Maintenance - Makita 9077 Betriebsanleitung

Operation (Fig. 8)
CAUTION:
After operation, always switch off the tool and wait
until the wheel has come to a complete stop before
putting the tool down.
Hold the tool firmly with both hands. Turn the tool on
and then apply the wheel or disc to the workpiece. In
general, keep the edge of the wheel or disc at an
angle of about 15° – 30° to the workpiece surface.
During the break-in period with a new wheel, do not
work the tool in the B direction or it will cut into the
workpiece. Once the edge of the wheel has been
rounded off by use, the wheel may be worked in both
A and B directions.
WARNING:
• It should never be necessary to force the tool. The
weight of the tool applies adequate pressure. Forc-
ing and excessive pressure could cause dangerous
wheel breakage.
• 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 115 mm in diameter. Use of
the wheel after this point is unsafe and it should be
removed from service and rendered unusable by
intentional destruction.

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. 9 & 10)
When the resin insulating tip inside the carbon brush
is exposed to contact the commutator, it will automat-
ically shut off the motor. When this occurs, both car-
bon brushes should be replaced 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.
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