Isuzu 2000 Trooper Workshop Manual page 583

Reduction Fork
Check the reduction fork and shaft for wear, distortion,
and scratches. If defects are observed, replace the
parts.
Thickness of Reduction Fork
D If the measurement exceeds the limit, replace the
reduction fork.
Standard : 3.41-3.79 mm (0.134-0.149 in)
Allowable limit : 4.4 mm (0.173 in)
Lock-up Fork
D Check the lock-up fork and shaft for wear, distortion,
and scratches. If defects are observed, replace the
parts.
Thickness Lock-up Fork
If the measurement exceeds the limit, replace the
lock-up fork.
Standard : 6.99-7.09 mm (0.275-0.279 in)
Allowable limit : 6.3 mm (0.248 in)
Bearing
Check the profile of the needle, roller, ball, and thrust
bearings. Wash the bearings with clean detergent
completely, and dry with air.
NOTE: If the bearing is rotated excessively, the rollers
may be damaged. So, rotate the bearing slowly with your
hand. Apply grease to the bearing, and check the
smoothness of the bearing while slowly rotating the race
with your hand.
Allowable limit : 0.23 mm (0.009 in)
261RW026
Lock-up Fork Spring
Check the lock-up fork spring for distortion, cracking,
and wear. If defects are observed, replace the part.
Free Length of the Lock-up Fork Spring
D If the measurement exceeds the limit, replace the
spring.
Standard : 60.96 mm (2.40 in)
Allowable limit : 55.0 mm (2.17 in)
261RW027
TRANSFER CASE (TOD)
4D2–27
226RW143
220RW045