C12 Marine Engines Lifter Group - Remove and Install Caterpillar


Lifter Group - Remove and Install
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1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure

Start By:

  1. Remove the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Remove".


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.


  1. Place identification marks on the lifter assembly for installation.



    Illustration 1g01109091

  1. Remove bolts (1) and lifter assembly (2) .



    Illustration 2g01109092

  1. Remove the following items from lifter shaft (3) : bracket assemblies (4), valve lifters (5) and unit injector lifters (6) .

Installation Procedure


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.





    Illustration 3g01109092

  1. Lubricate the lifter shaft with clean engine oil prior to assembly.

  1. Install the following items on lifter shaft (3) : bracket assemblies (4), valve lifters (5) and unit injector lifters (6) .



    Illustration 4g01109091

    Note: Immerse the entire lifter assembly in clean engine oil prior to installation on the engine.

  1. Place lifter assembly (2) on the engine and install bolts (1). Tighten the bolts to a torque of 30 ± 3 N·m (22 ± 2 lb ft).

End By: Install the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Install".

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