 22 2
22
2
5-
2
45
6-
Figure 9. FUEL PUMP ASSEMBLY
2-5
* For use with 5/8-18 threaded thermostatic connection.
7
TEXTRON Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant ACCESSORY HOUSING AND RELATED PARTSOIL FILTER ASSEMBLY AND OIL COOLER BYPASS VALVE
FIG.REF.
10
0N QUANTITY PER ASSEMBLY
APARTNUMBER DESCRIPTION
D2 D2B D2C
1 694362 624153 STD-2944 624175 628176 611737 62815*
689748 STD-2949 STD-8
10 STD-1856
SPRING, Oil cooler bypassPLUNGER, Oil cooler bypassGASKET, 7/8 O.D. x 5/8 I.D. x 3/32 annularPLUG, Oil cooler bypassSCREEN ASSY., Oil pressureGASKET, Oil pressure housingHOUSING, Oil pressure screenHOUSING, Oil pressure screenGASKET, 7/8 O.D. x 5/8 I.D. x 3/32 annularWASHER, 1/4 plainSCREW, 1/4-20 x 1.00 long, hex. hd., slotted
L111111
1 11 1 1 1
144
-1
Figure 10. OIL FILTER ASSEMBLY AND OIL COOLER BYPASS VALVE
2-6
TEXTRON Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant ACCESSORY HOUSING AND RELATED PARTSVACUUM PUMP DRIVE AND COVER
FIG.REF.11
PARTNUMBER DESCRIPTION
1 611832 610983 STD-17744 STD-22175 729706 715967 83138 604309 68593
10 STD-811 STD-16012 STD-1411
GASKET, Accessory adapterADAPTER ASSY., Vacuum pump
PIN, 1/8 dia. x 1/4 longOIL SEAL, 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 pumpSPACER, Vacuum pump studWASHER, 1/4 plainWASHER, 1/4 lock, internal teethNUT, 1/4-20 plain
0NN
ALL11111111
QUANTITY PER ASSEMBLY
D D2 D2B D2C
4 4444
2-7
LycomingWilliamsport Plant
6
0-290-D SERIES PARTS CATALOG
4
Figure 11. VACUUM PUMP DRIVE AND COVER
2-8
TEXTRON Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant CYLINDER, PISTON AND VALVE TRAINCONNECTING RODS, PISTONS AND RING ASSEMBLIES
FIG.REF.12
QUANTITY PER ASSEMBLYN QUANTITY PER ASSEMBLYPART
NUMBER DESCRIPTION
1 78030-S2 LW-139233 780274 LW-121865 61662
693736 69958
6984170396
7 604038 60311*
72434* *9 62916*
LW-13883•10 69401*
68338•
CONNECTING ROD ASSEMBLYBUSHING, Connecting rod, upperBOLT, Connecting rodNUT, Connecting rod
BEARING, Connecting rodBEARING, Connecting rod (alternate)PISTON, Compression ratio 6.5:1PISTON, Compression ratio 7.5:1PISTON, Compression ratio 7.0:1PIN, PistonPLUG, PistonPLUG, PistonRING, Piston top compressionRING, Piston, top and 2nd compressionRING, Piston, oil regulatingRING, Piston, oil regulating
ALL448888
D D2 D2B D2C
44
4 48 88 88 88 84 44 4
448888
448
8
4 4
* Used in unplated barrels only.* * Used in chrome barrels only.
* Chrome.• Plain.
NOTE
Do not under any circumstances assemble chrome plated piston rings in a chrome plated cylinder barrel.Chrome plated cylinders are identified by an orange band around the base of the cylinder barrel or orange painton the cylinder fins between the push rods.
3-1
TEXTRON LycomingWilliamsport Plant
0-290-D SERIES PARTS CATALOG
Figure 12. CONNECTING RODS, PISTONS AND RING ASSEMBLIES
3-2
TEXTRION Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant CYLINDER, PISTON AND VALVE TRAINCYLINDER ASSEMBLY
ON QUANTITY PER ASSEMBLYFIG.
