TM 5-4310-386-14
Section II. GENERAL SUPPORT TROUBLESHOOTING
Paragraph
Page
6-4
General ....................................................................................................................... 6-2
6-5
General Support Troubleshooting Procedures.............................................................. 6-2
6-4.
General. This section contains troubleshooting procedures to determine the probable cause of observed
equipment malfunctions. Test or inspections are provided to isolate the faulty component and corrective actions are
provided to eliminate the malfunction.
6-5.
General Support Troubleshooting Procedures. Table 6-1 lists the common malfunctions that may be found
during operation. This manual cannot list all malfunctions that may occur, nor all test or inspections and corrective
actions. If a malfunction is not corrected by listed corrective actions, notify your supervisor.
SYMPTOM INDEX
Symptom
Page
1.
Sight glass exhibits air bubbles......................................................................................................6-2
2.
Compressor does not attain final pressure.....................................................................................6-3
3.
Compressor air delivery is insufficient ...........................................................................................6-3
4.
Engine fails or is difficult to start....................................................................................................6-3
5.
Temperature shutdown activates warning......................................................................................6-3
6.
Engine gives poor performance.....................................................................................................6-3
7.
Engine oil pressure zero or too low................................................................................................ 6-4
8.
Engine Smokes blue......................................................................................................................6-4
9.
Engine smokes white.....................................................................................................................6-4
10.
Engine smokes black.....................................................................................................................6-4
11.
Engine does not run smoothly.......................................................................................................6-5
12.
Engine Oil Consumption Excessive............................................................................................... 6-5
Table 6-1. General Support Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
SIGHT GLASS EXHIBITS AIR BUBBLES.
Check to see if oil relief valve is defective.
Replace oil relief valve (para. 5-12).
2.
COMPRESSOR DOES NOT ATTAIN FINAL PRESSURE.
Check to see if there is excessive piston clearance.
Replace (para. 6-10).
6-2
