Makita DGA506ZJ Instruction Manual page 12

Accidental re-start preventive
function
Even if the battery cartridge is installed on the tool with the
slide switch in the "I (ON)" position, the tool does not start.
To start the tool, first slide the slide switch toward the "O
(OFF)" position and then slide it toward the "I (ON)" position.
Electronic torque control function
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.
Electric brake
Electric brake is activated after the tool is switched off.
The brake does not work when the power supply is shut
down, such as the battery is removed accidentally, with
the switch still on.
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
Installing or removing wheel guard
(For depressed center wheel, flap disc,
flex wheel, wire wheel brush / abrasive
cut-off wheel, diamond wheel)
WARNING:
When using a depressed center
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:
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 some European countries, when using a diamond
wheel, the ordinary guard can be used. Follow the
regulations in your country.)
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.8: 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 direc-
tion of the arrow. Mount the wheel guard with the protru-
sions 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.9: 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.10: 1. Screw 2. Lever
To remove wheel guard, follow the installation proce-
dure in reverse.
Installing or removing depressed
center wheel or flap disc
Optional accessory
WARNING:
wheel or flap disc, the wheel guard must be fitted
on the tool so that the closed side of the guard
always points toward the operator.
CAUTION:
Make sure that the mounting part
of the inner flange fits into the inner diameter of
the depressed center wheel / flap disc perfectly.
Mounting the inner flange on the wrong side may
result in the dangerous vibration.
Mount the inner flange onto the spindle.
Make sure to fit the dented part of the inner flange onto
the straight part at the bottom of the spindle.
Fit the depressed center wheel / flap disc on the inner
flange and screw the lock nut onto the spindle.
► Fig.11: 1. Lock nut 2. Depressed center wheel
3. Inner flange 4. Mounting part
To tighten the lock nut, press the shaft lock firmly so
that the spindle cannot revolve, then use the lock nut
wrench and securely tighten clockwise.
► Fig.12: 1. Lock nut wrench 2. Shaft lock
To remove the wheel, follow the installation procedure
in reverse.
12 ENGLISH
When using a depressed center