TM 5-4310-275-14
requirements. Refer to able 4-1 for the quarterly
b. The item numbers are listed consecutively
minimum
preventive maintenance services.
and
i n d i c a t e the sequence of
Work
Time
Item to be inspected
(M/ H)
Procedure
0.2
TOWING ATTACHMENTS
1
Check for bent or broken parts.
0.3
ENGINE FUEL FILTER
2
Service as required.
0.2
FUEL TANK
3
Clean fuel tank cap. Inspect for damaged screen. Check attaching hardware for tightness.
0.2
ENGINE CONTACT ASSEMBLIES
4
Adjust point gap at 0.018 in. (.0457 cm).
0.2
ENGINE AIR CLEANER
5
Service as required.
0.1
ENGINE AIR CLEANER INDICATOR
6
Check for red warning signal.
0.1
ENGINE OIL DIPSTICK
7
Check engine lubricating oil level. Add oil as required.
0.2
COMPRESSOR CRANKCASE FILL AND BREATHER ASSEMBLY
8
Clean and inspect for damaged parts.
0.2
9
TIRES
Check tire inflation pressure.
0.2
10
WHEEL ASSEMBLY
Inspect for worn bearings.
0.4
11
ENGINE SPARK PLUGS
Clean and adjust gap at 0.028 in. (.0711 cm) to 0.033 in. (.0838 cm).
0.2
12
AIR LINE FILTER
Replace filter element.
0.2
13
MOUNTING HARDWARE
Check for loose nuts and bolts.
Section V. TROUBLESHOOTING
4-10. General
NOTE
R e f e r t o TM 5-2804-257-14 for engine
This section provides information useful in
troubleshooting instructions.
diagnosing and correcting unsatisfactory
operation or failure of the compressor assembly
and its components. Each trouble symptom
bleshooting
stated is followed b y a list of probable causes. The
Refer to Table 4-2 for troubleshooting pertaining
possible remedy recommended is described op -
to organizational maintenance.
posite the probable cause. Any trouble beyond
the scope of organizational maintenance shall be
reported to direct support maintenance.
Table 4-2. TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. INSUFFICIENT AIR FLOW, LOW OUTLET PRESSURE, OR EXCESSIVE PUMP-UP 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.
