ARMY TM 9-6115-642-24
AIR FORCE TO 35C2-3-455-12
MARINE CORPS TM 09247A/09248A-24/2
TABLE 2-6. UNIT TROUBLESHOOTING - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
12. HIGH OIL PRESSURE.
Step 1. Check for improper lubrication oil.
a. If proper lubrication oil, do Step 2.
b. If improper, drain oil and refill with proper lubrication oil (TABLE 2-3). Replace oil fitter in accordance
with TM 9-2815-253-24.
Step 2. Test for defective OIL PRESSURE indicator, paragraph 2-41.2.
a. If OIL PRESSURE indicator is not defective, do Step 3.
b. If defective, replace OIL PRESSURE indicator, paragraph 2-41.
Step 3. Test for defective oil pressure sender, paragraph 2-91.1.
a. If defective, replace oil pressure sender, paragraph 2-91.
b. If oil pressure sender is not defective and trouble persists, notify next higher level of maintenance.
13. ENGINE OVERHEATING.
Step 1. Check for broken or loose fan belt, paragraph 2–75.1.
a. If fan belt is not broken and tension is correct, do Step 2.
b. If worn or broken, replace fan belt, paragraph 2-75. If loose, adjust fan belt, paragraph 2-75.4.
Step 2. Check for clogged radiator.
a. If radiator is not clogged, do Step 3.
b. If clogged, service radiator, paragraph 2-69.2.
Step 3. Test for defective radiator cap, paragraph 2-69.1.
a. If radiator cap is not defective, do Step 4.
b. If defective, replace radiator cap, paragraph 2-69.
Step 4. Test for defective thermostat, refer to TM 9-2815-253-24.
a. If thermostat is not defective, do Step 5.
b. If defective, replace thermostat in accordance with TM 9-2815-253-24.
Step 5. Check for defective coolant hose(s).
a. If coolant hoses are not leaking or collapsed, do Step 6.
b. If defective, replace coolant hose(s), paragraphs 2-71 and 2-72.
Step 6. Check for defective water pump, refer to TM 9-2815-253-24.
a. If defective, replace water pump in accordance with TM 9-2815-253-24.
b. If water pump is not defective and trouble persists, notify next higher level of maintenance.
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