Mitsubishi Electric PUZ-A12NKA7 Service Manual page 113

OPERATING PROCEDURE
13. Removing the compressor (MC)
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) R emove 2 front cover panel fixing screws (5 × 12) and
remove the front cover panel. (See Photo 1)
(4) R emove 2 back cover panel fixing screws (5 × 12) and
remove the back cover panel.
(5) Remove the electrical parts box. (See Photo 4)
(6) R emove 3 valve bed fixing screws (4 × 10) and 4 ball
valve and stop valve fixing screws (5 × 16) and then
remove the valve bed.
(7) R emove 3 right side panel fixing screws (5 × 12) in the
rear of the unit then remove the right side panel.
(8) R emove 2 separator fixing screws (4 × 10) and remove
the separator.
(9) Recover refrigerant.
(10) R emove the 3 points of the compressor fixing nut
using a spanner or a adjustable wrench.
(11) R emove the welded pipe of compressor inlet and outlet
then remove the compressor.
Note: Recover refrigerant without spreading it in the air.
14. Removing the power receiver
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) R emove 2 front cover panel fixing screws (5 × 12) and
remove the front cover panel. (See Photo 1)
(4) R emove 2 back cover panel fixing screws (5 × 12) and
remove the back cover panel.
(5) Remove the electrical parts box. (See Photo 4)
(6) R emove 3 valve bed fixing screws (4 × 10) and 4 ball
valve and stop valve fixing screws (5 × 16) then remove
the valve bed.
(7) R emove 3 right side panel fixing screws (5 × 12) in the
rear of the unit then remove the right side panel.
(8) Recover refrigerant.
(9) Remove 4 welded pipes of power receiver inlet and outlet.
(10) Remove 2 receiver leg fixing screws (4 × 10).
Note: Recover refrigerant without spreading it in the air.
OCH636A
Photo 11
Valve bed
Valve bed
fixing screw
Separator
Separator
fixing screw
Photo 12
Receiver leg
fixing screws
113
PHOTOS
Valve bed
fixing screws
Power
receiver
Compressor
Compressor fixing
nut
Inlet
Outlet
Power
receiver
Receiver
leg