Bosch GWS 21-180 H Instrucciones De Servicio página 18

Screw on the clamping nut 11 and tighten with
the two-pin spanner (see Section "Quick Clamp-
ing Nut").
9
If the O-ring is missing or is damaged, it must
in all cases be
1 600 210 039) before the retainer flange 9 is
mounted.
After mounting the grinding tool and be-
fore switching on, check that the grind-
ing tool is correctly mounted and that it
can turn freely.
Flap disc
Remove the protective guard 6 and mount the
hand protector 17. Place the special retainer
flange 9 (optional
2 605 703 028) and the flap disc on the grinder
spindle 5. Screw on the clamping nut 11 and
tighten with the two-pin spanner.
Rubber Sanding Plate 19
Remove the protective guard 6 and mount the
hand protector 17.
Before the rubber sanding plate 19 is mounted
first place the 2 spacers 18 onto the grinding
spindle.
For mounting, see the illustration page.
Screw on the round nut 21 and tighten with the
two-pin spanner.
Cup Brush 22/Disc brush
Remove the protective guard 6 and mount the
hand protector 17.
The grinding tool must be able to be screwed
onto the grinding spindle 5 until it rests firmly
against the grinder spindle flange at the end of
the grinder spindle threads. Tighten with an
open-ended spanner.
19 • 1 609 929 C63 • TMS • 25.07.01
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An O-ring (plastic
part) is inserted in
the retainer flange 9
around the spigot.
replaced (Order No.
extra, Order No.
English - 5
Grinding cup
When working with grinding cups, use a
special guard 15.
The grinding cup 16 should always protrude
from the guard 15 only as far as absolutely nec-
essary for the work to be performed in each case.
Adjust the guard 15 to this distance.
For mounting, see the illustration page.
Screw on the clamping nut 11 and tighten with a
suitable offset two-pin spanner.
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
rotational/circumferential speed on the label
of the grinding tool.
max.
[mm]
D b
d
180 8
230 8
D
b
180 –
D
230 –
d
100 30
b
D
Quick Clamping Nut
(Optional Extra)
Instead of the clamping nut 11, the quick clamp-
ing nut 12 (optional extra) can be used. Grinding
tools can be mounted without using tools.
The quick clamping nut 12 may be used only
for roughing and cutting discs.
Use only a flawless, undamaged quick clamp-
ing nut 12.
[mm]
d [rpm] [m/s]
22.2 8 500 80
22.2 6 500 80
– 8 500 80
– 6 500 80
M 14 8 500 45