TM 9-2320-363-20-1
Table 3-1. Troubleshooting (Cont)
Malfunction
Test or inspection
Corrective action
CAB (CONT)
Step 3.
Check for faulty tachometer and speedometer cables.
Replace tachometer cable (page 4-866) or speedometer cable
(pages 4-853, 4-860).
2. VEHICLE HEATER ASSEMBLY LEAKS COOLANT.
Step 1.
Check for faulty or loose clamps.
Tighten or replace clamps (page 4-796).
Step 2.
Check for faulty heater hoses.
Replace heater hoses (page 4-796).
Step 3.
Check for leaking heater core.
Replace heater assembly (page 4-796).
3. NO AIR CIRCULATION.
Check for faulty blower motor.
Replace vehicle heater assembly (page 4-792).
4. IMPEDED OR BLOCKED AIR FLOW.
Step 1.
Check for damaged ducts.
Replace duct assembly (page 4-796).
Step 2.
Check for faulty air cylinder.
Replace duct assembly (page 4-796).
HYDRAULIC WINCH (M916A1 AND M916A2)
1. SLOW PAY OUT OR RETURN OF WINCH CABLE.
Check for low oil level in reservoir.
Service reservoir with oil (TM 9-2320-363-10).
2. OIL FLOW BLOCK.
Check for contaminated or damaged filter.
Replace filter element (page 4-766).
Change 3 3-91
