Bedienungsanleitung Bosch GNF 20 CA (Seite 26 von 163) (Deutsch, Englisch, Holländisch, Dänisch, Französisch, Italienisch, Portugiesisch, Spanisch, Türkisch, Schwedisch, Norwegisch, Finnisch)

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26 | English

1 609 929 K57 | (27.11.07) Bosch Power Tools

– It is recommended to wear a P2 filter-

class respirator.

Observe the relevant regulations in your

country for the materials to be worked.

The vacuum cleaner must be approved for the

extraction of masonry dust. Bosch provides suit-

able vacuum cleaners.

The machine can be plugged directly into the re-

ceptacle of a Bosch all-purpose vacuum cleaner

with remote starting control. The vacuum clean-

er starts automatically when the machine is

switched on.

Place a vacuum hose 12 (accessory) onto the

vacuum connection 13. Connect the vacuum

hose 12 with a vacuum cleaner (accessory). An

overview for the connection of various vacuum

cleaners can be found at the end of these in-

structions.

Information for the Use of Wall Chasers

Please observe the following notes in order to

reduce the dust emissions occurring while

working.

– Use only the combinations of wall chaser and

dust-category M vacuum cleaner recom-

mended by Bosch. Other combinations can

lead to insufficient dust collection and sepa-

ration.

– Observe the operating instructions of the

vacuum cleaner for maintenance and clean-

ing of the vacuum cleaner, including the fil-

ter. Empty dust collection containers imme-

diately once full. Clean the filters of the

vacuum cleaner regularly and always insert

the filters completely into the vacuum clean-

er.

– Only use vacuum hoses as intended for by

Bosch. Do not manipulate the vacuum hose.

When rocks or chunks of stone/masonry are

drawn into the vacuum hose, cease work and

clean the vacuum hose immediately. Prevent

the vacuum hose from being bent or creased.

– Use the wall chaser only according to its in-

tended use.

– Only use tools that are in perfect condition.

Decrease in work progress is noticeable

whilst using worn tools.

– Observe the general requirements for con-

struction sites.

– Provide for good ventilation.

– Ensure that the working range/area is free of

obstructions. For longer slots, the vacuum

cleaner must be guided along in time, with-

out obstructions in the path.

– Wear hearing protection, protective goggles,

dust mask and gloves as required. As dust

mask, use at least a particle-filtering class

FFP 2 half-mask.

– Use a suitable vacuum cleaner for cleaning

the workplace. Prevent settled dust from be-

ing swirled up by sweeping.

Mounting Diamond Cutting Discs

f Before any work on the machine itself, pull

the mains plug.

f When mounting and replacing diamond cut-

ting discs, it is recommended to wear pro-

tective gloves.

f Diamond cutting discs become very hot dur-

ing operation; do not touch them until they

have cooled down.

Swivelling Out the Cutting Unit

For a tool change, the cutting unit must be swiv-

elled out completely. Place the machine on a

firm surface. Turn the release lock 2 in anticlock-

wise direction, using e. g. the spanner end of

the two-pin spanner 1.

f This releases the cutting unit and immedi-

ately swivels it upwards by means of resil-

iance.

Dismounting the Clamping Assembly

(see figure A)

Press the spindle lock button 9 to lock the grind-

ing spindle.

f Actuate the spindle lock button only when

the grinder spindle is at a standstill. Other-

wise, the machine may become damaged.

Loosen the clamping nut 20 with the two-pin

spanner 1 and unscrew the clamping nut 20. Re-

move the spacer discs 19 and the mounting

flange 17.

Clean the grinder spindle 16 and all parts to be

mounted.

OBJ_BUCH-126-001.book Page 26 Tuesday, November 27, 2007 9:54 AM

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