GEAR 1878566 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     138-7574     Link Bracket     2    Start By:
Remove the fixed axle. Refer to Disassembly and Assembly, "Fixed Axle (Front) - Remove".
Remove the oscillating axle. Refer to Disassembly and Assembly, "Oscillating Axle (Rear) and Output Transfer Gears - Remove".
Remove the final drive and wheel. Refer to Disassembly and Assembly, "Final Drive and Wheel - Remove".Note: Parking brake housing (3) used in the front fixed axle and in the rear oscillating axle are different. The procedure for the removal of the front and the rear parking brake housings are similar. The parking brake for the rear axle is shown for the purpose of simplicity.
Illustration 1 g01206852
Install axle assembly on a suitable stand in a with parking brake housing (1) in a vertical position.Note: Place location marks on the differential housing and the parking brake housing for installation purposes.
Remove 22 bolts (2) .
Illustration 2 g01206853
Attach Tooling (A) and a suitable lifting device to parking brake housing (1). The weight of the front parking brake housing is approximately 215 kg (474 lb). The weight of the rear parking brake housing is approximately 180 kg (397 lb).
Personal injury can result from being struck by parts propelled by a released spring force.Make sure to wear all necessary protective equipment.Follow the recommended procedure and use all recommended tooling to release the spring force.
Evenly loosen four captive nuts (3) to release the parking brake spring pressure.
Remove the parking brake housing.
Illustration 3 g01206854
Remove O-ring seal (4) .