Fan Motor Tangential Air Flow Fan - Hitachi RAF-25NH4 Service Manual

TT CHING
Note - Don't touch the ion generating tip when replacing the electrode.
- The ion generating tip must be replaced if it is bent.
- Clean the electrode with a toothbrush if dust gathers on the electrode.
Even if this happens, be sure not to touch the ion generating tip.

9. FAN MOTOR TANGENTIAL AIR FLOW FAN

(1) Remove the front panel, and then remove the front cover.
(2) Remove the display P.W.B..
(3) Remove the cord from the stepping motor of the air deflector.
(4) Remove the top frame.
(5) Remove the electrical parts cover, the fan motor cord, the negative ion generating device cord, and the heat exchanger
thermostat cord.
(6) Remove the pipe cover from the heat exchanger.
(7) Remove the securing screw of the electrical parts case, then slide the electrical parts case to the right while removing it
from the fan motor support.
Negative ion generating device securing screw
Fan motor support
Electrical parts case securing screw
(8) Use a flat-blade screwdriver or other such tool to lift up the central securing tab and the left side of the heat exchanger.
(9) Remove the upper and lower fan covers.
As shown in the diagram below, bend the lever (tab)
･
securing the fan cover inwards while pulling out
the heat exchanger towards you.
Bend the lever (tab) of the lower fan cover
･
inwards while pulling out the lower fan cover
slightly upwards and towards you.
Negative ion generating device
High voltage generating device
Heat exchanger securing tab
252
Fan motor
Electrical parts case