Panasonic U-10MF1E8 Service Manual page 78

10. Compressor
(C) Replacing constant-speed compressor 2 (Compressor 3 on the remote controller alarm display)
Removal
(1) Connect the manifold gauge to the high- and low-pressure outlet ports at the outdoor unit where the compressor
will be replaced. Connect the manifold gauge to a nitrogen cylinder and perform nitrogen gas replacement.
(2) Follow the instructions in "1. Removing Panels" and "2. Removing Electrical Component Box and Duct" and
remove the corresponding parts from the outdoor unit where the compressor will be replaced.
(3) Remove the cap at the compressor terminal plate. Disconnect the power terminal.
(4) Remove the crankcase heater.
(5) Remove the bolts, washers, and rubber washers (1 each at 3 locations).
* The compressor right inner leg is not anchored.
(6) Prepare to disconnect the 3 brazed locations shown in the figure 27.
2
Cut clamps
CAUTION
(7) Disconnect the 3 brazed locations shown in the figure 27.
* First disconnect the ø6.35 tube, then disconnect the ø12.7 and ø22.22 tubes.
(8) Cut clamps as shown in the figure 27, and then pull the compressor toward you.
Discharge sensor outlet
Front view
Crankcase
heater
Protect the sensors, and the plates, rubber, lead wires, clamps, and other items
located around the sensors.
Pay particular attention to protection of the check valve shown in the figure, and to
removal of the discharge sensor.
Fig. 27
2 - 34
3-WAY SYSTEM
Outdoor Unit Repair Procedures
Brazed
locations (3)
Constant-speed
compressor (right)
Bolts
Washer: 1
Rubber washer: 1
(1 each at 3 locations)