TM 5-4310-379-14
Table 3-2. Unit Troubleshooting Procedures (Cont).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2.
ENGINE RUNS ROUGH OR ERRATICALLY.
Step 1.
Air cleaner dirty.
Service air cleaner (para. 3-28).
Step 2.
Altemator defective.
Replace a damaged alternator (para. 3-33).
Step 3.
Fuel filter dirty.
Service fuel filter (para. 3-25).
Step 4.
Fuel strainer dirty.
Service fuel strainer (para. 3-26).
3.
ENGINE OVERHEATS.
Step 1.
Coolant level flow.
Add coolant as needed.
Step 2.
Water connections damaged.
Replace a dented or damaged water connection (para 3-20).
Step 3.
Crankcase oil low.
Check oil level and add oil as needed.
Step 4.
Alternator fan belts loose.
Tighten fan belts (para. 3-33)
Step 5.
Water pump defective.
Replace water pump (para. 3-23).
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