THE NEW PIPER AIRCRAFT, INC.
PA-32-301FT / 301XTC
MAINTENANCE MANUAL
PAGE 38
Jun 1/03
2E2
21-50-00
(2) Installation
On systems utilizing HFC 134a refrigerant, use only receiver-dehydrators marked with a
GREEN arrow.
(a) Slip mounting bracket around receiver and put it in place on evaporator housing with tube
fitting on top. Align fittings to proper line before securing mounting bracket.
(b) Replace O-rings on HFC-134a systems.
(c) Tighten fittings to torque listed in Chart 3.
(d) Evacuate and charge system per paragraph 3.C or 3.D, above.
H. Condenser
(1) Removal
Condenser is mounted in a frame assembly in fuselage bottom between stations 156.00 and
191.00.
(a) Discharge system per paragraph 3.C or 3.D, above. (See also paragraph 3.B, above.)
(b) Remove access panel from aft bulkhead of cabin.
(c) Remove condenser forward cover panel.
(d) Uncouple suction and discharge hoses at condenser fitting. (See paragraph 3.B, Special
Servicing Procedures, above.) Remove hose clamps holding hoses to condenser frame.
(e) Remove AN-3 bolts from upper ends of side hinges and rod ends.
(f) Support condenser assembly and remove bolt attaching actuating rod to condenser
assembly.
(g) Lower aft end of assembly on the piano hinge at assembly forward end.
(h) Remove eight screws attaching piano hinge to condenser frame assembly and remove.
(i) To remove condenser core from assembly, remove screws in the side mounting frame.
(2) Installation
(a) Install condenser core to frame assembly with hose fittings forward and RT fitting pointed
inboard.
(b) Place condenser and frame assembly to fuselage frame mounting bracket and insert the
eight screws into piano hinge.
(c) Attach side hinges, actuating rod, and rig per condenser assembly rigging instructions.
(d) Seal and couple hose fittings (seal with Loctite refrigerant sealant applied to flares only).
(e) Adjust condenser per condenser assembly rigging instructions, below.
WARNING: CONDENSER COVER PANEL(S) MUST BE REPLACED AND SEALED IN
THE ORIGINAL MANNER. IF NOT SEALED PROPERLY, EXHAUST GASES
CAN SEEP INTO CABIN DUE TO LOW PRESSURE AREA IN CABIN.
WARNING: TEST FOR CARBON MONOXIDE (CO) ON GROUND AND IN FLIGHT
WITH AND WITHOUT AIR CONDITIONER OPERATING. PRESENCE OF
CO MUST NOT EXCEED ONE (1) PART IN 20,000.
(f) Seal around condenser forward cover panel (and aft cover panel if removed) with
Permagum Bead No. 576 purchased from Prestolite Engineering Company (see Figure 15).
(3) Condenser Door Actuator
The actuator is on a bracket mounted between two bulkheads in tail cone. It is coupled to the
condenser assembly through a bellcrank mounted to a bracket on bulkhead aft of condenser.
Actuator travel is controlled by two limit switches. Both up and down switches are on the
actuator, see Figure 15 for switch locations.