Bosch Professional GWS 8-125 C Operating Instructions Manual page 13

14 | English
Quick-clamping Nut
For convenient changing of grinding tools with-
out the use of additional tools, you can use the
quick-clamping nut 12 instead of the clamping
nut 11.
The quick-clamping nut 12 may be used only
for grinding or cutting discs.
Use only a flawless, undamaged quick-clamping
nut 12.
When screwing on, pay attention that the side
of the quick-clamping nut 12 with printing does
not face the grinding disc; the arrow must point
to the index mark 22.
22
ner as shown in the illustration.
Approved Grinding Tools
All grinding tools mentioned in these operating
instructions can be used.
The permissible speed [min
ential speed [m/s] of the grinding tools used
must at least match the values given in the table.
Therefore, observe the permissible rotation-
al/circumferential speed on the label of the
grinding tool.
1 609 929 L33 | (24.7.08)
Lock the grinder spin-
dle with the spindle
lock button 1. To tight-
en the quick-clamping
nut, firmly turn the
grinding disc in clock-
wise direction.
A properly attached, un-
damaged quick-clamp-
ing nut can be loosened
by hand when turning
the knurled ring in anti-
clockwise direction.
Never loosen a tight
quick-clamping nut
with pliers. Always use
the two-pin spanner.
Insert the two-pin span-
-1
] or the circumfer-
max.
[mm]
D
100
d
115
D
125
b
100
D
115
125
d
70
b 75
D
Rotating the Machine Head
Before any work on the machine itself, pull
the mains plug.
situations, e.g. 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
Dusts from materials such as lead-containing
coatings, some wood types, minerals and
metal can be harmful to one's health. Touch-
ing or breathing-in the dusts can cause aller-
gic reactions and/or lead to respiratory infec-
tions of the user or bystanders.
Certain dusts, such as oak or beech dust, are
considered as carcinogenic, especially in con-
nection with wood-treatment additives (chro-
mate, wood preservative). Materials containing
asbestos may only be worked by specialists.
[mm]
-1
b d [min ] [m/s]
6 16.0 11000
6 22.2 11000
6 22.2 11000
– – 11000
– –
11000
– –
11000
30 M 10 11000
30 M 14 11000
The machine head
can be rotated with
respect to the ma-
chine housing in 90°
steps. In this man-
ner, the On/Off
switch can be
brought into a more
convenient position
for special working
Bosch Power Tools
80
80
80
80
80
80
45
45