Piper SARATOGA PA-32-301 Maintenance Manual page 116

PIPER AIRCRAFT
PA-32-301/301T
MAINTENANCE
MANUAL
CHART 2103. TROUBLESHOOTING (AIR CONDITIONING SYSTEM) (cont)
Trouble
Cause
Remedy
System produces no
cooling. (cont)
Refrigeration
Broken refrigerant line.
Examine all lines for
evidence of breakage by
external stress or rubbing
wear.
Leak in system.
Compressor shaft seal
leaking.
Clogged screen or screens .
in receiver dehydrator or
expansion valve; plugged
hose or coil.
Evacuate system, apply
static charge, leak test
system, and repair leak as
necessary.
Replace compressor.
Repair as necessary.
System will not produce
sufficient cooling.
Electrical
Blower motor sluggish in
operation.
Remove blower motor for
service or replacement.
Mechanical
Compressor clutch slipping.
Obstructed blower passage.
Insufficient air circu-
lation over condenser
coils; fins clogged with
dirt or bugs.
Evaporator filter clogged.
Remove clutch assembly for
service or replacement.
Examine entire passage for
obstruction. Correct as
necessary.
Clean condenser coils.
Clean with cleaning
solvent to remove
cigarette tars.
21-52-00
Page 21-10
Revised: August 11, 1983
1E20