Page 2745 of 4555
REPAIR FOR COMPONENT PARTS
AT-481
[ALL]
D
E
F
G
H
I
J
K
L
MA
B
AT
For 85X23 model
For 85X64 model
10. Install snap ring for forward clutch.
SCIA4496E
SCIA4065E
SCIA4894E
Page 2746 of 4555
AT-482
[ALL]
REPAIR FOR COMPONENT PARTS
11. Measure clearance between forward clutch retaining plate and
snap ring.
If not within allowable limit, select proper retaining plate. Refer to
AT- 5 3 3 , "
FORWARD CLUTCH" .
12. Check operation of forward clutch and overrun clutch. Refer to
AT- 4 7 5 , "
DISASSEMBLY" . Specified clearance:
Standard 0.45 - 0.85 mm (0.0177 - 0.0335 in)
Allowable limit 1.85 mm (0.0728 in)
SAT228D
SAT123F
Page 2747 of 4555
REPAIR FOR COMPONENT PARTS
AT-483
[ALL]
D
E
F
G
H
I
J
K
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MA
B
AT
Low & Reverse BrakeECS00EC7
COMPONENTS
DISASSEMBLY
1. Check operation of low & reverse brake.
a. Apply compressed air to oil hole of transaxle case.
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.
Fluid might be leaking past piston check ball.
2. Remove snap ring with flat-bladed screwdriver.
3. Remove retainer, low & reverse brake piston and spring retainer
from transaxle case.
4. Remove snap ring with flat-bladed screwdriver.
5. Remove driven plates, drive plate, retaining plate and dish
plates on transaxle case.
1. Driven plate 2. Dish plate 3. Snap ring
4. Spring retainer 5. D-ring 6. D-ring
7. Low & reverse brake piston 8. Retainer 9. Snap ring
10. Retaining plate 11. Drive plate 12. Retaining plate
SCIA3893E
SCIA4903E
SCIA4904E
Page 2748 of 4555
AT-484
[ALL]
REPAIR FOR COMPONENT PARTS
6. In order to remove low & reverse brake piston, apply com-
pressed air to oil hole of retainer while holding low & reverse
brake piston.
CAUTION:
Apply air gradually and allow low & reverse brake piston to
come out evenly.
7. Remove D-rings from low & reverse brake piston.
INSPECTION
Low and Reverse Brake Snap Ring, Spring Retainer and Return Springs
Check for deformation, fatigue or damage.
If necessary, replace.
When replacing spring retainer and return springs, replace them as a set.
Low and Reverse Brake Drive Plate
Check the facing for burns, cracks or damage.
Measure the thickness of facing.
If not within wear limit, replace.
ASSEMBLY
1. Install D-rings on piston.
CAUTION:
Apply ATF to both parts.
Do not reuse D-ring.
SCIA3651E
SCIA4381E
Thickness of drive plate:
Standard value 1.8 mm (0.071 in)
Wear limit 1.6 mm (0.063 in)
SAT162D
SCIA2998E
Page 2749 of 4555
REPAIR FOR COMPONENT PARTS
AT-485
[ALL]
D
E
F
G
H
I
J
K
L
MA
B
AT
2. Set and align low & reverse brake piston with retainer.
CAUTION:
This operation is required in order to engage the protru-
sions of piston to return springs correctly.
Further procedures are given in AT- 5 0 7 , "
ASSEMBLY" .
Apply ATF to surface of low & reverse brake piston and
retainer.
3. Install driven plates, drive plates, retaining plate and dish plate on transaxle case. Refer to AT- 5 3 3 ,
"Clutch and Brakes" .
CAUTION:
Take care with the order of plates and direction of dish plate.
For 85X23 model
SCIA3652E
SCIA4624E
Page 2750 of 4555
AT-486
[ALL]
REPAIR FOR COMPONENT PARTS
For 85X64 model
4. Install snap ring with flat-bladed screwdriver.
5. Measure clearance between retaining plate and transaxle case.
If not within allowable limit, select proper retaining plate. (front
side) Refer to AT- 5 3 4 , "
LOW & REVERSE BRAKE" .
6. Install low & reverse brake piston (with retainer) and spring
retainer on transaxle case.
7. Install snap ring with flat-bladed screwdriver.
8. Check operation of low & reverse brake. Refer to AT- 4 8 3 , "
DIS-
ASSEMBLY" .
SCIA4066E
SCIA4904E
Specified clearance:
Standard 1.7 - 2.1 mm (0.067 - 0.083 in)
Allowable limit 3.3 mm (0.130 in)
SCIA3654E
SCIA4903E
Page 2751 of 4555
REPAIR FOR COMPONENT PARTS
AT-487
[ALL]
D
E
F
G
H
I
J
K
L
MA
B
AT
Rear Internal Gear, Forward Clutch Hub and Overrun Clutch HubECS00EC8
COMPONENTS
DISASSEMBLY
1. Remove overrun clutch hub and thrust washer from forward
clutch hub.
2. Remove forward clutch hub from rear internal gear.
1. Overrun clutch hub 2. Thrust washer 3. Bearing race
4. Forward one-way clutch 5. Forward clutch hub 6. Thrust washer
7. Rear internal gear
SCIA4051E
SCIA3692E
SAT251D
Page 2752 of 4555
AT-488
[ALL]
REPAIR FOR COMPONENT PARTS
3. Remove bearing from rear internal gear.
4. Remove thrust washer from rear internal gear.
5. Remove bearing from forward one-way clutch.
6. Remove forward one-way clutch from forward clutch hub.
SAT252DA
SCIA3691E
SAT254DA
SAT255D