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 COOLANT TEMP. indicator, paragraph 2-24-2.
a.
If defective, replace COOLANT TEMP. indicator, pararaph 2-24.
b. If COOLANT TEMP. indicator is not defective, and trouble persists, notify next higher
level of maintenance.
15.
EXCESSIVE FUEL COMPTION.
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
2-72 and 2-73.
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.
Step 3.
Check for contaminated oil.
a.
If oil is contaminated, change oil, paragraph 2-113-2.
b. If oil is not contaminated or trouble persists, notify next higher level of maintenance.
16.
COOLANT IN CRANKCASE OR OIL IN COOLANT.
Check for defective oil cooler.
a.
If defective, replace oil cooler, refer to TM 9-2815-255-24.
b. If oil cooler is not defective, and trouble persists, notify next higher level of maintenance.
17. ENGINE VIBRATING.
Step 1.
Check for bent or broken cooling fan blades.
a.
If fan blades are not damaged, do step 2.
b. If damaged, replace cooling fan, paragraph 2-83.
Step 2.
Check for loose or defective engine mounts.
a.
Tighten loose mounting bolts.
b. If bolts are tight and problem persists, notify next higher level of maintenance.
18.
ENGINE FAILS TO START IN COLD WEATHER.
Step 1.
Test for low or no battery charge, paragraph 2-12-1.
a.
If batteries are fully charged, do step 2.
b. If not fully charged, replace batteries, paragraph 2-12.
2-22
