3176C and 3196 Marine Engines Caterpillar

Installation Procedure

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Illustration 1	g00516006
Typical example

1. Install Tool (A) .

   Note: Ensure that camshaft (2) and Tool (A) are clean. Apply clean engine oil to the lobes and journals of camshaft (2) and Tool (A) .

Note: During installation of camshaft (2), rotate the camshaft in both directions in order to prevent binding in the camshaft bearing bores.

2. Carefully install camshaft (2) in the engine.

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NOTICE
When installing the camshaft, make sure the number one cylinder is at top center of the compression stroke with the timing bolt installed in the flywheel. The camshaft timing is very important. The timing mark on the camshaft drive gear must line up with the timing mark on the idler gear. Refer to the Specifications Manual for more information.

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Illustration 2	g00516008

3. Ensure that the timing marks on the following gears are aligned: the camshaft drive gear, the idler gear and the crankshaft gear.

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Illustration 3	g00516004

4. Install thrust pin (1). Tighten thrust pin (1) to a torque of 28 ± 7 N·m (20 ± 5 lb ft). Remove the wires that were used to hold the valve lifters.

End By:

1. Install the front cover.
2. Install the rocker arms and the push rods.