High Clutch

High Clutch
DISASSEMBLY





1. Check operation of high clutch using compressed air.
a. Apply compressed air to oil hole of input shaft with nylon cloth.

NOTE: Stop up hole on opposite side of input shaft with nylon cloth.

b. Check to see that retaining plate moves to snap ring.
c. If retaining plate does not contact snap ring:

NOTE:
^ D-ring might be damaged.
^ Oil seal might be damaged.
^ Fluid might be leaking past piston check ball.





2. Remove seal rings from input shaft.

NOTE: Do not reuse seal rings.





3. Remove snap ring using screwdriver.
4. Remove drive plates, driven plates and retaining plate.





5. Remove snap ring from high clutch drum while compressing return springs using Tool.
Tool number: KV31102400 (J-34285 and J-34285-87)

CAUTION:
^ Set Tool directly over springs.
^ Do not expand snap ring excessively.

6. Remove cancel force cover and return springs.





7. Remove piston from high clutch drum by turning it.

INSPECTION
High Clutch Snap Ring, Spring Retainer and Return Springs
Check for deformation, replace if fatigue or damage.

NOTE: Always replace the spring retainer and return springs as a set.

High Clutch Drive Plates





^ Check facing for burns, cracks or damage.
^ Measure thickness of facing.
Thickness of drive plate:
Standard value: 1.6 mm (0.063 inch)
Wear limit: 1.4 mm (0.055 inch)
If not within wear limit, replace.

Seal Ring Clearance





Install new seal rings onto input shaft.
Measure clearance between seal ring and ring groove.
Standard clearance: 0.08 - 0.23 mm (0.0031 - 0.0091 inch)
Allowable limit: 0.23 mm (0.0091 inch)
^ If not within allowable limit, replace input shaft assembly.

ASSEMBLY





1. Install return springs and cancel force spring on piston.
2. Install piston assembly by turning it slowly.

NOTE: Apply ATF to inner surface of the drum

3. Install snap ring while compressing return springs using Tool.
Tool number: KV31102400 (J-34285 and J-34285-87)





CAUTION: Set Tool directly over return springs.





CAUTION: Do not align the snap ring gap with the spring retainer stop per.

4. Install drive plates, driven plates and retaining plate.

NOTE: Take care of the order and direction of plates.





5. Install snap ring using screwdriver.





6. Measure clearance between retaining plate and snap ring. If not within allowable limit, select proper retaining plate.
Specified clearance
Standard: 1.8 - 2.2 mm (0.071 - 0.087 inch)
Allowable limit: 2.8 mm (0.110 inch)
Retaining plate
Refer to "HIGH CLUTCH".





7. Check operation of high clutch.





8. Install seal rings to input shaft.





NOTE:
^ Apply petroleum jelly to the new seal rings.
^ Never reuse seal rings.

NOTE: Roll paper around seal rings to prevent seal rings from spreading.