TM 5-3805-254-20-1
ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4.
ENGINE COOLANT TEMPERATURE EXCEEDS 2250F (1070C) - CONTINUED.
WARNING
Draining hot cooling system is not recommended. If coolant must be drained with engine hot, use
gloves to protect against hot coolant. Severe burns could result.
Step 5.
Check radiator hoses (1) for loose, leaking, or collapsed condition.
a.
If radiator coolant hoses (1) are loose, tighten clamps (2) using 1/4-inch flat-tip screwdriver.
b.
If radiator coolant hoses (1) are leaking or collapsed, replace (page 2-639, 2-643, and 2-647).
c.
If radiator coolant hoses (1) are not loose, leaking, or collapsed, go to step 6.
Step 6.
Check that engine oil level is between H and L marks on dipstick (3) (TM 5-3805-254-10).
a.
If engine oil level is below L mark on dipstick (3), add oil to proper level (page 2-4).
b.
If engine oil level is between H and L marks on dipstick (3), go to step 7.
c.
If above H-level, go to malfunction 10 (page 2-112).
Step 7.
Check thermostat housing (4) for leaking condition.
a.
If thermostat housing (4) is leaking, replace gasket and test thermostat (page 2-633).
b.
If thermostat housing (4) is not leaking, go to step 8.
Step 8.
Check water manifold (5) for leaking condition.
a.
If water manifold (5) is leaking, notify Direct Support Maintenance.
b.
If water manifold (5) is not leaking, go to step 9.
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