ARMY TM 9-2805-258-14
AIR FORCE TO 38G2-89-21
NAVY NAVFAC P-8-614-14E
Table 4-2. Unit Troubleshooting Procedures (cent).
Malfunction
Test or Inspection
Corrective Action
4. ENGINE SURGES OR OVERSPENDS.
Step 1. Check governor.
Adjust governor (para. 4-44),
Step 2. Check carburetor.
Adjust carburetor (para. 4-47),
Step 3. Test fuel pump pressure.
Replace a defective fuel pump (para. 4-49).
5. E N G I N E O V E R H E A T S.
Step 1. Check ignition timing.
Adjust ignition timing (para. 4-33).
Step 2. Check carburetor.
Adjust carburetor (para. 4-47).
6. ENGINE OIL CONSUMPTION EXCESSIVE.
Step 1.
Step 2.
Step 3.
Check oil breather tube.
Clean a dirty oil breather tube (para. 4-1 8).
Check air breather reed.
Replace a worn or otherwise damaged breather reed (para. 4-55).
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. Perform compression test (para. 4-56).
Notify direct support maintenance if readings are not to specification.
4 -6
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