Forward Clutch Disassembly
INSPECT PACK CLEARANCE OF FORWARD CLUTCH
REMOVE FORWARD MULTIPLE DISC CLUTCH DISC
REMOVE FORWARD CLUTCH RETURN SPRING SUB-ASSEMBLY
REMOVE FORWARD CLUTCH PISTON SUB-ASSEMBLY
REMOVE INPUT SHAFT OIL SEAL RING
Forward Clutch -- Disassembly |
1. INSPECT PACK CLEARANCE OF FORWARD CLUTCH |
Install the forward clutch on the oil pump.
- NOTICE:
- Be careful not to damage the oil seal ring of the oil pump.
Using a dial indicator, measure the forward clutch pack clearance while applying and releasing compressed air (392 kPa, 4.0 kgf/cm2, 57 psi).
- Standard pack clearance:
- 1.00 to 1.25 mm (0.0394 to 0.0492 in.)
If the clearance is not as specified, inspect the discs, plates and flange.
- HINT:
- If the opening is large, cover it with a piece of cloth to prevent compressed air from escaping.
2. REMOVE FORWARD MULTIPLE DISC CLUTCH DISC |
Using a screwdriver, remove the snap ring.
Remove the flange, 5 discs and 5 plates from the forward clutch drum.
3. REMOVE FORWARD CLUTCH RETURN SPRING SUB-ASSEMBLY |
Place SST on the spring retainer and compress the return spring with a press.
- SST
- 09387-00020
Using a snap ring expander, remove the snap ring.
- NOTICE:
- Stop the press when the spring seat is lowered to a position 1 to 2 mm (0.039 to 0.078 in.) from the snap ring groove to prevent the spring seat from being deformed.
- Do not expand the snap ring excessively.
Remove the forward clutch balancer from the forward clutch drum.
Remove the forward clutch return spring sub-assembly from the forward clutch drum.
4. REMOVE FORWARD CLUTCH PISTON SUB-ASSEMBLY |
Place the forward clutch drum onto the oil pump.
Holding the forward clutch piston by hand, apply compressed air (392 kPa, 4.0 kgf/cm2, 57 psi) to the oil pump to remove the forward clutch piston.
- HINT:
- If the piston slants and cannot be removed, blow air again while pushing down on the protruding side, or remove the piston using needle nose pliers with its tips taped.
5. REMOVE INPUT SHAFT OIL SEAL RING |
Remove the input shaft oil seal ring from the forward clutch drum.