HOUSING 2538828 - Caterpillar

1. Remove the guard for the air tank. Weight of guard is 180 lb. (82 kg). 2. Disconnect the two air lines (1) from valve. Install a plug in one elbow, and a nipple in the other elbow. 3. Remove the bolts (2) from drive shaft. Remove the rear drive shaft (3). 4. Remove the eight bolts (4) and nuts that hold the front and rear supports for the rear axle housing to the frame.5. Install blocks under the front of front tires. Connect air line (5) to valve. 6. Put transmission jack (A) into position under axle housing. Fasten the jack to the carrier assembly.7. Raise the rear of machine until there is enough clearance to remove axle housing. 8. Install stands (B) under the machine in front of rear axle housing.9. Remove the rear axle housing from under the machine. Put blocks under the front and rear of the tires.10. Remove the oil from both final drive compartments. Remove cover (6) from each side.11. Slide both axles about 12 in. (30 cm) out of the axle housing.12. Disconnect the air line from valve on axle housing.13. Remove the jack (A), and turn the axle housing until carrier assembly is up as shown. 14. Fasten a hoist and remove the front support (7). Weight of front support is 75 lb. (34 kg). 15. Remove the bolts (8) that hold carrier housing to axle housing.16. Install two 3/8"-16NC forged eyebolts in the housing, and fasten a hoist. 17. Use two 3/8"-16NC forcing screws (9) to make the carrier housing separate from axle housing. Remove the differential and carrier assembly from rear axle housing. Weight of assembly is 350 lb. (159 kg).Install Rear Differential And Carrier Assembly
1. Fasten a hoist and put the differential and carrier assembly into position in rear axle housing. 2. Install the bolts (1). Tighten the bolts to 195 18 lb.ft. (27,0 2,5 mkg).3. Fasten a hoist and put front support (2) into position. 4. Slide the axles (3) into position in the axle housing. Install the two covers. 5. Turn the axle housing into correct position for installation on machine. Put jack (A) under axle housing, and fasten it to carrier housing.6. Connect the air line (4) to the valve.7. Remove the blocks from under the tires. Push the rear axle housing into position under the machine. 8. Raise the rear of the machine and remove stands (B). Lower the machine down onto the axle housing.9. Install the bolts and nuts that fasten the supports to the frame. Tighten the bolts to 345 30 lb.ft. (47,7 1,4 mkg).10. Remove transmission jack (A).11. Disconnect the shop air line (4) from valve. Remove the nipple and plug from the elbows. 12. Connect the two air lines (5) to valve. 13. Install the rear drive shaft and bolts. Tighten bolts (6) to 98 10 lb.ft. (13,6 1,4 mkg). 14. Install the guard (7) for the air tank.15. Fill the axle housing