TM 10-3930-641-34-1
TRANSFER GEAR CASES AND DRIVE LINE COMPONENTS TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. FRONT OR REAR DIFFERENTIAL IS INOPERATIVE (CONT)
Step 2. Inspect for broken gear teeth.
Replace gears as necessary. (See page 4-271.)
Step 3. Inspect bearings.
Replace if damaged. (See page 4-271.)
4. FINAL DRIVE IS LOCKED
Step 1. Check oil levels.
a.
Inspect for oil leaks from worn seals, gaskets or cracked cases.
Repair or replace as necessary. (See page 4-254.)
b.
Inspect breather.
Replace if plugged. (See TM 10-3930-641-20.)
Step 2. Inspect for broken gear teeth.
Replace gears as necessary. (See page 4-254.)
Step 3. Inspect bearings.
Replace if damaged. (See page 4-254.)
2-43
