TEXTRON AIRCRAFT ENGINES I Lycoming 0-360-B20 Wide Cylinder Flange Crankcase Model Engines PARTS CATALOG PC-306-7 :~:s(IllI i': iijiliiiid~ r~e: I II II I II Li~8SiLI ''il' 0 II ,I II 83i xil ai I SEPTEMBER 1994 Lycoming Reciprocating Epgine Dlvisionl 652 Oliver Street Subsidiary of Textron Inc. Williamsport, PA 17101 U.S.A. j IliCCI~T·I:I Lycoming 0-360-BZC PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES 0-360-B2C wide This illustrated parts catalog contains a complete parts listing fortheTe~ctron Lycoming cylinder flange crankcase model aircraft engines. sections in the Major assembly and sub-assembly parts of the engines are listed in the Group Assembly gen- eral 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. known. The Numerical Index is provided for convenience in finding parts when only the part number is be found in the Parts coverage of Vendor Accessories used on Textron Lycoming engines may appropriate latest edition of Vendor's Parts Catalog. A list of addresses of where to obtain these publications appears in the Service Letter No. L114. NOTE The illustrations, pictures and drawings shown in the 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 identifica- installation document. tion only. Under no circumstances shall this catalog be used as an assembly or number Any reference in this document to a suppliers/parts manufacturer's product, by name, trademark, part and does not indicate or infer that Textron Lycoming or other description is solely for the purposes of identification Textron accepts responsibility for quality control and/orairworthiness of parts which do not pass through the Lycoming quality control system. All Textron Lycoming Reciprocating Engine Division publications will bear thecopyrightnotice O TextronLycoming 1986,"AllRights Reserved", and all Textron Lycoming publications are to be considered copyrighted and may not be reproduced without permission of the company. SERVICE BULLETINS, INSTRUCTIONS AND LETTERS Although the information contained in this parts catalog is up-to-date at time of publication, users are advised from the to procure current information through all Textron Lycoming distributors or factory by subscription. Consult the latest edition of Service Letter No. L114 for subscription information. HOW TO ORDER PARTS correct In ordering parts for your engine, observe the following instructions which willexpedite shipment of parts required without delay. a. Always specify the model and serial number of your engine. b. Always specify part number, nomenclature and quantity required. Lycoming 0-360-B2C PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES TABLE OF CONTENTS SECTION PAGE Introduction Table of Contents Oversize and Undersize Parts Listing iii 1. CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP Crankcase Assembly 1_1 Oil Level Gage Assembly and Crankcase Related Parts 1-3 Crankshaft Assembly and Related Parts 1,5 Crankshaft Idler Gears, Tachometer Drive and Camshaft 1-7 Crankcase Attaching Parts 1-9 2. ACCESSORY HOUSING AND RELATED PARTS Accessory Housing Assembly 2-1 Oil and Pump Accessory Housing Attaching Parts 2-3 Fuel and Pump Prop. Govemor Drive Cover 2,5 Vacuum Pump Drive and Cover 2,7 Oil Filter Assembly, Oil Cooler Bypass Valve and Breather Fitting 2-~ 3. CYLINDER, PISTON AND VALVE TRAIN Connecting Rods, Pistons and Ring Assemblies 3-1 Cylinder Assembly 3-3 Related Cylinder Parts 3_5 Valve Assembly 3_7 Head Cylinder Drain Tubes, Intercylinder Cooling Baffles and Rocker Box Covers 3-g 4. IGNITION SYSTEM Magnetos, Drives, Hamesses and Spark Plugs 4_1 5. ELECTRICAL SYSTEM Prestolite Starter and Attaching Parts 5,1 Textron Lycoming Lightweight Starter and Attaching Parts 5-2 Altemator and Belt Assembly 5-3 Altemator and Mounting Attaching Parts 5-5 6. OIL SUMP AND INDUCTION SYSTEM Oil and Oil Sump Assembly Suction Screen 6,1 Intake and Pipes Attaching Parts 6_3 Carburetor Assembly 6-4 Priming System 6-5 7. SERVICE KIT SECTION 7_1 8. NUMERICAL INDEX 8_1 ri~ i~1:I Lycoming 0360-B2C PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES Oversize and Undersize Parts Listing Undersize Part No. Description Oversize P02 P05 P10 P15 P20 P30 P40 P50 M03 M06 M10 .002 .005 .010 1 .015 1 .020 1 .030 1.040 .050 .003 .006 .010 See LatestEdition of Service instruction No.12~ See Latest Edition of Service !ns~uction No. 1256. See Latest Edition of Service Ins~uction No. 1324. See Latest Edi~on of Service Ins~uction No. 1324. See LatestEdition of Service Inseuction No. 1377. X X 18A19441 BEARING X X Also available in P10 oversize. In addition to the above, studs are available in P03, P07 P12. 