Manual Bosch GWS 21-230 (page 17 of 261) (English, German, Dutch, Danish, French, Italian, Polish, Portuguese, Swedish, Turkish, Spanish, Norwegian, Finnish)

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English - 4

■ 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 14 on the protection

guard 6 ensures that only a guard that fits the ma-

chine type can be mounted.

Loosen the clamping screw 13, if necessary.

Place the protection guard 6 with coded projec-

tion 14 into the coded groove on the spindle col-

lar 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 13.

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 7. Always

ensure that the protection guard 6 is

seated tightly on the spindle collar.

Open the clamping lever 8.

Place the protection guard 6 on the spindle collar

of the machine head and turn to the required po-

sition (working position).

To fasten the protection guard 6, close the

clamping lever 8.

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.

■ Before any work on the machine itself, pull

the mains plug.

Use only grinding tools with a permissi-

ble speed at least as high as the no-load

speed of the machine.

Grinding and cutting discs become very

hot while working; do not touch until

they have cooled.

■ Clean the grinder spindle and all parts to be

mounted. For clamping and loosening the

grinding tools, lock the grinder spindle 5 with

the spindle lock button 2.

Actuate the spindle lock button 2 only when

the grinder spindle is at a standstill!

Grinding/Cutting Disc

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.

When using a diamond cutting disc, take care

that the direction-of-rotation arrow on the dia-

mond cutting disc and the direction of rotation of

the machine (direction-of-rotation arrow on the

machine head) agree.

For mounting, see the illustration page.

Screw on the clamping nut 11 and tighten with

the two-pin spanner (see Section “Quick-clamp-

ing Nut”).

Mounting the

Protective Devices

Mounting the Grinding Tools

1 609 929 R35.book Seite 4 Mittwoch, 13. Februar 2008 1:16 13

18 • 1 609 929 R35 • 03.11

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Bosch GWS 21-230 Manual

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