Bedienungsanleitung Makita GA5040C (Seite 8 von 116) (Deutsch, Englisch, Holländisch, Dänisch, Französisch, Italienisch, Portugiesisch, Spanisch, Türkisch)

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Shaft lock (Fig. 1)

CAUTION:

• Never actuate the shaft lock when the spindle is mov-

ing. 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.

• 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, slide the slide switch toward the “I (ON)”

position by pushing the rear of the slide switch. For con-

tinuous operation, press the front of the slide switch to

lock it.

To stop the tool, press the rear of the slide switch, then

slide it toward the “O (OFF)” position.

Indication lamp (Fig. 3)

The indication lamp lights up green when the tool is

plugged. If the indication lamp does not light up, the

mains cord or the controller may be defective. The indi-

cation lamp is lit but the tool does not start even if the tool

is switched on, the carbon brushes may be worn out, or

the controller, the motor or the ON/OFF switch may be

defective.

Unintentional restart proof

The tool does not start with the switch being lock-on even

when the tool is plugged.

At this time, the indication lamp flickers red and shows

the unintentional restart proof device is on function.

To cancel the unintentional restart proof, return the slide

switch to “O (OFF)” position.

Speed adjusting dial (Fig. 4)

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 below table for the relationship between the

number settings on the dial and the approximate rotating

speed.

For model GA4040C, GA4540C, GA5040C

012752

For model GA6040C

012756

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.

Electronic function

The tools equipped with electronic function are easy to

operate because of the following features.

Constant speed control

Constant speed control provides fine finish by keeping

the rotating speed constant under the loaded condition.

Soft start feature

Soft start feature suppresses starting shock.

Overload protector

When the load on the tool exceeds admissible levels,

power to the motor is reduced to protect the motor from

overheating. When the load returns to admissible levels,

the tool will operate as normal.

Mechanical brake

For model GA4041C, GA4541C, GA5041C, GA6041C

Mechanical brake is activated after the tool is switched

off.

The brake does not work when the power supply is shut

down with the switch still on.

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. 5)

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, flap disc, flex wheel,

wire wheel brush / abrasive cut-off wheel,

diamond wheel) (Fig. 6, 7 & 8)

WARNING:

• When using a depressed center wheel, flap disc, flex

wheel or wire wheel brush, the wheel guard must be fit-

ted on the tool so that the closed side of the guard

always points toward the operator.

Number min

–1

(R.P.M.)

12,800

24,000

36,000

48,000

511,000

Number min

–1

(R.P.M.)

1 4,000

2 5,000

3 6,000

4 7,000

5 9,000

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