TM 5-4310-349-14
CHAPTER 5
DIRECT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS
Section I. REPAIR PARTS SPECIAL TOOLS AND EQUIPMENT
5-1.
Special Tools and Equipment
5-2.
Maintenance Repair Parts
There are no special tools or equipment required for
Repair parts and equipment covering direct and
maintenance of the air compressor assembly.
general support maintenance of the air compressor
assembly are listed and illustrated in Appendix C.
Section II. TROUBLESHOOTING
The possible remedy recommended is described
5-3.
General
opposite the probable cause. Any operational trouble
noted that is beyond the scope of operator or crew
This section provides information useful in
maintenance must be reported to field maintenance.
diagnosing and correcting unsatisfactory operation or
failure of the air compressor and its components. Each
trouble symptom stated is followed by a list of probable
causes of trouble.
Table 5-1. Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
ELECTRIC MOTOR FAILS TO START OR FAILS TO RUN
Step 1.
Leads not properly connected in conduit box.
Connect leads properly (fig. 1-3).
Step 2.
Magnetic starter not wired properly.
Connect leads properly (fig. 1-3).
Step 3.
Magnetic starter switch or pressure switch defective.
Replace or repair a defective magnetic starter (para 5-7) or pressure switch (para 5-8).
Step 4.
Line voltage of incoming source incorrect
Determine incoming power source and make correct connections
Step 5.
Motor defective.
Repair or replace motor (para 5-6).
2.
ELECTRIC MOTOR REVERSED.
Step 1.
Wiring incorrect.
Correct wiring (Refer to fig. 1-3).
3.
ELECTRIC MOTOR OVERHEATS.
Step 1.
Line voltage low from power source.
Connect to proper power source.
Step 2.
V-belts out of alinement.
Aline V-belts (para 3-7).
Step 3.
Compressor faulty.
Refer to compressor troubles (6-11 below).
Step 4.
Ventilation insufficient.
Provide proper ventilation.
Step 5.
Insufficient lubrication.
Lubricate the air compressor directed in the Lubrication Order LO 5410-349-12.
5-1
