Bosch GWS18V-13C Instrucciones De Funcionamiento Y Seguridad página 24

MASONRY / CONCRETE CUTTING
Never pull the tool back-
ward since blade will climb
out of the material and KICKBACK will occur.
With this grinder it is possible to perform cut-
ting of concrete and masonry materials. When
cutting, work with moderate feed, adapted to
the material being cut.
Always follow precautions for kickback.
Operate the tool with a dust extraction system
and personal dust protection, e.g. respirator,
dust mask, etc. The vacuum used for this appli-
cation must be approved for the extraction of
masonry and concrete dust. Bosch sells suitable
vacuum cleaners.
1. Allow the tool to reach full speed before
touching the tool to the work surface.
2. If plunge cutting:
a. Tilt tool forward with wheel lined up
with the cut line and hold the tool by the
grinder body and the auxiliary handle
(Fig. 18).
b. Gradually lower the rear of tool using the
front end of the foot as the hinge point.
c. When the foot rests flat on the surface
being cut, proceed cutting in forward di-
rection to end of cut.
3. Always maintain contact between the guard
foot and work piece.
4. Slide the tool forward at a moderate speed
adapted to the material being cut. Always
cut towards the dust extraction port to maxi-
mize dust extraction and reduce likelihood
of kickback (Fig. 19).
5. Apply minimum pressure to the work sur-
face, allowing the tool to operate at high
speed. Cutting rate is greatest when the tool
operates at high speed.
6. When the cut is completed, remove tool from
work piece before turning off. Allow wheel to
stop rotating before setting tool down.
Tip: When performing deep cuts, it is best to
cut in several shallow passes. Each pass should
be only to the segment depth of the wheel. Ma-
sonry dust is abrasive and may wear and weaken
the segment bond.
160992A7PL GWS18V-13CP 202206.indd 24
Operating Instructions
Fig. 18
Fig. 19
When cutting especially hard material, e. g., con-
crete with high pebble content, the dry diamond
wheel can overheat and become damaged. This
is clearly indicated by circular sparking of the ro-
tating dry diamond wheel. In this case, interrupt
the cutting process and allow the dry diamond
wheel to cool by running the tool for a short pe-
riod of time at the maximum speed with no-load.
Noticeable decreasing work progress and cir-
cular sparking are indications of a dry diamond
wheel that has become dull. Briefly cutting into
abrasive materials (e. g. brick) can resharpen
the wheel.
Operate the tool with a dust extraction system
and personal dust protection, e.g. respirator,
dust mask, etc. The vacuum used for this appli-
cation must be approved for the extraction of
masonry and concrete dust. Bosch sells suitable
vacuum cleaners.
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CONCRETE SURFACING
6/22/22 2:39 PM