Page 425 of 2898
Rear Internal Gear, Forward Clutch Hub and
Overrun Clutch Hub
COMPONENTSNJAT0157
SAT875J
SAT249D
DISASSEMBLYNJAT01581. Remove snap ring from overrun clutch hub.
2. Remove overrun clutch hub from forward clutch hub.
SAT250D
3. Remove thrust washer from forward clutch hub.
REPAIR FOR COMPONENT PARTS
Rear Internal Gear, Forward Clutch Hub and Overrun Clutch Hub
AT-423
Page 426 of 2898
SAT251D
4. Remove forward clutch hub from rear internal gear.
SAT252D
5. Remove end bearing from rear internal gear.
SAT253D
6. Remove thrust washer from rear internal gear.
SAT254D
7. Remove end bearing from forward one-way clutch.
SAT255D
8. Remove one-way clutch from forward clutch hub.
REPAIR FOR COMPONENT PARTS
Rear Internal Gear, Forward Clutch Hub and Overrun Clutch Hub (Cont'd)
AT-424
Page 427 of 2898
SAT256D
INSPECTIONNJAT0159Rear Internal Gear, Forward Clutch Hub and Overrun
Clutch Hub
NJAT0159S01+Check rubbing surfaces for wear or damage.
SAT257D
Snap Ring, End Bearings and Forward One-way ClutchNJAT0159S02+Check snap ring and end bearings for deformation and dam-
age.
+Check forward one-way clutch for wear and damage.
SAT976H
ASSEMBLYNJAT01601. Install forward one-way clutch on forward clutch.
+Take care with the direction of forward one-way clutch.
SAT259D
2. Install end bearing on forward one-way clutch.
+Apply petroleum jelly to end bearing.
SAT260D
3. Install thrust washer on rear internal gear.
+Apply petroleum jelly to thrust washer.
+Align pawls of thrust washer with holes of rear internal
gear.
REPAIR FOR COMPONENT PARTS
Rear Internal Gear, Forward Clutch Hub and Overrun Clutch Hub (Cont'd)
AT-425
Page 428 of 2898
SAT261D
4. Install end bearing on rear internal gear.
+Apply petroleum jelly to end bearing.
SAT713H
5. Install forward clutch hub on rear internal gear.
+Check operation of forward one-way clutch.
Hold rear internal gear and turn forward clutch hub. Check
forward clutch hub for correct locking and unlocking
directions.
+If not as shown in illustration, check installation direction
of forward one-way clutch.
SAT263D
6. Install thrust washer and overrun clutch hub.
+Apply petroleum jelly to thrust washer.
+Align pawls of thrust washer with holes of overrun clutch
hub.
SAT264D
7. Install overrun clutch hub on rear internal gear.
+Align projections of rear internal gear with holes of over-
run clutch hub.
SAT248D
8. Install snap ring to groove of rear internal gear.
REPAIR FOR COMPONENT PARTS
Rear Internal Gear, Forward Clutch Hub and Overrun Clutch Hub (Cont'd)
AT-426
Page 429 of 2898
O/Shaft, O/Gear, I/Gear, R/Pinion Gear and B/
Retainer Ð 3AX00, 01, 19, 63 and 64 models
COMPONENTSNJAT0239
SAT104K
SAT666D
DISASSEMBLYNJAT02401. Remove seal rings from output shaft and bearing retainer.
REPAIR FOR COMPONENT PARTS
O/Shaft, O/Gear, I/Gear, R/Pinion Gear and B/Retainer Ð 3AX00, 01, 19, 63 and 64 models
AT-427
Page 430 of 2898
SAT592G
2. Press out output shaft bearing inner race.
SAT168K
3. Remove output shaft bearing outer race from bearing retainer.
SAT669D
4. Remove output gear bearing inner race.
SAT169K
5. Remove output gear bearing outer race from bearing retainer.
SAT648D
6. Remove idler gear bearing inner race.
REPAIR FOR COMPONENT PARTS
O/Shaft, O/Gear, I/Gear, R/Pinion Gear and B/Retainer Ð 3AX00, 01, 19, 63 and 64 models (Cont'd)
AT-428
Page 431 of 2898

NAT047
7. Remove idler gear bearing outer race from transmission case.
NAT048
8. Press out reduction pinion gear bearing from reduction pinion
gear.
SAT651D
9. Remove reduction pinion gear bearing outer race from trans-
mission case.
SPD715
INSPECTIONNJAT0241Output Shaft, Output Gear, Idler Gear and Reduction
Pinion Gear
NJAT0241S01+Check shafts for cracks, wear or bending.
+Check gears for wear, chips and cracks.
BearingsNJAT0241S02+Make sure bearings roll freely and are free from noise, cracks,
pitting or wear.
+When replacing taper roller bearing, replace inner and
outer race as a set.
SAT671D
Seal Ring ClearanceNJAT0241S03+Install new seal rings to output shaft.
+Measure clearance between seal ring and ring groove of out-
put shaft.
Standard clearance:
0.10 - 0.25 mm (0.0039 - 0.0098 in)
Wear limit:
0.25 mm (0.0098 in)
+If not within wear limit, replace output shaft.
+Install new seal rings to bearing retainer.
REPAIR FOR COMPONENT PARTS
O/Shaft, O/Gear, I/Gear, R/Pinion Gear and B/Retainer Ð 3AX00, 01, 19, 63 and 64 models (Cont'd)
AT-429
Page 432 of 2898
+Measure clearance between seal ring and ring groove of bear-
ing retainer.
Standard clearance:
0.10 - 0.25 mm (0.0039 - 0.0098 in)
Wear limit:
0.25 mm (0.0098 in)
+If not within wear limit, replace bearing retainer.
NAT049
ASSEMBLYNJAT02421. Press reduction pinion gear bearing on reduction pinion gear.
SAT654D
2. Install reduction pinion gear bearing outer race on transmis-
sion case.
SAT655D
3. Press idler gear bearing inner race on idler gear.
NAT051
4. Install idler gear bearing outer race on transmission case.
REPAIR FOR COMPONENT PARTS
O/Shaft, O/Gear, I/Gear, R/Pinion Gear and B/Retainer Ð 3AX00, 01, 19, 63 and 64 models (Cont'd)
AT-430