IO-50-KH5 Series Illustrated Parts Catalog November 983 Engine model IO-50-KK5, previously covered in this parts catalog, has been superseded by PC-5-KK5. PC-5-03 5 Oliver Street Williamsport, PA 770
IO-50-KH5 Series Illustrated Parts Catalog November 983 Engine model IO-50-KK5, previously covered in this parts catalog, has been superseded by PC-5-KK5. PC-5-03 5 Oliver Street Williamsport, PA 770
LYCOMIMG A Textron Company 5 Oliver Street Williamsport, PA 770 U.S.A. 570/33-8 TECHNICAL PUBLICATION SUPPLEMENT REVISION No. PUBLICATION PUBLICATION No. PUBLICATION DATE PC-5-C KH5 Supplement IO-50-K K5 Engines PC-5- NOVEMBER 983 The page(s) furnished herewith are intended to be used in conjunction with the existing page(s) of the publication indicated above. Previous revisions to this publication This supplement consists of: - JUNE, 985 PC-5-A (IO-50-KK5 Revision) Pages -7, -3, -, -, 3-, 3-, 3-, 3-7, 3-8, -, -, 8-, 8-, 8-3, 8- FEBRUARY, 003 PC-5-B (IO-50-KK5 Revision) Parts Supersedures... Figure, Page - Figure, Page -3 Figure 3, Page -5 Figure, Page -7 Figure 5, Page -9 Figure 8, Page -5 Figure 0, Page -3 Figure, Page - Figure, Page 3- Figure 5, Page 3-3 Figure, Page 3-5 Figure 7, Page 3-7 Figure 9, Page 5- Figure, Page 5-3 Figure, Page - Figure 3, Page -3 FEBRUARY, 003 (K H5) These Figures are to be used in conjunction with PC-5- Parts Catalog Illustrations: Figure Figure Figure 3 Figure Figure 5 Figure Figure 0 Figure Figure Figure 5 Figure Figure 7 Figure 9 Figure Figure Figure 3 Crankcase Assembly Oil Level Gage & Engine Mtg. Brackets Crankcase Related Parts Crankshaft & Related Parts Camshaft & Related Parts Propeller Governor Drive Assembly Oil Pump Assembly & Accy. Attaching Oil Filter Assembly & Cooler Bypass Valve Connecting Rods, Pistons & Ring Assys. Cylinder Assembly Valve Assembly Cylinder Related Parts Alternator Assembly & Belt Alternator Mounting & Attaching Oil Sump & Induction Housing Assembly Intake Pipes & Air Inlet Housing These Figures have been added to show differences between the KK5 and the KH5 engine models: Figure 7 Figure 8 Figure 9 Figure Figure 3 Figure 3A Figure 8 Figure 0 Figure Figure A Crankshaft Idler Gears Crankcase Attaching Parts Accessory Housing Assembly Fuel Pump Assembly Vacuum Pump Drive & Cover, Oil Cooler & Breather Fittings Hydraulic Pump Drive & Covers Magnetos, Drives, Harnesses & Plugs Starter Assembly and Attaching Fuel Injector, Manifold & Injection Nozzles Fuel Injector, Manifold & Injection Nozzles 003 by Lycoming, "All Rights Reserved"
AVCO LYCOMING 0-50-KK5 PARTS CATALOG INTRODUCTION WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE This illustrated parts catalog contains a complete parts listing for the Avco Lycoming IO-50-KK5 wide cylinder flange model aircraft engines. Major assembly and sub-assembly parts of the engines are listed in the Group Assembly sections in the general sequence of engine build up. A Service Kits section and Oversize and Undersize Parts List are included to aid in ordering parts as necessary during 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 Avco Lycoming engines may be found in the appropriate Vendor's Parts Catalog. A list of these publications appear in the latest edition of Service Letter No. L. NOTE The illustrations, pictures and drawings shown in this publication are typical of the subject matter they portray. This catalog, when used in conjunction with the appropriate overhaul manual, shall be used for parts identification 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, 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 contained in this parts catalog is up-to-date at time of publication, users are urged to keep abreast of later information through all Avco Lycoming distributors or from the factory by subscription. Consult the latest edition of Service Letter No. L for subscription information. HOW TO ORDER PARTS In ordering parts for your engine, observe the following instructions which will expedite shipment of correct parts required without delay. a. Always specify the model and serial number of your engine. b. Always specify Part Number, Nomenclature and quantity required. i
AVCO LYCOMING 0-50-KK5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE TABLE OF CONTENTS SECTION PAGE In tro d u c tio n...................................................................... i Table of Contents................ ii Oversize and Undersize Parts.......... iii. CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP C rank case A ssem bly...... - Oil Level Gage and Engine Mounting Brackets...... -3 Crankcase Related Parts...... -5 Crankshaft and Related Parts......... -7 Camshaft and Related Parts...... -9 Propeller Governor Drive Assembly...... - Crankshaft and Fuel Pump Idler Gears...... -3 Crankcase Attaching Parts... -5. ACCESSORY HOUSING AND RELATED PARTS Accessory Housing Assembly...... - Oil Pump Assy. and Accessory Housing Attaching Parts...... -3 Fuel Pum p A ssem blies....... -5 Oil Filter Assembly and Oil Cooler Bypass Valve.... - Vacuum Pump Drive, Oil Cooler and Breather Fittings......... -7 3. CYLINDER, PISTON AND VALVE TRAIN Connecting Rods, Pistons and Ring Assemblies...... 3- Cylinder Assembly.......... 3-3 V alve A ssem bly... 3-5 Cylinder Related Parts........... 3-7. IGNITION SYSTEM Magnetos, Magneto Drives and Spark Plugs...... - 5. ELECTRICAL COMPONENTS A lternator and B elt... 5- Starter Motor and Attaching Parts................... 5- Alternator Mounting and Attaching Parts... 5-3. OIL SUMP AND INDUCTION SYSTEM Oil Sump and Induction Housing Assembly...... - Intake Pipes and Air Inlet Housing......... -3 Fuel Injector, Fuel Manifold and Injection Nozzles... -5 7. SERVICE KIT SECTION... 7-8. NUMERICAL INDEX......... 8- ii
