Sprocket - Remove and Install
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325F Excavator Machine Systems
[UENR6794]
325F Excavator Machine Systems
Track - Separate
325F Excavator Machine Systems
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POWER TRAIN
SPROCKET GP
325F Excavator Machine Systems
Sprocket - Remove and Install
1.1. Removal Procedure
2.1. Installation Procedure
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Required Tools | |||
---|---|---|---|
Tool | Part Number | Part Description | Qty |
A | 8S-7640 | Stand | 2 |
8S-7611 | Tube Assembly | 2 | |
8S-7615 | Pin | 2 | |
B | 439-3939 | Link Bracket | 1 |
Start By:
- Separate the track.
- Lift the side of the machine to install Tooling (A) under the frame, as shown.
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Illustration 2 g00708732 - Remove bolts (1) that hold sprocket (2) to the final drive.
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Illustration 3 g00708688 Note: Use several washers between Tooling (B) and the sprocket, tol prevent damage to the sprocket.
- Attach Tooling (B) and a suitable lifting device to sprocket (2). The weight of sprocket (2) is approximately
40 kg (88 lb) . - Remove sprocket (2).
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Illustration 1 | g00489826 |
Note: Adjust the height of the Tooling (A) so that there is sufficient clearance between the sprocket and the track for the removal of the sprocket from the final drive.
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Required Tools | |||
---|---|---|---|
Tool | Part Number | Part Description | Qty |
A | 8S-7640 | Stand | 2 |
8S-7611 | Tube Assembly | 2 | |
8S-7615 | Pin | 2 | |
B | 439-3939 | Link Bracket | 1 |
C | - | Loctite 243 | - |
- Thoroughly clean the mating surfaces of the sprocket and the final drive prior to installing the sprocket.
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Illustration 4 g00708688 Note: Use several washers between Tooling (B) and the sprocket, to prevent damage to the sprocket.
- Attach Tooling (B) and a suitable lifting device to sprocket (2). The weight of sprocket (2) is approximately
40 kg (88 lb) . Position sprocket (2).Show/hide tableIllustration 5 g00708732 - Apply Tooling (C) to the threads of bolts (1). Install bolts (1) that secure the sprocket to the final drive.
- Tighten bolts (1) in a crisscross pattern to a torque of
150 ± 25 N·m (111 ± 18 lb ft) . Turn bolts (1) to an additional angle of 35 ± 5 degrees. - Refer to Service Magazine, M0083843, "An Improved Bolt Tightening Procedure for the Critical Joints Is Now Used on All Excavators" for more detail information.
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Illustration 6 g00489826 - Raise the machine. Remove Tooling (A) and the suitable lifting device from the frame.
End By:
- Connect the track assembly.
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