REF.13
PARTNUMBER DESCRIPTION
ALL
D D2 D2B D2C
1 71831* (**)71832* (**)71837* (*)71838* (*)
2 66528**72057*
3 720584 76943-S•5 66529-S•6 667967 31C-128 STD-7009 66610
10 LW-1929811 1102‡12 LW-1929613 61259*14 STD-3515 STD-47516 STD-1410
CYLINDER & HEAD ASSY., PlainCYLINDER & HEAD ASSY., ChromeCYLINDER & HEAD ASSY., PlainCYLINDER & HEAD ASSY., Chrome
SEAT, Intake valveSEAT, Intake valveSEAT, Exhaust valveGUIDE, Valve intake, grooved (flangeless)GUIDE, Valve exhaust, grooved (flangeless)INSERT, Sparkplug, 18-1.5MMSTUD, 5/16-18 x 1-1/2 longELBOW, 3/8 flared tube coupling, 90°
BUSHING, Rocker shaftRING, Guide retainingPLUG, 1/8-27 NPT, AllenGASKET, Exhaust flangeFLANGE, Exhaust, stainlessWASHER, 5/16 plainWASHER, 5/16 lock, internal teethNUT, 5/16-18 plain
44
4 44 4
4
44 4 4
444884
168
4 4 44
4888
* These parts are no longer available for purchase through Textron Lycoming.
** Used with 6.50:1 compression pistons.
* Used with 7.00:1 or 7.50:1 compression pistons.
• Item No. 10 valve guide ring P/N LW-19298 must be ordered separately when ordering this part. Refer to latest edition of Textron Lycom-ing Service Instruction No. 1256.
‡ Assemble in cylinder heads if no priming lines are installed.
3-3
TEXTRON Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant CYLINDER, PISTON AND VALVE TRAINVALVE ASSEMBLY
FIG.REF.14
PARTNUMBER
ON
ALL
QUANTITY PER ASSEMBLY
DESCRIPTIOND D2 D2B D2C
1 66429*73938 *
2 616313 LW-133234 LW-117955 LW-118006 LW-100777 600098 78290**9 78524**
10 LW-1866111 65006
VALVE, IntakeVALVE, IntakeVALVE, ExhaustSEAT, Valve spring, lowerSPRING, Valve, auxiliarySPRING, Valve, outerSEAT, Valve springKEY, ValvePLUNGER ASSY., Hydraulic tappetSOCKET, Push rod, hyd. tappetSEAL, Shroud tubeTUBE, Push rod shroud
4 44 4 4
48888
168 8 88 8 8
168
* Used on engines employing solid tappets.** Used on engines employing hydraulic tappets.
3-5
Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant CYLINDER, PISTON AND VALVE TRAINCYLINDER RELATED PARTS
FIG.REF.15
N QUANTITY PER ASSEMBLYPART
NUMBER DESCRIPTION ALL4
1616
D D2 D2B D2C1 714812 STD-20903 383-B4 62156*
73411*73412*73413*73414*
5 6083168519
6 603987 LW-137908 LW-128929 60025
10 STD-58711 7590612 6124713 STD-192514 STD-68415 STD-218016 LW-15592-5-0517 6089018 6082119 60928
RING, Oil seal, 3/32 dia. x 4-27/32 I.D.NUT, 1/2-20 plainNUT, 3/8-24 plainROD ASSY., Push (a total of 8 required)ROD ASSY., Push (a total of 8 required)ROD ASSY., Push (a total of 8 required)ROD ASSY., Push (a total of 8 required)ROD ASSY., Push (a total of 8 required)ROCKER ASSY., ValveROCKER ASSY., Valve
BUSHING, Valve rockerSHAFT, Valve rockerTHRUST BUTTON, Rocker shaftSCREW, Valve adjustingNUT, 9/16-18 x 5/32 thickGASKET, Rocker boxCOVER, Rocker boxSCREW, 1/4-20 x 5/8 long, pan. hd., self-lockingNIPPLE, Straight, 3/8 I.D. hoseHOSE, 3/8 I.D. x 1-13/16 longCLAMPTUBE 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
ARAR AR ARAR AR ARAR AR ARAR AR AR
88 8 8
848
88
44
24448112
* See latest edition of Textron Lycoming Service Instruction No. 1060 for complete push rod application.
3-7
TEXTRON LycomingWilliamsport Plant
0-290-D SERIES PARTS CATALOG
11
13
Figure 15. CYLINDER RELATED PARTS
3-8
Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant IGNITION SYSTEMMAGNETO, MAGNETO DRIVE AND SPARK PLUGS
FIG.REF.