AVCO LYCOMING 0-50-KK5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE Oversize and Undersize Parts Listing PART NO. 70 73 79 979 789 7903 755-S 7897 7380 73857 7 755-S 7557-S LW-88 LW-3885 LW-830 LW-58 STD-05 BUSHING GUIDE INSERT DOWEL SEAT DESCRIPTION BUSHING, Counterweight BUSHING GUIDE BUSHING RING RING BUSHING BUSHING SEAT BEARING BEARING SEAL DOWEL P0 P05.00.005 X X X OVERSIZE UNDERSIZE P0 P5 P0 P30 P50 M03 M0 M0.00.05.00.030.050.003.00.00 X X X X X X X X SEE LATEST EDITION OF SERVICE INSTRUCTIONO. 3 FOR APPLICATION. X X X X X X X X SEE LATEST EDITION OF SERVICE INSTRUCTION NO. 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 Studs available in P03, P07 and P. NOTE When ordering oversize and undersize parts, be sure to specify the required oversize and undersize dimension along with the proper part number. For example, to order bearing LW-3885 in.003 undersize, order part number LW-3885-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 an inch. iii
C A Textron IO-50-KH5 PARTS CATALOG SUPPLEMENT CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP CRANKCASE ASSEMBLY FIG. REF. PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY F00-S 3C- 3 3C-3 38-3 5 38-38- 7 38D-7 8 50-5 9 LW-379 0 979 STD-5 STD-557 3 STD-339 0 5 5007 758 7 3C-* 3C- ** 8 7377 CRANKCASE ASSEMBLY STUD, 5/-8 x -/ long STUD, 5/-8 x -5/8 long STUD, 3/8- x -5/8 long STUD, 3/8- x.00 long STUD, 3/8- x -3/ long STUD, 3/8- x -/8 long, drilled STUD, /-0 x -7/8 long STUD, 5/-8 x.00 long, drilled DOWEL, Crankshaft bearing DOWEL, 5/ dia. x / long DOWEL, / dia. x / long, hollow PLUG, /-7 NPT, Allen head PLUG, /8-7 NPT, Allen head -- DOES NOT APPLY TO THIS MODEL - BUSHING, Governor drive idler shaft STUD, 5/-8 x -3/ long STUD, 5/-8 x.00 long NOZZLE ASSY., Piston cooling 8 * Used on IO-50-KK5 engines. ** Used on IO-50-KH5 engines. - IMPORTANT - Use in conjunction with PC-5-: IO-50-KK5 Series Parts Catalog, Figure Illustration, Page -. PC-5-C - FEBRUARY, 003
AVCO IYCOMING 0-50-K(5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE -7 - -5-8 Figure. CRANKCASE ASSEMBLY -
A Textron Company IO-50-KH5 PARTS CATALOG SUPPLEMENT WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP OIL LEVEL GAGE AND ENGINE MOUNTING BRACKETS FIG. REF. PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY 7057 7575 * 7757 ** 3 705 * 73 ** LW-770 * LW-79 ** 5 A9770** 705 ** STD-33 7 STD-78 8 STD-59 GASKET, Oil filler extension EXTENSION, Oil filler (short) EXTENSION, Oil filler (-3/ long) "O" RING, Oil level gage "O" RING, Oil level gage GAGE ASSY., Oil level GAGE ASSY., Oil level (cam action) BRACKET, Engine mounting (dynafocal) BRACKET, Engine mounting (dynafocal) WASHER, 3/8 plain WASHER, 3/8 lock, internal teeth NUT, 3/8- plain * Used on IO-50-KK5 engines. ** Used on IO-50-KH5 engines. - IMPORTANT - Use in conjunction with PC-5-: IO-50-KK5 Series Parts Catalog, Figure Illustration, Page -. CamActon 3 PC-5-C -3 FEBRUARY, 003
AAVCO LYCOMING 0-50-KK5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE 8 7 Figure. OIL LEVEL GAGE AND ENGINE MOUNTING BRACKETS -
A Textron Comoanv IO-50-KH5 PARTS CATALOG SUPPLEMENT CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP CRANKCASE RELATED PARTS FIG. REF. 3 PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY 08-B 88 * 08 * 777 * LW-73 * LW-8085 * 3 STD-5 0E979-.5 5 77808 LW-830 8E77 7 LW-3885 8A9399 8 LW-58 ** 783 ** 9 709 0 7877 BALL, / diameter SPRING, Oil pressure relief valve SPRING, Oil pressure relief valve SPRING, Oil pressure relief valve SPRING, Oil pressure relief valve SPRING, Oil pressure relief valve - DOES NOT APPLY TO THIS MODEL -- GASKET, -/ I.D. x -/ O.D. x 3/3 annular VALVE ASSY., Oil pressure relief, adjustable BEARING, Crankshaft BEARING, Crankshaft (alternate) BEARING, Crankshaft, front BEARING, Crankshaft, front (alternate) SEAL, Crankshaft oil, solid SEAL, Crankshaft oil, split RING, Oil seal, 3/ I.D. x 7/ dia. section BODY, Hydraulic tappet * Select spring to give a minimum of three threads exposed on adjusting screw to allow field adjustment. Reference latest edition of SSP-77, Part for spring identification. ** See latest edition of Lycoming Service Instruction No. 3 for installation. - IMPORTANT - Use in conjunction with PC-5-: IO-50-KK5 Series Parts Catalog, Figure 3 Illustration, Page -. 5 P/ N 77808 Valve Assy. PC-5-C -5 FEBRUARY, 003
AVCO LYCOMING IO-50-KK5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE Figure 3. CRANKCASE RELATED PARTS -
A Textron Company IO-50-KH5 PARTS CATALOG SUPPLEMENT WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP CRANKSHAFT AND RELATED PARTS FIG. REF. PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY 05K37777 * 3F3777 * KIT, CRANKSHAFT & COUNTERWEIGHT ASSY. CRANKSHAFT AND BUSHING ASSY. STD- PLUG,.00 dia. expansion 7380 ** BUSHING, Crankshaft dynamic counterweight 095 PLUG, -/ diameter 755-S BUSHING, Propeller flange, long 755-S BUSHING, Propeller flange, short 7557-S BUSHING, Propeller flange, indexing STD- 05 DOWEL, Stepped, 5/ & / dia. x 35/ long LW-90 COUNTERWEIGHT ASSY. 7903-A BUSHING, Dynamic counterweight 738 ROLLER, Dynamic counterweight, 5. order 7788 ROLLER, Dynamic counterweight,.3 order LW-80 RING, Internal retaining 7907 WASHER, Dynamic counterweight 3S97 * GEAR, Crankshaft LW-838 LOCKPLATE, Crankshaft gear STD-7 BOLT, 5/- x -3/ long, hex. head LW-7 SUPPORT ASSY., Starter ring gear, / pitch 75 GEAR, Starter ring * P/N 05K7777 replaced by P/N 05K37777 KIT, CRANKSHAFT & COUNTERWEIGHT ASSY. P/N 3F3777 CRKSHFT & BUSHING ASSY. supersedes P/N 3F777 CRKSHFT & PLUG ASSY. ** See latest edition of Lycoming Service Instruction No. for application. * See latest edition of Lycoming Service Instruction No. 0 for application. * See latest edition of Lycoming Service Instruction No. 3 for application. * See latest edition of Lycoming Service Bulletin No. 75 for application. o P/N STD-7 BOLT supersedes P/N STD-09 BOLT. - IMPORTANT - Use in conjunction with PC-5-: IO-50-KK5 Series Parts Catalog, Figure Illustration, Page -8. PC-5-C -7 FEBRUARY, 003
AVCO LYCOMING 0-50-KK5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE 9 7 5 3 5 Figure. CRANKSHAFT AND RELATED PARTS -8
