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
Step 3.
Step 4.
Step 5.
Step 6.
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 2-70.
Test for defective thermostat, refer to TM 9-2815-252-24.
a. If thermostat is not defective, do Step 5.
b. If defective, replace thermostat in accordance with TM 9-2815-252-24.
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.
Check for defective water pump, refer to TM 9-2815-252-24.
a. If defective, replace water pump in accordance with TM 9-2815- 252-24.
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 9-2815-252-24.
a. If thermostat is not defective, do Step 2.
b. If defective, replace thermostat in accordance with TM 9-2815-252-24.
Step 2. Test for defective temperature sender, paragraph 2-92-1.
a. If temperature sender is not defective, do Step 3.
b. If defective, replace temperature sender, paragraph 2-92.
Step 3. Test for defective COOLANT TEMP. indicator, paragraph 2-40-2.
a. If defective, replace COOLANT TEMP. indicator, paragraph 2-40.
b. If COOLANT TEMP. indicator is not defective, and trouble persists notify next higher level of main-
tenance.
15. EXCESSIVE FUEL CONSUMPTION.
Step 1. Check for blocked air intake system.
a. If air intake system is not blocked, do Step 2.
b. If blocked, unblock or replace air intake system components as required, paragraph 2-66 and 2-67.
Step 2. Check for leaks in fuel system.
a. If no leaks in fuel system, do Step 3.
b. If leaks found, repair fuel system as required.
2-19
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