Piper Lance II - Page 559

LANCE
II SERVICE
MANUAL
TABLE
XIV-IV.
TROUBLESHOOTING
CHART
(AIR
CONDITIONER)
(cont.)
Gauge
Indication
Probable
Causes
Remedy
High suction
pressure.
(cont.)
Compressor
drive
belt
slipping.
Adjust
belt
tension,
14-23.
Magnetic
clutch
slipping.
Leaking
or broken
compressor
valves.
Cause -
Check
electrical
circuit
for correct
voltage
to
clutch
coil.
Clean
clutch
surfaces
of
oil.
Replace
compressor.
Remedy
Trouble
Condenser
door
will
not close
when
air
conditioner
switch
is
in
the
"OFF"
position.
Faulty relay
"K-2."
Replace
relay.
System
produces
no
cooling.
Electrical
Blown
fuse
in
control
head.
Open circuit
breaker.
Broken
or disconnected
electrical
wire.
Broken
or disconnected
ground
wire.
Clutch
coil burned
out
or
disconnected.
2L7
Replace
fuse.
Reset
circuit
breaker.
Check all
terminals
for
loose connections:
check
wiring
for hidden
breaks.
Check
ground
wire to
see
if loose,
broken,
or
disconnected.
Check
current
flow to
clutch,
replace if
in-
operative.
Issued:
1/3/78
ACCESSORIES
AND
UTILITIES