LYWCoiMIWG A Textron ComDanv IO-50-KH5 PARTS CATALOG SUPPLEMENT WiDE CYLINDER FLANGE MODEL ENGINES CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP CAMSHAFT AND RELATED PARTS FIG. REF. 5 PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY LW- 930 CAMSHAFT ASSY. 755 SHAFT ASSY., Tachometer 3 LW-87 PIN, 3/ x -/ long 78 SPACER, Tachometer shaft centering 5 STD-3 RING, Internal retaining - IMPORTANT - Use in conjunction with PC-5-: IO-50-KK5 Series Parts Catalog, Figure 5 Illustration, Page -0. PC-5-C -9 FEBRUARY, 003
AVCO LYCOMING D-50-KK5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE 5 Figure 5. CAMSHAFT AND RELATED PARTS -0
LYCOMING A Textron Company IO-50-KH5 PARTS CATALOG SUPPLEMENT WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP PROPELLER GOVERNOR DRIVE ASSEMBLY FIG. REF. PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY LW-0 GEAR, Propeller governor driven LW-0 SHAFT, Propeller governor idler gear LW-05 GEAR ASSY., Propeller governor idler 7787 BUSHING, Propeller governor idler gear STD-9 DOWEL, 3/3 dia. x 7/3 long STD-798 DOWEL, 3/3 dia. x 9/3 long 739 WASHER, Thrust (.0585 -.0595 thick) AR 7350 WASHER, Thrust (.0 -.03 thick) AR 735 WASHER, Thrust (.055 -.05 thick) AR 735 WASHER, Thrust (.09 -.070 thick) AR 0L8 WASHER, Thrust (.055 -.05 thick) AR AN55B 03H5 SET SCREW, No. 0-3 x 5/ long 7055 GASKET, 5/3 I.D. x -/8 O.D. x /3 thick LW-389 PLUG, 3/- hex head 7053 GASKET, Governor 7378 COVER, Governor drive STD-35 WASHER, 5/ plain 0 STD-75 WASHER, 5/ lock, internal teeth STD-0 NUT, 5/-8 plain - IMPORTANT - Use in conjunction with PC-5-: IO-50-KK5 Series Parts Catalog, Figure Illustration, Page -. PC-5-C - FEBRUARY, 003
AVCO LYCOMING 0-50-KK5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE 8 0 Figure. PROPELLER GOVERNOR DRIVE ASSEMBLY -
IO-50-KH5 PARTS CATALOG SUPPLEMENT CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP CRANKSHAFT IDLER GEARS FIG. REF. 7 PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY 5 PLUNGER, Fuel pump, long 75 GEAR ASSY., Crankshaft idler 3 7530 BUSHING, Crankshaft idler gear 78 GEAR ASSY., Crankshaft idler, plain 5 7530 BUSHING, Crankshaft idler gear LW-3795 SHAFT, Crankshaft idler gear 7 LW-3H0.88 BOLT, 5/-8 x 7/8 long, hex. hd., dr. 3 8 STD-8 NUT, 5/-8 NC-3 slotted shear PC-5'C. -3 FEBRUARY, 003
A Textron Company IO-50-KH5 PARTS CATALOG SUPPLEMENT WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES 3 Figure 7. CRANKSHAFT IDLER GEARS PC-5-C - FEBRUARY, 003
A Textron Company IO-50-KH5 PARTS CATALOG SUPPLEMENT CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP CRANKCASE ATTACHING PARTS FIG. REF. 8 PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY LW-5-.50 BOLT, /-0 x -/ long, hex. hd. STD-8 WASHER, / plain 3 0803 STRAP, Lifting LW-5-.75 BOLT, /-0 x -3/ long, hex. hd. 5 STD-0 WASHER, / lock, internal teeth 3 STD- NUT, /-0 plain 7 LW-5S.50 BOLT, /-0 x -/ long, dr. end 8 STD-8 WASHER, / plain 8 9 STD-9 NUT, /-0 slotted shear 0 STD-33 WASHER, 3/8 plain STD-87 NUT, 3/8- slotted AN-3A BOLT, 3/8- x 3-37/ long, hex. hd. 3 STD-78 WASHER, 3/8 lock, internal teeth STD-59 NUT, 3/8- plain 5 70 STUD, /-0 x 0-5/ long 8 LW-3-.75 BOLT, 5/-8 x -3/ long, hex. hd. 7 LW-3-. BOLT, 5/-8 x -5/3 long, hex. hd. 3 8 STD-35 WASHER, 5/ plain 9 STD-75 WASHER, 5/ lock, internal teeth 0 LW-5-.3 BOLT, /-0 x -/8 long, hex. hd. STD-33 WASHER, 3/8 plain 3 PC-5-C -5 FEBRUARY, 003
A Textron Company IO-50-KH5 PARTS CATALOG SUPPLEMENT WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES Figure 8. CRANKCASE ATTACHING PARTS PC-5-C - FEBRUARY, 003
A Textron Company IO-50-KH5 PARTS CATALOG SUPPLEMENT ACCESSORY HOUSING AND RELATED PARTS ACCESSORY HOUSING ASSEMBLY FIG. REF. 9 PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY 7388 GASKET, Accessory housing C539-0 HOUSING ASSY., Accessory 3 3C- STUD, 5/-8 x -/ long 3C- STUD, 5/-8 x -5/8 long 5 5C- STUD, /-0 x -5/8 long 3CD-7 STUD, 5/-8 x -/8 long, drilled 3 7 0 PLUG, /8-7 NPT, Allen hd. 8 STD-78 PLUG, 3/8-8 NPT, Allen hd. PC-5-C - FEBRUARY, 003
A Textron Company IO-50-KH5 PARTS CATALOG SUPPLEMENT WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES 3 Figure 9. ACCESSORY HOUSING ASSEMBLY PC-5-C - FEBRUARY, 003
LYCOMING A Textron Company 0-50-KIH5 PARTS CATALOG SUPPLEMENT ACCESSORY HOUSING AND RELATED PARTS OIL PUMP ASSEMBLY AND ACCESSORY HOUSING ATTACHING PARTS FIG. REF. 0 PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY 7853 BODY ASSY., Oil pump LW-80 * IMPELLER ASSY., Oil pump driven 3 7 SHAFT, Oil pump drive LW-809 * IMPELLER, Oil pump driving 5 STD-35 WASHER, 5/ plain 3 STD- 0 NUT, 5/-8 slotted 3 7 LW- 0 SEAL, Tachometer drive, oil 8 9 STD-8 STD- 0 WASHER, / plain WASHER, / lock 0 LW-5-0.9 BOLT, /-0 x 5/ long, hex. head 9 LW-5-.3 BOLT, /-0 x -/8 long, hex. head LW-5-. BOLT, /-0 x -7/ long, hex. head * To insure impellers are replaced together, oil pump impellers available in kit form only (P/N 05K93-S). - IMPORTANT - Use in conjunction with PC-5-: 0-50-KK5 Series Parts Catalog, Figure 0 Illustration, Page -. PC-5-C -3 FEBRUARY, 003
AVCO LYCOMING 0-50-KK5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE -8,9,0 8,9. 8,9, 0 Figure 0. OIL PUMP ASSEMBLY AND ACCESSORY HOUSING ATTACHING PARTS - Revised June, 985
A Textron Company IO-50-KH5 PARTS CATALOG SUPPLEMENT WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES ACCESSORY HOUSING AND RELATED PARTS FUEL PUMP ASSEMBLY FIG. REF. PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY 009 LW-573 3 STD-33 STD-88 GASKET, Fuel pump FUEL PUMP, Dual diaphragm (3) WASHER, 3/8 plain SCREW, 3/8- x -9/3 long, socket dr. 3 -r Figure. FUEL PUMP ASSEMBLY PC-5-C -5 FEBRUARY, 003
INTENTIONALLY LEFT BLANK
IO-50-KH5 PARTS CATALOG SUPPLEMENT WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES ACCESSORY HOUSING AND RELATED PARTS OIL FILTER ASSEMBLY AND OIL COOLER BYPASS VALVE FIG. REF. PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY LW-795 * GASKET, Oil filter adapter LW-35 * OIL FILTER, Short (spin-on type) 3 7785 BASE ASSY., Oil filter STD-8 WASHER, / plain 5 STD- 0 WASHER, / lock, internal teeth STD- NUT, /-0 plain 7 LW-5-.00 BOLT, /-0 x.00 long, hex. head 3 8 53E VALVE ASSY., Temp. control, oil cooler bypass 9 750 GASKET, Valve assembly 0 5C-0 STUD, /-0 x -/ long * Extra gasket and oil filter shipped loose with engine. - IMPORTANT - Use in conjunction with PC-5-: IO-50-KK5 Series Parts Catalog, Figure Illustration, Page -. PC-5-C - FEBRUARY, 003
