—WARNING—
Be careful when removing charging hose from Schrader valve.
Hose will have refrigerant remaining in it and become very cold
as the gas escapes.
11. Shut off air conditioner and engine. Remove charging hose from Schrader valve.
12. Replace access panels.
COMPRESSOR
COMPRESSOR SERVICE
Maintenance to this unit and its related components is limited to replacement of worn drive belt and
magnetic clutch. Any other service requires removal of compressor from system.
—CAUTION—
Be careful to prevent dirt or foreign maternal from entering the
system. All hose and tubing ends must be capped immediately.
Any lubrication required in assembly of components should be
refrigerant oil of type used in compressor.
—CAUTION—
Compressor field service is not recommended maintenance
should only be done by a qualified shop with trained personnel.
COMPRESSOR REMOVAL
1. Compressor removal requires a complete system discharge. (Refer to Discharging.)
2. Set air conditioning system circuit protector to OFF.
3. Remove engine cowling and right front baffles.
4. Disconnect electrical leads to magnetic clutch on compressor.
5. Remove suction and discharge lines from service valves on compressor.
—CAUTION—
All open lines must be capped immediately to prevent dirt and
moisture from entering system.
6. Loosen bolt securing compressor idler pulley to release belt tension and remove belt from compressor
pulley. (Do not force belt over pulleys,)
7. Support compressor and remove 6 bolts securing compressor to engine mounting brackets.
21 - 53 - 00
Page - 21 - 25
Reissued: August 1, 1986
1G15
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL
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