C4.4 Marine Generator Set Engines Caterpillar

Installation Procedure

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Illustration 1	g00909349

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

Note: Identify the orientation of ring gear (3) on flywheel (2) for the correct positioning when the new ring gear is installed.

1. Raise the temperature of the ring gear to install the ring gear on the flywheel.

   Note: Do not use a torch to heat the ring gear.

2. Inspect the crankshaft rear seal for leaks. If there are any oil leaks, replace the crankshaft rear seal. Refer to Disassembly and Assembly, "Crankshaft Rear Seal - Remove" for the correct procedure.
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   Illustration 2	g01148312

3. Install Tooling (A) on the crankshaft. Attach Tooling (B) and a suitable lifting device on flywheel (2) and position the flywheel in the flywheel housing. The weight of flywheel (2) is approximately 54 kg (120 lb).

4. Install bolts (1). Remove Tooling (B).

5. Remove Tooling (A). Install remaining bolts (1) that secure flywheel (2) to the crankshaft. Tighten bolts (1) to a torque of 140 N·m (103 lb ft).

6. Check the alignment of the flywheel with the crankshaft. Refer to Testing and Adjusting, "Flywheel - Inspect" for further information.

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1. Install the speed/timing sensor. Refer to Disassembly and Assembly, "Speed/Timing Sensor - Remove and Install" for the correct procedure.