AVCO LYCOMING 0-50-KK5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE ACCESSORY HOUSING AND RELATED PARTS OIL FILTER ASSEMBLY AND OIL COOLER BYPASS VALVE FIG. REF. PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY LW-795 LW-35 3 7785 STD-8 5 STD-0 STD- 7 STD-85 8 759 9 750 0 5C-0 GASKET, Oil filter adapter OIL FILTER, Short (spin-on type) BASE ASSY., Oil filter WASHER, / plain WASHER, / lock, internal teeth NUT, /-0 plain SCREW, /-0 x.00 long, hex. hd. self-locking VALVE ASSY., Temp. control, oil cooler bypass GASKET, Valve assembly STUD, /-0 x -/ long I - Figure. OIL FILTER-ASSEMBLY AND OIL COOLER BYPASS VALVE - Revised June, 985
A Textron IO-50-KH5 PARTS CATALOG SUPPLEMENT WiDE CYLINDER FLANGE CRANKCASE MODEL ENGINES ACCESSORY HOUSING AND RELATED PARTS VACUUM PUMP DRIVE AND COVER, OIL COOLER AND BREATHER FITTINGS FIG. REF. 3 PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY 83 GASKET, Accessory adapter 753 ADAPTER ASSY., Vacuum pump 3 0A995 OIL SEAL, 7/8 I.D. x -/ O.D. x 5/ wide STD-77 PIN, /8 dia. x / long 5 797 GEAR ASSY., Vacuum pump driven 5A 79 THRUST BUTTON, Vacuum pump gear 759 WASHER, Accessory drive gear 7 833 GASKET, Vacuum pump 8 030 COVER, Vacuum pump 9 STD-8 WASHER, / plain 0 STD- 0 WASHER, / lock, internal teeth STD- NUT, /-0 plain 0E979-0.3 GASKET, 7/8 O.D. x 5/8 I.D. x 3/3 annular 3 975 CONNECTOR, Accy. hsg. oil cooler STD-78 PLUG, 3/8-8 NPT, Allen head 5 75 FITTING, Breather PC-5-C -7 FEBRUARY, 003
A Textron Company IO-50-KH5 PARTS CATALOG SUPPLEMENT WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES 3 9 8 7 Figure 3. VACUUM PUMP DRIVE AND COVER, OIL COOLER AND BREATHER FITTINGS PC-5-C -8 FEBRUARY, 003
ACCESSORY HOUSING AND RELATED PARTS HYDRAULIC PUMP DRIVE AND COVERS FIG. PART QUANTITY REF. NUMBER DESCRIPTION PER 3A ASSEMBLY 79 GEAR ASSY., Hydraulic pump driven 79 THRUST BUTTON, Hydraulic pump gear 3 759 WASHER, Accessory drive gear 835 GASKET, Accessory drive adapter 5 775 ADAPTER ASSY., Hydraulic pump 0A995 OIL SEAL, 7/8 I.D. x -/ O.D. x 5/ wide 7 5C- STUD, /-0 x -/ long 8 STD-77 PIN, /8 dia. x / long 9 STD-35 WASHER, 5/ plain 0 STD-75 WASHER, 5/ lock, internal teeth STD-0 NUT, 5/-8 plain 833 GASKET, Hydraulic pump 3 030 COVER, Hydraulic pump STD-8 WASHER, / plain 5 STD-0 WASHER, / lock, internal teeth STD- NUT, /-0 plain 7 955 GASKET, Hydraulic pump 8 90 COVER, Hydraulic pump 9 STD-35 WASHER, 5/ plain 0 STD-75 WASHER, 5/ lock, internal teeth STD-0 NUT, 5/-8 plain PC-5-C -7A FEBRUARY, 003
A Textron Company IO-50-KH5 PARTS CATALOG SUPPLEMENT WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES 3 9 Figure 3A. HYDRAULIC PUMP DRIVE AND COVERS PC-5-C -8A FEBRUARY, 003
A Textron Company IO-50-KIH5 PARTS CATALOG SUPPLEMENT CYLINDER, PISTON AND VALVE TRAIN CONNECTING RODS. PISTONS AND RING ASSEMBLIES FIG. REF. PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY LW-933 CONNECTING ROD ASSEMBLY LW-393 BUSHING, Connecting rod 3 LW-59 BOLT, Connecting rod LW-8 NUT, Connecting rod bolt 5 8N939 * BEARING, Connecting rod LW-007-S PISTON, Compression ratio, 8.7: 7 7 RING, Piston compression 8 H950 RING, Piston, oil regulating (expander type) 9 LW-078 PIN, Piston 0 798 PLUG, Piston pin * P/N 8N939 BEARING supersedes P/N 7309 BEARING. - IMPORTANT - Use in conjunction with PC-5-: IO-50-KK5 Series Parts Catalog, Figure Illustration, Page 3-. PC-5-C 3- FEBRUARY, 003
AVCO LYCOMING IO-50-KIK5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE Figure. CONNECTING RODS, PISTONS AND RING ASSEMBLIES 3- Revised June, 985
A Textron Company IO-50-KH5 PARTS CATALOG SUPPLEMENT WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES CYLINDER, PISTON AND VALVE TRAIN CYLINDER ASSEMBLY FIG. REF. 5 PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY LW-993 CYLINDER AND HEAD ASSEMBLY LW-88 SEAT, Intake valve T98 SEAT, Exhaust valve 73 GUIDE, Valve intake 75838 GUIDE, Valve exhaust 79 INSERT, Spark plug, 8 -.5 MM STD-87 - DOES NOT APPLY TO THIS MODEL - 3C- STUD, 5/-8 x -/ long 5C-8 STUD, /-0 x.00 long 70 BUSHING, Rocker shaft, inner MS083-D ELBOW, 5 x 3/8 flared tube 733 STABILIZER, Cylinder head fins, 5 teeth 73 STABILIZER, Cylinder head fins, teeth 0 PLUG, /8-7 NPT, Allen hd. 758 GASKET, Exhaust flange 795 FLANGE, Exhaust STD-35 WASHER, 5/ plain STD-75 WASHER, 5/ lock, internal teeth STD-0 NUT, 5/-8 plain - IMPORTANT - Use in conjunction with PC-5-: IO-50-KK5 Series Parts Catalog, Figure 5 Illustration, Page 3-. PC-5-C 3-3 FEBRUARY, 003
AVCO LYCOMING IO-50-KlK5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE Figure 5. CYLINDER ASSEMBLY 3-
LYCOMING A Textron Comnanv IO-50-KH5 PARTS CATALOG SUPPLEMENT WiDE CYLINDER FLANGE CRANKCASE MODEL ENGINES CYLINDER, PISTON AND VALVE TRAIN VALVE ASSEMBLY FIG. REF. PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY LW-3 VALVE, Intake LW-70 VALVE, Exhaust 3 LW-797 SPRING, Valve, inner LW-79 SPRING, Valve, outer 5 LW-33 SEAT, Valve spring, lower intake LW-33 SEAT, Valve spring, lower exhaust 7 953 SEAT, Valve spring, upper intake (rotator) 8 LW-75 SEAT, Valve spring, upper exhaust (rotator) 9 7050 KEY, Valve intake (rotator) 0 388 CAP, Valve stem, intake (rotator) 7C9 KEY, Valve exhaust (rotator) 7C938 CAP, Valve stem, exhaust (rotator) 3 7890 PLUNGER ASSY., Hydraulic tappet 5B39 SOCKET, Push rod, hydraulic tappet 5 755 TUBE ASSY., Shroud, push rod 5H0 SPRING, Shroud tube 7 78 WASHER, 5/3 I.D. x -/ O.D. x /3 thick 8 503 SLEEVE, Shroud tube seal 9 LW-8 SEAL, Shroud tube (w/ 503 sleeve) 0 9 -- DOES NOT APPLY TO THIS MODEL -- 5F9957-55 ROD ASSY., Push (A total of reqd.) AR 7F9957-5 ROD ASSY., Push (A total of reqd.) AR 7F9957-57 ROD ASSY., Push (A total of reqd.) AR 5F9957-58 ROD ASSY., Push (A total of reqd.) AR Added 5F3- ROD ASSY., Push (A total of reqd.) AR Added 5F3- ROD ASSY., Push (A total of reqd.) AR Added 5F3-3 ROD ASSY., Push (A total of reqd.) AR - Continued Next Page -- PC-5-C 3-5 FEBRUARY, 003
AVCO LYCOMING 0-50-KK5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE 3-8 7- I 7-3 0 m 0 N Figure. VALVE ASSEMBLY 3- Revised June, 985
