Piper Navajo Chieftain PA-31-350 Service Manual page 920

NAVAJO CHIEFTAIN SERVICE MANUAL
TABLE XIV-XV. TROUBLESHOOTING CHART (AIR CONDITIONER) (cont)
Trouble
Cause
Remedy
Excessively noisy
system.(cont.)
Refrigeration
Excessive charge
in system.
Low charge in
system.
Excessive mois-
ture in system.
Discharge excess
freon until high
pressure gauge
drops within
specifications.
Check system for
leaks; charge sys-
tem.
Replace dehydrator;
purge, evacuate, and
charge system.
Reissued: 9/23/80
ACCESSORIES AND UTILITIES
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