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TM 10-4320-348-14
Table 4-3. Unit Troubleshooting
Malfunction
Test or Inspection
Corrective Action
1. STARTING HANDLE PULLS BUT ENGINE FAILS TO START
Check for air in fuel pipe to injection nozzle.
Step 1. Remove sound enclosure cover assembly. (Refer para 2.7a (2)).
Step 2. Disconnect fuel injection pipe from fuel injection nozzle.
Step 3. Push decompression lever down. Hold pipe in same hand as decompression lever.
Step 4. Pull the recoil starter several times with no compression until fuel is ejected from pipe.
Step 5. Reconnect injection pipe to injection nozzle.
Step 6. Attempt to start engine. (Refer para 2.7).
Step 7. Reinstall the sound enclosure cover assembly. (Refer para 2-7c (4)).
If the starting procedures have been performed correctly but engine still fails to start, notify Direct
Support Maintenance.
2. EXCESSIVE LUBRICATION OIL CONSUMPTION
Step 1. Check for leakage at oil drain plug or oil dipstick.
Tighten oil drain plug or push dipstick all the way into the oil pan.
Step 2. Check for a black smoky exhaust and oil in exh aust 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 4-27).
Step 2. Check recoil spring for jamming.
Replace defective recoil starter. (Refer to para 4-27).
Step 3. Remove recoil starter and inspect cam.
4. RECOIL STARTER ROPE DOES NOT REWIND
Visually check if rope and mechanism are binding.
Replace frayed or worn starter rope or defective recoil starter. (Refer to para 4-27).
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