Bosch GWS 180 Bedienungsanleitung Seite 18

Quick Clamping Nut
(Optional Extra)
27
12
2
2
Lock the grinder spindle with the spindle locking
button 2. Tighten the quick clamping nut by force-
fully turning the grinding disc in the clockwise di-
rection.
A properly tightened undamaged, quick clamping
nut can be loosened by hand turning the knurled
ring in the counter-clockwise direction.
Never loosen a tight quick clamping nut with
pliers but use a two-hole spanner. Insert the
two-hole spanner as shown in the illustration.
1 609 929 B76 • TMS • 30.11.00
Instead of the clamp-
ing nut 11, the quick
clamping nut 12 (op-
tional extra) can be
used. Grinding tools
can be mounted with-
out using tools.
The quick clamping
nut 12 may be used
only for roughing
and cutting discs.
Use only a flawless,
undamaged quick
clamping nut 12.
When screwing on,
take care that the
side with printing
does not point to the
grinding disc. The ar-
row must point to the
index mark 27.
English - 5
Approved Grinding Tools
All grinding tools described in these operating in-
structions can be used (roughing and cutting
discs of synthetic resin-bonded, fibre-reinforced
material).
The permissible speed [RPM] or the circumferen-
tial speed [m/s] of the grinding tools used must be
at least in accordance with the values given in the
table.
Therefore, always observe the permissible rota-
tional/circumferential speed on the label of the
grinding tool.
max.
[mm]
D
d
180
D 230
b
180
D
230
d
100
b
D
[mm]
b d [RPM] [m/s]
8 22.2 8 500
8 22.2 6 500
– – 8 500
– – 6 500
30 M 14 8 500
80
80
80
80
45