Makita DGA404 Instruction Manual page 14

Shaft lock
WARNING:
Never actuate the shaft lock when
the spindle is moving. It may cause serious injury or
the tool damage.
Press the shaft lock to prevent spindle rotation when
installing or removing accessories.
► Fig.4: 1. Shaft lock
Switch action
CAUTION:
Before installing the battery car-
tridge into the tool, always check to see that the
slide switch actuates properly and returns to the
"OFF" position when the rear of the slide switch
is depressed.
CAUTION:
Switch can be locked in "ON" posi-
tion for ease of operator comfort during extended
use. Apply caution when locking tool in "ON"
position and maintain firm grasp on tool.
To start the tool, press down the rear end of the slide
switch and then slide it toward the "I (ON)" position. For
continuous operation, press down the front end of the
slide switch to lock it.
► Fig.5: 1. Slide switch
To stop the tool, press down the rear end of the slide
switch so that it returns to the "O (OFF)" position.
► Fig.6: 1. Slide switch
Automatic speed change function
► Fig.7: 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.
Operation mode
High speed mode
High torque mode
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.8
Installing or removing wheel guard
(For depressed center wheel, flap disc,
flex wheel, wire wheel brush / abrasive
cut-off wheel, diamond wheel)
WARNING:
wheel, flap 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.
WARNING:
/ diamond wheel, be sure to use only the special
wheel guard designed for use with cut-off wheels.
For tool with locking screw type
wheel guard
Mount the wheel guard with the protrusions on the
wheel guard band aligned with the notches on the bear-
ing box. Then rotate the wheel guard to such an angle
that it can protect the operator according to work. Be
sure to tighten the screw securely.
To remove wheel guard, follow the installation proce-
dure in reverse.
► Fig.9: 1. Wheel guard 2. Bearing box 3. Screw
For tool with clamp lever type wheel guard
Loosen the screw, and then pull the lever in the direction
of the arrow. Mount the wheel guard with the protrusions
on the wheel guard band aligned with the notches on
the bearing box. Then rotate the wheel guard to such an
angle that it can protect the operator according to work.
► Fig.10: 1. Wheel guard 2. Bearing box 3. Screw 4. Lever
Pull the lever in direction of the arrow. Then tighten the
wheel guard with fastening the screw. Be sure to tighten
the screw securely. The setting angle of the wheel
guard can be adjusted with the lever.
► Fig.11: 1. Screw 2. Lever
To remove wheel guard, follow the installation proce-
dure in reverse.
14 ENGLISH
When using a depressed center
When using an abrasive cut-off