Functional Description - Makita GA7020R Bedienungsanleitung

FUNCTIONAL DESCRIPTION

CAUTION:
Always be sure that the tool is switched off and
•
unplugged before adjusting or checking function on
the tool.
Shaft lock
CAUTION:
Never actuate the shaft lock when the spindle is
•
moving. The tool may be damaged.
Fig.1
Press the shaft lock to prevent spindle rotation when
installing or removing accessories.
Switch handle mounting positions
(For Models GA7030R, GA7040R, GA9030R and
GA9040R )
Fig.2
The switch handle can be rotated to either 90° left or right
to fit your work needs. First, unplug the tool. Press the
lock button and rotate the switch handle to left or right
fully. The switch handle will be locked in that position.
CAUTION:
Always make sure that the switch handle is locked
•
in the desired position before operation.
Switch action
CAUTION:
Before plugging in the tool, always check to see
•
that the switch trigger actuates properly and returns
to the "OFF" position when released.
Fig.3
For tool with the lock-on switch
To start the tool, simply pull the switch trigger (in the B
direction). Release the switch trigger to stop. For
continuous operation, pull the switch trigger (in the B
direction) and then push in the lock lever (in the A
direction). To stop the tool from the locked position, pull
the switch trigger fully (in the B direction), then release it.
For tool with the lock on and lock-off switch
Fig.4
To prevent the switch trigger from accidentally pulled, a
lock lever is provided.
To start the tool, push in the lock lever (in the A direction)
and then pull the switch trigger (in the B direction).
Release the switch trigger to stop.
For continuous operation, push in the lock lever (in the A
direction), pull the switch trigger (in the B direction) and
then pull the lock lever (in the C direction).
To stop the tool from the locked position, pull the switch
trigger fully (in the B direction), then release it.
Indication lamp
Fig.5
The indication lamp lights up green when the tool is
plugged. If the indication lamp does not light up, the
mains cord or the controller may be defective. The
indication lamp is lit but the tool does not start even if the
tool is switched on, the carbon brushes may be worn out,
or the controller, the motor or the ON/OFF switch may be
defective.
Unintentional restart proof
Even locking lever keeping the switch trigger depressed
(Lock-on position) does not allow the tool to restart even
when the tool is plugged.
At this time, the indication lamp flickers red and shows
the unintentional restart proof device is on function.
To cancel the unintentional restart proof, pull the switch
trigger fully, then release it.
Soft start feature
These models begin to run slowly when they are turned
on. This soft start feature assures smoother operation.
ASSEMBLY
CAUTION:
Always be sure that the tool is switched off and
•
unplugged before carrying out any work on the tool.
Installing side grip (handle)
CAUTION:
Always be sure that the side grip is installed
•
securely before operation.
Fig.6
Screw the side grip securely on the position of the tool as
shown in the figure.
Installing or removing wheel guard (For
depressed center wheel , multi disc , wire
wheel brush / abrasive cut-off wheel ,
diamond wheel)
WARNING:
When using
•
wheel/Multi-disc, flex wheel or wire wheel brush,
the wheel guard must be fitted on the tool so that
the closed side of the guard always points toward
the operator.
When using an abrasive cut-off / diamond wheel,
•
be sure to use only the special wheel guard
designed for use with cut-off wheels. (In European
countries, when using a diamond wheel, the
ordinary guard can be used.)
For tool with locking screw type wheel guard
Fig.7
Mount the wheel guard with the protrusion on the wheel
guard band aligned with the notch on the bearing box.
Then rotate the wheel guard to such an angle that it can
protect the operator according to work. Be sure to tighten
9
a depressed center grinding