Bedienungsanleitung Dremel 7700 (Seite 14 von 88) (Deutsch, Englisch, Holländisch, Dänisch, Französisch, Italienisch, Schwedisch, Norwegisch, Finnisch)

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COLLETS

The Dremel accessories available for the multitool come

with various shank sizes. Four size collets are available to

accommodate the different shank sizes. Collet sizes are

identiﬁed by the rings on the back of the collet.

PICTURE 3

L. 3,2 mm Collet without ring

M. 2,4 mm Collet with three rings

N. 1,6 mm Collet with two rings

O. 0,8 mm Collet with one ring

Always use the collet that matches the shank size of the accessory

you plan to use. Do not force a larger diameter shank into a smaller

collet.

CHANGING COLLETS

PICTURE 4

P. Shaft Lock Button

Q. Collet Wrench

R. To tighten

S. To loosen

T. Collet Nut

1. Press the shaft lock button, hold down and rotate the shaft

by hand until it engages the shaft. Do not engage the shaft

lock button while multitool is running.

2. With the shaft lock button engaged, loosen and remove the

collet nut. Use the collet wrench if necessary.

3. Remove the collet by pulling it free from the shaft.

4. Install the appropriate size collet fully into the shaft and

reinstall the collet nut ﬁnger tight. Do not fully tighten the

nut when there is no bit or accessory installed.

CHANGING ACCESSORIES

PICTURE 4

P. Shaft Lock Button

1. Press the shaft lock button and rotate the shaft by hand

until it engages the shaft lock. Do not engage the shaft lock

button while multitool is running.

2. With the shaft lock button engaged, loosen (do not remove)

the collet nut. Use the collet wrench if necessary.

3. Insert the bit or accessory shank fully into the collet.

4. With the shaft lock button engaged, ﬁnger tighten the collet

nut until the bit or accessory shank is gripped by the collet.

Use the collet wrench to secure the bit or accessory in the

collet.

NOTE: Be sure to read the instructions supplied with your Dremel

accessory for further information on its use.

Use only Dremel tested, high performance accessories.

USE

GETTING STARTED

The ﬁrst step in using the multitool is to get the "feel" of it. Hold

it in your hand and feel its weight and balance. Feel the taper

of the housing. This taper permits the tool to be grasped much

like a pen or pencil. The unique softgrip on the nose allows for

added comfort and control during use.

Always hold the tool away from your face. Accessories can be

damaged during handling and can ﬂy apart as they come up to

speed.

When holding tool, do not cover the ventilation openings with

your hand. Blocking the ventilation openings could cause the

motor to overheat.

IMPORTANT! Practice on scrap material ﬁrst to see how the

tool’s high-speed action performs. Keep in mind that your

multitool will perform best by allowing the speed, along with

the correct Dremel accessory and attachment, to do the work

for you. Do not put pressure on the tool during use, if possible.

Instead, lower the spinning accessory lightly to the work surface

and allow it to touch the point at which you want to begin.

Concentrate on guiding the tool over the work using very little

pressure from your hand. Allow the accessory to do the work.

Usually it is better to make a series of passes with the tool

rather than to do the entire job with one pass. A gentle touch

gives the best control and reduces the chance of error.

For best control in close work, grip the multitool like a pencil

between your thumb and foreﬁnger. PICTURE 6

The "golf" grip method is used for heavier operations such as

grinding or cutting. PICTURE 7

OPERATING SPEEDS

This tool is a high speed multitool. Its speed can be set to 10000

or 20000 min

-1

. Adjusting the speed to your project will give a

better end result. To achieve the best results when working with

different materials, set the speed control to suit the job. To select

the right speed for the accessory in use, practice with scrap

material ﬁrst.

The 7,2V Ni-Cd multitool switch settings are marked on the

speed control switch.

Most jobs can be accomplished using the tool at the highest

setting. However, certain materials (some plastics and metals)

can be damaged by high-speed generated heat and should

be worked on at relatively low speeds. Low speed operation

(15000 min

-1

or less) is usually best for polishing operations

employing the felt polishing accessories. All brushing

applications require lower speeds to avoid wire discharge from

the holder. Let the performance of the tool do the work for you

when using lower speed settings. Higher speeds are better

for hardwoods, metals, glass and for drilling, carving, cutting,

routing, shaping and cutting dadoes or rabbets in wood.

Some guidelines regarding tool speed:

• Plastic and other materials that melt at low temperatures

should be cut at low speeds.

• Polishing, bufﬁng and cleaning with a wire brush must be

done at speeds not greater than 15000 min

-1

to prevent

damage to the brush and your material.

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