Center Support

Center Support





Disassembly

1. NOTE: The forward clutch piston in the center support is the side of the center support with the short legs.

Install the Center Support Piston Spring Compressor 307-630 on the forward (1, 2, 3, 4) clutch return spring.





2. Using the Center Support Piston Spring Compressor 307-630 and a press, compress the forward (1, 2, 3, 4) clutch return spring and remove the snap ring.





3. Remove the Center Support Piston Spring Compressor 307-630.





4. Remove the return spring from the Center Support Piston Spring Compressor 307-630 or the forward (1, 2, 3, 4) clutch piston.





5. Apply 483 kPa (70 psi) of air pressure to the forward (1, 2, 3, 4) clutch piston port and remove the forward (1, 2, 3, 4) clutch piston.





6. Install the Center Support Piston Spring Compressor 307-630 on the low/reverse return spring.





7. Using the Center Support Piston Spring Compressor 307-630 and a press, compress the low/reverse clutch return spring and remove the snap ring.





8. Remove the Center Support Piston Spring Compressor 307-630.





9. Remove the low/reverse clutch return spring.





10. Apply 483 kPa (70 psi) of air pressure to the low/reverse clutch piston port and remove the low/reverse clutch piston.





Assembly

1. Clean and inspect the center support for damage. Install a new center support if necessary.

2. Install the Low Reverse Piston Seal Protector 307-628/1 and 307-628/2 on the center support.





3. Lubricate the sealing surfaces of the low/reverse piston with petroleum jelly.





4. Position the low/reverse clutch piston on the Low Reverse Piston Seal Protector 307-628/1 and 307-628/2 and push it down into the center support.





5. Remove the Low Reverse Piston Seal Protector 307-628/1 and 307-628/2.





6. Install the low/reverse piston return spring.





7. Install the Center Support Piston Spring Compressor 307-630 on the low/reverse piston return spring.





8. Using the Center Support Piston Spring Compressor 307-630 and a press, compress the low/reverse clutch return spring and install the snap ring.





9. Remove the Center Support Piston Spring Compressor 307-630.





10. Inspect the snap ring to be sure it is seated in the groove on the center support.





11. Turn the center support over and install the Low Reverse Piston Seal Protector 307-628/2 and the Low Reverse / 1-2-3-4 Piston Seal Protector 307-629 on the center support.





12. Lubricate the sealing surfaces of the forward (1, 2, 3, 4) clutch piston with petroleum jelly.





13. Position the forward (1, 2, 3, 4) clutch piston on Low Reverse Piston Seal Protector 307-628/2 and the Low Reverse / 1-2-3-4 Piston Seal Protector 307-629 and push it down into the center support.





14. Remove Low Reverse Piston Seal Protector 307-628/2 and the Low Reverse / 1-2-3-4 Piston Seal Protector 307-629.





15. Install the forward (1, 2, 3, 4) clutch piston return spring.





16. Install the Center Support Piston Spring Compressor 307-630 on the forward (1, 2, 3, 4) clutch return spring.





17. Using the Center Support Piston Spring Compressor 307-630 and a press, compress the forward (1, 2, 3, 4) clutch return spring and install the snap ring.





18. Remove the Center Support Piston Spring Compressor 307-630.





19. Inspect the snap ring to be sure it is seated in the groove on the center support.