Mitsubishi Electric PLA-A12EA8 Service Manual page 36

OPERATING PROCEDURE
6. Removing the electrical box
(1) Remove the electrical box cover (See Photo 1 and 2.)
and the connectors (Refer to procedure 5.).
(2) Remove the electrical box fixing screws (M5 × 10: 2
screws). (See Photo 3.)
<Electrical parts in the electrical box>
• Terminal block for earth and reactor
• Indoor controller board
• Thermistor (TH)
(3) Remove the electrical box (2 hooks).
7. Removing the turbo fan
(1) Remove the electrical box. (See Photo 3 and refer to
procedure 6)
(2) Remove the bell mouth (tapping screw 4×10: 2 screws).
(See Photo 6.)
(3) Remove the nut and washer (1 nut). (See Photo 7 and 8.)
(4) Remove the turbo fan.
Photo 8
Turn this way to tighten.
(The same directions as the fan rotation.)
Rubber mount
Note: When re-attaching the motor mount, make sure
that the thicker and faces the motor shaft.
Turbo fan
Protrusions
TCH120A
Turn this way to loosen.
Washer
holes
Be careful when removing heavy parts.
PHOTOS/FIGURES
Photo 6 Bell mouth fixing screws
hooks
Photo 7
Nut and washer
Photo 9
36
Bell mouth
Electrical box
Turbo fan