A Textron Company IO-50-KH5 PARTS CATALOG SUPPLEMENT CYLINDER, PISTON AND VALVE TRAIN CYLINDER RELATED PARTS FIG. REF. 7 PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY 73 GASKET, Valve rocker shaft cover 770 COVER, Valve rocker shaft 3 STD- 0 WASHER, / lock, internal teeth STD- NUT, /-0 plain 5 793 GASKET, Rocker box cover 8795 COVER ASSY., Rocker box 7 STD-95 SCREW, /-0 X 5/8 long, pan. hd. self-locking 8 79 PLATE, Spark plug caution 9 78 RING, Oil seal, 3/3 dia. x -7/3 I.D. 0 7790 SPACER, 33/ I.D. x 7/8 O.D. x /8 thick 7887 SPACER, 33/ I.D. x 7/8 O.D. x 3/8 thick 383-B NUT, 3/8- plain 3 STD-090 NUT, /-0 plain STD-8 NIPPLE, Straight, 3/8 I.D. hose 5 STD-80 HOSE, 3/8 I.D. x -3/ long LW-559-5-05 CLAMP, Hose 7 770 TUBE ASSY., Cyl. head oil drain, cyl. no. 8 7703 TUBE ASSY., Cyl. head oil drain, cyl. no. 9 7307 TUBE ASSY., Cyl. head oil drain, cyls. no. 3,, 5, 0 75338 BAFFLE ASSY., Intercylinder 70 HOOK, Intercylinder baffle retainer 7 RETAINER, Intercylinder baffle 3 783 COVER, Baffle ignition cable hole STD-9 SCREW, No. 0-3 x / long, round head 5 STD-70 NUT, No. 0-3 self-locking - IMPORTANT - Use in conjunction with PC-5-: IO-50-KK5 Series Parts Catalog, Figure 7 Illustration, Page 3-8. PC-5-C 3-7 FEBRUARY, 003
AVCO LYCOMING ID-50-KK5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE Figure 7. CYLINDER RELATED PARTS 3-8 Revised June, 985
LYCOMI#IG A Textron Company IO-50-KH5 PARTS CATALOG SUPPLEMENT IGNITION SYSTEM SLICK MAGNETOS, MAGNETO DRIVES, HARNESS ASSYS. AND SPARK PLUGS FIG. REF. 8 PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY 73000 8H * 3 LW-707 5 LW-8 LW-909 7 75 8 LP-OSCNN 9 LC35SDNN 0 7U03 7U037 M95 3 STD-75 STD-0 5 STD-73 8-E7** 0P97-- COUPLING, Magneto drive CUSHION, Magneto drive GASKET, Magneto adapter ADAPTER, Magneto GASKET, Magneto GEAR RETAINER ASSEMBLY BALL BEARING MAGNETO, Plain, (Right), Model No. 350 MAGNETO, Impulse, (Left), Model No. 35 HARNESS, Right, Slick M-90 HARNESS, Left, Slick M-959 CLAMP, Magneto WASHER, 5/ lock, internal teeth NUT, 5/-8 plain COTTER PIN, 3/3 dia. x 3/ long SPARK PLUG, Champion (REM 38E) or Auburn (SR 87) BAG, Magneto harness attaching * P/N 8H CUSHION supersedes P/N LW-3 CUSHION. ** Item No. spark plugs are used in current production only. Additional spark plugs are available for these engines. See latest edition of Lycoming Service Instruction No. 0 for complete listing of all approved spark plugs. See Page - for breakdown of individual parts contained in magneto and harness attaching parts bag. These parts to be attached by customer per engine line drawing included in each bag. PC-5-C - FEBRUARY, 003
A Textron Company IO-50-KH5 PARTS CATALOG SUPPLEMENT WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES LW--5-5 LW-00 STD-8 STD- 0 STD- 87 773 LW--0-75 LW--5- STD-9 STD-9 STD-95 785 STD STD LW P/N 0P97-- CLIP, One wire CLIP, Two wire WASHER, / plain WASHER, / lock SCREW, /-0 x 3/ long ZIP STRAP CLAMP CLAMP, 7/ I.D. x / dia. screw WASHER, / plain (thin) SCREW, /-0 x -/8 long SCREW, /-0 x 5/8 long BRACKET, Support clamp, 90 SCREW No 0-3 x / long 8 5 A 9 Figure 8. SLICK MAGNETOS, MAGNETO DRIVES, HARNESS ASSYS. AND SPARK PLUGS PC-5-C - FEBRUARY, 003
LYCOMING A Textron Company IO-50-KH5 PARTS CATALOG SUPPLEMENT WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES ELECTRICAL COMPONENTS ALTERNATOR ASSEMBLY AND BELT FIG. REF. 9 PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY LW-3 * 3B959 ** LW-38 ** 3B98 ** 37A9773-37 * Used on IO-50-KK5 engines. ** Used on IO-50-KH5 engines. ALTERNATOR, Volt, 70 Amp. ALTERNATOR ASSY., Volt, 70 Amp. ALTERNATOR, (ALX-85-LS) PULLEY, Alternator BELT, Alternator drive, 3/8 wide NOTE See latest edition of Lycoming Service Instruction No. 5 for complete listing of FAA approved starters, generators, alternators, regulators and relays. - IMPORTANT - Use in conjunction with PC-5-: 0-50-KK5 Series Parts Catalog, Figure 9 Illustration, Page 5-. PC-5-C 5- FEBRUARY, 003
IO-50-KIK5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE ELECTRICAL COMPONENTS ALTERNATOR AND BELT FIG. REF. 9 PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY LW-3 70 ALTERNATOR, volt, 70 amp. externally grounded (ALU-8) BELT, Alternator drive, 3/8 wide NOTE See latest edition of Avco Lycoming Service Instruction No. 5 for complete lising of FAA approved starters, generators, alternators, regulators and relays. o Figure 9. ALTERNATOR AND BELT 5-
INTENTIONALLY LEFT BLANK
A Textron Company IO-50-KH5 PARTS CATALOG SUPPLEMENT WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES ELECTRICAL COMPONENTS STARTER ASSEMBLY (SKY TEC & ELECTROSYSTEMS) AND ATTACHING PARTS FIG. REF. 0 PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY 3A00 3A0 3A70 3 STD-35 STD-75 5 LW-3-. STD-0 STARTER, Sky-Tec (9 - PM) STARTER, Sky-Tec (9 - LS) STARTER, Electrosystems (MZ-) WASHER, 5/ plain WASHER, 5/ lock, internal teeth BOLT, 5/-8 x -5/3 long, hex. hd. NUT, 5/-8 plain NOTE 3 See latest edition of Lycoming Service Instruction No. 5 for complete listing of FAA approved starters, generators, alternators, regulators and relays..5 Figure 0. STARTER ASSEMBLY AND ATTACHNG PARTS (SKY TEC & ELECTROSYSTEMS) PC-5-C 5- FEBRUARY, 003
A Textron Company IO-50-KH5 PARTS CATALOG SUPPLEMENT WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES ELECTRICAL COMPONENTS ALTERNATOR MOUNTING AND ATTACHING PARTS FIG. REF. PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY 07A 97 BRACKET, Alternator 73383 LOCKPLATE, 5/ bolt x.00 spacing 3 LW-3-0.9 BOLT, 5/-8 x 5/ long, hex. hd. 75380 LINK, Alternator adjusting 5 STD-35 WASHER, 5/ plain LW-3 H0.75 BOLT, 5/-8 x 3/ long, hex. hd., dr. 7 STD-77 WASHER, Plain, 3/ O.D. x /3 I.D. x /8 thick 8 LW-3 H0.75 BOLT, 5/-8 x 3/ long, hex. hd., dr. 9 07F38 STRUT, Alternator support 0 LW-3H0.75 BOLT, 5/-8 x 3/ long, hex. hd., dr. STD-90 WASHER, 3/ O.D. x 5/ I.D. x / thick AN- * BOLT, 3/8- x -37/ long, hex. hd., dr. end AN-7 ** BOLT, 3/8- x -/ long, hex. hd., dr. end 3 STD-90 WASHER, 3/ O.D. x 5/ I.D. x / thick STD-87 NUT, 3/8- slotted 5 STD-73 PIN, Cotter, 3/3 dia. x 3/ long AN- BOLT, 3/8- x -53/ long, hex. hd, dr. end 7 753 SHIM, -/8 O.D. x 3/3 I.D. x.005 thick 8 STD-90 WASHER, 3/ O.D. x 5/ I.D. x / thick 9 STD-87 NUT, 3/8- slotted 0 STD-73 PIN, Cotter, 3/3 dia. x 3/ long * Used on IO-50-KK5 engines. ** Used on IO-50-KH5 engines. - IMPORTANT - Use in conjunction with PC-5-: IO-50-KIK5 Series Parts Catalog, Figure Illustration, Page 5-. PC-5-C 5-3 FEBRUARY, 003
