Bosch GWS Professional 22-230 H Originalbetriebsanleitung Seite 20

OBJ_BUCH-777-010.book Page 21 Thursday, September 29, 2016 3:35 PM
Quick-clamping Nut
For convenient changing of grinding tools without the use of
additional tools, you can use the quick-clamping nut 11 in-
stead of the clamping nut 9.
 The quick-clamping nut 11 may be used only for grind-
ing or cutting discs.
Use only a flawless, undamaged quick-clamping nut 11.
When screwing on, pay attention that the side of the
quick-clamping nut 11 with printing does not face the
grinding disc; the arrow must point to the index mark 26.
Lock the grinder spindle with
the spindle lock button 1. To
26
tighten the quick-clamping
nut, firmly turn the grinding
disc in clockwise direction.
A properly attached, undam-
aged quick-clamping nut can
be loosened by hand when
turning the knurled ring in
anticlockwise direction.
Never loosen a tight quick-
clamping nut with pliers.
Always use the two-pin
spanner. Insert the two-pin
spanner as shown in the
illustration.
Approved Grinding Tools
All grinding tools mentioned in these operating instructions
can be used.
-1
The permissible speed [min ] or the circumferential speed
[m/s] of the grinding tools used must at least match the values
given in the table.
Therefore, observe the permissible rotational/circumferen-
tial speed on the label of the grinding tool.
max.
[mm] [mm]
D b
180 8 22.2
230 8 22.2
D
180
–
230
Bosch Power Tools
b
Rotating the Machine Head
 Before any work on the machine itself, pull the mains
tion protection guard 23 or for left-handed persons.
Completely unscrew the four screws. Rotate the machine
head carefully, without removing it from the housing, to the
new position. Screw in and tighten the four screws again.
Dust/Chip Extraction
 Dust from materials such as lead-containing coatings,
 Prevent dust accumulation at the workplace. Dust can
Operation
-1
d [min ] [m/s]
Starting Operation
 Observe correct mains voltage! The voltage of the pow-
8500 80
6500 80
8500 80
–
6500 80
max.
[mm] [mm]
D b d
d
100 30 M 14
D
plug.
The machine head can be
rotated with respect to
the machine housing in
90° steps. In this manner,
the On/Off switch can be
brought into a more con-
venient position for spe-
cial working situations,
e. g., for cutting opera-
tions using the cutting
guide with dust extrac-
some wood types, minerals and metal can be harmful to
one's health. Touching or breathing-in the dust can cause
allergic reactions and/or lead to respiratory infections of
the user or bystanders.
Certain dust, such as oak or beech dust, is considered car-
cinogenic, especially in connection with wood-treatment
additives (chromate, wood preservative). Materials con-
taining asbestos may only be worked by specialists.
– As far as possible, use a dust extraction system suitable
for the material.
– Provide for good ventilation of the working place.
– It is recommended to wear a P2 filter-class respirator.
Observe the relevant regulations in your country for the
materials to be worked.
easily ignite.
er source must agree with the voltage specified on the
nameplate of the machine. Power tools marked with
230 V can also be operated with 220 V.
English | 21
-1
[min ] [m/s]
8500 45
1 609 92A 2C8 | (29.9.16)