C2.4 Tier 4 Final Engines for Caterpillar Built Machines Rocker Shaft - Disassemble Caterpillar


Rocker Shaft - Disassemble
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1.1. Disassembly Procedure

Disassembly Procedure

Start By:

  1. Remove the rocker shaft and pushrods.


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.


  1. Make an identification mark on each rocker arm assembly to show the location.

    Note: The components must be reinstalled in the original location. Do not interchange components.



    Illustration 1g06045046

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

    Personal injury can result from being struck by parts propelled by a released spring force.

    Make sure to wear all necessary protective equipment.

    Follow the recommended procedure and use all recommended tooling to release the spring force.


  2. On the left end of rocker shaft (6), remove bolts (5) and three washers (10).

  3. Remove rocker arm assembly (7) for the inlet valve from rocker shaft (6). Remove support (1). Remove rocker arm assembly (8) for the exhaust valve from rocker shaft (6). Remove spring (4).

  4. Remove rocker arm assembly (8) for the inlet valve from rocker shaft (6). Remove support (2). Remove rocker arm assembly (7) for the exhaust valve from rocker shaft (6). Remove spring (4).

  5. Remove rocker arm assembly (8) for the inlet valve from rocker shaft (6). Remove support (3). Remove rocker arm assembly (7) for the exhaust valve from rocker shaft (6). Remove spring (4).

  6. Remove rocker arm assembly (8) for the inlet valve from rocker shaft (6).

  7. On the right end of rocker shaft (6), remove bolt (5) and three washers (10).

  8. Remove rocker arm assembly (8) for the exhaust valve and support (9) from right side of rocker shaft (6).


    Illustration 2g02725468

  9. Rotate rocker arm shaft (6) and support (9). Remove pin (11). Remove support (9).

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