ARMY TM 9-6115-645-24
AIR FORCE TO 35C2-444-12
MARINE CORPS TM 09244A/09245A-24/2
TABLE 2-6. UNIT TROUBLESHOOTING - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
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, paragraphs 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 the oil, paragraph 2-112.2.
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 oil cooler is defective, replace and refer to TM 9-2815-256-24.
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 2-82.
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.
Step 2. Check for improper lube oil type.
a. If proper lube oil type, do Step 3.
b. If improper, drain oil and refill with proper lube oil type (TABLE 2-3), paragraph 2–1 12.2. Replace oil
filter in accordance with TM 9-2815-256-24.
2-20
