Quick-Clamping Nut - Bosch GWS 22-180 H Professional Manual Original

OBJ_BUCH-812-001.book Page 29 Wednesday, July 23, 2008 4:02 PM
The cup brush/disc brush must be able to be
screwed onto the grinder spindle until it rests
firmly against the grinder spindle flange at the
end of the grinder spindle threads. Tighten the
cup brush/disc brush with an open-end span-
ner.
Grinding Cup
When working with the grinding cup, mount
the special protection guard 11.
The grinding cup 12 should never project further
out of the protection guard 11 than necessary
for the respective grinding application. Adjust
the protection guard 11 accordingly to this di-
mension.
See graphics page for the mounting sequence.
Screw on the clamping nut 9 and tighten it with
the two-pin spanner 13.

Quick-clamping Nut

For convenient changing of grinding tools with-
out the use of additional tools, you can use the
quick-clamping nut 10 instead of the clamping
nut 9.
The quick-clamping nut 10 may be used only
for grinding or cutting discs.
Use only a flawless, undamaged quick-clamp-
ing nut 10.
When screwing on, pay attention that the side
of the quick-clamping nut 10 with printing
does not face the grinding disc; the arrow must
point to the index mark 22.
Lock the grinder spin-
dle with the spindle
22
lock button 1. To tight-
en the quick-clamping
nut, firmly turn the
grinding disc in clock-
wise direction.
Bosch Power Tools
A properly attached,
undamaged quick-
clamping 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 span-
ner. Insert the two-pin
spanner 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.
max.
[mm] [mm]
D b
d
180 8 22.2
230 8 22.2
D
b
180
D
–
230
d
100 30 M 14
b
D
1 609 929 L91 | (23.7.08)
English | 29
-1
] or the circumfer-
-1
d [min ] [m/s]
8500 80
6500 80
8500 80
–
6500 80
8500 45