Functional Description - Makita GA4030 Instruction Manual

FUNCTIONAL DESCRIPTION

CAUTION:
Always be sure that the tool is switched off and
•
unplugged before adjusting or checking function
on the tool.
Shaft lock
Fig.1
CAUTION:
Never actuate the shaft lock when the spindle is
•
moving. The tool may be damaged.
Press the shaft lock to prevent spindle rotation when
installing or removing accessories.
Switch action
Fig.2
CAUTION:
Before plugging in 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.
To start the tool, slide the switch lever toward the "I
(ON)" position. For continuous operation, press the front
of the switch lever to lock it.
To stop the tool, press the rear of the switch lever, then
slide it toward the "O (OFF)" position.
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)
Fig.3
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.
Installing or removing wheel guard (For
depressed center wheel, multi disc / abrasive
cut-off wheel, diamond wheel)
For tool with locking screw type wheel guard
Fig.4
WARNING:
When using a
•
wheel/Multi-disc, flex wheel, wire wheel brush, cut-
off wheel or diamond wheel, 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
depressed center grinding
for use with cut-off wheels. (In European countries,
when using a diamond wheel, the ordinary guard
can be used.)
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 the screw securely.
To remove wheel
procedure in reverse.
For tool with clamp lever type wheel guard
Fig.5
Fig.6
Loosen the lever on the wheel guard after loosening the
screw. 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 around to the position
shown in the figure. Tighten the lever to fasten the
wheel guard. If the lever is too tight or too loose to
fasten the wheel guard, loosen or tighten the screw to
adjust the tightening of the wheel guard band.
To remove wheel
procedure in reverse.
Installing or removing depressed center
grinding wheel/Multi-disc
Fig.7
WARNING:
Always use supplied guard when depressed
•
center grinding wheel/Multi-disc is on tool. Wheel
can shatter during use and guard helps to reduce
chances of personal injury.
Mount the inner flange onto the spindle. Fit the
wheel/disc on the inner flange and screw the lock nut
onto the spindle.
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.8
To remove the wheel, follow the installation procedure in
reverse.
WARNING:
Only actuate the shaft lock when the spindle is not
moving.
7
guard, follow the installation
guard, follow the installation