FINAL DRIVE GP 2395710 - Caterpillar

Remove the four bolts and the washers that secure cover (2) to the housing. Remove the cover.
Put identification marks on all hoses for installation purposes. Plug the hoses in order to help prevent fluid loss and contamination of the fluid system.
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Remove eight bolts, the washers, and four half flanges that secure two hose assemblies (3) to the upper housing. Remove the O-ring seals from the hoses.
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Attach appropriate lifting chains and a hoist to the upper housing. Remove lock pin (1) .
Remove 30 bolts (4), the nuts, and the washers that secure the upper housing to the ring gear. Use the hoist in order to remove the upper housing. Route the hydraulic hoses through the upper housing while the housing is being removed. The weight of the housing is 380 kg (838 lb).
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Remove the four bolts and the washers that secure cover (5). Remove the cover from the lower housing in order to access mounting bolts for the ring gear.
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Attach Tooling (A), appropriate lifting chains, and a hoist to ring gear (6) .
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Remove 30 bolts (7) and the washers that secure the ring gear to the lower housing. Remove the ring gear from the work tool. The weight of the ring gear is 165 kg (364 lb).Installation Procedure
Clean all parts and inspect all parts. If any parts are worn or damaged, use new Caterpillar parts for replacement.
Lubricate O-ring seals with clean hydraulic fluid.
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Attach Tooling (A), appropriate lifting chains, and a hoist to ring gear (6). Lift the ring gear into position on the work tool. The weight of the ring gear is 165 kg (364 lb).
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Install 30 bolts (7) and the washers that secure the ring gear to the lower housing. Tighten the bolts to a torque of 660 40 N m (487 30 lb ft).
Remove Tooling (A) from the ring gear.
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Place cover (5) into position on the lower housing. Install the four bolts and the washers that secure the cover.
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Attach appropriate lifting chains and a hoist to the upper housing. Use the hoist to lift the upper housing into position on the work tool. The weight of the upper housing is 380 kg (838 lb). Route the hydraulic hoses through the upper housing while the housing is being installed. Install 30 bolts (4), the nuts, and the washers that secure the upper housing to the ring gear. Install pin (1) in order to prevent the work tool from rotating. Tighten the bolts to a torque of 660 40 N m (487 30 lb ft).
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Install the O-ring seals to two hose assemblies (3). Place the hoses into position. Install the four half flanges, eight bolts, and the washers that secure the hoses to the housing.
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Place cover (2) into position on the housing. Install the four bolts and the washers that secure the cover to the housing.