ARMY TM 9-6115-641-24
AIR FORCE TO 35C2-3-456-12
Table 2-6. UNIT TROUBLESHOOTING - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
11. LOW 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 filter in accordance
with TM 9–2815–252–24.
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.
12. HIGH OIL PRESSURE.
Step 1. Check for improper lubrication oil.
a. If proper lubrication oil, do step 4.
b. If improper, drain oil and refill with proper lubrication oil (Table 2–3). Replace oil filter in accordance
with TM 9-2815–252–24.
Step 2. Test for defective OIL PRESSURE indicator, paragraph 2-41-1.
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, paragraph 2-89-2.
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