TM 9-2330-392-14&P
4-14
Change 2
Table 4-2. Unit Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 3.
Use multimeter to check for continuity of each electrical wire in wiring harness and the intervehicular cable.
AXLE
4.
WHEELS OUT OF LINE.
Step 1.
Check for damaged trailing arm assembly.
If damaged, notify DS maintenance.
Step 2.
Check for defective wheel bearing.
Replace wheel bearing (para 4-33).
Step 3.
Check for damaged wheel.
Replace wheel (para 4-32).
BRAKES
5.
HANDBRAKES WILL NOT OPERATE.
Step 1.
Check for damaged handbrake lever.
Replace lever assembly (para 4-20).
Step 2.
Check for missing, seized, or broken cable.
Replace brake cable and defective parts (para 4-21).
Step 3.
Apply brakes and check brake action.
Perform service brake adjustment (para 4-23).
Adjust handbrake levers (para 2-14).
Step 4.
Inspect service brake assembly (para 4-22).
Replace defective parts (para 4-24).
6.
HYDRAULIC BRAKES WILL NOT OPERATE.
Step 1.
Check brake tubes and hoses for leaks.
Tighten fittings or replace as required. Then bleed brake system (para 4-26).
Step 2.
Check hydraulic brake operation.
Adjust service brakes (para 4-23).