16
O QUANTITY PER ASSEMBLYN
PARTNUMBER DESCRIPTION A
LL
D D2 D2B D2C
1 616652 68C196223 611634 622245 LW-127066 LW-51360-29
LW-51360-37LW-163045-3LW-163005-2
7 STD-17278 STD-4759 STD-1410
10 1182-B3*1182-F3*1182-V4*
11 LW-52305-1LW-157209
12 LW-157208
GEAR, Magneto, impulse couplingGEAR, Magneto, retard breakerGEAR, MagnetoGASKET, Magneto adapter & magnetoADAPTER, Magneto, impulse couplingMAGNETO, S4LN-20MAGNETO, Impulse coupling, S4LN-21MAGNETO, S4LN-204MAGNETO, Retard breaker, S4LN-200WASHER, Plain, 3/4 O.D. x 21/64 I.D. x 1/8 thickWASHER, 5/16 lock, internal teethNUT, 5/16-18 plainSPARK PLUG, Champion (REM-40E)SPARK PLUG, SL Auburn (SR-88)SPARK PLUG, Auto Lite (SH-15R)KIT ASSY., Magneto ground terminalKIT, Magneto ground terminalKIT, Magneto retard terminal
1 1 11
13 3 31 1 11 1 11 1 1
2
11
444888
2 2 221
* See latest edition of Textron Lycoming Service Instruction No. 1042 for complete listing of all approved spark plugs.
Revised May, 1991 4-1
9
7-
LycomingWilliamsport Plant
0-290-D SERIES PARTS CATALOG
5
6
Figure 16. MAGNETO, MAGNETO DRIVE AND SPARK PLUGS
4-2
Lycoming O-290-D SERIES PARTS CATALOG
Williamsport Plant ELECTRICAL COMPONENTSALTERNATOR ASSEMBLY AND BELT
FIG.REF.
17PART
NUMBER DESCRIPTION
ONALL1111
QUANTITY PER ASSEMBLY
D D2 D2B D2C
1 LW-143712 LW-143133 36B194844 76026
ALTERNATOR ASSY., 12 volt, 60 amp. PrestoliteALTERNATOR, (ALY-8420-LS)PULLEY, Alternator
BELT, Alternator drive
NOTE
See latest edition of Textron Lycoming Service Instruction No. 1154 for completestarters, generators, alternators, regulators and relays.
listing of FAA approved
Figure 17. ALTERNATOR ASSEMBLY AND BELT
5-1
Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant ELECTRICAL COMPONENTSSTARTER MOTOR AND ATTACHING PARTS
OQUANTITY PER ASSEMBLYFIG.
REF.18
PARTNUMBER DESCRIPTION
ALL
D D2 D2B D2C
1 76210
LW-15571
69953
2 STD-353 STD-4754 LW-31-1.165 STD-14106 LW-12083
STARTER, 12 volt (no reduction, 10/12 pitch pinion)(MZ-4204)
STARTER, 12 volt (3.38:1 internal reduction, 12/14pitch pinion) (MZ-4222)
STARTER, 24 volt (no reduction, 10/12 pitch pinion)(1109669)
WASHER, 5/16 plainWASHER, 5/16 lock, internal teethBOLT, 5/16-18 x 1-5/32 long, hex. hd.NUT, 5/16-18 plainSWITCH, Magnetic (SAZ-4201E-1)
1 1 1
1 1 1
1 1 144131
NOTE
See latest edition of Textron Lycoming Service Instruction No. 1154 for complete listing of FAA approvedstarters, generators, alternators, regulators and relays.
Figure 18. STARTER MOTOR AND ATTACHING PARTS
5-2
Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant ELECTRICAL COMPONENTSALTERNATOR MOUNTING AND ATTACHING PARTS
FIG.REF.
19
ON QUANTITY PER ASSEMBLY
PARTNUMBER DESCRIPTION
1 781582 STD-83 STD-1604 LW-25-1.755 LW-25-1.256 STD-14117 753808 STD-359 LW-31H0.75
10 STD-172711 LW-31H0.7512 STD-69013 AN6-1414 STD-69015 STD-87216 STD-71317 AN6-1318 7653419 STD-69020 STD-87221 STD-71322 7432323 LW-31H0.75
BRACKET, AlternatorWASHER, 1/4 plainWASHER, 1/4 lock, internal teethBOLT, 1/4-20 x 1-3/4 long, hex. hd.BOLT, 1/4-20 x 1-1/4 long, hex. hd.NUT, 1/4-20 plainLINK, Alternator adjustingWASHER, 5/16 plainBOLT, 5/16-18 x 3/4 long, hex. hd.WASHER, 3/4 O.D. x 11/32 I.D. x 1/8 thickBOLT, 5/16-18 x 3/4 long, hex. hd.WASHER, 13/16 O.D. x 25/64 I.D. x 1/16 thickBOLT, 3/8-24 x 1-37/64 long, hex. hd., dr. 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 longBOLT, 3/8-24 x 1-29/64 long, hex. hd., dr. endSHIM, 1-1/8 O.D. x 13/32 I.D. x .005 thickWASHER, 13/16 O.D. x 25/64 I.D. x 1/16 thickNUT, 3/8-24 slottedPIN, Cotter, 3/32 dia. x 3/4 longSTRUT, Alternator supportBOLT, 5/16-18 x 3/4 long, hex. hd.