AVCO LYCOMING 0-50-KK5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE 8 3 Figure. ALTERNATOR MOUNTING AND ATTACHING PARTS 5-
OIL SUMP AND INDUCTION SYSTEM OIL SUMP AND INDUCTION HOUSING ASSEMBLY FIG. REF. PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY 0B3 GASKET, Oil sump 5A9-03 HOUSING ASSY., Oil sump and induction 5A9-0 HOUSING ASSY., Oil sump and induction 3 LW-805 INSERT, Helicoil, / NPT LW-89 COVER, Induction housing 5 STD-5 DOWEL, 5/ dia. x / long 779 STUD, Intake pipe extension 7 77 PIPE, Extension, intake cylinders no. & 8 78 PIPE, Extension, intake cylinders no. 3 & 9 79 PIPE, Extension, intake cylinders no. 5 & 0 LW-73 CLAMP, Intake pipe extension 5C-9 STUD, /-0 x -/8 long 5C- STUD, /-0 x -3/8 long 3 38-5 STUD, 3/8- x -7/8 long 770 INSERT, Helicoil, /-0 x.3/8 long, self-lock 5 STD-9 PLUG, /- NPT, Allen hd. 0 PLUG, /8 pipe, Allen hd. 7 STD-78 PLUG, 3/8-8 NPT, Allen hd. 8 STD-355 PLUG, 3/- NPT, Allen hd. 9 STD-8 WASHER, / plain 0 STD- 0 WASHER, / lock, internal teeth LW-5-.00 BOLT, /-0 x.00 long, hex. hd. LW-5-.00 BOLT, /-0 x.00 long, hex. hd. 3 STD- NUT, /-0 plain 0E 979-0.9 GASKET, Annular, -/8 O.D. x 9/3 I.D. x / 5 7958 - DOES NOT APPLY TO THIS MODEL -- 7 8 9 30 3 3 790 LW-5-0.8 STD-8 STD-0 LW-5-.3 LW-5-.00 STD- PLUG, 7/8- x 5/8 hex. hd. BOLT, /-0 x 3/ long, hex. hd. WASHER, / plain WASHER, / lock, internal teeth BOLT, /-0 x -/8 long, hex. hd. BOLT, /-0 x.00 long, hex. hd. NUT, /-0 plain 37 3 8 5 - Continued Next Page - PC-5-C - FEBRUARY, 003
AVCO LYCOMING 0-50-KIK5 PARTS CATALOG WIDE CYLINDER FLAI\IGE CRANKCASE MODEL ENGINE 7,8,9 Figure. OIL SUMP AND INDUCTION HOUSING ASSEMBLY -
OIL SUMP AND INDUCTION SYSTEM INTAKE PIPES AND AIR INLET HOUSING IO-50-KK5 PARTS CATALOG WIDE CYLINDER FLANGE CRAI\ICASE MODEL ENGINE FIG. REF. 3 PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY 77 LW-9 3 LW-9 LW-93 5 LW-9 LW-95 7 7973 8 730 9 STD-8 0 STD-0 STD-5 70 3 LW-95 3C- 5 0 STD-353 7 STD-8 8 STD-875 9 0 0 LW-7 LW-379 LW-3750 3 LW-87 LW-88 5 AN900- RING, Seal, intake pipes PIPE, Intake, cylinder no. PIPE, Intake, cylinder no. PIPE, Intake, cylinder no. 3 PIPE, Intake, cylinders no. & 5 PIPE, Intake, cylinder no. GASKET, bolt flange, -7/8 I.D. FLANGE, Intake pipe, upper WASHER, / plain WASHER, / lock, internal teeth BOLT, /-0 x -/ long, hex. head GASKET, Air throttle housing HOUSING ASSY., Air inlet STUD, 5/-8 x -3/ long PLUG, /8 pipe, Allen head INSERT, 0- helicoil x 3/8 long WASHER, / plain BOLT, /-0 x 3/ long, hex. head SCREEN, Oil suction FITTING, Nipple, sump oil return SEPARATOR, Oil VALVE Oil ELBOW, Sump oil suction NUT,.00-0 UNF-3 x 9/3 thick GASKET, Copper asbestos -3
AVCO LYCOMING 0-50-K(5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE Figure 3. INTAKE PIPES AND AIR INLET HOUSING -
IO-50-KH5 PARTS CATALOG SUPPLEMENT A Textron Company OIL SUMP AND INDUCTION SYSTEM FUEL INJECTOR, FUEL MANIFOLD AND INJECTION NOZZLES FIG. REF. PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY 3 5 7 8 9 0 3 5 7 8 9 0 3 7303 * 775 7557 730 ** STD-35 STD- 77 STD-0 STD-75 LW-85 75573 AN8- AN79- STD-8 0G 75009 STD-5 STD-8 STD- 0 LW-5-0.50 LW-098-0-0 LW-098-0-80 LW-098-0-0 LW--0-75 GASKET, Air inlet housing SPACER, Fuel injector FUEL INJECTOR (573-) ELBOW, 5 (fuel injector outlet) WASHER, 5/ plain WASHER, Plain, 3/ O.D. x /3 I.D. x /8 thick NUT, 5/-8 plain WASHER, 5/ lock, internal teeth NOZZLE, Injection (58) MANIFOLD ASSY., Fuel NIPPLE, /8 NPT to / tube ELBOW, Union, 5, /8 tube NIPPLE, Union, /8 NPT NIPPLE, /8 NPT to /8 tube BRACKET, Fuel manifold WASHER, No. 0 internal lock SCREW, No. 0- x / long, fill. hd. WASHER, / lock, internal teeth BOLT, /-0 x / long, hex. hd. TUBE ASSY., Fuel injector line TUBE ASSY., Fuel injector line TUBE ASSY., Fuel injector line CLAMP LW--0-3 CLAMP, /8 dia. for No. 0 screw 5 STD-80 SCREW, No. 0-3 x 5/8 long, fill.. hd. STD-5 WASHER, No. 0 plain 7 STD-70 LOCKNUT, No. 0-3 8 LW-798-S30 HOSE ASSY., / hose straight 9 LW--5-3 CLAMP, 5/8 I.D. x / dia. screw 30 LW-799-S0 HOSE ASSY., 3/8 hose straight 3 7377 ELBOW., 3/8 flared tube, adj. (fuel pump outlet) 3 LW--0-3 CLAMP, /8 dia. for No. 0 screw 33 733 BRACKET, Extension, fuel injector line * Extra gasket, shipped as loose part with engine. ** Requires P/N MS95-08 O-ring. * Requires P/N MS95-0 O-ring. PC-5-C -5 FEBRUARY, 003
AVCO LYCOMING 0-50-KIK5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE 5 9 0 8 3 3 7 8 5 5 7 Figure. FUEL INJECTOR, FUEL MANIFOLD AND INJECTION NOZZLES -
IO-50-KIH5 PARTS CATALOG SUPPLEMENT A Textron Company OIL SUMP AND INDUCTION SYSTEM FUEL INJECTOR, FUEL MANIFOLD AND INJECTION NOZZLES FIG. REF. A PART NUMBER DESCRIPTION QUANTITY PER ASSEMBLY 7303 * 775 3 7903 MS95-0 5 AN99-7 8 9 0 3 5 7 8 9 0 3 5 7 8 9 30 3 3 33 3 35 STD-35 STD-0 STD-75 7583 MS083- STD-8 0G LW-85 739 7395 STD-5 STD-8 LW-098-0-0 LW-098-0-70 LW--0-75 LW--0-3 STD-80 STD-5 STD-70 733 LW-87-S33 735 LW--5-3 STD-80 STD-5 STD-70 LW-0 LW-799-S0 7377 MS95-0 GASKET, Air inlet housing SPACER, Fuel injector FUEL INJECTOR (5-9) "O" RING, 5/3 I.D. x 5/ section REDUCER, Ext. 3/8 flared tube to / tube WASHER, 5/ plain NUT, 5/-8 plain WASHER, 5/ lock, internal teeth MANIFOLD ASSY., Fuel ELBOW, /8 NPT to / flared tube NIPPLE, Union, /8 NPT NIPPLE, /8 NPT to /8 tube NOZZLE, Injection (58) SPACER, Fuel manifold bracket BRACKET, Fuel manifold WASHER, No. 0 internal lock SCREW, No. 0- x / long, fill. hd. TUBE ASSY., Fuel injector line TUBE ASSY., Fuel injector line CLAMP CLAMP, /8 dia. for No. 0 screw SCREW, No. 0-3 x 5/8 long, fill. hd. WASHER, No. 0 plain LOCKNUT, No. 0-3 BRACKET, Extension, fuel injector line HOSE ASSY., / hose, 90 elbow BRACKET, Support clamp CLAMP, 5/8 I.D. x / dia. screw SCREW, No. 0-3 x 5/8 long, fill. hd. WASHER, No. 0 plain LOCKNUT, No. 0-3 ELBOW, 3/8 tubing, 90 swivel nut (fuel inj. inlet) HOSE ASSY., 3/8 hose straight ELBOW, 3/8 flared tube, adj. (fuel pump inlet & outlet) O-RING 0 * Extra gasket, shipped as loose part with engine. PC-5-C -5A FEBRUARY, 003
