THE NEW PIPER AIRCRAFT, INC.
PA-32-301FT / 301XTC
MAINTENANCE MANUAL
PAGE 40
Jun 1/03
2E4
21-50-00
I. Expansion Valve
(1) Removal (see Figure 16.)
The expansion valve is in evaporator assembly between receiver dehydrator and evaporator
inlet. The capillary coil is attached to evaporator outlet line.
NOTE: If expansion valve is not serviceable, it must be replaced with a new part.
(a) Remove access panels, and discharge system. Refer to paragraph 3.C or 3.D, above.
(b) Remove capillary coil from outlet line. (Do not kink capillary tube.)
(c) Uncouple all related tube fittings. (See Special Servicing Procedures, paragraph 3.B,
above.)
(2) Installation
(a) Install expansion valve in inlet line of evaporator core. Apply P.A.G. lubricant on O-rings
and replace O-rings on fittings, torque fittings per Chart 3.
(b) Secure capillary coil to evaporator outlet line.
(c) Evacuate and charge system per paragraph 3.C or 3.D.
(d) Check for leaks. (See leak detection, paragraph 3.C or 3.D.)
(e) Replace access panels.
Expansion Valve
Figure 16
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