Mitsubishi Electric PUZ-A12NKA7 Service Manual page 118

OPERATING PROCEDURE
12. Removing the compressor (MC)
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Remove 1 front cover panel fixing screws (5 × 12) and
remove the front cover panel. (See Photo 3)
(4) Remove 4 back cover panel fixing screws (5 × 12) and
remove the back cover panel.
(5) Remove the electrical parts box. (See Photo 4)
(6) Remove 3 valve bed fixing screws (2 × 12), 4 ball valve
and stop valve fixing screws (5 × 16), then remove the
valve bed.
(7) Remove 4 right side panel fixing screws (5 × 12) in the
rear of the unit and then remove the right side panel.
(8) Remove 3 separator fixing screws (4 × 10) and remove
the separator.
(9) Recover refrigerant.
(10) Remove the 3 points of the compressor fixing nut
using spanner or adjustable wrench.
(11) Remove the welded pipe of the compressor inlet and
outlet and then remove the compressor.
Note: Recover refrigerant without spreading it in the
air.
13. Removing the power receiver
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Remove 2 front cover panel fixing screws (5 × 12) and
remove the front cover panel. (See Photo 3)
(4) Remove 2 back cover panel fixing screws (5 × 12) and
remove the back cover panel.
(5) Remove the electrical parts box. (See Photo 3)
(6) Remove 3 valve bed fixing screws (4 × 10), 4 ball valve
and stop valve fixing screws (5 × 16), then remove the
valve bed.
(7) Remove the right side panel fixing screws (4 for the rear,
1 on the right/5 × 12) and then remove the right side
panel. (See Photo 1)
(8) Remove 3 separator fixing screws (5 × 12) Recover
refrigerant.
(9) Remove 2 welded pipes of accumulator inlet and outlet.
(10) Remove 2 accumulator leg fixing screws (4 × 10).
Note: Recover refrigerant without spreading it in the
air.
OCH636A
PHOTOS
Photo 11
Valve bed
Separator
Separator
fixing screw
Compressor
fixing nut
118
Inlet
Outlet
Valve bed
fixing screws
Accumulator
Compressor
(MC)
Accumulator
leg