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


Rocker Shaft - Assemble
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1.1. Assembly Procedure

Assembly Procedure


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.


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

  1. Ensure that all components are clean and free from wear and damage. Refer to Specifications, "Rocker Shaft" for more information. If necessary, replace any components that are worn or damaged.

  2. Lubricate all the bores of rocker arm assemblies (7) for the inlet valve and rocker arm assemblies (8) for the exhaust valve with clean engine oil. Lubricate rocker shaft (6) with clean engine oil.


    Illustration 1g02725468

  3. Position support (9) on the right end of rocker arm shaft (6) and install pin (11).


    Illustration 2g06045046

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

    Improper assembly of parts that are spring loaded can cause bodily injury.

    To prevent possible injury, follow the established assembly procedure and wear protective equipment.


  4. Install rocker arm assembly (7) for the exhaust valve and support (9) on the right side of the rocker arm shaft (6).

  5. Install retaining washer (10) on the right end of rocker arm shaft (6). Install the two washers and bolt (5).

  6. Install rocker arm assembly (8) for the inlet valve on the left side of the rocker arm shaft (6).

  7. Install spring (4). Install rocker arm assembly (7) for exhaust valve on rocker shaft (6). Install support (3). Install rocker arm assembly (8) for inlet valve to rocker shaft (6).

  8. Install spring (4). Install rocker arm assembly (7) for exhaust valve on rocker shaft (6). Install support (2). Install rocker arm assembly (8) for inlet valve to rocker shaft (6).

  9. Install spring (4). Install rocker arm assembly (7) for exhaust valve on rocker shaft (6). Install support (1). Install rocker arm assembly (8) for inlet valve to rocker shaft (6).

  10. Install retaining washers (10) on the left end of rocker arm shaft (6). Install the two washers (10) and bolt (5).

End By:

  1. Install the rocker shaft and pushrods.

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