TM 10-4320-325-14
Table 5-1. Direct Support Troubleshooting Chart - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. DROP IN ENGINE ROTATION SPEED
Step 1. Check exhaust smoke color. Check abnormal operating sound.
Fuel system maintenance. (Refer to para 5-14 and 5-15.)
4. BLUISH-WHITE EXHAUST SMOKE
Step 1. Check engine rotation.
Uneven rotation. (Refer to para 5-14 and 5-15.)
5. PUMP DOES NOT PUMP
Step 1. Check pump priming procedure. (Refer to para 2-5.)
Replace shaft seal. (Refer to para 5-11.)
Section IV. DIRECT SUPPORT MAINTENANCE PROCEDURES
Maintenance procedures at direct support maintenance level include as necessary: removal, cleaning and inspection,
repair or replacement, and installation.
Unless the procedure requires special resources or tools, more than one maintenance person or specific equipment
conditions, these are not listed for each maintenance procedure. They are listed only for those procedures that require
them.
5-5
