Manual Bosch GWS 24-180 JH Professional (page 21 of 301) (English, German, Dutch, Danish, French, Italian, Polish, Portuguese, Swedish, Turkish, Spanish, Norwegian, Finnish)

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English | 21

Before fitting the rubber sanding pad (17), place the two

spacer discs (16) on the grinding spindle (4).

Screw on the round nut (19) and tighten with the two-pin

spanner.

Cup brush/disc brush

u Always fit the hand guard (15) when working with the

cup brush or disc brush.

See the graphics page for fitting instructions.

The cup brush/disc brush must be screwed onto the grinding

spindle until it rests firmly against the grinding spindle flange

at the end of the grinding spindle thread. Tighten the cup

brush/disc brush with an open-ended spanner.

Quick-clamping nut

To change the abrasive tool easily without having to use any

additional tools, you can use the quick-clamping nut (11) in-

stead of the clamping nut (9).

u The quick-clamping nut (11) may be used only for

grinding or cutting discs.

Only use quick-clamping nuts (11) that are in good work-

ing order and not damaged.

When screwing on, make sure that the printed side of the

quick-clamping nut (11) is not facing the grinding disc;

the arrow must be pointing towards the index mark (24).

(24)

Press the spindle lock but-

ton (1) to lock the grinding

spindle. To tighten the

quick-clamping nut, turn

the grinding disc firmly

clockwise.

If the quick-clamping nut

has been attached correctly

and is not damaged, you

can loosen it by hand by

turning the knurled ring an-

ticlockwise. If the quick-

clamping nut is stuck, do

not attempt to loosen it

with pliers – always use

the two-pin spanner. Posi-

tion the two‑pin spanner as

shown in the figure.

Approved abrasive

tools

You can use all the abrasive tools mentioned in these operat-

ing instructions.

The permissible speed [rpm] or the circumferential speed

[m/s] of the abrasive tools used must at least match the val-

ues given in the table.

It is therefore important to observe the permissible rota-

tional/circumferential speed on the label of the abrasive

tool.

max. [mm] [mm]

D b d [min

-1

] [m/s]

180

230

22.2

8500

6500

180

230

–

8500

6500

100 30 M 14 8500 45

Rotating the machine head

u Pull the plug out of the socket before carrying out any

work on the power tool.

The machine head can be ro-

tated in 90° increments. This

enables the on/off switch to

be brought into a more con-

venient position for particular

working situations, such as

cutting operations using the

extraction guard for cutting

with a guide block (21) or for

left-handed persons.

Completely unscrew the four screws. Rotate the machine

head carefully, without removing it from the housing, into

the new position. Screw in and retighten the four screws.

Dust/Chip Extraction

The dust from materials such as lead paint, some types of

wood, minerals and metal can be harmful to human health.

Touching or breathing in this dust can trigger allergic reac-

tions and/or cause respiratory illnesses in the user or in

people in the near vicinity.

Certain dusts, such as oak or beech dust, are classified as

carcinogenic, especially in conjunction with wood treatment

additives (chromate, wood preservative). Materials contain-

ing asbestos may only be machined by specialists.

– Use a dust extraction system that is suitable for the ma-

terial wherever possible.

– Provide good ventilation at the workplace.

– It is advisable to wear a P2 filter class breathing mask.

The regulations on the material being machined that apply in

the country of use must be observed.

u Avoid dust accumulation at the workplace. Dust can

easily ignite.

Bosch Power Tools 1 609 92A 433 | (08.05.2019)

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Bosch GWS 24-180 JH Professional Manual

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