Functional Description; Operation; Maintenance - Makita GV7000 Betriebsanleitung

FUNCTIONAL DESCRIPTION

CAUTION:
• Always be sure that the tool is switched off and
unplugged before adjusting or checking function on the
tool.
Switch action (Fig. 1)
CAUTION:
• Before plugging in the tool, always check to see that
the switch trigger actuates properly and returns to the
"OFF" position when released.
• Switch can be locked in "ON" position for ease of oper-
ator comfort during extended use. Apply caution when
locking tool in "ON" position and maintain firm grasp on
tool.
To start the tool, simply pull the switch trigger. Release
the switch trigger to stop.
For continuous operation, pull the switch trigger and then
push in the lock button.
To stop the tool from the locked position, pull the switch
trigger fully, then release it.
Speed adjusting dial (Fig. 2)
The tool speed can be changed by turning the speed
adjusting dial to a given number setting from 1 to 5.
Higher speed is obtained when the dial is turned in the
direction of number 5. And lower speed is obtained when
it is turned in the direction of number 1.
Refer to the table below for the relationship between the
number settings on the dial and the approximate tool
speed.
Number
1
|
2
|
3
|
4
|
5
CAUTION:
• If the tool is operated continuously at low speeds for a
long time, the motor will get overloaded and heated up.
• The speed adjusting dial can be turned only as far as 5
and back to 1. Do not force it past 5 or 1, or the speed
adjusting function may no longer work.
The tools equipped with electronic function are easy to
operate because of the following features.
Constant speed control
Electronic speed control for obtaining constant speed.
Possible to get fine finish, because the rotating speed is
kept constant even under load condition.
Soft start feature
Safety and soft start because of suppressed starting
shock.
ASSEMBLY
CAUTION:
• Always be sure that the tool is switched off and
Installing side grip (auxiliary handle) & cover
(Fig. 3 & 4)
CAUTION:
• Always be sure that the side grip is installed securely
Install the cover, then screw the side grip on the tool
securely. The side grip and the cover can be installed on
either side of the tool.
Installing or removing abrasive disc (Fig. 5 & 6)
Mount the rubber pad onto the spindle. Fit the abrasive
disc on over the rubber pad and screw the lock nut onto
the spindle.
To tighten the lock nut, hold the spindle with the wrench
so that it cannot revolve, then use the lock nut wrench
and securely tighten clockwise.
To remove the disc, follow the installation procedure in
reverse.

OPERATION

Sanding operation (Fig. 7)
CAUTION:
• Always wear safety goggles or a face shield during
• Never run the tool without the abrasive disc. You may
RPM (/min)
Hold the tool firmly. Turn the tool on and then apply the
2,500
abrasive disc to the workpiece.
|
In general, keep the abrasive disc at an angle of about
15 degrees to the workpiece surface. Apply slight
2,800
pressure only. Excessive pressure will result in poor
performance and premature wear to abrasive disc.
|
3,500

MAINTENANCE

|
CAUTION:
• Always be sure that the tool is switched off and
4,200
|
4,700
Replacing carbon brushes (Fig. 8 & 9)
Remove and check the carbon brushes regularly.
Replace when they wear down to the limit mark. Keep
the carbon brushes clean and free to slip in the holders.
Both carbon brushes should be replaced at the same
time. Use only indentical carbon brushes.
Use a screwdriver to remove the brush holder caps.
Take out the worn carbon brushes, insert the new ones
and secure the brush holder caps.
To maintain product SAFETY and RELIABILITY, repairs,
any other maintenance or adjustment should be per-
formed by Makita Authorized or Factory Service Centers,
always using Makita replacement parts.
unplugged before carrying out any work on the tool.
before operation.
operation.
seriously damage the pad.
unplugged before attempting to perform inspection or
maintenance.
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