Bosch PWS 20-230 Manual Original página 27

OBJ_BUCH-976-001.book Page 28 Monday, April 20, 2009 8:21 AM
28 | English
Cup Brush/Disc Brush
For operations with the cup brush/wheel
brush, always mount the hand guard 14.
See graphics page for the mounting sequence.
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 spanner.
Grinding Cup
When working with the grinding cup, mount
the special protection guard 12.
The grinding cup 13 should never project further
out of the protection guard 12 than necessary
for the respective grinding application. Adjust
the protection guard 12 accordingly to this di-
mension.
See graphics page for the mounting sequence.
Screw on the clamping nut 10 and tighten with
the corresponding offset two-pin spanner.
Quick-clamping Nut
For convenient changing of grinding tools with-
out the use of additional tools, you can use the
quick-clamping nut 11 instead of the clamping
nut 10.
The quick-clamping nut 11 may be used only
for grinding or cutting discs.
Use only a flawless, undamaged quick-clamp-
ing 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 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.
1 609 929 S69 | (20.4.09)
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
230 8 22.2
D
b
D
230 –
d
100 30 M 14
b
D
-1
] or the circumfer-
-1
d [min ] [m/s]
6500 80
– 6500 80
8500 45
Bosch Power Tools