TM 5-6115-434-12
Table 3-3. Troubleshooting
Malfunction
Probable cause
Corrective action
22
Cooled air system will
a. System low on refrigerant
a. Check sight glass. If refriger-
not deliver cooled air
ant is low, refer the
(refer also to mal-
trouble to direct and
functions listed under
general support mainte-
item 20).
nance personnel.
b. Solenoid valves, pressure
b. Refer failure to direct and
controls, metering devices
general support mainte-
and lines leaking or failed.
nance personnel.
c. Compressor time delay and
c. Replace failed relay (K17)
reset relay (K17) or (K18)
or (K18) as required
failed.
(para. 3-57c).
d. Other causes.
d. Refer other causes to direct
and general support main-
tenance personnel.
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