Makita DGA402 Manual De Instrucciones página 16

For model other than 100 mm (4")
When installing the abrasive cut-off wheel:
► Fig.24: 1. Lock nut 2. Abrasive cut-off wheel
(Thinner than 4 mm (5/32")) 3. Abrasive cut-
off wheel (4 mm (5/32") or thicker) 4. Inner
flange
When installing the diamond wheel:
► Fig.25: 1. Lock nut 2. Diamond wheel (Thinner than
4 mm (5/32")) 3. Diamond wheel (4 mm
(5/32") or thicker) 4. Inner flange
Installing wire cup brush
Optional accessory
CAUTION:
Do not use brush that is damaged,
or which is out of balance. Use of damaged brush
could increase potential for injury from contact with
broken brush wires.
Place the tool upside down to allow easy access to the spindle.
Remove any accessories on spindle. Thread wire cup
brush onto spindle and tighten with supplied wrench.
► Fig.26: 1. Wire cup brush
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.
Place the tool upside down to allow easy access to the spindle.
Remove any accessories on spindle. Thread wire wheel
brush onto spindle and tighten with the wrenches.
► Fig.27: 1. Wire wheel brush
Installing hole cutter
Optional accessory
Place the tool upside down to allow easy access to the spindle.
Remove any accessories on the spindle. Thread the
hole cutter onto the spindle, and tighten it with the sup-
plied wrench.
► Fig.28: 1. Hole cutter
Installing dust collecting wheel
guard for cutting-off
Optional accessory
With optional accessories, you can use this tool for
cutting stone materials.
► Fig.29
NOTE: For information how to install the dust col-
lecting wheel guard, refer to the manual of the dust
collecting wheel guard.
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:
wheel.
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).
NOTE: A dual purpose wheel can be used for both
grinding and cutting-off operations.
Refer to the "Grinding and sanding operation" for
grinding operation, and refer to the "Operation with
abrasive cut-off / diamond wheel" for cutting-off
operation.
Grinding and sanding operation
► Fig.30
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.
16 ENGLISH
It should never be necessary to
ALWAYS replace wheel if tool is
NEVER hit the workpiece with the
Avoid bouncing and snagging
NEVER use tool with wood cutting