CHART 2102. TROUBLESHOOTING (AIR CONDITIONING SYSTEM) (cont.)
Trouble Cause Remedy
System will not produce Refrigeration
sufficient cooling. (cont)
Insufficient refrigerant in Recharge system until bub
system. bles disappear in receiver
dehydrator and gauge read-
ings stabilize to specifi-
cations.
Clogged screen in expan- Purge system and replace
sion valve. expansion valve.
Expansion valve thermal Purge system; replace ex-
bulb has lost charge. pansion valve.
Clogged screen in receiver Purge system; replace re-
dehydrator. ceiver dehydrator.
Excessive moisture in Purge system; replace re-
system. ceiver dehydrator.
Air in system. Purge, evacuate and charge
system. (Replace receiver
dehydrator)
Excessively noisy system. Electrical
Defective winding or im- Replace or repair as nec-
proper connection in com- essary.
pressor clutch coil.
Mechanical
Loose or excessively worn Tighten or replace as re-
drive belts. quired.
Noisy clutch. Remove clutch for service or
replacement as necessary.
21 - 52 - 00
Page - 21 - 08
Reissued: August 1, 1986
1F22
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL
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