DISC-FRICTION 2501845 - Caterpillar

Disassemble Clutches
start by: a) remove top shaft assembly1. Put the top shaft group in a vertical position with the use of tooling (A). Make an arrangement of the FT957 Legs under the plate assembly (1) as shown in the illustration. 2. Remove four bolts and locks (4) from the top cover of the oil pump drive shaft (7). 3. Use two 7/16"-14 NC forcing screws and make a separation of the top cover (5) and the clutch spider (8).4. Remove the oil pump drive shaft (7). Remove the gasket (6) and inspect it for damage. Make a replacement if it is broken or damaged. Before removal of the bearing retainer bolts put blocks under main shaft group to keep shaft in clutch package.5. Remove four bearing retainer bolts and two locks (2) from ring.
Shaft will slide out of clutch package when all bearing retainer bolts and locks are removed if it does not have support.
6. Remove twelve stud nuts and washers (3) and carefully remove the clutch spider (8) with a hoist and 1/2"-13 NC forged eyebolts. Be sure not to damage the clutch studs (16). Weight of the clutch spider (8) is approximately 65 lb. (29 kg). Put marks on clutch plates and clutch assemblies for installation purposes. This will prevent the wear of components. 7. Use 7/16"-14 NC screws and 1/2"-13 NC forged eyebolts and make a separation of the reverse