ALL1131211111111
AR111
ARAR
1111
D D2 D2B D2C
5-3
LycomingWilliamsport Plant
0-290-D SERIES PARTS CATALOG
Figure 19. ALTERNATOR MOUNTING AND ATTACHING PARTS
5-4
Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant OIL SUMP AND INDUCTION SYSTEMOIL SUMP ASSEMBLY AND OIL SUCTION SCREEN
FIG.REF.20
PARTNUMBER DESCRIPTION
1 LW-133532 LW-156883 613764 613775 25C-126 STD-5517 STD-88 STD-1609 LW-25-0.94
10 STD-141111 6082012 6138113 STD-122714 STD-143315 STD-816 STD-140917 STD-6818 6137819 STD-104520 61358
GASKET, Oil sumpSUMP ASSY., Oil
CONNECTION, Intake pipe, frontCONNECTION, Intake pipe, rearSTUD, 1/4-20 x 1-1/2 long
PLUG, 1/2-14 NPT, sq. hd., drilledWASHER, 1/4 plainWASHER, 1/4 lock, internal teethBOLT, 1/4-20 x 15/16 long, hex. hd.NUT, 1/4-20 plainGASKET, Oil suction tube flangeTUBE ASSY., Oil suctionWASHER, 1/4 plainBOLT, 1/4-20 x 1-1/2 long, hex. hd., drilledWASHER, 1/4 plain (max. 4)NUT, 1/4-20 slotted shearPIN, 1/16 dia. x 1/2 long, cotterSCREEN, Oil suctionGASKET, 1/8 I.D. 1-1/2 O.D. x 3/32 annularPLUG, 5/32 hex. hd. x 1-1/4-12 thd.
0
ALL112241
32201814
1122
AR22111
D
QUANTITY PER ASSEMBLY
D2 D2B D2C
6-1
TEXTRON LycomingWilliamsport Plant
0-290-D SERIES PARTS CATALOG
3
Figure 20. OIL SUMP ASSEMBLY AND OIL SUCTION SCREEN
6-2
TEXTRON Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant OIL SUMP AND INDUCTION SYSTEMINTAKE PIPE ASSEMBLY
FIG.REF.21
0N QUANTITY PER ASSEMBLY
APARTNUMBER DESCRIPTION
1 LW-167282 LW-167303 LW-167294 STD-11965 LW-15592-8-246 719737 733468 STD-89 STD-160
10 LW-25-1.25
PIPE, Intake, cylinders no. 1 & 2PIPE, Intake, cylinder no. 3PIPE, Intake, cylinder no. 4HOSE, 1-1/2 I.D. x 1-7/8 O.D. x 1-1/2 longCLAMP, Hose, 1-3/4 I.D. x 9/16 wideGASKET, 2 bolt flange, 1-3/4 I.D.FLANGE, Intake pipe, upperWASHER, 1/4 plainWASHER, 1/4 lock, internal teethBOLT, 1/4-20 x 1-1/4 long, hex. hd.
LL2114844888
D D2 D2B D2C
6-3
TEXTRON Lycomlng 0-290-D SERIES PARTS CATALOG
Williamsport Plant
1
3
8
5
4
5
Figure 21. INTAKE PIPE ASSEMBLY
6-4
TEXTRON Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant OIL SUMP AND INDUCTION SYSTEMCARBURETOR ASSEMBLY
FIG.REF.22
PARTNUMBER DESCRIPTION
0NALL1
QUANTITY PER ASSEMBLY
D D2 D2B D2C
1 605922 62289*
62830*3 STD-84 STD-1605 STD-1411
GASKET, CarburetorCARBURETOR, Marvel-Schebler MA-3SPA (10-3346-1)CARBURETOR, Marvel-Schebler MA-3SPA (10-3565-1)WASHER, 1/4 plainWASHER, 1/4 lock, internal teethNUT, 1/4-20 plain
11 1 1
444
* These parts are no longer available for purchase through Textron Lycoming.
6-5
TEXTRON Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant OIL SUMP AND INDUCTION SYSTEMPRIMING SYSTEM
FIG.REF.23
0N QUANTITY PER ASSEMBLYAPART
NUMBER DESCRIPTION LL
1 LW-12098-0-1702 LW-12098-0-1203 LW-12098-0-1004 LW-16266-25-135 LW-18959-150-256 STD-5537 AN365-632A8 STD-8539 74225
TUBE ASSY., Primer, cyls. 1 & 2TUBE ASSY., Primer, cyls. 3 & 4TUBE ASSY., Primer, IntermediateCLIP, 3/16 I.D. for 1/4 dia. screw, cushion typeCLAMP, 1-1/2 I.D. with 1/4 dia. offsetSCREW, No. 6-32 x 1/2 long, rd. hd.NUT, No. 6-32 self-lockingTEE, Union, 1/8 tubeNIPPLE ASSY., Primer
D D2 D2B D2C
2 2 22 2 22 2 24 4 44 4 44 4 44 4 43 3 34 4 4
6-7
Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport PlantSERVICE KIT SECTION
SEAL AND GASKET SET
Part No. Part Name Qty.
