WIRE 0856280 - Caterpillar

Specifications
Illustration 1 g02639486
Table 1
Specification for 115-6399 Sprocket Gp
Item Qty Part Specification Description
1 - - Mounting surface for drive group housing and bolted joint surface must be free of paint. Before assembly, these surfaces must be clean and free of paint, protective coating, and oil.
2 20 461-3881 Bolt Apply Loctite 243 to the threads.
Torque to 250 25 N m (185 18 lb ft).
Turn an additional angle of 30 5 degrees. Removal Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A 385-8479 Hydraulic Pump and Motor Gp 1
478-4006 Hydraulic Torque Wrench Gp 1
132-8154 Wrench Link 1
B 154-6185 Forcing Bolts 2
C 439-3941 Link Bracket 1
D - Loctite 243 -
Illustration 2 g02415557
Release the track tension. Refer to Operation and Maintenance Manual, "Track Adjustment - Adjust".
Start the machine. Position track roller (1) on suitable cribbing. Position pin to separate the track above the final drive.
Separate the track.
Illustration 3 g03657653
Use Tooling (A) to remove bolts (2).
Remove cork plugs (3). Use Tooling (B) to separate the sprocket from the final drive.
Illustration 4 g02416278
Attach Tooling (C) and a suitable lifting device to sprocket (4). The weight of sprocket (4) is approximately 82 kg (180 lb). Remove sprocket (4).Installation Procedure
Install sprocket (4) in the reverse order of removal.
Thoroughly clean the mating surfaces of sprocket (4) and the final drive.
Apply Tooling (D) to the threads of bolts (2). Tighten bolts (2) in a crisscross sequence to a torque of 250 25 N m (185 18 lb ft).
Turn bolts (2) to an additional angle of 30 5 degrees. Refer to Service Magazine , M0083843 , "An Improved bolt Tightening Procedure for the Critical Joints Is Now Used on All Excavators", for detailed information.