Approved Grinding Tools; Quick Clamping Nut; Initial Operation - Bosch GWS 7-115 Operating Instructions Manual

Flap disc
Depending on the application, remove the blade
guard 6 and mount the hand guard 12.
Place the special retainer flange 8 (accessory,
Order No. 2 605 703 028) and the flap disc on the
grinder spindle 5. Screw on the clamping nut 10
and tighten with the two-pin spanner.
Rubber Sanding Plate 13
Depending on the application, remove the blade
guard 6 and mount the hand guard 12.
For mounting, see the illustration page.
Screw on the round nut 15 and tighten with the
two-pin spanner.
Cup Brush 16/Disc brush
Depending on the application, remove the blade
guard 6 and mount the hand guard 12.
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.

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
115
d
125
D
150
b
115
D
125
d
b
75
D
18 • 1 609 929 C85 • TMS • 26.11.01
[mm]
b d [rpm]
6 22.2 11 000
6 22.2 11 000
6 22.2 9 300
– – 11 000
– – 11 000
30 M 14 11 000
(accessory)
Instead of the clamping nut 10, the quick clamp-
ing nut 11 (accessory) can be used. Grinding
tools can be mounted without using tools.
The quick clamping nut 11 may be used only
for roughing and cutting discs.
Use only a flawless, undamaged quick clamp-
ing nut 11.
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 21.
11
4
4

Initial Operation

Observe correct mains voltage: The voltage of
[m/s]
the power source must agree with the voltage
specified on the nameplate of the machine.
80
Equipment marked with 230 V can also be con-
80
nected to 220 V.
80
To start the machine, press the On/Off switch 2
forward.
80
80
To lock the On/Off switch 2, press it down in the
front position.
To switch off the unit, release the On/Off
switch 2 or press the rear tip of it down.
45
English - 5

Quick Clamping Nut

Lock
spindle with the spin-
21
dle locking button 4.
Tighten
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 the counter-
clockwise 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
the quick
nut by
quick
two-hole