5.3
Precautions when stopping the fan
(1) To stop the fan, gradually close the damper to the full and then turn OFF the power switch.
5.4
Precautions when stopping the use
Warning
When you leave the fan unused for a long period of time, be sure to
turn off the main power.
(1) When you leave the fan unused for a long period of time, apply appropriate anti-corrosive
agent to the areas prone to rust.
(2) Protect the motor and other electrical devices against moisture.
(3) Remove the V-belt before storing the fan.
(4) Cover the bearing with a vinyl sheet or other material to prevent contact with outside air and
entry of dust.
(5) Before you run the fan after a long time of nonuse, inspect each part, and refill the bearing
with grease or replace the bearing. (Refer to 6.2.1 "Refilling bearings with grease and
replacing bearings.")
5-2
