Table 4-3. Unit Troubleshooting. Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 2. Check for air in fuel lines.
Refer to MALFUNCTION 7.
Step 3. Check for clogged fuel filter element.
Refer to para. 4-19 and check fuel filter element for clogging. If element is clogged, replace it.
If element is not clogged, notify direct support maintenance.
Step 4. Check for clogged fuel lines.
Refer to para. 4-17 and disconnect/check that all fuel lines are clear and open.
If fuel lines are not clogged, notify direct support maintenance.
2. EXCESSIVE LUBRICATION OIL CONSUMPTION.
Step 1. Check for leakage at oil drain plug or oil filler cap.
Tighten oil drain plug or oil filler cap.
Step 2. Check for a black smoky exhaust and oil in exhaust discharge.
Notify direct support maintenance.
3. RECOIL STARTER ROPE DOES NOT UNWIND FREELY.
Step 1. Visually inspect rope for fraying, wear, or jamming.
Replace frayed or worn rope. (Refer to para 4-29.) Step 2. Check recoil spring for jamming.
Replace defective recoil starter. (Refer to para 4-29.)
4. RECOIL STARTER ROPE DOES NOT REWIND.
Visually check if rope and mechanism are binding.
Replace starter rope of recoil starter. (Refer to para 4-29.)
5. ENGINE CRANKSHAFT DOES NOT TURN AS THE ROPE IS PULLED.
Remove recoil starter and inspect cam.
Replace recoil starter (Refer to para 4-29.)
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