High-Reverse Clutch (Front)
HIGH-REVERSE CLUTCH(FRONT)High-Reverse Clutch (Front):
DISASSEMBLY
- Compress clutch springs and remove snap ring from spring retainer.
- For easy removal of piston from drum, use an air gun with a tapered rubber tip to carefully apply air pressure to loosen piston from drum.
INSPECTION AND ASSEMBLY
1. Check clutch drive plate facing for wear or damage. Drive plate thickness must not be less than 1.4 mm (0.055 in.).
Standard drive plate thickness: 1.50 - 1.65 mm (0.0591 - 0.0650 in.)
2. Check for wear on snap ring, weak or broken coil springs, and warped spring retainer.
3. Lubricate clutch drum bushing, and install inner seal and piston seal as illustrated. Be careful not to stretch seals during installation.
- Never assemble clutch dry; always lubricate its components thoroughly.
- Always install piston seal in direction shown in figure at left.
4. Assemble piston, being careful not to allow seal to kink or become damaged during installation. After installing, turn piston by hand to ensure that there is no binding.
5. Reassemble springs and retainer. Reinstall snap ring. Be sure snap ring is properly seated.
6. Install driven plates, drive plates, and secure with snap ring.
Available Retaining Plate:
7. Measure clearance between retaining plate and snap ring. Always measure the existing minimum clearance, since snap ring is a wave type.
Specified clearance:
Standard 1.0 - 1.4 mm (0.039 - 0.055 in.)
Allowable limit 2.0 mm (0.079 in.)
8. Testing high-reverse clutch (Front) using compressed air.