5．Maintenance
Before starting cleaning, be sure to turn OFF power switch on
controller.
If the unit is to be disused for an Extended period, keep power
cord unplugged.
■Daily maintenance
Clean off dust and dirt form the unit with new cloth.
If dirt is very heavy, clean it off with cloth moistened by
industrial alcohol.
■Monthly maintenance
(Frequency varies depending on operation conditions.)
Brush inspection and replacement
Inspect bursh periodically since brush wears out as its
rotation time accumulates and replace it with new one
as necessity requires.
※Do not use worn brush since this may affect motor
performance and service life.
① Remove brush cap using minus thread driver.
② Wear gloves free from oil and water and pull brush out
with hand.
※Touching brush with bare hands results in defective
insulation.
※Be sure to remember proper orientation ( top/bottom) of
brush and holder position to return it to original position.
( To protect rectifier )
③ Replace brush before its length becomes 5mm ro less.
カーボンブラシ
Carbon brush
Brush
Brush cap
Minus driver
－7－
