Piper SEMINOLE PA-44-180, Maintenance Manual

Page: 184 / 881

REMOVAL OF CONDENSER.
1. Remove the baggage compartment close-out panel.
2. Completely discharge the system and disconnect the suction and discharge lines at the condenser.
— Note —
Cap all lines and fittings to prevent foreign matter from entering the system.
3. Disconnect the condenser blower motor wires.
4. Remove the twelve screws which secure the condenser blower duct at the blower inlet.
5. Remove the remaining fourteen screws which secure the condenser duct to the airframe and remove the
blower assembly.
6. Remove the condenser from the blower assembly.
INSTALLATION OF CONDENSER. (Refer to Figure 21-33)
1. Install seals to condenser and duct as shown in Figure 21-33 using neoprene rubber adhesive conforming
to PMS-C1002. (Example: Scotch Grip 2210.)
2. Place condenser into condenser duct and place duct into position in tailcone.
3. Attach duct to airframe with fourteen screws, nuts, and washers. Do not tighten screws at this point.
(Make certain the condenser suction line clamp is attached to the condenser duct as shown in
Figure 21-33)
4. Install twelve screws and washers which secure the blower duct at the blower inlet.
5. Tighten all screws.
6. Attach the suction and discharge lines to condenser. (Refer to Refrigerant Line Fitting Torque Chart.
Figure 21-24 for appropriate torque.)
7. Use PRC-5000 Sealant to complete the condenser duct to airframe seal.
8. With the condenser secured, evacuate and recharge the system.
9. With the system completely charged, check for leaks.
10. Replace and secure access panels.
EXPANSION VALVE.
The expansion valve is located in the evaporator assembly between the receiver-dehydrator and the evaporator
inlet. The capillary coil is attached to the evaporator outlet line.
REMOVAL OF EXPANSION VALVE.
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 fitting.
— Note —
If this part is not serviceable, it must be replaced with a new part.
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
2 1 - 5 3 - 1 3
Page 21-73
Revised: May 15, 1989
1H16
PIPER AIRCRAFT