• Continued use of a worn-out wheel may result in
wheel explosion and serious personal injury.
Depressed center wheel should not be used after it
has been worn down to 75 mm for Model 9520NB or
90 mm for Models 9521NB and 9522NB in diam-
eter.
MAINTENANCE
CAUTION:
Always be sure that the tool is switched off and
unplugged before carrying out any work on the tool.
Replacement of carbon brushes (Fig. 8 & 9)
Whenever carbon brushes must be replaced, they cut
out the tool automatically. When this occurs, replace
both carbon brushes at the same time. Use only
identical carbon brushes.
To maintain product safety and reliability, repairs,
maintenance or adjustment should be carried out by a
Makita Authorized Service Center.
ACCESSORIES
CAUTION:
These accessories or attachments are recommended for use with your Makita tool specified in this manual. The
use of any other accessories or attachments might present a risk of injury to persons. The accessories or
attachments should be used only in the proper and intended manner.
• Wheel guard
• Depressed center wheel
• Inner flange 40
(For depressed center wheel)
• Lock nut 40
(For depressed center wheel)
• Rubber pad
• Abrasive disc
• Lock nut 48
(For abrasive disc)
• Lock nut wrench
• Grip
9520NB/9521NB/9522NB (’100. 8. 11)
7
