Compressor Service; Compressor Removal - Piper CHEROKEE WARRIOR PA-28-151 1995 Maintenance Manual

PIPER CHEROKEE WARRIOR SERVICE MANUAL
11. When charge is properly established:
A. Stop engine.
B. Close valve on refrigerant tank.
C. Close low side valve on manifold set.
(12) Disconnect manifold set hoses from service valves.
(13) Install protective caps on service valve.
(14) Install rear close out panel.

14-15. COMPRESSOR SERVICE.

Prevent dirt or foreign material from entering system. Cap all
hose and tubing ends immediately. Use same type refrigerant
oil (mineral oil) as in compressor to lubricate components for
assembly.
Do not service compressor in the field. Service must be done by a qualified shop having special
equipment and trained personnel to properly service unit.
Maintenance to unit and related components is limited to worn drive belt and magnetic clutch
r e p l a c ement. Other service requires compressor removal from system.

14-16. COMPRESSOR REMOVAL.

Cap all open lines immediately to prevent dirt and moisture
from entering system.
United States environmental regulations prohibit the release of
refrigerant into the atmosphere. Special equipment is required
when discharging or charging system.
a. Circuit protector for air conditioning system must be off.
b. Remove engine cowl and right front baffles.
c. Disconnect electrical leads to magnetic clutch on compressor.
d . Using an approved refrigerant recovery system, completely discharge and depressurize air
c o n d itioning system. Refer to Paragraph 14-12.
e. Remove suction and discharge lines from compressor service valves.
f . Loosen bolt securing compressor idler pulley to release belt tension and remove belt from
c o mpressor pulley. Do not force belt over pulleys.
g. Support compressor and remove 6 bolts securing compressor to engine mounting brackets and
remove compressor from engine compartment.
Revised: February 28, 1995
CAUTION
CAUTION
NOTE
3B9
Island Enterprises
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