TM 5-4310-358-14
Section V. TROUBLESHOOTING
and corrective actions. If a malfunction is not listed or is
4-10.
Scope.
not corrected by listed corrective actions, you should
a. This section contains troubleshooting or
notify higher level maintenance.
malfunction information and tests for locating and
correcting most of the troubles which may develop in the
c. Only those functions which are solely within the
air compressor. Each malfunction or trouble symptom
cope of organizational maintenance are listed. For
for an individual component, unit, or system is followed
troubleshooting procedures which are within the scope
by a list of tests or inspections necessary for you to
of operator/crew maintenance, refer to paragraph 3-3.
determine probable causes and suggested corrective
actions for you to remedy the malfunction.
4-11. Organizational Maintenance Troubleshooting
Chart. Refer to table 4-2 for troubleshooting which is
b. This manual cannot list all possible malfunctions
allocated organizational maintenance levels.
that may occur oo all tests or inspections,
NOTE
Before you use this table be sure you have performed all operating checks.
Table 4-2. Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
Compressor Pumping Oil
Step 1. Check for a leaking release
Refer to paragraph 4-16 and replace a
valve.
leaking release valve.
Step 2. Check for a hot cylinder
Notify direct support maintenance.
head. If one seems hotter than the
other, there could be damage to the
rings
2.
Knocks or Rattles
Step 1. Check for loose belt wheel
Refer to fig ure 4-4 and replace the
or pulley.
electric motor if the pulley is bad.
Step 2. Check for leaking release
Refer to paragraph 4-16 and replace a
valve.
leaking release valve.
3.
Air Delivery Dropping
Step 1. Check for air leaks in
piping.
a. Make a solution of soapy water.
b. Apply to the fittings, if a
Refer to paragraph 4-18 and replace
leak is present it will be indicated
fittings if tightening does not stop the
by the soapy water bubbling.
bubbles.
Step 2. Check for a leaking release
Refer to paragraph 4-17 and replace a
valve.
leaking valve.
Step 3. Check for restricted air
Notify Direct Support Maintenance.
passages, leaking or broken valves.
4.
Motor Overload Relay Trips
Step 1. Check line voltage or motor
Tighten loose connections.
terminals for loose connections.
Step 2. Check for defective starter
If a defective starter heater is found,
heaters.
notify Direct Support Maintenance.
4-5
