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 TM5-4120-384-14
Table
5-1.
TROUBLESHOOTING-Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step
2.
Check that the LOW and HIGH PRESSURE cutoff
switches are not tripped.
Press and release the LOW and HIGH PRESSURE
switches to RESET.
If switches do not remain
in, check and/or replace switches.
(See para
27.)
Step
3.
Check that the compressor motor internal
overload
switch is operational.
(See para 5-33.)
Replace compressor
if
thermal
cutoff
switch
is
defective.
Step
4.
Inspect and
check
compressor
for
burnout.
(See
Replace
burned
out
compressor.
2.
COMPRESSOR SHORT CYCLES.
Step
1.
Check for
obstructions
in
front
of condenser
screen.
Remove obstructions
and/or
roll up
and
secure
canvas cover.
Step
2.
Check
for
dirt
in
coil.
(See
Clean
coil.
Step
3.
Check if HIGH PRESSURE cutoff switch RESET is out.
Push and release HIGH PRESSURE switch to RESET.
Use great care to avoid contact with liquid
refrigerant or refrigerant gas being
discharged from any container under pressure.
Sudden and irreversible tissue damage can
result from freezing.
5-5
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