Isuzu 2000 Trooper Workshop Manual page 544

Block Ring and Insert Clearance
1. Use a vernier caliper to measure the clearance
between the block ring and the insert.
2. If the measured value exceeds the specified limit, the
block ring and the insert must be replaced.
Block ring and insert clearance
Standard : 3.46–3.74 mm (0.136–0.147 in)
Limit : 4.0 mm (0.158 in)
2WD–4WD Synchronizer (3–Cone)
1. Use a thickness gauge to measure the clearance
between the block ring and the dog teeth.
2. If the measured value exceeds the specified limit, the
2WD–4WD synchronizer
replaced.
Block ring and insert clearance
Standard : 1.5 mm (0.059 in)
Limit : 0.8 in (0.031 in)
226RS037
assembly must be
226RW142
TRANSFER CASE (STANDARD TYPE)
Clutch Hub and Insert Clearance
1. Use a thickness gauge to measure the clearance
between the clutch hub and the insert.
2. If the measured value exceeds the specified limit, the
clutch hub and the insert must be replaced.
Clutch hub and insert clearance
Standard : 0.01–0.19 mm (0.0004–0.0075 in)
Limit : 0.3 mm (0.012 in)
Detent Springs
1. Inspect the springs for distortion, cracks or wear.
Replace if these conditions are present.
Detent Spring Free Length
1. Use a vernier caliper to measure the detent spring
free length.
4D1–23
226RS038