Bosch GWS 18V-15 C Professional Manual Original página 36

36 | English
Always secure a grinding/cutting disc using only the
u
quick-clamping nut (21) supplied.
it does not twist away from the spindle in the runout of the
power tool.
A plastic part (O-ring) is fitted around the cent-
ring collar in the mounting flange (17). If the
O-ring is missing or damaged, the mounting
flange (17) must be replaced before operation
can resume.
After fitting the abrasive tool, check that the abrasive
u
tool is fitted correctly and can turn freely before
switching on the power tool. Make sure that the abras-
ive tool does not brush against the protective guard or
other parts.
Approved abrasive tools
You can use all the abrasive tools mentioned in these operat-
ing instructions.
The permissible speed [min -1 ] or the circumferential speed
[m/s] of the abrasive tools used must at least match the val-
ues given in the table.
1 609 92A 6WP | (08.06.2022)
Press the spindle lock but-
ton (3) to lock the grinding
spindle. To tighten the
quick-clamping nut (21),
fold up the bar and turn the
quick-clamping nut firmly
clockwise. Then fold down
the bar to secure the quick-
clamping nut. It is not suf-
ficient to tighten the disc
along the edge.
Quick-clamping nuts (21)
that are properly secured
and not damaged can be re-
moved by hand. To do this,
fold up the bar and turn the
quick-clamping nut firmly
anticlockwise. If the quick-
clamping nut is stuck, do
not attempt to loosen it with
a tool – always use a two-
pin spanner.
After fitting the mounting
flange and the grinding/cut-
ting disc, the free thread
length of the grinding
spindle must be at least
4 mm.
Ensure that the abrasive
tool is firmly seated, so that
It is therefore important to observe the permissible rota-
tional/circumferential speed on the label of the abrasive
tool.
Max. [mm] [mm]
D b s
125 7.2 – 22.2
150 7.2 – 22.2
125 4.2 – 22.2
150 4.2 – 22.2
125 – –
150 – –
75 30 – M 14
125 24 – M 14
125 19 – 22.2
150 24 – M 14
150 19 – 22.2
125 – – M 14
83 – – M 14
125 6 10 22.2
150 6 10 22.2
s
α
125 21 – 22.2
Rotating the machine head (see figure F)
Remove the battery from the power tool before carry-
u
ing out work on the power tool (e.g. maintenance,
changing tool, etc.). The battery should also be re-
moved for transport and storage. There is risk of injury
from unintentionally pressing the on/off switch.
The machine head can be rotated in 90° increments. In this
way, the on/off switch can be brought into a more favourable
handling position for particular applications, e.g. for left-
handed tool users.
Completely unscrew the four screws (➊). Rotate the ma-
chine head carefully, without removing it from the hous-
ing, into the new position (➋). Screw in and retighten the
four screws (➌).
Dust/Chip Extraction
Dust from materials such as lead-containing coatings, some
wood types, minerals and metal can be harmful to one's
[°]
d α [min -1 ] [m/s]
– 11,000 80
– 8500 80
– 11,000 80
– 8500 80
– – 11,000 80
– – 8500 80
– 11,000 80
– 11,000 80
– 11,000 80
– 8500 80
– 8500 80
– 11,000 80
– 11,000 80
> 0 11,000 80
> 0 8500 80
– 11,000 80
Bosch Power Tools