C7.1 Marine Engine Caterpillar

Removal Procedure

Start By:

1. Remove the front housing.

2. Remove the engine oil pump.

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Illustration 1	g02048917

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Illustration 2	g02049073

1. Use Tooling (A) to remove crankshaft gear (4) from crankshaft (2).

2. If necessary, remove key (1) and remove friction shim (3) from crankshaft (2).

   Note: Do not remove the key from the crankshaft unless the key is damaged.

Installation Procedure

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Illustration 3	g02052055

1. If necessary, install a new friction shim (3) to crankshaft (2).

2. If necessary, install a new key (1) to crankshaft (2).
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   Hot parts or hot components can cause burns or personal injury. Do not allow hot parts or components to contact your skin. Use protective clothing or protective equipment to protect your skin.

3. Heat crankshaft gear (4) to 150° ± 50°C (302° ± 90°F). Align the keyway on crankshaft gear (4) with key (1) in the crankshaft. Install crankshaft gear (4) to crankshaft (2). Ensure that shoulder (5) of crankshaft gear (4) is toward the front of the engine.

End By:

1. Install the front housing.

2. Install the engine oil pump.