320D2 GC Excavator Machine Systems Sprocket - Remove and Install Caterpillar


Sprocket - Remove and Install
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320D2 GC Excavator Machine Systems [M0066452]
POWER TRAIN
SPROCKET GP
320D2 GC Excavator Machine Systems Sprocket - Remove and Install
1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
439-3940  Link Bracket 
Loctite 243 


    Illustration 1g01208414

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

  2. Separate the track.


    Illustration 2g01208420

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


    Illustration 3g01208441

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

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

  5. Remove sprocket (2). The weight of sprocket (2) is approximately 40 kg (90 lb).

Installation Procedure



    Illustration 4g01208441

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

  1. Attach Tooling (A) to sprocket (2), as shown. The weight of sprocket (2) is approximately 40 kg (90 lb).

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


    Illustration 5g01208420

  3. Apply Tooling (B) to the threads of bolt (1).

  4. Install bolts (1). Tighten bolts (1) in an alternating sequence to a torque of 150 ± 25 N·m (111 ± 18 lb ft). Turn bolt (1) to an additional angle of 35 ± 5 degrees.

  5. Refer to Service Magazine, M0083843, "An Improved Bolt Tightening Procedure for the Critical Joints Is Now Used on All Excavators" for more detail information.

  6. Remove Tooling (A).

  7. Connect the Track.

  8. Remove the cribbing from the front roller.

Information System:

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