Manual Bosch PWS 20-230 J (page 13 of 111) (English, German, Dutch, Danish, French, Italian, Portuguese, Swedish, Turkish, Spanish, Norwegian, Finnish)

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■ When grinding metal, flying sparks are pro-

duced. Take care that no persons are endan-

gered. Due to danger of fire, no combustible

materials should be located in the vicinity

(spark flight zone).

■ Be careful when cutting grooves, e. g. in struc-

tural walls: See Information on Structures.

■ Blocking the cutting disc leads to jerking reac-

tion forces on the machine. In this case switch

off the machine immediately.

■ Pay attention to the dimensions of the grinding

disc. The mounting hole diameter must fit the

mounting flange 9 without play. Do not use re-

ducers or adapters.

■ Never use cutting discs for rough grinding. Do

not exert any lateral pressure on the cutting

discs.

■ Observe the manufacturer’s instructions for

mounting and using grinding tools.

■ Caution! The grinding tool runs on after the

machine is switched off.

■ Do not clamp the machine in a vice.

■ Never allow children to use the machine.

■ Bosch is only able to ensure perfect operation

of the machine if the original accessories in-

tended for it are used.

Slots in structural walls are subject to the Stand-

ard DIN 1053, Part 1 or country-specific regula-

tions.

These regulations are to be observed under all

circumstances. Before beginning work, consult

the responsible structural engineer, architects or

the construction supervisor.

■ Before any work on the machine itself, pull

the mains plug.

■ For work with grinding or cutting discs, the

protection guard 6 must be mounted.

Protection Guard with Locking Screw

The coded projection 8 on the protection guard 6

ensures that only a guard that fits the machine

type can be mounted.

Loosen the clamping screw 7, if necessary.

Place the protection guard 6 with coded projec-

tion 8 into the coded groove on the spindle collar

of the machine head and rotate to the required

position (working position).

The closed side of the protection guard 6

must always point to the operator.

Tighten clamping screw 7.

Protection Guard with Quick Clamp

☞

The protection guard is preadjusted to the

diameter of the spindle collar. If required,

the tightening tension of the clamping

bracket can be changed by tightening or

loosening the adjustment screw 13. Al-

ways ensure that the protection guard 6 is

seated tightly on the spindle collar.

Open the clamping lever 14.

Place the protection guard 6 with coded projec-

tion 8 into the coded groove on the spindle collar

of the machine head and rotate to the required

position (working position).

To fasten the protection guard 6, close the

clamping lever 14.

The closed side of the protection guard 6

must always point to the operator.

Auxiliary Handle

■ For all work with the machine, the auxiliary

handle must be mounted.

Screw the auxiliary handle 4 into the head of the

machine according to the working method.

Vibration-dampening Auxiliary Handle

The vibration-dampening auxiliary handle re-

duces the vibrations, making operation more

comfortable and secure.

Do not make any alterations to the aux-

iliary handle.

Do not continue to use an auxiliary handle if it is

damaged.

Hand Guard

For work with the rubber sanding plate 20 or with

the cup brush 23/disc brush/flap disc, the hand

guard 18 (accessory) is to be mounted. The hand

guard 18 is fastened with the auxiliary handle 4.

Information on Structures

Mounting the

Protective Devices

1 609 929 R44 - Buch Seite 3 Dienstag, 11. März 2008 2:06 14

13 • 1 609 929 R44 • 05.01

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Bosch PWS 20-230 J Manual

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