TM 5-4310-277-14
Section Ill. TROUBLESHOOTING
b. This manual cannot list all malfunctions that
3-5. General
may occur, nor all test or inspections, and corrective
a. This section contains troubleshooting in-
action. If a malfunction is not listed or is not
formation for locating and correcting most of the
corrected by corrective actions, notify your
operating troubles which may develop in the air
supervisor.
compressor. Each malfunction for an individual
component, unit, or system is followed by a list of
tests or inspections which will help to determine
Refer to Table 3-2 for troubleshooting pertaining to
probable causes and corrective action to be taken.
operator's maintenance.
Perform the tests/inspections and corrective actions
in the order listed.
Table 3-2. Troubleshooting
Malfunction
Test or Inspection
Corrective Action
1. ENGINE FAILS TO START
Refer to TM 5-2805-203-14 for troubleshooting procedures.
2. ENGINE STOPS
Refer to TM 5-2805-203-14 for troubleshooting procedures.
3. COMPRESSOR OVERHEATS
Step 1. Inspect air cleaner for clogging.
Clean air cleaner by washing parts in soapy water, rinse and dry thoroughly.
Step 2. Inspect baffles for an accumulation of dirt or dust.
Clean baffles with dry compressed air.
Add oil in accordance with lubrication order, Figure 3-1.
4. COMPRESSOR PUMPS TOO SLOWLY
Step 1. Inspect the belt set for wear, fraying, or peeling. Inspect belt tension by pressing on the belts midway between
engine pulley and compressor flywheel.
If depression is more than one half inch (1.27 cm), refer to organisational maintenance for adjustment. If belts
are damaged, refer to organizational maintenance for replacement.
Step 2. Inspect air cleaner for clogging.
Clean air cleaner by washing parts in soapy water, rinse and dry thoroughly.
Step 3. Check oil level.
Add oil to crankcase, refer to Figure 3-1.
5. COMPRESSOR FAILS TO BUILDUP PRESSURE
Inspect air cleaner for clogging.
Clean air cleaner by washing parts in soapy water, rinse and dry thoroughly.
6. COMPRESSOR NOISY
Check oil level.
Add oil to crankcase, refer to Figure 3-1.
7. V-BELTS WORN EXCESSIVELY
Inspect the belt set for wear, fraying, or peeling. Inspect belt tension by pressing on the bolts midway between engine pulley
and compressor flywheel.
If depression is more than one half inch (1.27 cm), refer to organizational maintenance for adjustment. If belts
are damaged, refer to organizational maintenance for replacement.
Section IV. MAINTENANCE PROCEDURES
organizational maintenance for removal and ad-
3-7. General
justment.
The instructions in this section are published for
information and guidance of the operator to maintain
the air compressor.
a. Disassembly.
(1) Remove the bolt (1, fig. 3-3) securing the
3-8. V-Belts
a. Inspection.
cover (2).
(2) Remove the screen (3) and element (4) from
(1) Inspect belts for fraying, cracks, and wear.
the plate (5).
(2) Inspect for loose adjustment.
b. Adjustment and Replacement, Refer to
