Compressor Removal; Compressor Installation - Piper PA-32R-301 SARATOGA SP Maintenance Manual

COOLING (cont.)
O. Component Service (cont.)

(2) Compressor Removal

Environmental regulations may require use of a collection sys-
tem when necessary to evacuate freon from system
(a) Completely system discharge. (Refer to Discharging System.)
(b) Turn off air conditioning system circuit protector.
(c) Remove engine cowling and right front baffles.
(d) Disconnect compressor's magnetic clutch electrical leads.
(e) Depressurize air conditioning system.
Cap all open lines immediately to prevent dirt and moisture
from entering system.
(f) Remove suction and discharge lines from compressor service valves.
(g) Loosen bolt securing compressor idler pulley to release belt tension. Remove belt from
compressor pulley. (Do not force belt over the pulleys.)
(h) Support compressor and remove the 6 bolts securing compressor to engine mounting
brackets.

(3) Compressor Installation

(a) Place compressor to mounting brackets. Install the six bolts and progressively torque to 14-
17 foot pounds. Safety all bolts with .032 safety wire.
(b) Check oil level in compressor in accordance with instructions given in Checking
Compressor Oil.
Do not force the belt into the pulley sheave. If necessary,
remove the idler assembly.
(c) Place drive belt over clutch pulley and adjust the alignment of pulleys and belt in accordance
with instructions given in Replacement of Compressor and/or Alternator Drive Belts.
(d) Connect the discharge and suction lines to their respective service valve fittings.
Before operating air conditioner on the ground ensure test
area is clean and free of any loose objects. Use only service
valve located on evaporator assembly for testing.
(e) Evacuate and charge the system per Evacuating the System and Charging the System.
PIPER AIRCRAFT
PA-32R-301/301T
MAINTENANCE MANUAL
— CAUTION —
— NOTE —
— CAUTION —
— WARNING —
1I14
21-50-00
Page 21-31
Reissued: July 1, 1993