Page 1577 of 2493
SAT301E
+Do not remove return springs from spring retainer.
SAT159D
6. Remove piston from reverse clutch drum by turning it.
SAT138E
7. Remove D-ring and oil seal from piston.
INSPECTIONNJAT0143Reverse Clutch Snap Ring, Spring Retainer and Return
Springs
NJAT0143S01+Check for deformation, fatigue or damage.
+Replace if necessary.
+When replacing spring retainer and return springs,
replace them as a set.
SAT162D
Reverse Clutch Drive PlatesNJAT0143S02+Check facing for burns, cracks or damage.
+Measure thickness of facing.
Thickness of drive plate:
Standard value: 2.0 mm (0.079 in)
Wear limit: 1.8 mm (0.071 in)
+If not within wear limit, replace.
REPAIR FOR COMPONENT PARTS
Reverse Clutch (Cont'd)
AT-391
Page 1578 of 2493
SAT163D
Reverse Clutch Dish PlatesNJAT0143S03+Check for deformation or damage.
+Measure thickness of dish plate.
Thickness of dish plate ªtº: 2.8 mm (0.110 in)
+If deformed or fatigued, replace.
SAT164D
Reverse Clutch PistonNJAT0143S04+Make sure check balls are not fixed.
+Apply compressed air to check ball oil hole opposite the return
spring. Make sure that there is no air leakage.
+Apply compressed air to oil hole on return spring side to make
sure air leaks past ball.
SAT160DA
ASSEMBLYNJAT01441. Install D-ring and oil seal on piston.
+Take care with the direction of the oil seal.
+Apply ATF to both parts.
SAT159D
2. Install piston assembly by turning it slowly.
+Apply ATF to inner surface of drum.
SAT168D
3. Install return springs and spring retainer on piston.
For return spring, refer to AT-452.
REPAIR FOR COMPONENT PARTS
Reverse Clutch (Cont'd)
AT-392
Page 1579 of 2493
SAT157D
4. Set Tool on spring retainer and install snap ring while com-
pressing return springs.
+Set Tool directly above return springs.
SAT170D
5. Install drive plates, driven plates, retaining plate and dish
plates.
+Do not align the projections of any two dish plates.
+Take care with the order and direction of plates.
SAT156D
6. Install snap ring.
SAT174D
7. Measure clearance between retaining plate and snap ring. If
not within allowable limit, select proper retaining plate.
Specified clearance:
Standard: 0.5 - 0.8 mm (0.020 - 0.031 in)
Allowable limit: 1.2 mm (0.047 in)
Retaining plate: Refer to SDS, AT-451.
SAT173D
8. Check operation of reverse clutch.
Refer to ªReverse Clutchº, AT-390.
REPAIR FOR COMPONENT PARTS
Reverse Clutch (Cont'd)
AT-393
Page 1580 of 2493
High Clutch
COMPONENTS=NJAT0145
SAT034K
SAT176D
DISASSEMBLYNJAT01461. Check operation of high clutch.
a. Apply compressed air to oil hole of input shaft.
+Stop up a hole on opposite side of input shaft.
b. Check to see that retaining plate moves to snap ring.
c. If retaining plate does not contact snap ring:
+D-ring might be damaged.
+Oil seal might be damaged.
+Fluid might be leaking past piston check ball.
SAT177D
2. Remove seal rings from input shaft.
REPAIR FOR COMPONENT PARTS
High Clutch
AT-394
Page 1581 of 2493
SAT178D
3. Remove snap ring.
4. Remove drive plates, driven plates and retaining plate.
SAT617H
5. Set Tool on spring retainer and remove snap ring from high
clutch drum while compressing return springs.
+Set Tool directly above springs.
+Do not expand snap ring excessively.
6. Remove spring retainer and return springs.
SAT302E
+Do not remove return spring from spring retainer.
SAT189D
7. Remove piston from high clutch drum by turning it.
SAT139E
8. Remove D-ring and oil seal from piston.
REPAIR FOR COMPONENT PARTS
High Clutch (Cont'd)
AT-395
Page 1582 of 2493

INSPECTIONNJAT0147Reverse Clutch Snap Ring, Spring Retainer and Return
Springs
NJAT0147S01+Check for deformation, fatigue or damage.
+Replace if necessary.
+When replacing spring retainer and return springs,
replace them as a set.
SAT162D
High Clutch Drive PlatesNJAT0147S02+Check facing for burns, cracks or damage.
+Measure thickness of facing.
Thickness of drive plate:
Standard value: Refer to SDS, AT-451.
Wear limit: Refer to SDS, AT-451.
+If not within wear limit, replace.
SAT186D
High Clutch PistonNJAT0147S03+Make sure check balls are not fixed.
+Apply compressed air to check ball oil hole opposite the return
spring. Make sure there is no air leakage.
+Apply compressed air to oil hole on return spring side to make
sure air leaks past ball.
SAT187D
Seal Ring ClearanceNJAT0147S04+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 in)
Allowable limit:
0.23 mm (0.0091 in)
+If not within wear limit, replace input shaft assembly.
SAT182DA
ASSEMBLYNJAT01481. Install D-ring and oil seal on piston.
+Take care with the direction of the oil seal.
+Apply ATF to both parts.
REPAIR FOR COMPONENT PARTS
High Clutch (Cont'd)
AT-396
Page 1583 of 2493
SAT189D
2. Install piston assembly by turning it slowly.
+Apply ATF to inner surface of drum.
SAT191D
3. Install return springs and spring retainer on piston.
For return spring, refer to AT-452.
SAT617H
4. Set Tool on spring retainer and install snap ring while com-
pressing return springs.
+Set Tool directly above return springs.
SAT193D
+Do not align snap ring gap with spring retainer stopper.
SAT195D
5. Install drive plates, driven plates and retaining plate.
Take care with the order and direction of plates.
6. Install snap ring.
REPAIR FOR COMPONENT PARTS
High Clutch (Cont'd)
AT-397
Page 1584 of 2493
SAT199D
7. Measure clearance between retaining plate and snap ring. If
not within allowable limit, select proper retaining plate.
Specified clearance:
Standard: 1.4 - 1.8 mm (0.055 - 0.071 in)
Allowable limit: 2.4 mm (0.094 in)
Retaining plate:
Refer to SDS, AT-451.
SAT196D
8. Check operation of high clutch.
Refer to ªHigh Clutchº, AT-394.
SAT197D
9. Install seal rings to input shaft.
+Apply petroleum jelly to seal rings.
SAT198D
+Roll paper around seal rings to prevent seal rings from
spreading.
REPAIR FOR COMPONENT PARTS
High Clutch (Cont'd)
AT-398