Overrunning Clutch

DISASSEMBLY





1. If the clutch assembly came out with the low reverse drum, thread two clutch cam bolts into the cam. Then lift the cam out of the drum with the bolts (Fig. 133). Rotate the cam back and forth to ease removal if necessary.
2. Remove the clutch roller and spring assembly from the overrunning clutch race.

CLEANING
Clean the overrunning clutch assembly, clutch cam, low-reverse drum, and overdrive piston retainer in solvent. Dry them with compressed air after cleaning.
Replace the low-reverse drum if the clutch race, roller surface or inside diameter is scored, worn or damaged. Do not remove the clutch race from the low-reverse drum under any circumstances. Replace the drum and race as an assembly if either component is damaged.

INSPECTION
Inspect condition of each clutch part after cleaning. Replace the overrunning clutch roller and spring assembly if any rollers or springs are worn or damaged, or if the roller cage is distorted, or damaged. Replace the cam if worn, cracked or damaged.
Examine the overdrive piston retainer carefully for wear, cracks, scoring or other damage. Be sure the retainer hub is a snug fit in the case and drum. Replace the retainer if worn or damaged.

ASSEMBLY





1. Assemble clutch rollers and springs in retainer if necessary (Fig. 134).





2. Install overrunning clutch roller, spring and retainer assembly in clutch cam (Fig. 135).
3. Temporarily assemble and check overrunning clutch operation as follows:
a. Assemble cam and clutch.





b. Install clutch assembly on low-reverse drum with twisting motion (Fig. 136).
c. Install drum-clutch assembly in case and install clutch cam bolts.
d. Install rear support and support attaching bolts.





e. Check low-reverse drum rotation (Fig. 137).
Drum should rotate freely in clockwise direction and lock when turned in counterclockwise direction (as viewed from front of case).