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TM 10-4320-324-14
Table 4-2. Troubleshooting CONT.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE ASSEMBLY (CONT)
3.
COLD START SYSTEM FAILS TO ASSIST CRANKING OF ENGINE DURING COLD START (CONT).
Step 3. Check for clogged injector nozzle.
Clean or replace injector nozzle.
4.
CANNOT ADJUST ENGINE SPEED.
Step 1. Check for bent, broken, or damaged control arm.
Refer to paragraph 4-39 and replace throttle control.
Step 2. Check for frozen fuel control lever at injection pump.
Free fuel control lever.
Notify direct support maintenances.
5.
ENGINE OVERHEATS.
Step 1. Inspect cooling fins on cylinders and cylinder heads for dirt.
Clean cooling fins.
Step 2. Check for blockage of cooling air input to blower.
Ensure free cooling air flow.
Step 3. Inspect for broken or missing v-belt.
Refer to paragraph 4-34 and replace v-belt.
Step 4. Check condition and operation of cooling fan.
Notify direct support maintenance.
Step 5. Refer to paragraph 3-9 and check engine oil level.
Add oil as required (see LO 10-4320-324-12).
Step 6. Refer to LO 10-4320-324-12 and check oil for proper viscosity.
Refer to paragraph 4-52 and replace oil filter and oil with oil of proper viscosity.
4-13
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