Toshiba MMU-UP0051MH-E(TR) Service Manual page 149

No. Part name
1. Detachment (In cases of UP048)
Fan motor
Fan
1) Perform work Detachment 1 of
Fan case
Bearing
2) In the works of 1 of
electric parts box cover and remove connectors of the
fan motor wiring.
3) Remove the fan case (lower) fixing screws.
(at both sides of the case).
4) Open the fan case (lower) while pushing claws (at both
sides of the case) of the fan case (lower).
5) Remove the hanging rib at opposite side of the claw
and then open the fan case (lower).
• Connect the fan motor to the shaft with the coupling
6) Take off screws of fixing sheet metal (2 pcs.) at side of
the fan motor. (M 5 × 16, 2 pcs.)
Note
Take off fixing screws while supporting the fan motor so
that it does not fall.
7) Loose the hexagon socket screw to remove the fan
from the shaft.
(For 3mm, 1 pcs.)
8) Take off fixing screw for fixing plate to remove the
bearing.
2. Attachment (In cases of UP048)
1) Insert the bearing securely to the bearing fixing plate
and push them with the fixing plate to fix them with
screw.
2) Adjust the hexagon socket screw so that it fits groove
of the shaft and then insert the fan into the shaft.
3) Screw the fan motor with the fixing sheet metal.
(M 5 × 16, 2 pcs.)
Note
Match direction of the fan motor with turning direction of
the fan and then fix the fan motor wiring so that it is set at
piping side.
* Ensure that the fan motor wiring directs at 50°±5° to the
cord clamp side.
4) Using hexagon socket screw, fix the fan by positioning
so that the fan is set at the center against the fan case
(upper).
Note
For fixing the fan, use torque wrench and tighten it with
4.9 ±0.49N•m.
5) Attach the fan case (lower) as original, and check the fan
can turn smoothly without touching with the fan case.
6) Connect the fan motor wires as original and then
attach the electric parts box cover.
Be sure to perform wiring in the electric parts box as
original.
7) Attach the air filter and the center panel as original.
Procedure
, perform works to open the
and fix them to the cabinet with the bearing.
Remove it if necessary.
Coupling: Hexagon socket screw (For 3mm, 2 pcs.)
In case of UP048
.
Claw
Fan case
– 149 –
Remarks
Claw
Fan case (lower)
fixing screw
Hanging rib
Coupling Fixing crews
Bearing
Bearing fixing plate
Fixing
plate
Fixing screw
for fixing plate
As the guide of angle
Fan motor
Cord
clamp
Fan motor
wiring direction
Fan case (upper)
5 5