TM 5-4310-275-14
D I R E C T SUPPORT AND GENERAL SUPPORT
MAINTENANCE INSTRUCTIONS
Section I. REPAIR PARTS, SPECIAL TOOLS AND EQUIPMENT
perform direct and general support and depot
5-1. Tools and Equipment
maintenance on the compressor assembly.
Tools, equipment and repair parts issued with or
authorized for the compressor assembly are listed
in TM 5-4310-275-24P. Refer to TM 5-2805-257-
Repair part's and equipment are listed and
24P for engine tools and equipment.
illustrated in TM 5-4310-275-24P. Refer to TM 5-
5-2. Special Tools and Equipment
2805-257-24P for engine repair parts and
equipment.
No special tools and equipment are required to
Section Il. TROUBLESHOOTING
NOTE
5-4. General
R e f e r t o TM 5-2802-257-14 for engine
This section provides information useful in
troubleshooting instructions.
diagnosing and correcting unsatisfactory
operation or failure of the compressor assembly or
Maintenance Troubleshooting
any of its components. Each trouble symptom
stated is followed by a list of probable causes. The
Refer to Table 5-1 for troubleshooting pertaining
to direct support and general support main-
possible remedy recommended is described op-
posite the probable cause.
tenance.
Table 5-1. TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. INSUFFICIENT AIR FLOW, LOW OUTLET PRESSURE, OR EXCESSIVE PUMPUP TIME
Step 1. Inspect all connecting tubes and fittings for air leaks.
Tighten all connections, if the air leak continues, then replace the defective part with a similar item.
Step 2. Inspect the pressure relief valve for damage, defect (open) or escaping air.
Replace a defective pressure relief valve.
a. Removal.
(1) Disconnect all air lines.
(2) Remove all mounting hardware.
(3) Unscrew the relief valve.
b. Installation.
(1) Screw in the pressure relief valve.
(2) Install all mounting hardware.
(3) Connect all air lines.
Step 3. Check for leakage from the pneumatic dump valve due to damaged, dirty or defective parts.
Clean and/or replace the valve.
a. Removal.
(1) Depress push valve on the-control panel to relieve air pressure.
(2) Remove the pressure relief valve, check valve, and back pressure valve.
(3) Remove the separator and filter assembly.
