330D Excavator Machine Systems Caterpillar

Removal Procedure

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Illustration 1	g01208414

1. Position the machine onto suitable cribbing below the first roller. Ensure that the master pin is above the center line of the sprocket.

2. Separate the track. Refer to Disassembly and Assembly, "Track - Separate".
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   Illustration 2	g01208420

3. Remove bolts (1) that hold sprocket (2) to the final drive.
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   Illustration 3	g01208441

   Note: Use several washers between Tooling (A) and sprocket (2). This will prevent damage to the sprocket.

4. Attach Tooling (A) and a suitable lifting device to sprocket (2).

5. Remove sprocket (2). The weight of sprocket (2) is approximately 79 kg (175 lb).

Installation Procedure

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Illustration 4	g01208441

Note: Use several washers between Tooling (A) and sprocket (2). This will prevent damage to the sprocket.

1. Attach Tooling (A) to sprocket (2). The weight of sprocket (2) is approximately 79 kg (175 lb).

2. Position sprocket (2) onto the final drive.

3. Remove Tooling (A).
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   Illustration 5	g01208420

4. Install bolts (1). Tighten bolts (1) in an alternating sequence to a torque of 900 ± 100 N·m (664 ± 74 lb ft).

5. Connect the Track. Refer to Disassembly and Assembly, "Track - Connect".

6. Remove the suitable cribbing from the front roller.