69371-1MS29512-606E19769-1.00STD-2217STD-213STD-294STD-548STD-1006STD-1045STD-20721691-C831360096605926082061173611836153162224LW-19296662246831569164693456955169720698277031070455714817197372053720597207572078720917231272829733837381773818740657406874524759067651076940LW-12272LW-12681LW-12795LW-13353LW-13792LW-14260LW-14995LW-18639LW-18661
SEAL AND GASKET SETSEALGASKETSEAL, OilSEALGASKET, AnnularSEAL, OilRING, Oil sealGASKET, Annular"0" RINGGASKETGASKET, Vacuum pumpGASKET, Fuel pumpGASKET, CarburetorGASKET, Oil suction tube flangeGASKET, Oil pressure housingGASKET, Accessory adapterGASKET, Hydraulic valveGASKET, Magneto adapterGASKET, Exhaust flangeGASKET, CarburetorGASKET, Accessory drive adapterGASKETSPACERGASKET, Accessory pad coverGASKET, Dual accessory drive coverGASKET, Governor spacerSEAL, Shroud tubeGASKETRING, Oil sealGASKET, Intake flangeGASKET, Governor driveGASKETSEAL, OilLOCKPLATE, Cam gearRING, Oil sealRING, Oil sealLOCKPLATELOCKPLATELOCKPLATE, Crankshaft idler gear shaftGASKET, Accessory housingRING, Oil level gage sealRING, Oil level gage sealRING, Oil sealGASKET, Rocker box coverGASKETSEAL, Crankshaft oilLOCKPLATE, Shroud tubeGASKET, MagnetoGASKETGASKET, Oil sumpSEAL, Crankshaft oilSEAL, Tachometer shaftSPRINGLOCKPLATE, Crankshaft gearSEAL, Shroud tube
1111121121121111114421141118144216221122111141142111141
16
7-1
Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant
SERVICE KIT SECTION
CYLINDER, PISTON AND RING ASSEMBLY
Part No. Part Name Qty.
69543* CYLINDER, PISTON AND RING ASSEMBLY 171838* CYLINDER AND HEAD ASSEMBLY 173938 VALVE, Intake 166531 VALVE, Exhaust 165441 SEAT, Valve spring, lower 265567* SPRING, Valve auxiliary 265427* SPRING, Valve outer 268327* SEAT, Valve spring 260009 KEY, Valve 41102 PLUG, 1/8 pipe x 3/8 long, socket 168519 ROCKER ASSY., Valve 271481 SEAL, Cylinder base oil 160053* SEAL, Shroud tube 460401* SHAFT, Valve rocker 175906 GASKET, Rocker box cover 161247 COVER, Rocker box 1STD-1925 SCREW, 1/4-20 x 5/8 long, fill. hd. 669841 PISTON 160403 PIN, Piston 172434 PLUG, Piston pin 271555* RING, Top & 2nd compression 268338 RING, Oil regulating, expander type 1
* These parts are no longer available for purchase through Textron Lycoming.
7-2
LycomingWilliamsport Plant
0-290-D SERIES PARTS CATALOG
SERVICE KIT SECTION
CYLINDER, PISTON AND RING ASSEMBLY
Part No. Part Name Qty.
69674*71837*73938665316544165567*65427*68327*6000911026851960401*7590661247STD-192569841604037148160053*603116291669401
CYLINDER, PISTON AND RING ASSEMBLYCYLINDER AND HEAD ASSEMBLYVALVE, IntakeVALVE, ExhaustSEAT, Valve spring lowerSPRING, Valve auxiliarySPRING, Valve outerSEAT, Valve springKEY, ValvePLUG, 1/8 pipe x 3/8 long, socketROCKER ASSY., ValveSHAFT, Valve rockerGASKET, Rocker box coverCOVER, Rocker boxSCREW, 1/4-20 x 5/8 long, fill. hd.PISTONPIN, PistonSEAL, Cylinder base oilSEAL, Shroud tubePLUG, Piston pinRING, Top compressionRING, Piston, oil regulating, expander type
1111222241211161114221
* These parts are no longer available for purchase through Textron Lycoming.
