Piper Cherokee Six - Page 717

PIPER CHEROKEE
SIX SERVICE
MANUAL
TABLE
XIII-IV.
TROUBLESHOOTING
CHART
(AIR
CONDITIONER)
(cont.)
Trouble
Cause
Remedy
System
produces
no
cooling.
(cont.)
Electrical
(cont.)
Thermostat
sensing
element
defective.
Blower motor dis-
connected
or burned
out.
Check
thermostat
and
cabin
comfort
control
panel.
Check current flow
to blower motor.
Repair
or replace
if
inoperative.
Mechanical
Loose or broken drive
belt.
Compressor partially
or completely frozen.
Expansion
valve stuck
in open
position.
Replace drive belts
and/or
tighten
to
specifications.
13-22
and 13-23.
Remove compressor for
service or replacement
13-18.
Replace
exhaust
valve
13-38
Refrigeration
Broken
refrigerant
line.
Leak in system.
Examine all lines for
evidence
of breakage
by external stress or
rubbing wear.
Evacuate system, apply
static
charge,
leak
test system, and repair
leak as necessary, 13-13
and
13-9.
Revised:
11 4 83
ACCESSORIES
AND
UTILITIES
313