MOTOR GP-STG-B 5425972 - Caterpillar

Illustration 3 g00486980
Remove four bolts (1) and the washers that secure cover assembly (2). Remove cover assembly (2) from the inside rear of the undercarriage frame assembly.
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Note: When two tube assemblies (3) are disconnected from the travel brake valve, oil will flow from the tube assemblies. Oil will also flow from two hose assemblies (4) and (5) when the hose assemblies are disconnected from the travel motor. Place a suitable container under the tube assemblies and under the hose assemblies in order to collect the oil.
Disconnect two tube assemblies (3) from the travel brake valve. Disconnect hose assemblies (4) and (5) from the travel motor. Put plugs in the ends of the tube assemblies and in the ends of the hose assemblies in order to prevent oil loss and keep contaminants out of the hydraulic system.
Remove elbow (6) from the travel motor.
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Fasten Tooling (A) and a hoist to final drive (7), as shown. Put a slight lifting tension on the final drive.
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Remove two plugs (9) from the forcing bolt holes in the undercarriage frame assembly.
Remove 20 bolts (8) and the washers that secure the final drive to the undercarriage frame assembly.
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Install two suitable sized forcing bolts (10) in the forcing bolt holes in the frame. Tighten the two forcing bolts evenly in order to loosen the final drive from the undercarriage frame assembly.
Carefully remove final drive (7) from the undercarriage frame assembly. The combined weight of the final drive and the travel motor is approximately 449 kg (990 lb).
Remove two forcing bolts (10) from the undercarriage frame assembly.
Remove the travel motor from the final drive. Refer to Disassembly and Assembly, "Travel Motor - Remove" in this section.Removal Procedure For The Final Drive On CIPI Undercarriage Arrangements Which Are Based On 325C Track Type Excavators
Table 3
Required Tools    
Tool     Part Number     Part Description     Qty    
A     8S-7640     Stand     2    
8S-7611 Tube     2    
8S-7615 Pin     2    
B     138-7574     Link Bracket     2    
C     154-6184     Forcing Bolt (M 20)     2    Start By:
Separate the track assembly. Refer to Disassembly and Assembly, "Track - Seperate".
Remove the travel motor. Refer to Disassembly and Assembly, "Travel Motor - Remove".
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Note: Adjust the height of Tooling (A) so that there is sufficient clearance between the sprocket and the track for the removal of the final drive.
Lift the side of the machine in order to install Tooling (A) under the frame, as shown.
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Fasten Tooling (B) and a hoist to final drive (1), as shown. Put a slight lifting tension on the final drive.
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Note: Mark the orientation of bolt holes (2) for the travel motor for installation purposes.
Remove bolts (3) and the washers from the final drive.
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Use Tooling (C) in order to remove the final drive from the frame.
Carefully remove final drive (1). The weight of the final drive and the sprocket is approximately 312 kg