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-13884 in.003 undersize, order part number LW-13884-M03. Oversize code letter is "P" while undersize code letter is size in "M". These letters are then followed by the number designating the thousandths of an inch. SECTION C RAN KCAS E, C RAN KS HAFT AN D CAMSHAFT GROUP Lycoming 0-360-B2C PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP CRANKCASE ASSEMBLY FIG. QTY. REF. PART PER 1 NUMBER DESCRZPTION ASSY. 14 STD-1339 PLUG, 1/16-27 NPT, Alien head 4 NOTE This part is not available as a service item. Refer to Service Kits, Section 7, for applicable Crankcase Assembly and Governor Stud Kit Part Number. 1-1 L i ~C itT~:l Lycoming 0-360-B2C PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES 6 '7 1) r-l 3 I ~7 O ~e 13 \(lle a(8 I, /13 5 ,n 9 13 Figure i. CRANKCASE ASSEMBLY 1-2 0-360-B2C PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP OIL LEVEL GAGE ASSEMBLY AND CRANKCASE RELATED PARTS FIG. QTY. REF. PART PER 2 NUMBER DESCRIPTION ASSY. 4 -16783- ief v 7* 1 -18085* P v 69- x3 2 n 1 O 8 n 7 14 72877 BODY, draulic 8 Select spring to give a minimum of three threads exposed on adjusting screw to allow field adjustment. Reference latest revision of Textron Lycoming Table of Limits SSP-1776, Part I for spring identification. See latest edition of Textron Lycoming Service Instruction No. 1324 for installation. 1-3 riscitr~:l Lycoming 0-360-B2C PARTS CATAU)G WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES ch;;`·\ 147 13 _1 I I, jj C' cJr ib/ ,~?·r· P:, ·I I II, i \~\I d~c·, ··;--,-'·X~ 1: `z 9~ a ii ;111~ 5' i, 12 r,i5 i 4 3 j III I -·i ,-c~,4 -,I ~--\s Figure 2. OIL LEVEL GAGE ASSEMBLY AND CRANKCASE RELATED PARTS 1-4 Lycoming 0-3M)-BZC PARTSCATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP CRANKSHAFT ASSEMBLY AND RELATED PARTS FIG. QTY. REF. PART PER 3 NUMBER DESCRrPTION ASSY. 12 72566 GEAR, Starter ring 1 See latest edition of Textron Lycoming Service Bulletin No. 475 for proper installation. 1-5 LlrrCirT·l:llycoming 0-360-B2C PARTSCATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES 2 1 ~i 37 No. 1 87 CRAN KPIN 6 9 4 6 1"? INDEX 6 5 Figure 3. CRANKSHAF~ ASSEMBLY AND RELATED PARTS 1-6 Lycoming 0-360-B2C PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP CRANKSHAFT IDLER GEARS, TACHOMETER DRIVE AND CAMSHAFT FIG. QTY. REF. PART PER 4 NUMBER DESCRIPTION ASSY. 1 61544 PL F 1 2 74996 Y 1 3 lai 1 4 75072 1 5 77309 B i 6 21 YT 7 L -18667 P x 2-21 1 TD- r 1 10 TD- 7 5/16-18 x 7 h 11 2168 5/16-18 -3 1 13 76118 SPACER, Tech. shaft centering 1 1-7 Lycoming OJ6082C PARTS CATAU)G WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES 12 ,I_ I, I\ 'J 'r 'L/ ~I LI Il II· II r\ I I~-- ·,,I I I\ I' I~ul II I~ r I II 9st, I (I v I \4 I i' C I I I I-' lr-I I I 'I f ~I 'I ~I I I I -I ._I (I 'I ,I I I \e I J/ I ~·I II 1"1 I ,I I i. Il I, g c~ \e r I .I i t. c Figure 4. CRANKSHAPT IDLER GEARS,TACHOMETER DRIVE AND CAMSHAFT 1-8 Lycoming 0-360-BZC PARTSCATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP CRANKCASE A?TACHING PARTS FIG. QTY. REF. PART PER 5 NUMBER DESCRIPTION ASSY. 18 76220 STUD. 1/2-20 x 10-45/64 1 4 1-9 Ci~ Lycoming 0-300020 PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES 1,2,6,7 3 2,4,6,7/ i 14,15,16,17 1 )-18 2,5,6--W \L_l 12,6,7 ~-8,9,10 Figure 5. CRANKCASE ATTACHING PARTS 1-10 SECTION ACCESSORY HOUSING AND RELATED PARTS CCmFr~ Lycoming 0-360-B2C PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES ACCESSORY HOUSING AND RELATED PARTS ACCESSORY HOUSING ASSEMBLY FIG. QTY. REF. PART PER 6 NUMBER DESCRIPTION ASSY. 3 -22 0 4 17 5 8 2-1/8 ill 3 8 STD-784 PLUG, 3/8-18 NPT, Alien head 1 2-1 Lycoming 0-360-B2C PARTS CATALOG WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES 9d r3 LII ·a ~·I-· 5 O 7 A 6 1), ,r I~ i, i~L Figure 6.