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Name plate is affixed on right side of unit, indicating model
No. and product No..
Safety precaution
• Make sure to disconnect the power source before
maintenance.
• Don't impair the related part in maintenance.
•Initial operation after maintenance shall be done
while few people around because large amount of dust could
be caused .
Cleaning the impeller
Removal of front cover
Note you should pull out the
cap as shown in figure below
before releasing the screw
marked with red circle in right
figure, and this screw have the
different type from others, don't
mix up.
remove the front cover by releasing the
screws.
clean the impeller with brush.
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