A Textron Company IO-50-KH5 PARTS CATALOG SUPPLEMENT WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES,,,3,,5 3. 3 7- -3 8 / / 9, 30,3 7 Figure A. FUEL INJECTOR, FUEL MANIFOLD AND INJECTION NOZZLES PC-5-C -A FEBRUARY, 003
AVCO LYCOMINGG 0-50-KK5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE SERVICE KIT SECTION SEAL AND GASKET SET WIDE CYLINDER FLANGE MODELS Part No. 7385- LW-8 LW-795 LW-330 LW-379 LW-0 LW-58 LW-838 LW-8 MS95- MS95-8 STD- STD-3 STD-9 STD-589 STD-05 STD- STD-737 STD-7 9-C 833 73 83 73 793 835 9 955 7055 7057 793 750 78 77 7973 7053 7075 7078 709 70 73 77 7303 73383 Part Name SEAL AND GASKET SET GASKET, Magneto GASKET GASKET, Oil sump SEAL, Crankshaft oil SEAL, Tachometer SEAL, Crankshaft LOCKPLATE, Crankshaft gear SEAL, Shroud tube SEAL SEAL, Oil GASKET, Annular SEAL, Oil (fuel pump drive) GASKET, Annular GASKET GASKET, Annular GASKET, Annular RING SEAL, Oil GASKET, Fuel pump pad GASKET, Vacuum pump GASKET, Oil pressure housing GASKET, Accessory adapter GASKET, Magneto GASKET, Valve rocker shaft cover GASKET, Rocker box cover GASKET, Accessory drive adapter GASKET, Fuel pump adapter GASKET, Accessory pad cover GASKET GASKET, Oil level gage BOX GASKET, Rocker box RING, Oil seal LOCKPLATE, Crankshaft idler gear GASKET, Intake flange GASKET, Governor drive pad SEAL, Oil LOCKPLATE, Cam gear RING, Oil seal GASKET, Air throttle housing RING, Oil seal RING, Oil seal intake pipe GASKET, Air inlet housing LOCKPLATE Qty. 8 7-
AVCO LYCOMING 0-50-KIK5 PARTS CATALOG WIDE CYIINDER FLANGE CRANKCASE MODEL ENGINE SERVICE KIT SECTION SEAL AND GASKET SET (Continued) WIDE CYLINDER FLANGE MODELS Part No. 7385-7388 705 7305 758 7533 750 790 Part Name SEAL AND GASKET SET GASKET, Accessory housing "O" RING, Oil filler plug SEAL, Crankshaft oil GASKET, Exhaust flange "O" RING GASKET SEAL, Crankshaft oil Qty. 7-
AVCO LYCOMING 0-50-KK5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE SERVICE KIT SECTION CYLINDER, PISTON AND RING KIT WIDE CYLINDER FLANGE MODELS Part No. Part Name Qty. LW-585 STD-0 STD-5 STD- STD-95 MS3997-3 MS3998-3 7050 088 LW-8 73 73 793 LW-3 8795 LW-077 795 75 7 78 759 7 LW-70 LW-33 LW-3 73857 7 LW-75 953 LW-007S LW-79 LW-797 LW-993 LW-775 SSP7 388 CYLINDER, PISTON AND RING KIT WASHER BOLT NUT SCREW KEY, Exhaust (rotator type) CAP, Valve stem, exhaust KEY, Valve intake PLUG, Piston pin SEAL, Shroud tube COVER, Valve rocker shaft GASKET, Valve rocker shaft cover GASKET, Rocker box cover SEAT, Valve spring, lower, intake COVER ASSY., Rocker box PIN, Piston BOX, Set up ROCKER ASSY., Exhaust valve ROCKER ASSY., Intake valve SEAL, Cylinder base WASHER, Valve rocker thrust SHAFT, Valve rocker VALVE, Exhaust SEAT, Valve spring, lower VALVE, Intake (small head) RING, Piston, oil regulator (chrome) RING, Piston compression (chrome) SEAT, Valve spring, upper exhaust SEAT, Valve spring, upper intake PISTON, 3 ring SPRING, Valve, outer SPRING, Valve, inner CYLINDER ASSY., Nitrided PLUG, Piston pin TAG CAP 8 7-3
AVCO LYCOMING IO-50-KIK5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE NUMERICAL INDEX PART NO. PART NAME PAGE NO. PART NO. PART NAME PAGE NO. AN55B03H5 AN- AN- AN-3A AN79- AN8- AN900- LW-M-37 LW-M-5 LW-M-55 LW-5-.50 LW-3 H.75 LW-007S LW-0 LW-05 LW-0 LW-0799 LW-73 LW-79 LW-797 LW-8 LW-098-0-3 LW- 098-0-00 LW-098-0-0 LW-098-0-7 LW-3 LW-8 LW-9 LW-9 LW-93 LW-9 LW-95 LW-8 LW-88 LW-707 LW-795 LW-879-S0 LW-993 LW-3039 LW-3077 LW-375--30 LW-35 LW-330 LW-33 LW-33 LW-3 LW-379 LW-3750 LW-379 Set Screw Bolt Bolt Bolt Elbow Nipple Gasket Plate Harness Assy. Harness Assy. Bolt Bolt Piston Gear Gear Assy. Rod Assy. Spacer Clamp Spring Spring Spacer Nut Tube Assy. Tube Assy. Tube Assy. Tube Assy. Cushion Nut Pipe Pipe Pipe Pipe Pipe Gasket Seat Adapter Gasket Hose Assy. Cyl. & Head Assy. Bracket Spring Hose Assy. Oil Filter Gasket Seat Seat Valve Separator Valve - 5-3 5-3 -5-5 -5-3 - - - -5 5-3 3- - - 3- -5-3-5 3-5 -5-5 -5-5 -5-3- -3-3 -3-3 -3-3-3 - - -5 3-3 5-3 3-5 -5 - - 3-5 3-5 3-5 -3-3 Stud - LW-3795 LW-3885 LW-389 LW-393 LW-0 LW-057 LW-00 LW-078 LW-7 LW-0 LW-3 LW-770 LW-80 LW-830 LW-95 LW-557 LW-559-5-05 LW-58 LW--0-3 LW--0-75 LW--5- LW--5-50 LW-75 LW-9 LW-70 LW-878 LW-95 LW-775 LW-7777 LW-8058 LW-800 LW- 80 LW-805 LW-809 LW-80 LW-87 LW-88 LW-85 LW-83 LW-8378 LW-838 LW-8 LW-3930- LW-39370- LW-0037- MS3997-3 MS3998-3 MS5-08 MS08- MS083-D STD-8 STD-8 Shaft Bearing Plug Bushing Shaft Clip Clip Pin Fitting Seal Alternator Gage Assy. Ring Bearing Bearing Starter Clamp Seal Clamp Clamp Clamp Clamp Seat Gear Retainer Valve Adapter Housing Assy. Crankshaft Crankshaft Housing Assy. Housing Assy. Plug Insert Impeller Impeller Assy. Elbow Nut Nozzle Crankcase Assy. Clamp Lockplate Seal Magneto Magneto Clip Key Cap Ring Elbow Elbow -3-5 - 3- - - - 3- -3-3 5- -3-7 -5 3-5- 3-7 -5-5 -5 - -5 3-5 - 3-5 -7-3 -7-7 - - - - -3-3 -3-3 -5 - - -7 3-5 - - - 3-5 3-5 -9-5 3-3 -5-3 8- Revised June, 985
AVCO LYCOMING 0-50-KK5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE NUMERICAI INDEX (Cont.) PART NO. STD-8 STD-8 STD-8 STD-8 STD-8 STD-9 STD-33 STD-33 STD-35 STD-35 STD-35 STD-35 STD-35 STD-35 STD-8 STD-9 STD-8 STD- 0 STD- 0 STD- 0 STD- 0 STD- 0 STD- 0 STD-0 STD- 0 STD- 0 STD-3 STD-5 STD-9 STD-355 STD-5 STD-5 STD-75 STD-75 STD-75 STD-75 STD-5 STD-5 STD-55 STD-557 STD-589 STD-59 STD-70 STD-70 STD-70 STD-78 STD-8 STD-90 STD-9 STD-9 PART NAME Dowel Screw Plug Nipple Seal Gasket Plug Dowel Dowel Plug Dowel Gasket Nut Nut Nut Nut Nipple Screw Screw PAGE NO. - -7 - - -3 - -3-5 -3-5 -7 5-5-3-5 -5 - -5-5 -3 - -7 3-7 - - -3-5 -3-5 -7 - -5-5 -5-7 - 5- - - - - - -3 3-7 - -5-3 3-7 5-3 3-7 - PART NO. STD-9 STD-705 STD-73 STD-78 STD-78 STD-78 STD-798 STD-80 STD-87 STD-87 STD-05 STD- 05 STD-0 STD- STD-5 STD-339 STD-353 STD- 09 STD-0 STD-0 STD-0 STD-0 STD-0 STD- STD- STD- STD- STD- STD- STD- STD-9 STD-9 STD-9 STD-0 STD- STD-88 STD-77 STD-77 STD-737 STD-73 STD-77 STD-77 STD- 838 STD-85 STD-87 STD-87 STD- 875 STD-875 STD-95 PART NAME Screw Pin Plug Plug Plug Dowel Screw Nut Nut Gasket Dowel Bolt Plug Bolt Plug Insert Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Bolt Bolt Bolt Bolt Bolt Nut Bolt Bolt Ring Locknut Pin Dowel Bolt Screw Insert Screw Bolt Bolt Screw PAGE NO. - -3 5-3 - -7 - - -5-5 5-3 -5-7 -3-7 -3 - -3-5 -5-7 - 5- -5-5 - -7 3-7 - -5-5 -5-3 - -3 - - 5-3 -5-3 -5-3 -7 5-3 - 3-3 - - -3 3-7 Revised June, 985 8-
