Maintenance - Makita GV7000 Betriebsanleitung

Speed adjusting dial (Fig. 4)
For GV7000C only
The rotating 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 rotating speed.
Number
1 – 2
2 – 3
3 – 4
4 – 5
CAUTION:
• If the tool is operated continuously at low speeds
(speed adjusting dial: 1 – 3), the motor will get over-
loaded 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 sup-
pressed starting shock.
Installing or removing abrasive disc
(Fig. 5 & 6)
CAUTION:
Always be sure that the tool is switched off and
unplugged before installing or removing the abrasive
disc.
Mount the rubber pad onto the spindle. Fit the abrasive
disc on over the rubber pad and screw the lock nut onto
the spindle. Hold the spindle firmly with the wrench and
tighten the lock nut using the lock nut wrench.
To remove the abrasive disc, follow the installation proce-
dure in reverse.
NOTE:
The rubber pad, abrasive disc, lock nut and lock nut
wrench are optional accessories.
Sanding operation (Fig. 7)
CAUTION:
• Always wear safety glasses or a face shield during
operation.
• Apply slight pressure only. Excessive pressure will
result in poor performance and premature wear to the
abrasive disc.
• Never run the tool without the abrasive disc. You may
seriously damage the pad.
Keep the abrasive disc at an angle of about 15° to the
workpiece surface.
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min (RPM)
2,500 – 2,800
2,800 – 3,500
3,500 – 4,200
4,200 – 4,700

MAINTENANCE

CAUTION:
Always be sure that the tool is switched off and
unplugged before carrying out any work on the tool.
Replacement of carbon brushes
(Fig. 8 & 9)
Replace carbon brushes when they are worn down to the
limit mark. Both identical carbon brushes should be
replaced at the same time.
To maintain product safety and reliability, repairs, mainte-
nance or adjustment should be carried out by a Makita
Authorized Service Center.
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