C8.7 Marine Engine Caterpillar

Removal Procedure

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Illustration 1	g03859477

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

Installation Procedure

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Illustration 2	g03859477

1. Ensure that all components are clean and free form damage. If necessary, replace any components that are worn or damaged.

Note: Before installing crankshaft gear (1), apply tooling (C) in a 5 mm (0.2 inch) wide band approximately 30 mm (1.2 inch) away from end of crankshaft (2) where crankshaft gear (1) is to be installed.

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Always wear protective gloves when handling parts that have been heated.

2. Use Tooling (B) to raise the temperature of crankshaft gear (1) to 170° ± 10°C (338° ± 18°F)

   Note: Do not use a torch to raise temperature of crankshaft gear (1) .

   Note: Do not heat crankshaft gear (1) for more than 2 hours.

3. Install crankshaft gear (1) onto crankshaft (2) .