Makita DGA521 Manual De Instrucciones página 14

Automatic speed change function
► Fig.6: 1. Mode indicator
Mode indicator status
This tool has "high speed mode" and "high torque
mode". It automatically changes operation mode
depending on the work load. When mode indicator
lights up during operation, the tool is in high torque
mode.
Accidental re-start preventive
function
When installing the battery cartridge while the switch is
ON, the tool does not start.
To start the tool, turn off the switch, and turn it on again.
Active Feedback sensing
Technology
The tool electronically detects situations where the
wheel or accessory may be at risk to be bound. In the
situation, the tool is automatically shut off to prevent
further rotation of the spindle (it does not prevent
kickback).
To restart the tool, switch off the tool first, remove the
cause of sudden drop in the rotation speed, and then
turn the tool on.
Soft start feature
Soft start feature reduces starting reaction.
ASSEMBLY
CAUTION:
Always be sure that the tool is
switched off and the battery cartridge is removed
before adjusting or checking function on the tool.
Installing side grip (handle)
CAUTION:
Always be sure that the side grip is
installed securely before operation.
Screw the side grip securely on the position of the tool
as shown in the figure.
► Fig.7
Operation mode
High speed mode
High torque mode
Installing or removing wheel guard
WARNING:
wheel, flap disc 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.
WARNING:
securely locked by the lock lever with one of the
holes on the wheel guard.
WARNING:
/ diamond wheel, be sure to use only the special
wheel guard designed for use with cut-off wheels.
For depressed center wheel, flap
disc, wire wheel brush / abrasive cut-
off wheel, diamond wheel
1. While pushing the lock lever, mount the wheel
guard with the protrusions on the wheel guard aligned
with the notches on the bearing box.
► Fig.8: 1. Lock lever 2. Notch 3. Protrusion
2. While pushing the lock lever toward A, push in the
wheel guard by holding down the portions B as shown
in the figure.
► Fig.9: 1. Wheel guard 2. Hole
NOTE: Push down the wheel guard straight.
Otherwise, you cannot push the wheel guard
completely.
3. While keeping the lock lever and wheel guard
position as described in step 2, rotate the wheel guard
toward C, and then, change the angle of the wheel
guard according to the work.
► Fig.10: 1. Wheel guard 2. Hole
NOTE: Push the wheel guard completely. Otherwise,
you cannot rotate the wheel guard.
To remove wheel guard, follow the installation proce-
dure in reverse.
Installing depressed center wheel or
flap disc
Optional accessory
WARNING:
wheel or a flap disc, the wheel guard must be
fitted on the tool so that the closed side of the
guard always points toward the operator.
► Fig.11: 1. Depressed center wheel 2. Wheel guard
14 ENGLISH
When using a depressed center
Make sure that the wheel guard is
When using an abrasive cut-off
When using a depressed center