CARRIER 8G3968 - Caterpillar

Remove O-ring seals (77), (81), (82), and (83). Remove wave spring (78), thrust bearing (79), and main shaft (80) .
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Remove retaining ring (84), carrier assembly (85) and the discs and clutch plates (86) .
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Remove retaining ring (89) and remove ring gear (88) from carrier assembly (85). Remove thrust bearing (87) and bushing (90) from carrier assembly (85) .Note: Note the installation depth of bushing (90) for assembly purposes.
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Drive spring pin (92) into shaft (91). Remove shaft (91) from carrier assembly (85). Remove spring pin (92) from shaft (91). Remove gear (95), thrust discs (93), and bearings (94) from carrier assembly (85). Repeat for the remaining planetary gears.
Use Tooling (B) in order to rotate the transmission planetary by 180°.
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Remove bolts (97). Use two people in order to remove clutch assembly (96). The weight of clutch assembly (96) is approximately 25 kg (55 lb).
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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.
Remove bolts (98) and backing plate (99). Remove the disks and clutch plates (100). Remove return spring assemblies (101) and pressure plate (102) from clutch assembly (96) .
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Remove wave spring (103), piston (104), clutch housing (105), and thrust washer (106) from clutch assembly (96) .
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Remove seals (107) and (108) from piston (104) .
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Remove ring gear (109) and remove thrust washer (110) from clutch assembly (96) .
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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.
Reposition clutch assembly (96) .
Remove bolts (111) and backing plate (112) from clutch assembly (96). Remove the disks and clutch plates (113) from clutch assembly (96) .
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Remove pressure plate (115) and remove return spring assemblies (114). Remove wave spring (116) and piston (117) .
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Remove seals (118) and (119) from piston (117) .