7-3
TEXTRON Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant
SERVICE KIT SECTION
CYLINDER, PISTON AND RING ASSEMBLY
Part No. Part Name Qty.
71199* CYLINDER, PISTON AND RING ASSEMBLY 171837* CYLINDER AND HEAD ASSEMBLY 173938 VALVE, Intake 166531 VALVE, Exhaust 165441 SEAT, Valve spring lower 265567* SPRING, Valve auxiliary 265427* SPRING, Valve outer 268327* SEAT, Valve spring 260009 KEY, Valve 41102 PLUG, 1/8 pipe x 3/8 long, socket 168519 ROCKER ASSY., Valve 260401* SHAFT, Valve rocker 175906 GASKET, Rocker box cover 161247 COVER, Rocker box 1STD-1925 SCREW, 1/4-20 x 5/8 long, fill. hd. 670396 PISTON 160403 PIN, Piston 171481 SEAL, Cylinder base oil 160053* SEAL, Shroud tube 460311 PLUG, Piston pin 262916 RING, Top compression 168115 RING, 2nd compression 168338 RING, Oil regulating, expander type 1
* These parts are no longer available for purchase through Textron Lycoming.
7-4
Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant
SERVICE KIT SECTION
CYLINDER, PISTON AND RING ASSEMBLY
Part No. Part Name Qty.
71984* CYLINDER, PISTON AND RING ASSEMBLY 171831* CYLINDER AND HEAD ASSEMBLY 1STD-587 NUT 2STD-1925 SCREW, 1/4-20 x 5/8 long, fill. hd. 61102 PLUG, 1/8 pipe x 3/8 long, socket 160009 KEY, Valve 460025 SCREW, Valve adjusting 260311 PLUG, Piston pin 260401* SHAFT, Valve rocker 160403 PIN, Piston 160831 ROCKER ASSY., Valve 275906 GASKET, Rocker box cover 161247 COVER, Rocker box 162916 RING, Piston top compression 265427* SPRING, Valve, outer 271481 SEAL, Cylinder base oil 160053* SEAL, Shroud tube 465441 SEAT, Valve spring, lower 265567* SPRING, Valve, auxiliary 266429 VALVE, Intake 166531 VALVE, Exhaust 168327* SEAT, Valve spring 269401 RING, Piston, oil regulating 169958 PISTON 1
* These parts are no longer available for purchase through Textron Lycoming.
7-5
Williamsport Plant
Part N
7198571832STD-5STD-1110260009600257243460401'604036083175906612476542765441714816005365567664296653171555683276833869958
* These
Lycoming 0-290-D SERIES PARTS CATALOG
SERVICE KIT SECTION
CYLINDER, PISTON AND RING ASSEMBLY
No. Part Name Qty.
* CYLINDER, PISTON AND RING ASSEMBLY 1* CYLINDER AND HEAD ASSEMBLY 187 NUT 2925 SCREW, 1/4-20 x 5/8 long, fill. hd. 6
PLUG, 1/8 pipe x 3/8 long, socket 1KEY, Valve 4SCREW, Valve adjusting 2PLUG, Piston pin 2SHAFT, Valve rocker 1PIN, Piston 1ROCKER ASSY., Valve 2GASKET, Rocker box cover 1COVER, Rocker box 1SPRING, Valve, outer 2SEAT, Valve spring, lower 2SEAL, Cylinder base oil 1
* SEAL, Shroud tube 4SPRING, Valve, auxiliary 2VALVE, Intake 1VALVE, Exhaust 1
* RING, Piston compression 2* SEAT, Valve spring 2
RING, Piston, oil regulating, expander type 1PISTON 1
These parts are no longer available for purchase through Textron Lycoming.
7-6
Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport Plant
SERVICE KIT SECTION
CYLINDER, PISTON AND RING ASSEMBLY
Part No. Part Name Qty.
75326* CYLINDER, PISTON AND RING ASSEMBLY 171838* CYLINDER AND HEAD ASSEMBLY 173938 VALVE, Intake 166531 VALVE, Exhaust 165441 SEAT, Valve spring, lower 265567* SPRING, Valve auxiliary 265427* SPRING, Valve outer 268327* SEAT, Valve spring 260009 KEY, Valve 41102 PLUG, 1/8 pipe x 3/8 long, socket 168519 ROCKER ASSY., Valve 271481 SEAL, Cylinder base oil 160053* SEAL, Shroud tube 460401* SHAFT, Valve rocker 175906 GASKET, Rocker box cover 161247 COVER, Rocker box 1STD-1826 SCREW, 1/4-20 x 5/8 long, fill. hd. 670396 PISTON 160403 PIN, Piston 172434 PLUG, Piston pin 271555* RING, Top & 2nd compression 268338 RING, Oil regulating, expander type 1
* These parts are no longer available for purchase through Textron Lycoming.
