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  • TEXTRON Lycoming AIRCRAFT ENGINES

    10-360-L2A

    Wide Cylinder Flange Crankcase Model Engine

    PARTS CATALOG

    PC-306-~ 2

    MAY 1996

    Lycomlng

    652 Oliver Street

    Wiiliamsport, PA 17701 U.S.A.717/323-6181

  • Lycoming

    652 Oliver Street

    Williamsport,PA 17701 U.S.A.7171323-6181 TECHNICAL

    PUBLICATION REVISION

    REVISION No. I PUBLICATION PUBLICATION No. PUBLICATION DATEIO-360-L2A

    PC-306-1 2A~ Engines PC-306-12 MAY, 1996

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

    Previous revisions to this publication This revision consists of:

    None September, 1998

    Page 1-9

    Figure 5. Text ChangePage 1-10

    Figure 5. Illustration ChangePage 3-9

    Figure 15. Text ChangePage 5-3

    Figure 19. Text Change

  • IO-360-L2A PARTS CATALOG

    WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES

    This illustrated parts catalog contains a complete parts listing for the Textron Lycoming IO-360-L2A wide cylinderflange crankcase model aircraft engines.

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

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

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

    Parts coverage of Vendor Accessories used on Textron Lycoming engines may be found in the appropriate Vendor sParts Catalog. A list of addresses of where to obtain these publications appears in the latest edition of Service LetterNo. L114.

    NOTE

    The illustrations, pictures and drawings shown in the publication are typical of the subgectmatter 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 orother description is solely for the purposes ofidentification and does not indicate or infer that Textron Lycoming acceptsresponsibility for quality control and/or airworthiness ofparts which do not pass through the Textron Lycoming qualitycontrol system.

    All Textron Lycoming publications will bear the copyright notice O TextronLycoming 1986, "All Rights Reserved", and all Textron Lycoming publicationsare to be considered copyrighted and may not be reproduced without permissionof 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 to

    procure current information through all Textron Lycoming distributors or from the factory by subscription. Consult thelatest edition of Service Letter ~o. L1 14 for subscription information.

    HOW TO ORDER PARTS

    In ordering parts for your engine, observe the following instructions which will expedite shipment of correct partsrequired without delay.

    a. Always specify the model and serial number ofyour engine.

    b. Always specifl part number, nomenclature and quantity required.

  • IO-360-L2A. PARTS CATALOG

    WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES

    TABLE OF CONTENTS

    SECTION PAGE

    Introduction i

    Table ofContents i n

    Oversize and Undersize Parts Listing iii

    1, CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP

    Crankcase Assembly 1-1Oil Level Gage Assembly and Crankcase Related Parts 1-3Crankshaft Assembly and Related Parts 1-5CrankshaftIdlerGears, TachometerDrive andCamshaft 1-7

    Crankcase AttachingParts 1-9

    2, ACCESSORY HOUSING AND RELATED PARTS

    Accessory Housing Assembly 2-1

    Oil Pump and Accessory Housing Attaching Parts 2-3Fuel Pump and Propeller Governor Drive Cover 2-5Vacuum andHydraulicPump Drives andCovers 2-7Oil FilterAssembly, Oil Cooler Bypass Valve and BreatherFittings 2-9

    3, CYLINDER, PISTON AND VALVE TRAIN

    ConnectingRods, Pistons andRingAssemblies 3-1

    CylinderAssembly 3-3

    CylinderRelatedParts 3-5Valve Assembly 3-7

    Cylinder Head Drain Tubes, Intercylinder Cooling Baffles and Rocker Box Covers 3-9

    4. IGNITION SYSTEM

    Magnetos, MagnetoDrives, Harnessesand SparkPlugs 4-1

    5. ELECTRICAL SYSTEM

    Prestolite StarterandAttaching Parts 5-1Lamar Starter and Attaching Parts 5-2Alternator Mounting andAttaching Parts 5-3

    6. OIL SUMP AND INDUCTION SI;ISTEM

    Oil SumpAssemblyandOil SuctionScreen 6-1Intake Pipes andAttachingParts 6-3Fuel Injector, Fuel Manifold and Brackets 6-5Fuel Lines, FuelHoses andAttachingParts 6-7

    7. SERVICEKITSECTION 7-1

    8. NUMERICALRNDEX 8-1

  • IO-360-L2A PARTS CATALOG

    WIDE CYLINDER FLANGE CRATJKCASE MODEL ENGINES

    OVERSIZE AND UNDERSIZE PARTS LISTING

    Part No. Description OVERSIZE UNDERSIZEP02 P05 P10 P151P20 P30 P40 P50 M03 M06 M10

    .0021 .005 .010 .0151.0201 .0301 .0401 .050 .003 .006 .010

    See Latest Edition of Service Instruction No. 1256.61681 GUIDE

    66610 B HING X X

    66796 INSERT X

    69796 DOWEL X

    2 7 SEAT X X X X

    72 8 SEAT X X X

    72155-S BUSHING X X X X

    74230 GUIDE See Latest Edition of Service Instruction No. 1256.

    75656-S BUSHING X X X X

    75657-S BUSHING X X X X

    LW-11997 SEAL See Latest Edition of Service Instruction No. 1324.

