Piper Dakota Maintenance Manual page 136

CHART 2102. TROUBLESHOOTING (AIR CONDITIONING SYSTEM) (cont)
Trouble
Excessively noisy system.
(cont)
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL
Cause
Electrical (cont)
Compressor noisy.
Compressor oil level low.
Refrigeration
Excessive charge in system.
Low charge in system.
Excessive moisture in
system.
1F23
Remedy
Check mountings and repair;
remove compressor for ser-
vice or replacement.
Fill with correct amount of
specified oil.
Discharge excess freon until
high pressure gauge drops
within specifications.
Check system for leaks;
charge system.
Replace dehydrator; purge.
evacuate, and charge system.
21 - 52 - 00
Page - 21 - 09
Reissued: August 1, 1986