Toshiba MMD-UP0481HFP-UL Service Manual page 94

No. Part to be replaced
⑨ Fan motor, Fan, Fan
case
Work procedure
1. Detachment
1) Remove the electric parts box cover. (See the 1.of ②)
2) Disconnect the connector for the fan motor from the
control board.
CN 333: Motor power supply (3P: White)
3) Remove the clamp filter from the fan motor leads and
pull the fan motor leads out from the back side of the
electric parts box.
4) Remove the bottom plate of the air inlet.
(See the 1.of ①)
5) Remove the screws securing the reinforcing plate.
(Φ4X8, 2 pcs (screws locate under the cross slit of
heat-insulating material))
Be sure to re-attach the removed clamp
filter to the fan motor leads in the same way
as before replacement.
6) Remove the screws for the fan case (lower) and open
the fan case by pressing the fixing claws on both sides
of the fan case.
7) Remove the earthing screw for the fan motor to
remove the earth wire.
8) Remove the screws ( 5X10, 2 pcs) to secure the
motor band (2 pcs) on the fan motor side.
(The fan motor is temporarily suspended from the
motor base.)
9) While supporting the fan motor with hand, remove the
motor band from the motor base, and remove the fan
motor.
10) Loosen the hexagonal socket screw for the fan,
and pull out the fan from the shaft. (Hex wrench type:
3 mm)
11) Remove the screws (φ4X10, 6 pcs) to secure the fan
case (upper), and remove the fan case (upper).
2. Attachment
1) Screw ( 4X10, 6 pcs) to secure the upper fan case to
the same position as before replacement.
2) Insert the fan into the shaft of the fan motor.
Fan motor and fan are directional.
Align the turning direction of the fan blade
with the direction marked on the fan motor
name plate.
3) Secure the fan with the hexagonal socket screw so
that the fan is positioned in the center of the fan case
(upper).
Be sure to use a torque wrench to tighten at
a torque of 4.9N•m or more.
Fan motor
connector
position CN333
Turning direction
- 94 -
Remarks
Fan case fixing claws
Fan case
(lower)
Screw C
Screw
Reinforcing
plate
Earthing screw Motor earth wire
Motor band
Screw
Fan blade
Hexagonal socket screw