Piper SARATOGA PA-32-301 Maintenance Manual page 145

PIPER AIRCRAFT
PA-32-301/301T
MAINTENANCE MANUAL
TO EVAPORATOR
VALVE ASS'Y
CAPILLARY COIL
FROM RECEIVER
DEHYDRATOR
Figure 21-15. Expansion Valve
REMOVAL OF EXPANSION VALVE. (Refer to Figure 21-15.)
The expansion valve is located in the evaporator assembly between the receiver drier and the evaporator
inlet. The capillary coil is attached to the evaporator outlet line.
1. Remove the necessary access panels and discharge system.
2. Remove the capillary coil from the outlet line. (Do not kink the capillary tube.)
3. Uncouple all related tube fittings. (See Special Servicing Procedures.)
-
NOTE -
If this part is not serviceable, it must be replaced with a new part.
INSTALLATION OF EXPANSION VALVE.
1. Install the expansion valve in the inlet line of the evaporator core by coupling the related fittings.
(Seal all couplings with sealant applied to tube flanges only.) Torque fittings per Chart 2105.
2. Secure the capillary coil to the evaporator outlet line.
3. Evacuate and charge the system. (See Evacuating the System and Charging the System.) Check for
leaks (See Checking the System for Leaks.)
4. Replace access panels.
21-58-21
Page 21-39
Revised: August 11. 1983
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