GEAR-RING 1378843 - Caterpillar

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) - Remove".
Remove the parking brake. Refer to Disassembly and Assembly, "Parking Brake - Remove".
Remove the service brake. Refer to Disassembly and Assembly, "Service Brake - Remove".
Illustration 1 g00337019
Attach a suitable hoist and lifting slings to intermediate housing (1). Remove bolts (2) and intermediate housing assembly (1). The weight of intermediate housing (1) is approximately 57 kg (125 lb).
Illustration 2 g00337020
Illustration 3 g00337021
Remove bolt (3) and bolt lock (4) .Note: Adjusting nuts of two different sizes are used in the bevel gear group. Use Tooling (F) or Tooling (G) in order to remove the adjusting nuts.
Use Tooling (F) or Tooling (G) in order to remove the adjusting nut (5) .
Remove locating pin (7), sleeve assembly (6) and bearing cup (8) from intermediate housing (1) .
Illustration 4 g01207974
Remove two bolts (9) that are directly opposite each other. Install Tooling (A) in the bolt holes.
Illustration 5 g01207972
Remove remaining bolts (9). Slide pinion gear assembly (10) away from the differential housing in order to install Tooling (B). Attach a suitable hoist and to pinion gear assembly (10) .
Use the hoist to remove pinion gear assembly (10). The weight of the pinion gear assembly is 66 kg (145 lb).
Remove the shims and the O-ring seal from the pinion assembly.
Illustration 6 g01207977
Install Tooling (C) on differential assembly (11). Attach a suitable lifting device to Tooling (C). The weight of the differential assembly is 109 kg (240 lb).
Remove differential assembly (11) .
Turn the differential housing onto the opposite side.
Illustration 7 g00337026
Typical Example
Remove bolt (14) and bolt lock (15) .Note: Adjusting nuts of two different sizes are used in the bevel gear group. Use Tooling (F) or Tooling (G) in order to remove the adjusting nuts.
Use Tooling (F) or Tooling (G) in order to remove the adjusting nut (16) .
Remove locating pin (17), sleeve assembly (18), and bearing cup (19) from differential housing (20) .
Illustration 8 g00337027
Use Tooling (D) in order to remove bearing cone (21) .
Illustration 9 g00337028
Turn the differential onto the opposite side. Use Tooling (E) in order to remove bearing cone (22) .
Remove 16 bolts (24) that hold bevel gear (25) in position. Use a press in order to remove bevel gear (25) from the differential.
Remove four large spring pins and four small spring pins (23) from the bevel gear.