Piper Navajo Chieftain PA-31-350 Service Manual page 919

NAVAJO CHIEFTAIN SERVICE MANUAL
TABLE XIV-XV. TROUBLESHOOTING
CHART (AIR CONDITIONER)
(cont)
Trouble Cause
Remedy
Excessively noisy
system.
Electrical
Defective winding
or improper connec-
tion in compressor
clutch coil or sole-
noid.
Replace or repair
as necessary.
Mechanical
Loose or exces-
sively worn drive
belts.
Noisy clutch.
Compressor noisy.
Compressor oil
level low.
Circulating fan
noisy, excessive
wear in blower
motor.
413
Tighten or replace
as required.
Remove clutch for
service or replace-
ment as necessary.
Check mountings
and repair: remove
compressor for ser-
vice or replace-
ment.
Fill with correct
specified oil.
Remove blower
motor for ser-
vice or replace-
ment as necessary.
Reissued: 9/23/80
ACCESSORIES AND UTILITIES