Mitsubishi Electric PUZ-A18NHA2 Service Manual page 120

OPERATING PROCEDURE
12. Removing the compressor (MC)
(1) Remove the service panel. (See figure 1.)
(2) Remove the top panel. (See figure 1.)
(3) Remove 2 front cover panel fixing screws (5 ✕ 10) and
remove the front cover panel. (See photo 3.)
(4) Remove 2 back cover panel fixing screws (5 ✕ 10) 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 3 right side panel fixing screw (5 ✕ 10) 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 motor for compressor fixing
nut using spanner or adjustable wrench.
(11) Remove the welded pipe of motor for compressor inlet
and outlet and then remove the compressor.
Note: Recover refrigerant without spreading it in the air.
13. Removing the accumulator
(1) Remove the service panel. (See figure 1.)
(2) Remove the top panel. (See figure 1.)
(3) Remove 2 front cover panel fixing screws (5 ✕ 10) and
remove the front cover panel. (See photo 3.)
(4) Remove 2 back cover panel fixing screws (5 ✕ 10) 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 3 right side panel fixing screw (5 ✕ 10) in the
rear of the unit and then remove the right side panel.
(8) 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.
HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
CCopyright 2007 MITSUBISHI ELECTRIC ENGINEERING CO., LTD.
Distributed in Nov. 2007 No.OCH429 PDF 9
Made in Japan
PHOTOS
Photo 10
Valve bed
Separator
Separator
fixing screw
Compressor
fixing nut
Photo 11
Compressor
Accumulator leg
(MC)
fixing screws
New publication, effective Nov. 2007
Specifications subject to change without notice
Valve bed
fixing
screws
Accumulator
Compressor
(MC)
Inlet
Outlet
Accumulator
Accumulator
leg