ARMY TM 9-2805-259-14
AIR FORCE TO 38G2-89-54
NAVY NAVFAC P-8-615-14E
Table 4-2. Unit Troubleshooting Procedures (cont).
Malfunction
Test or Inspection
Corrective Action
4. ENGINE SURGES OR OVERSPEEDS (cont).
Step 3. Test fuel pump pressure.
Replace a defective fuel pump (para. 4-48).
5. ENGINE OVERHEATS.
Step 1. Check ignition timing.
Adjust ignition timing (para. 4-33).
Step 2. Check carburetor.
Adjust carburetor (para. 4-46).
6. ENGINE OIL CONSUMPTION EXCESSIVE.
Step 1. Check oil breather tube.
Clean a dirty oil breather tube (para. 4-18).
Step 2. Check air breather reed.
Replace a worn or otherwise damaged breather reed (para. 4-54).
Step 3. Check crankcase breather.
Clean or replace a clogged or otherwise damaged crankcase breather (para. 4-27).
7. ENGINE LACKS POWER.
Step 1. Check air cleaner restriction indicator.
Service air cleaner (para. 4-14).
Step 2. Check compression (para. 4-55).
Notify direct support maintenance of inadequate readings.