Piper ARROW III Service Manual page 574

CHEROKEE ARROW III SERVICE MANUAL
TABLE XIV-IV. TROUBLESHOOTING CHART (AIR CONDITIONER) (cont)
Trouble
System will not produce
sufficient cooling. (cont)
Excessive noisy
system.
Revised: 2/13/89
Cause
Mechanical
Clogged screen in
expansion valve.
Expansion valve
thermal bulb has
lost charge.
Clogged screen in
receiver dehydrator.
Excessive moisture
in system.
Air in system.
Electrical
Defective winding or
improper connection
in compressor clutch
coil.
Mechanical
Loose or excessively
worn drive belts.
Noisy clutch.
3B22
Remedy
Purge system and replace
expansion valve, 14-35.
Purge system; replace
expansion valve, 14-35.
Purge system; replace
receiver dehydrator,
14-32.
Purge system; replace
receiver dehydrator,
14-32.
Purge, evacuate and
charge system, 14-13
and 14-14. (Replace
receiver dehydrator,
14-32.)
Replace or repair as
necessary, 14-24.
Tighten or replace as
required, 14-22 and
14-23.
Remove clutch for service
or replacement as necessary,
14-24.
ACCESSORIES AND UTILITIES