Disassembly Procedure - Mitsubishi Electric PUZ-A12NKA7 Service Manual

14

DISASSEMBLY PROCEDURE

PUZ-A12NKA7
PUZ-A12NKA7-BS
OPERATING PROCEDURE
1. Removing the top panel, service panel, front panel,
back panel, and grille
(1) R emove the top panel fixing screws (4 × 10), one from
the right and two from the left side, and detach the top
panel.
(2) R emove 2 service panel fixing screws (4 × 10) and
detach the service panel by pulling it downward. (See
Photo 2)
(3) R emove the front panel fixing screws (4 × 10), 3 from
the front, 2 from the right and 2 from the left side, and
detach the front panel.
(4) R emove the back panel fixing screws (4 × 10), 5 from
the right and 2 from the rear side, and detach the back
panel.
(5) Remove 2 grille fixing screws (4 × 10) and detach the
grille.
2. Removing the fan motor
(1) Remove the top panel. (See Photo 1)
(2) Remove the front panel. (See Photo 1)
(3) Remove 1 nut (M6, left-screw) and detach the propeller.
(4) D isconnect the connector CNF1 on the controller circuit
board in the electrical parts box.
(5) Loosen the clamp for the lead wire in the motor sup-
port.
(6) R emove 4 fan motor fixing screws (5 × 20) and detach
the fan motor. (See Photo 4)
OCH636A
PUZ-A18NKA7
PUZ-A18NKA7-BS
PUY-A12NKA7
PUY-A12NKA7-BS
PHOTOS
Top panel fixing screws
Photo 1
Grille
Grille
fixing screws
Front panel
fixing screws
Front panel
Photo 2
2 hooks
Photo 3
Nut
Fan motor fixing screws
Photo 4
Fan motor
(MF1)
Fan motor fixing screws
104
PUY-A18NKA7
PUY-A18NKA7-BS
PHOTO: PUZ-A12NKA7
Top panel
Top panel
fixing screw
Back panel
Service panel
Service panel
fixing screw
Pull down
Electrical parts box
Propeller
Clamp
Motor support