7-7
TEXTRON Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport PlantNUMERICAL INDEX
PART NO. PART NAME PAGE NO. PART NO. PART NAME PAGE NO.
AN6-13AN6-14AN6-21AN6-34AAN365-632ALW-25-0.63LW-25-0.94LW-25-0.94LW-25-0.94LW-25-1.13LW-25-1.25LW-25-1.25LW-25-1.50LW-25-1.50LW-25S1.50LW-25-1.75LW-25-1.75LW-31-1.16LW-31H0.75LW-38-0.75LW-10070LW- 10071LW-10077LW-11713LW-11795LW- 11800LW-11997LW-12083LW- 12098-0-1 00LW-12098-0-120LW-12098-0-170LW-12186LW-12706LW-12892LW-13323LW-13353LW-13790LW-13792LW-13883LW-13923LW-14260LW- 14260LW-14313LW-14371LW-14759LW-15472LW-15571LW-15592-5-05LW-15592-8-24LW-15688
BoltBoltBoltBoltNutBoltBoltBoltBoltBoltBoltBoltBoltBoltBoltBoltBoltBoltBoltBoltCrankcase Assy.Crankcase Assy.SeatSpringSpringSpringSealSwitchTube Assy.Tube Assy.Tube Assy.NutAdapterThrust ButtonSeatGasketShaftSealRingBushingSealSealAlternatorAlternator Assy.Gage Assy.Fuel PumpStarterClampClampSump Assy.
5-35-31-111-116-71-91-12-36-11-115-36-31-112-31-111-115-35-25-32-51-11-13-51-53-53-51-55-26-76-76-73-14-13-73-56-13-71-53-13-11-12-35-15-11-32-55-23-76-36-1
LW-157208LW-157209LW-16266-25-13LW-163005-2LW-163045-3LW-16728LW-16729LW-16730LW- 18639LW-18661LW- 18667LW-18959-150-25LW-19296LW-19298LW-51360-25LW-51360-29LW-51360-37LW-52305-1STD-8STD-8STD-8STD-8STD-8STD-8STD-8STD-8STD-8STD-33STD-33STD-33STD-35STD-35STD-35STD-35STD-43STD-68STD-68STD-131STD-160STD-160STD-160STD-160STD-160STD-160STD-160STD-160STD-294STD-425STD-475STD-475
KitKitClipMagnetoMagnetoPipePipePipeLockplateSealPinClampGasketRingMagnetoMagnetoMagnetoKit Assy.WasherWasherWasherWasherWasherWasherWasherWasherWasherWasherWasherWasherWasherWasherWasherWasherNutPinPinScrewWasherWasherWasherWasherWasherWasherWasherWasherGasketWasherWasherWasher
4-14-16-74-14-16-36-36-31-73-51-96-73-33-34-14-14-14-11-11-112-32-62-75-36-16-36-51-71-112-52-33-35-25-31-11-16-11-11-11-112-32-75-36-16-36-52-61-53-34-1
8-1
Williamsport Plant
PART NO.
STD-475STD-514STD-551STD-553STD-557STD-596STD-587STD-619STD-678STD-678STD-684STD-690STD-700STD-713STD-783STD-784STD-853STD-872STD-872STD-1045STD-1045STD-1065STD-1111STD-1196STD-1198STD-1211STD-1214STD-1227STD- 1409STD- 1409STD-1410STD-1410STD- 1410STD-1411STD-1411STD-1411STD-1411STD-1411STD-1420STD-1433STD-1623STD-1727STD-1727STD-1774STD-1856STD-1882STD-1925STD-2090STD-2180STD-2213
Lycoming 0-290-D SERIES PARTS CATALOG
NUMERICAL INDEX (Cont.)
PART NAME PAGE NO. PART NO. PART NAME PAGE NO.
