SHIELD AS 9Y5181 - Caterpillar

Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact skin. At operating temperature, the engine coolant is hot and under pressure.Steam can cause personal injury.Check the coolant level only after the engine has been stopped and the cooling system pressure cap is cool enough to touch with your bare hand.Remove the cooling system pressure cap slowly to relieve pressure.Cooling system conditioner contains alkali. Avoid contact with the skin and eyes to prevent personal injury.
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.
Illustration 1 g00663942
Place the axle housing on tooling (A). The weight of the axle housing is 498.9 kg (1100 lb).
Use a suitable lifting device in order to support axle housing assembly (1). Remove twelve bolts (2) and washers, and remove axle housing assembly (1). The weight of axle housing assembly (1) is 145.1 kg (320 lb).
Illustration 2 g00663943
Remove reaction plate (3) .
Illustration 3 g00663945
Remove sun gear (4) and friction disc (5) .
Illustration 4 g00663946
Remove three springs (7). Release piston (8) by blowing shop air into fitting (6). Remove piston (8) .
Illustration 5 g00663947
Remove seals (9) and (10) .Installation Procedure
Illustration 6 g00663947
Install seals (9) and (10) .
Illustration 7 g00663995
Note: Lubricate the seals and the piston with the lubricant that is being used.
Install piston (8) and three springs (7) .
Illustration 8 g00663945
Note: Lubricate the friction disc with the lubricant that is being used.
Install friction disc (5) and sun gear (4) .
Illustration 9 g00663943
Install reaction plate (3) .
Illustration 10 g00663948
Clean the mating surfaces of the axle housings and apply a continuous bead of 1U-8846 Sealant, as shown.
Illustration 11 g00663942
Use twelve bolts (2) and a suitable lifting device in order to install axle housing assembly (1). The torque for the twelve bolts is 300 40 N m (221 30 lb ft). The weight of axle housing assembly (1) is 145.1 kg (320 lb)., End By:
Install the Oscillating axle housing. Refer to Disassembly and Assembly Supplement, "Oscillating Axle and Trunnion Bearing - Install".
Install the fixed axle housing. Refer to Disassembly and AssemblySENR6768, "Fixed Axle - Install".