C4.4 Marine Generator Set Engines Caterpillar

Removal Procedure

Start By:

1. Remove the rocker shaft assembly and the pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Remove".

2. Remove the front housing. Refer to Disassembly and Assembly, "Housing (Front) - Remove".

1. Turn the engine upside-down so the valve lifters are held in a position away from the camshaft.
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   Illustration 1	g00951938

2. Remove thrust washer (1). Make a note of the location of hollow dowel (2) for installation purposes.
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   Illustration 2	g00951934

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   NOTICE
   Do not damage the lobes or the bearings when the camshaft is removed or installed.

3. Carefully remove camshaft (3) from the cylinder block.

Installation Procedure

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Illustration 3	g00951934

Note: Ensure that the camshaft is clean. Lubricate the camshaft with clean engine oil prior to installation.

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NOTICE
Do not damage the lobes or the bearings when the camshaft is removed or installed.

1. Carefully install camshaft (3) in the cylinder block.
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   Illustration 4	g00951938

2. Position thrust washer (1). Make sure that thrust washer (1) is aligned with hollow dowel (2).

End By:

1. Install the front housing. Refer to Disassembly and Assembly, "Housing (Front) - Install".

2. Install the rocker shaft and the pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrods - Install".