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26 | English
– 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.
1 609 929 K57 | (27.11.07)
– 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
Before any work on the machine itself, pull
the mains plug.
When mounting and replacing diamond cut-
ting discs, it is recommended to wear pro-
tective gloves.
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.
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.
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.
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