3508C, 3512C and 3516C Marine Engines Engine Oil Cooler - Disassemble Caterpillar


Engine Oil Cooler - Disassemble
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1.1. Disassembly Procedure

Disassembly Procedure

Start By:

  1. Remove the engine oil cooler. Refer to Disassembly and Assembly, "Engine Oil Cooler - Remove".


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.




    Illustration 1g01135749

  1. Remove bolts (7). Remove elbow (6). Remove gasket (8) from the elbow.

  2. Remove tube (4) from elbow (6). Remove O-ring seals (5) from tube (4).

  3. Remove the bolts and cover (9) from elbow (6). Remove the gasket from the elbow.

  4. Place an identification mark on oil cooler bonnet (3) and on engine oil cooler core (1) for assembly purposes. Remove bolts (10) and remove oil cooler bonnet (3) from engine oil cooler core (1). Remove gasket (2) from the engine oil cooler core.


    Illustration 2g01135795

  5. Place an identification mark on oil cooler bonnet (14) and on engine oil cooler core (1) for assembly purposes. Remove bolts (13) and remove oil cooler bonnet (14) from engine oil cooler core (1). Remove gasket (16) from the engine oil cooler core.

  6. Remove bolts (11) and elbow (12) from the engine oil cooler bypass. Remove the O-ring seals from the elbow.

  7. Remove cover (17) and the O-ring seal.

  8. If necessary, remove drain plug (15) and the O-ring seal.

  9. Thoroughly clean the tubes in the engine oil cooler core.


    Illustration 3g01135796

    ------ WARNING! ------

    Personal injury can result from parts and/or covers under spring pressure.

    Spring force will be released when covers are removed.

    Be prepared to hold spring loaded covers as the bolts are loosened.


  10. Remove bolts (22), cover (21), O-ring seal (18), spring (19), and bypass valve (20) from elbow (12).

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