AVCO LYCOMING 0-50-KIK5 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE NUMERICAL INDEX (Cont.) PART NO. PART NAME PAGE NO. PART NO. PART NAME PAGE NO. STD-93 Bolt -3 9 Seal 3-5 STD-09 Bolt - 5007 Retainer - STD-08 Bolt -5 70 Bushing 3-3 STD-090 Nut 3-7 73 Guide 3-3 STD-5 Bolt 5-78 3-5 STD-7 Screw -3 73 Cover 3-7 STD-8 Nut -3 73 Gasket 3-7 STD-80 Hose 3-7 79 Insert 3-3 STD-09 Bolt -7 7 Rocker Assy. 3-5 STD-7 Seal -7 73 Rocker Assy. 3-5 5C-8 Stud 3-3 7 Bushing 3-5 5C-9 Stud - 793 Gasket 3-7 5C-0 Stud - 75 Gear -7 5C- Stud - 7530 Bushing -3 5C- Stud - 75 Bearing - 5C- Stud -7 835 Gasket -7 3C- Stud - 8795 Cover Assy. 3-7 3C- Stud - 959 Adapter Assy. -3 3C- Stud 3-3 9 Gasket -3 3C-3 Stud - 953 Seat 3-5 3C- Stud - 979 Dowel - 3C- Stud -3 7055 Gasket - 3C-9 Stud - 7057 Gasket -3 3C- Stud - 707-3 3CD-7 Stud - 78 Ring 3-7 38-3 Stud - 759 3-5 38-5 Stud - 759-7 38- Stud - 70 Hook 3-7 38- Stud - 7 Retainer 3-7 38D-7 Stud - 7 Gear Assy. -3 50-5 Stud - 77 Lockplate -3 383-B Nut 3-7 78 Gear Assy. -3 08-B Ball -5 775 Adapter Assy. -7 0 Plug - 789 Seat 3-3 0 Plug - 7903 Bushing -7 0 Plug - 7907-7 0 Plug -3 7973 Gasket -3 8-J3 Spark Plug - 7050 Key 3-5 833 Gasket -7 709 Ring -5 0 Screen -3 755 Bushing -7 030 Cover -7 758 Bushing - 0803 Strap -3 77 Pipe - -5 78 Pipe - 088 Plug 3-79 Pipe - 095 Plug -7 779 Stud - 08 Spring -5 70 Gasket -3 503 Sleeve 3-5 7 Shaft -3 Gasket - 755 Tube Assy. 3-5 388 Cap 3-5 733 Cover - 7 Plug -7 733 Stabilizer 3-3 8-3 Revised June, 985
AVCO LYCOMING 0-50-KIK5 PARTS CATALOG NUMERICAL INDEX (Cont.) WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE PART NO. PART NAME PAGE NO. PART NO. PART NAME PAGE NO. 73 75 7 770 7703 770 77 785 783 7877 7958 790 79 797 73000 7307 7303 733 739 7350 735 735 73383 7355 735 7357 7358 73 7377 7380 7388 73857 705 7 733 730 79 Stabilizer Gear Shaft Tube Assy. Tube Assy. Insert Ring Bracket Cover Body Baffle Plug Gear Assy. Shaft Gear Assy. Coupling Tube Assy. Gasket Bracket Lockplate Rod Assy. Rod Assy. Rod Assy. Rod Assy. Counterweight Nozzle Assy. Bushing Gasket Ring "0" Ring Ring Strut Flange Plate 3-3 -7 3-5 3-7 3-7 - -3-3-7-5 - - -7-3 - 3-7 -5-5 - - - - 5-3 3-5 3-5 3-5 3-5 -7 - -7-3- -3 3-5-3-3 3-7 7 7887 75009 7500 75338 75380 757 7557 755 7557 7575 75838 759 70 78 78 755 70 730 78 750 759 753 773 7787 7788 7789 77309 77579 7785 7787 7790 7890 7838 785 7853 789 0-9873-30 0-9879-3 Shaft Spacer Bracket Bolt Baffle Assy. Link Nipple Fuel Injector Bushing Bushing Extension Guide Valve Assy. Belt Spacer Camshaft Shaft Assy. Stud Elbow Pump Gasket Plug Shim Zip Strap Roller Roller Bracket Bushing Support Assy. Base Assy. Bushing Spacer Plunger Assy. Pin Socket Body Assy. Manifold Assy. Nut Lockwasher -3 3-7 -5 3-3-7 5-3 -5-5 -7-7 -3 3-3 - 5- -9-9 -9-5 -5-5 - -5 5-3 - -7-7 -3-3 -7 - - 3-7 3-5 -9 3-5 -3-5 - - Revised June, 985 8-
PARTS SUPERSEDURES FOR PC-5- IO-50-KK5 PARTS CATALOG FIGURE REFERENCE Figure Figure OLD PART NUMBER LW-83 CRANKCASE ASSY. 7789 MOUNTING BRACKET NEW PART NUMBER superseded. F00-S by CRANKCASE ASSY. superseded by- A9770 MOUNTING BRACKET Figure 3 STD-05 GASKET superseded by 0E979-.5 GASKET Figure 3 759 PLUG superseded by 77808 VALVE ASSY. Figure LW-7777 CRK. & CWT. ASSY. replaced by 05K37777 KIT Figure Figure Figure Figure Figure Figure 5 Figure 5 LW-775 CRKSHFT & PLUG 73 COUNTERWEIGHT ASSY. 7787 ROLLER 75 CRANKSHAFT GEAR 77579 SUPPORT ASSY. 78 CAMSHAFT 7838 PIN superseded 3F3777 by CRKSHFT A BUSHING superseded LW-90 COUNTERWEIGHT by ASSY. superseded by 738 ROLLER superseded 3S97 CRANKSHAFT by GEAR superseded LW-7 by SUPPORT ASSY. superseded LW-930 by CAMSHAFT ASSY. superseded LW-87 by PIN Figure 5 MS5-08 RING superseded by STD-3 RING Figure 8 STD-09 NUT superseded by STD-9 NUT Figure 0 STD-0 BOLT superseded by LW-5-0.9 BOLT Figure 0 Figure 0 Figure Figure Figure Figure Figure Figure Figure 5 Figure STD-9 BOLT STD-93 BOLT 759 VALVE ASSY. LW-0 CONN. ROD ASSY. 7500 BOLT LW-95 BEARING 73857 RING 088 PISTON PLUG 789 SEAT MS3997-3 KEY supersede LW-5-.3 by BOLT superseded LW-5-.88 by BOLT superseded 53E by VALVE ASSY. LW-933 CONN. ROD ASSY. replaced LW-59 by BOLT superseded 8N939 by BEARING superseded by H950 RING 798 PISTON PLUG superseded by T98 SEAT superseded by 7C9 KEY --
PARTS SUPERSEDURES FOR PC-5-.. IO-50-KK5 PARTS CATALOG FIGURE REFERENCE Figure OLD PART NUMBER MS3998-3 CAP superseded by 7C938 CAP NEW PART NUMBER Figure 785 SOCKET superseded. by. 5B39 SOCKET Figure LW-3077 SPRING 5H0 SPRING Figure Figure 9 SEAL 7355 ROD ASSY. superseded by * superseded by by? LW-8 SEAL 5F9957-55 ROD ASSY. Figure 735 ROD ASSY. superseded by 5F9957-5 ROD ASSY. Figure 7357 ROD ASSY. 5F9957-57 ROD ASSY. Figure 7358 ROD ASSY. 5F9957-58 ROD ASSY. Figure 73 ROCKER ASSY. superseded by superseded by 7F8 ROCKER ASSY. Figure 7 BUSHING 7389 BUSHING Figure Figure 7 7 ROCKER ASSY. 73 COVER superseded 'by by 7F85 ROCKER ASSY. 770 COVER Figure 9 70 BELT superseded by superseded by 37A9773-37 BELT Figure LW-3039 BRACKET 07A97 BRACKET Figure STD-838 BOLT superseded by LW-3-0.9 BOLT Figure 733 STRUT superseded by 07F38 STRUT Figure LW-330 GASKET superseded by 0B3 GASKET Figure LW-8058 HOUSING ASSY. superseed'-by 5A9-05 HOUSING ASSY. Figure 733 COVER LW-89 COVER Figure STD- BOLT LW-5-.00 BOLT Figure STD-88 BOLT LW-5-.00 BOLT Figure STD-589 GASKET 0E979-0.9 GASKET Figure STD-875 BOLT LW-5-0.8 BOLT Figure STD-9 BOLT LW-5-.3 BOLT Figure 3 STD-5 BOLT LW-5-.5 BOLT --
PARTS SUPERSEDURES FOR PC-5-.. IO-50-KK5 PARTS CATALOG REFERENCE Figure 3 OLD PART NUMBER STD-875 BOLT superseded by LW-5-0.8 BOLT NEW PART NUMBER -3-