CHART 2102. TROUBLESHOOTING (AIR CONDITIONING SYSTEM) (cont)
Trouble Cause Remedy
System produces no Refrigeration
cooling, (cont)
Broken refrigerant line. Examine all lines for evidence
of breakage by external stress
or rubbing wear.
Leak in system. Evacuate system, apply static
charge, leak test system, and
repair leak as necessary.
Compressor shaft seal Replace compressor.
leaking.
Clogged screen or screens in Repair as necessary.
receiver dehydrator or ex-
pansion valve; plugged hose
or coil.
System will not produce Electrical
sufficient cooling.
Blower motor sluggish in Remove blower motor for
operation. service or replacement.
Mechanical
Compressor clutch slipping. Remove clutch assembly for
service or replacement.
Obstructed blower passage. Examine entire passage for
obstruction. Correct as
necessary.
Insufficient air circulation Clean condenser coils.
over condenser coils; fins
clogged with dirt or bugs.
Evaporator filter clogged. Clean with cleaning solvent
to remove cigarette tars.
21 - 52 - 00
Page - 21 - 07
Reissued: August 1, 1986
1F21
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL
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