ARMY TM 9-6115-644-24
AIR FORCE TO 35C2-3-446-12
MARINE CORPS TM 09249A/09246A-24/2
TABLE 2-6. Unit Troubleshooting - Continued
/MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 3.
Test for defective oil pressure sender, paragraph 2-107-1.
a.
If defective, replace oil pressure sender, paragraph 2-107.
b. If oil pressure sender is not defective, and trouble persists, notify next higher level of
maintenance.
13. ENGINE OVERHEATING.
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
Step 6.
Check for broken or loose fan belt, paragraph 2-84.
a.
If fan belt is not broken and tension is correct, do step 2.
b. If worn or broken, replace fan belt. If loose, adjust fan belt, paragraph 2-84-2.
Check for defective radiator cap, paragraph 2-77-2.
a. If radiator cap is not defective, do step 3.
b. If defective, replace radiator cap, paragraph 2-77.
Check for defective coolant hose(s).
a.
If coolant hoses are not leaking or collapsed, do step 4.
b. If defective, replace coolant hose(s), paragraphs 2-77, and 2-79 through 2-81.
Test for defective thermostat, refer to TM 9-2815-255-24.
a.
If thermostat is not defective, do step 5.
b. If defective, replace thermostat in accordance with TM 9-2815-255-24.
Check for dogged radiator.
a. If radiator is not clogged, do step 6.
b. If dogged, remove obstruction or replace radiator, paragraph 2-82.
Check for defective water pump, refer to TM 9-2815-255-24.
a. If defective, replace water pump in accordance with TM 9-2815-255-24.
b.
If water pump is not defective, and trouble persists, notify next higher level of
maintenance.
14. ENGINE COOLANT TEMPERATURE TOO LOW.
Step 1.
Check for defective thermostat, refer to TM 9-2815-255-24.
a. If thermostat is operating correctly, do step 2.
b. If defective, replace thermostat in accordance with TM 9-2815-255-24.
Step 2.
Test for defective temperature sender, paragraph 2-108-1.
a.
If temperature sender is not defective, do step 3.
b. If defective, replace temperature sender, paragraph 2-108.
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