Bosch GTR Professional 550 Manual Original página 18

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18 | English
Cause
Corrective measure
The drying times for the
Refer to the technical inform-
bodyfiller material have not
ation sheets and manufac-
been observed.
turer's recommendations.
The suction effect is too
Reduce the suction power.
strong.
The bodyfiller material has a
Use a sanding sheet with a
high proportion of filler or is
finer grit.
very soft.
The running power tool has
Position the power tool be-
been positioned on the sur-
fore switching it on.
face (scoring).
Work on the surface and al-
ways work with the remov-
able brush segment.
There are sanding marks on the surface.
The hard sanding pad has
Use a soft sanding pad with
been positioned at an angle
an intermediate plate.
on the surface.
In the case of very soft body-
Use a soft sanding pad with
filler material, the sanding
an intermediate plate.
pad is too hard or the grit of
Choose a finer abrasive grit.
the abrasive is too coarse.
The suction effect is insufficient.
The suction power on the
Increase the suction power
dust extractor is too low.
on the dust extractor.
The drywall sander's speed is
Reduce the speed.
too high.
The internal dust extraction
Reduce the suction power or
on the drywall sander is too
switch to external dust ex-
low.
traction.
The bodyfiller material has a
Switch on the external dust
high proportion of filler or is
extraction, set the suction
very soft.
power thumbwheel to setting
6 and, in extreme cases, re-
duce the speed.
The main filter on the dust
Clean the filter element regu-
extractor is blocked/
larly:
jammed.
– Option 1: Set the suction
– Option 2: Clean the filter
– Option 3: Check the filter
1 609 92A 6MX | (16.08.2021)
Cause
A fleece dust bag is being
used.
The vacuum hose is blocked
or twisted.
The dust extractor's dust
container is full.
Maintenance and Service
Maintenance and Cleaning
u
u
In order to avoid safety hazards, if the power supply cord
needs to be replaced, this must be done by Bosch or by an
after-sales service centre that is authorised to repair Bosch
power tools.
Changing the Connection Hose (see figure G)
To remove the connection hose (18), loosen the screw on
the hose clamp (24) with a screwdriver and lift the hose
clamp (24) off with the connection hose (18). Remove the
hose clamp (24). Pull out the inner housing (23) of the hose
mount (22) at the other end of the connection hose (18).
Hold the inner housing (23) in place and unscrew the con-
nection hose (18).
To insert a new connection hose (18), hold the inner hous-
ing (23) in place and screw in the new connection hose (18)
all the way. Fit the hose clamp (24) on the other side of the
connection hose (18). Position the screw head so that you
can tighten the hose clamp (24) effortlessly on the sanding
head (11) with a screwdriver with a torque of around 2 Nm.
After-Sales Service and Application Service
Our after-sales service responds to your questions concern-
ing maintenance and repair of your product as well as spare
parts. You can find explosion drawings and information on
spare parts at: www.bosch-pt.com
power regulation to the
The Bosch product use advice team will be happy to help you
maximum suction power.
with any questions about our products and their accessor-
Seal the nozzle, vacuum
ies.
hose or intake port on the
In all correspondence and spare parts orders, please always
dust extractor with the
include the 10‑digit article number given on the nameplate
palm of your hand for
of the product.
10 seconds until the auto-
matic cleaning starts.
Great Britain
Robert Bosch Ltd. (B.S.C.)
element mechanically (ex-
P.O. Box 98
traction).
Broadwater Park
North Orbital Road
Denham Uxbridge
element for damage and
UB 9 5HJ
blockages. Insert a new
At www.bosch-pt.co.uk you can order spare parts or arrange
filter element regularly.
the collection of a product in need of servicing or repair.
Corrective measure
Use a waste disposal dust
bag.
Remove the blockage or un-
twist the hose.
Empty the dust extractor's
dust container.
Pull the plug out of the socket before carrying out any
work on the power tool.
To ensure safe and efficient operation, always keep
the power tool and the ventilation slots clean.
Bosch Power Tools
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