TM 55-2210-224-12
Table 4-2. Unit Troubleshooting (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
COOLING SYSTEM
2.
ENGINE OVERHEATING.
WARNING
Never remove the engine cooling system cap when the engine is hot. This is a high-pressure
cooling system, and escaping steam or hot water can cause serious burns.
Step 1.
Check for low coolant level.
Fill coolant system.
Step 2.
Check for clogged radiator fins.
Clean radiator fins.
Step 3.
Check for collapsed cooling system hoses.
Replace hoses (para 4-38).
Step 4.
Check for loose or missing cooling fan belts.
Tighten or replace cooling fan belts (para 4-39).
Step 5.
Check for proper operation of engine temperature gage.
If faulty, notify intermediate direct support maintenance.
Step 6.
Check for defective thermostat.
Refer to TM 5-2815-233-14.
Step 7.
Check for clogged radiator grille.
Clean radiator grille.
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