DISC-THRUST 7T3144 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 137-4370 Load Leveler 1
B 138-7576 Link Bracket 4 Start By:
Remove the crankcase guard.
Remove the rear drive shaft.
Remove the rear tires and the rims.
Release the pressure in the hydraulic tank for steering and for braking.
At operating temperature, the steering and brake hydraulic oil tank is hot and under pressure. Hot oil can cause burns.To prevent possible personal injury, release the pressure in the steering and brake hydraulic system before hydraulic lines or components are disconnected or removed.
Note: The wood blocks that were placed between the rear axle housing and the rear main frame must remain in place in order to prevent the axle housing from oscillating during the removal procedure.
Drain the oil from the rear oscillating axle housing and from the final drive assemblies into a suitable container. Refer to Operation and Maintenance Manual, "Differential and Final Drive Oil - Change"
Illustration 1 g01445785
Disconnect hose assembly (1), hose assembly (2), and hose assembly (3).
Disconnect clips (4) that secure harness assembly (5) to the rear axle.
Disconnect tube assembly (6).
Illustration 2 g02709249
Disconnect hose assembly (8) from the rear oscillating axle.
Disconnect harness assembly (5) from the temperature sensor. Set harness assembly (5) aside. Remove temperature sensor (7) and the O-ring seal.
Illustration 3 g02709250
Disconnect tube assembly (9) from the rear trunnion support. If necessary, remove tube assembly (10).
Illustration 4 g02709252
Remove panel assemblies (11).
Illustration 5 g02709253
Illustration 6 g02653779
Attach Tooling (B) to both ends of rear oscillating axle (12). Attach Tooling (A) and a suitable lifting device to Tooling (B). The weight of rear oscillating axle (112) is approximately 6830 kg (15050 lb).
Illustration 7 g02709254
Remove bolts (14) that secure front trunnion support (13) to the rear main frame.
Illustration 8 g02709255
Remove bolts (15) that secure rear trunnion support (16) to the rear main frame.
Lower rear oscillating axle (12) to the ground or a suitable skid.
Remove the suitable lifting device and Tooling (B).
Pull rear oscillating axle (12) outward by using a suitable towing machine.