C9 Petroleum Engines Caterpillar

Removal Procedure

Illustration 1	g01173265

Illustration 2	g01173268

1. Remove one bolt (1). Install Tooling (A). Remove remaining bolts (1).

2. Attach a suitable lifting device to flywheel (2). The weight of flywheel (2) is approximately 60 kg (132 lb). Remove flywheel (2).

3. Inspect the ring gear. Replace the ring gear, if necessary. Place the flywheel on a wood block. Use a hammer and a punch in order to remove the ring gear.

Installation Procedure

1. Raise the temperature of the ring gear. Install the ring gear on the flywheel. Position the ring gear with the part number toward the crankshaft. Allow the ring gear to cool. Use a soft hammer in order to seat the ring gear against the shoulder of the flywheel.
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   Illustration 3	g01173268

2. Install Tooling (A) in the crankshaft. Attach a suitable lifting device to flywheel (2). The weight of flywheel (2) is approximately 60 kg (132 lb).

   Note: Use new bolts for installation.

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   Illustration 4	g01173265

3. Position flywheel (2) on the engine. Align the arrows on the flywheel and the crankshaft. Install bolts (1). Remove Tooling (A) and install the remaining bolt. Tighten the bolts evenly to a torque of 300 ± 40 N·m (221 ± 30 lb ft).

4. Check the flywheel runout. Refer to Testing and Adjusting, "Flywheel - Inspect".