Direct Clutch Cylinder

DISASSEMBLY





1. After removing direct clutch hub, remove No. 7 direct clutch inner bearing and direct clutch inner bearing support.





2. Remove clutch pressure plate retainer snap ring. Remove and inspect clutch pack. Note the relation of clutch pressure plates for assembly.





3. Using Clutch Spring Compressor 307-015 (T65L-77515-A) compress the direct clutch support and spring. Remove piston retaining ring using expanding-type snap-ring pliers.





4. Remove direct clutch support and spring and clutch piston from direct clutch cylinder.

NOTE: Use air pressure if necessary to remove clutch piston.





5. Remove direct clutch inner seal from direct clutch and outer seal from clutch piston. Verify presence of check ball and that it moves freely.

ASSEMBLY
1. Install direct clutch inner seal on direct clutch as follows:
a. Position Direct Clutch Inner Lip Seal Protector 307-080 (TWL-77234-A) over direct clutch cylinder.





b. Position direct clutch inner seal over protector tool with the sealing lip facing down.

NOTE: Lubricate direct clutch inner seal and seal protector with petroleum jelly





2. Install clutch piston outer seal. Note direction of sealing lip before installation. The lip should point toward bottom of clutch cylinder.

NOTE: Coat direct clutch inner seal and outer piston seals, clutch cylinder sealing area and piston inner sealing area with petroleum jelly.

3. Install clutch piston as follows:





a. Install clutch piston in Direct Clutch Outer Lip Seal Protector 307-081 (T80L-77254-A).





b. Position tool in the direct clutch and push the clutch piston to the bottom of the direct clutch cylinder using even thumb pressure.





4. Install direct clutch support and spring and retaining ring using Clutch Spring Compressor 307-015 (T65L-77515-A).





5. Install clutch pack and clutch pressure plate.





6. With clutch pressure plate retainer snap ring installed, check clearance between clutch pressure plate retainer snap ring and clutch pressure plate using a feeler gauge.
Clutch pressure plate should be held downward as the clearance is checked.

NOTE: Dial Indicator with Bracketry, 100-002 (TOOL-4201-C) or equivalent may also be used for clearance check.





7. The clearance should be:





- If the clearance is not within limits, install the correct size retaining ring and check the clearance. Selective retaining rings are available in the following thickness:





8. Install No. 7 direct clutch inner bearing support (with counter bore down) and No. 7 direct clutch inner bearing support (black side up toward rear clutch hub).





9. Install direct clutch hub.





10. Install two output shaft to direct clutch cylinder seals. Make sure Output shaft to direct clutch cylinder seals are properly lapped.





11. Install output shaft hub. Install snap ring.





12. Install three output shaft to case seals and output shaft wiring seal.

NOTE: Make sure output shaft to case seals are lapped properly.





13. Install No. 8 direct clutch hub bearing and race on direct clutch cylinder.





14. Install direct clutch cylinder on output shaft.

NOTE: Direct clutch cylinder may be installed after ring gear is installed to output shaft hub.





15. Install ring gear and snap ring on output shaft.
16. The following components may be installed as an assembly:
- intermediate one-way clutch
- reverse, clutch
- forward clutch





17. Install reverse clutch assembly on forward clutch assembly.