Washer 5-2 STD-2217 Oil Seal 2-7Dowel 1-1 25C-12 Stud 6-1Plug 6-1 25C-22 Stud 2-1Screw 6-7 31C-12 Stud 1-1Dowel 1-1 31C-12 Stud 2-1Nut 1-11 31C-12 Stud 3-3Nut 3-7 31C-13 Stud 1-1Washer 1-3 31C-19 Stud 2-1Washer 1-11 31CD-17 Stud 2-1Washer 2-5 38-13 Stud 1-1Nipple 3-7 50-15 Stud 1-1Washer 5-3 383-B Nut 3-7Elbow 3-3 1028-B Ball 1-5Pin 5-3 1102 Plug 1-1Plug 2-1 1102 Plug 2-1Plug 2-1 1102 Plug 3-3Tee 6-7 1182-B3 Spark Plug 4-1Nut 1-11 1182-F3 Spark Plug 4-1Nut 5-3 1182-V4 Spark Plug 4-1Gasket 1-5 8313 Gasket 2-7Gasket 6-1 45530 Ring 1-9Dowel 1-7 45688 Flange 1-7Elbow 1-1 60009 Key 3-5Hose 6-3 60025 Screw 3-7Bolt 1-7 60096 Gasket 2-5Plug 1-7 60311 Plug 3-1Screw 1-7 60398 Bushing 3-7Washer 6-1 60403 Pin 3-1Nut 1-11 60430 Cover 2-7Nut 6-1 60592 Gasket 6-5Nut 3-3 60803 Strap 1-11Nut 4-1 60820 Gasket 6-1Nut 5-2 60821 Tube Assy. 3-7Nut 1-11 60831 Rocker Assy. 3-7Nut 2-7 60882 Gear 1-7Nut 5-3 60890 Tube Assy. 3-7Nut 6-1 60928 Tube Assy. 3-7Nut 6-5 61084 Spring 1-5Nut 2-3 61098 Adapter Assy. 2-7Bolt 6-1 61151 Shaft 1-9Insert 1-1 61163 Gear 4-1Washer 4-1 61173 Gasket 2-6Washer 5-3 61174 Shaft 2-3Pin 2-7 61175 Adapter 2-1Screw 2-6 61183 Gasket 2-7Screw 2-5 61227 Lever 1-1Screw 3-7 61247 Cover 3-7Nut 3-7 61253 Spacer 1-7Hose 3-7 61259 Flange 3-3Screw 1-7 61358 Plug 6-1
8-2
TEXTRON Lycomlng 0-290-D SERIES PARTS CATALOG
Williamsport PlantNUMERICAL INDEX (Cont.)
PART NO.
61376613776137861381614006151061520615316153361544615546155561583615846163161662616656212362156622246228962415624176253162815628176283062916650066500765098664296652866529-S66610667346679667447683386851968593686686875168763687866878868790687926897469340
PART NAME
ConnectionConnectionScreenTube Assy.StudPlugBearingGasketBearingPlungerCoverPlugCover Assy.ValveValveBearingGearTube Assy.Rod Assy.GasketCarburetorPlungerPlugCrankshaft Assy.HousingScreen Assy.CarburetorRingTubeRetainerCoverValveSeatGuideBushingStudInsertBearingRingRocker Assy.SpacerSpringStudBearingHousing Assy.Housing Assy.Housing Assy.Housing Assy.HousingSupport Assy.
PAGE NO.
6-16-16-16-12-11-71-51-11-51-91-11-11-11-13-53-14-11-33-74-16-52-62-61-72-62-66-53-13-51-12-53-53-33-33-31-13-31-53-13-72-71-51-11-52-12-12-12-12-61-7
PART NO.
6937369401694366967969841699536995870396710327110571160714817159671831718327183771838719737205772058720677207572091724347249672566728777297073346734117341273413734147381773818739387406874225743237499675072753127538075706757087590676026760947621076529
PART NAME
BearingRingSpringStudPistonStarterPistonPistonBushingTappetHousing Assy.RingWasherCylinder & Head Assy.Cylinder & Head Assy.Cylinder & Head Assy.Cylinder & Head Assy.GasketSeatSeatBushingSealRingPlugHousing Assy.GearBodyGear Assy.FlangeRod Assy.Rod Assy.Rod Assy.Rod Assy.LockplateGasketValveRingNipple Assy.StrutGear Assy.Gear Assy.Support Assy.LinkCamshaftShaft Assy.GasketBeltCamshaftStarterPlug
PAGE NO.
3-13-12-61-13-15-23-13-11-31-52-13-72-73-33-33-33-36-33-33-31-71-51-53-12-11-71-52-76-33-73-73-73-71-92-13-51-36-75-31-91-91-75-31-71-93-75-11-75-21-5
8-3
TEXTRON Lycoming 0-290-D SERIES PARTS CATALOG
Williamsport PlantNUMERICAL INDEX (Cont.)
PART NO. PART NAME PAGE NO. PART NO. PART NAME PAGE NO.
7653476923-48S70-6376923-48S90-6376943-S77309774677802778030-S
ShimLead Assy.Lead Assy.GuideBushingSpringBoltConnecting Rod Assy.
5-34-14-13-31-91-53-13-1
7815878290785247853105K19423-S36B1948468C1962213S19646
BracketPlunger Assy.SocketBodyOil Pump Impeller KitPulleyGearGear
5-33-53-52-32-35-14-11-7
8-4