C6.6 Industrial Engine Crankcase Breather - Remove Caterpillar


Crankcase Breather - Remove
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1.1. Removal Procedure

Removal Procedure


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.



NOTICE

When disconnecting and connecting the plastic tube assemblies for the crankcase breather system, the plastic tube assemblies should not be twisted. Twisting of the plastic tube assemblies will result in the seals being damaged. Damaged to seals will result in leakage.




    Illustration 1g02163113


    Illustration 2g02163114

  1. Cut cable strap (2) from plastic tube assembly (3).

  2. Remove plastic tube assembly (3) from breather canister (1) and the valve mechanism cover.

  3. If necessary, cut the cable straps in order to remove plastic tube assembly (4) from breather canister (1).

  4. Remove plastic tube assembly (5) from breather canister (1) and adapter (6) in the cylinder block.

  5. Remove bolts (7) and remove breather canister (1) from the cylinder head.


    Illustration 3g02163115

  6. Remove bolt (8) and remove valve (6) from the cylinder block.

  7. Remove O-ring seal (9) from valve (6).


    Illustration 4g02163116

  8. If necessary, follow Step 8.a through Step 8.e in order to disassemble the breather canister.

    1. Remove bottom cap (14) from breather canister (1).

    2. Remove seal (13) from bottom cap (14).

    3. Remove filter element (12) from breather canister (1). Refer to Operation and Maintenance Manual, "Engine Crankcase Breather Element - Replace" for the correct procedure.

    4. Remove top cap (10) from breather canister (1).

    5. Remove seal (11) from top cap (10).

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