Bosch GWS 21-180 H Professional Instructions D'emploi page 18

9
If the O-ring is missing or is damaged, it must
in all cases be
1 600 210 039) before the mounting 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
Depending on the application, remove the protec-
tion guard 6 and mount the hand guard 18. Place
the special mounting flange 9 (accessory, Order
No. 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 20
Depending on the application, remove the protec-
tion guard 6 and mount the hand guard 18.
Before mounting the rubber sanding pad 20,
place the 2 spacers 19 onto the grinding spindle.
For mounting, see the illustration page.
Screw on the round nut 22 and tighten with the
two-pin spanner.
Cup Brush 23/Disc Brush
Depending on the application, remove the protec-
tion guard 6 and mount the hand guard 18.
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-end spanner.
Grinding Cup
When working with grinding cups, use
the 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
the fitting offset two-pin spanner 17.
19 • 1 609 929 R35 • 03.11
An O-ring (plastic
part) is inserted in
the mounting
flange 9 around the
spigot.
replaced (Order
Quick Clamping Nut
Instead of the clamping nut 11, the quick-clamp-
ing nut 12 (accessory) can be used. Grinding
tools can then be mounted without using tools.
The quick-clamping nut 12 may be used only
for grinding and cutting discs.
Use only a flawless, undamaged quick-clamp-
No.
ing nut 12.
When screwing on, take care that the side with
printing does not point to the grinding disc. The
arrow must point to the index mark 29.
12
2
2
English - 5
Lock
spindle with the spin-
29
dle lock
Tighten the quick-
clamping
forcefully turning the
grinding disc in the
clockwise direction.
A properly tightened
undamaged,
clamping nut can be
loosened by hand
turning the knurled
ring in anticlockwise
direction.
Never loosen a tight
quick-clamping nut
with pliers but use a
two-pin spanner. In-
sert the
spanner as shown in
the illustration.
the grinder
button 2.
nut by
quick-
two-pin