C3.3 and C4.4 Generator Sets Caterpillar

Removal Procedure

Start By:

1. Remove the crankshaft pulley. Refer to Disassembly and Assembly, "Crankshaft Pulley - Remove and Install".

2. Remove the front cover. Refer to Disassembly and Assembly, "Front Cover - Remove and Install".

1. Ensure that the No. 1 cylinder is at the top center compression stroke. Refer to Testing and Adjusting, "Finding Top Center Position for No. 1 Piston".

   Note: Install Tooling (A) through the camshaft gear. Install Tooling (B) into the crankshaft web.

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   Illustration 1	g01164799

2. Remove bolt (1) and the washer from camshaft gear (2).

3. Remove the camshaft gear from the camshaft.

   Note: Do not lose the key from the camshaft gear.

Installation Procedure

1. Ensure that the No. 1 cylinder is at the top center compression stroke. Refer to Testing and Adjusting, "Finding Top Center Position for No. 1 Piston".

   Note: Install Tooling (A) through the camshaft gear. Install Tooling (B) into the crankshaft web.

2. Inspect the camshaft gear and the key for wear or damage.
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   Illustration 2	g01164799

3. Install camshaft gear (2) on the camshaft.

   Note: Ensure that the key is installed on the camshaft. When you install the camshaft gear, ensure that the marked teeth are facing toward the front. If necessary, tap the gear with a soft hammer in order to seat the key in the keyway.

4. Install bolt (1) and the washer on the camshaft gear (2). Tighten the bolt to a torque of 95 N·m (70 lb ft).

5. Remove Tooling (B) from the camshaft gear. Remove Tooling (C) from the crankshaft web.

End By:

1. Install the front cover. Refer to Disassembly and Assembly, "Front Cover - Remove and Install".

2. Install the crankshaft pulley. Refer to Disassembly and Assembly, "Crankshaft Pulley - Remove and Install".