Makita GA7070 Betriebsanleitung Seite 15

Installing wire wheel brush
Optional accessory
CAUTION:
Do not use wire wheel brush that
is damaged, or which is out of balance. Use of
damaged wire wheel brush could increase potential
for injury from contact with broken wires.
CAUTION:
ALWAYS use guard with wire
wheel brushes, assuring diameter of wheel fits
inside guard. Wheel can shatter during use and
guard helps to reduce chances of personal injury.
► Fig.25: 1. Wire wheel brush
Remove any accessories on spindle. Thread wire wheel
brush onto spindle and tighten with the wrench.
Installing dust collecting wheel
guard
Dust collecting wheel guard for grinding
► Fig.26: 1. Lock nut 2. Cup-type diamond wheel
3. Hubbed cup-type diamond wheel 4. Inner
flange 5. Dust collecting wheel guard
6. Bearing box
WARNING:
Dust collecting wheel guard for
grinding is only for use in grinding flat concrete
with a cup-type diamond wheel. Do not use it with
grinding stones or for any purpose other than
mentioned.
Dust collecting wheel guard for cut-off (for model
GA9070 / GA9071)
► Fig.27
NOTE: For information how to install the dust collect-
ing cover, refer to the manual of the dust collecting
cover.
Connecting a vacuum cleaner
Optional accessory
WARNING:
Never vacuum metal particles
generated by operation. Metal particles generated
by such operation are so hot that they ignite dust and
the filter inside the vacuum cleaner.
To avoid dusty environment caused by masonry cut-
ting, use a dust collecting wheel guard and a vacuum
cleaner.
Refer to the instruction manual attached to the dust
collecting wheel guard for assembling and using it.
► Fig.28: 1. Dust collecting wheel guard for cut-off
2. Hose of the vacuum cleaner
OPERATION
WARNING:
force the tool. The weight of the tool applies ade-
quate pressure. Forcing and excessive pressure
could cause dangerous wheel breakage.
WARNING:
dropped while grinding.
WARNING:
or wheel onto work.
WARNING:
the wheel, especially when working corners,
sharp edges etc. This can cause loss of control and
kickback.
WARNING:
blades and other saw blades. Such blades when
used on a grinder frequently kick and cause loss of
control leading to personal injury.
CAUTION:
Never switch on the tool when it
is in contact with the workpiece, it may cause an
injury to operator.
CAUTION:
Always wear safety goggles or a
face shield during operation.
CAUTION:
After operation, always switch off
the tool and wait until the wheel has come to a
complete stop before putting the tool down.
CAUTION:
ALWAYS hold the tool firmly with
one hand on housing and the other on the side
grip (handle).
Grinding and sanding operation
► Fig.29
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° to the workpiece surface.
During the break-in period with a new wheel, do not
work the grinder in forward direction or it may cut into
the workpiece. Once the edge of the wheel has been
rounded off by use, the wheel may be worked in both
forward and backward direction.
15 ENGLISH
It should never be necessary to
ALWAYS replace wheel if tool is
NEVER bang or hit grinding disc
Avoid bouncing and snagging
NEVER use tool with wood cutting