    LW-13521 BEARIN X X" X" X"

    LW-13792 SEAL See Latest Edition of Service Instruction No. 1324.

    LW-13884 BEARING X XIX X

    LW-1671 EARING X X X X

    18A19441 BEARING X X 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 requiredoversize and undersize dimension along with the proper part number. Forexample, to order bearing LW-13884 in.003 undersize, order part numberLW-13884-M03. Oversize code letter is "P" while undersize code letter is

    "M". These letters are then followed by the number designating the size inthousandths ofan inch.

    ni

  • SIECTION

    CRAN KCASE,C RAN KSHAFT AN D

    CAMSHAFT GROUP

  • IO-360-L2A PARTS CATAI~OGWIDE CVLINDER FLANGE CRANKCASE MODEL ENGINES

    $*rCRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP

    CRANKCASE ASSEMBLY

    FIG QTY.REF. PART PER

    1 NUMBER DESCRIPTION ASSY.

    LW-1 LY 1

    2 1 -1 2

    50-15 1/2-13 x 1-7/8 8

    4 13 16x 1 19

    5 17 3/8-1 x2- 1 1

    6 31C-12 STUD. 5/ 1 1-1 1 2

    7 -13 5/16-18x 1-5/8 1 1

    9 557 DOWEL. 1/2 1 hollow 2

    10 514 5/16 dia. x 1/21 2

    11 20 Helicoil x 3 2

    12 LW-13 STUD. 5/16-1 :x 6 drilled 1

    13 i 69796 i DOWEL. Crankshaft bearing; i 2:I

    4 11 L

    15 STD-1339 PLUG, 1/16-27 NPT, Alien head 1

    This crankcase assembly 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

  • Lycoming IO-360-L2A PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES

    15 r14

    126

    14 o

    e

    14

    57~ r10

    o

    1

    3

    Figure i. CRANKCASE ASSEMBLY

    1-2

  • Lycoming I0360-L2A PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES

    CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPOIL LEVEL GAGE ASSEMBLY AND CRANKCASE RELATED PARTS

    FIG QTY.REF. PART PER

    2 NUMBER DESCRIPTION ASSY.

    1

    14 72877 BODY, Hydraulic tappet 8

    Select spring to give a minimum of three threads exposed on adjusting screw to allow field adjust-ment. Reference lastest revision of Textron Lycoming Table of Limits SSP-1776, Part I for springidentification.

    See latest editon of Textron Lycoming Service Instruction No. 1324 for installation.

    1-3

  • ~:I Lycoming IO-360-L2A PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES

    14

    13

    o006 a"

    8

    ~o

    3

    5s

    8

    4

    IP

    Figure 2. Oil LEVEL GAGE ASSEMBLY AND CRANKCASE RELATED PARTS

    1-4

  • IO-360-L2A PARTS CATALOG

    WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES

    CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUPCRANKSHAFT ASSEMBLY AND RELATED PARTS

    FIG QTY.REF. PART PER

    3 NUMBER DESCRIPTION ASSY.

    1 13B27121 CRANKSHAFT AND BUSHING ASSEMBLY 1

    2 STD-121I PLUG. 2.00 dia. on 1

    3 75656-S BUSHING e. lo 4

    4 72155-S BUSHING e. short 1

    5 75657-S BUSHING lier e 1

    6 13S19646* G Crankshaft 1

    7 LW-18639 LOCKPLA Crankshaft 1

    8 STD-2213 /16-24 x 1.00 1

    9 31M22045 SUPPORT ASSY.. Starter ri 12/14 itch 1

    10 72566 GEAR, Starter ring 1

    See latest edition of Textron Lycoming Service Bulletin No. 475 for proper installation.

    1-5

  • Lycoming I0360-L2A PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES

    10

    1 d

    2

    No. 1CRANKPINI ~-3

    INDU(

    Figure 3. CRANKSHAFT ASSEMBLY AND RELATED PARTS

    1-6

  • IIS;CI~TII:I Lycoming I0;360-L2A PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES

    CRANKCASE, CRAM(SHAFT AND CAMSHAFT GROUPCRANKSHAFT IDLER GEARS, TACHOMETER DRIVE AND CAMSHAFT

    FIG QTY.REF. PART PER

    4 NUMBER DESCRIPTION ASSY.

    13 76118 SPACER, Tach. shaft centering 1

    1-7

  • Lyeoming IO-360-L2A PARTS CATALOGWIDE CYLINDER FLANGE CRANKCASE MODEL ENGINES

    12

    13

    8

    II~ O

    2 O

    o

    3

    10

    g

    Q

    3o

    o

    1 o

    10

    5 ~4

    Figure 4. CRANKSHAFT IDLER GEARS, TACHOMETER DRIVE AND CAMSHAFT

    1-8

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