Mitsubishi Electric MXZ-A18WV Service Manual page 76

OPERATING PROCEDURE
2. Removing the fan motor
(1)Remove the top panel, the service panel, and the front panel.
(Photo 1)
(2)Disconnect the connector CN911 on the outdoor electronic
control P.C. board.
(3)Remove the propeller.
(4)Remove the fan motor.
3. Removing the 4-way valve
(1)Remove the top panel. (Photo 1)
(2)Remove the service panel, rear panel, and pipe cover.
Recover refrigerant gas.
(3)Remove the electrical parts. (Photo 2)
(4)Detach the welded parts of 4-way valve and pipe.
(Photo 5)
4. Removing the expansion valve
(1)Remove the top panel. (Photo 1)
(2)Remove the service panel. (Photo 1)
(Gas recovery is not required if the unit is pumped down.)
(3)Remove the LEV coil.
(4)Detach the welded parts of expansion valves and pipes.
Photo 4
Screws of the outdoor fan motor
Propeller
Propeller nut
Photo 5
Photo 6
LEV coils
76
PHOTOS
Separator
Compressor nuts
4 way valve
R. V. coil
Welded parts
Expansion
valves
Sound
proof
felt