Bosch Professional GWS 7-100 Manual Original página 21

Mounting flange for grinding spindle M10:
The mounting flange can be used on both sides.
Flap disc
Always fit the hand guard (17) when working with the
u
flap disc.
Rubber sanding pad
Always fit the hand guard (17) when working with the
u
rubber sanding pad (18).
See the graphics page for fitting instructions.
Slide the rubber sanding pad (18) onto the grinding spindle
(16).
Screw on the round nut (20) and tighten with the two-pin
spanner.
Press the sanding sheet (19) firmly onto the underside of
the rubber sanding pad (18).
Cup brush/disc brush
Always fit the hand guard (17) when working with the
u
cup brush or disc brush.
See the graphics page for fitting instructions.
The cup brush/disc brush must be screwed onto the grinding
spindle until it rests firmly against the grinding spindle flange
at the end of the grinding spindle thread. Tighten the cup
brush/disc brush with an open-ended spanner.
Carbide Grinding Head
A grinding head may be used only with a suitable pro-
u
tective guard.
Quick-clamping nut
To change the abrasive tool easily without having to use any
additional tools, you can use the quick-clamping nut (13) in-
stead of the clamping nut (12).
The quick-clamping nut (13) may be used only for
u
grinding or cutting discs.
Only use quick-clamping nuts (13) that are in good work-
ing order and not damaged.
When screwing on, make sure that the printed side of the
quick-clamping nut (13) is not facing the grinding disc;
the arrow must be pointing towards the index mark (24).
(24)
Bosch Power Tools
Press the spindle lock but-
ton (1) to lock the grinding
spindle. To tighten the
quick-clamping nut, turn
the grinding disc firmly
clockwise.
tools
You can use all the abrasive tools mentioned in these operat-
ing instructions.
The permissible speed [rpm] or the circumferential speed
[m/s] of the abrasive tools used must at least match the val-
ues given in the table.
It is therefore important to observe the permissible rota-
tional/circumferential speed on the label of the abrasive
tool.
max. [mm]
D b
100 7
115 7
125 7
100 –
115 –
125 –
70 30
75 30
82 –
Rotating the machine head
Pull the plug out of the socket before carrying out any
u
work on the power tool.
English | 21
If the quick-clamping nut
has been attached correctly
and is not damaged, you
can loosen it by hand by
turning the knurled ring an-
ticlockwise. If the quick-
clamping nut is stuck, do
not attempt to loosen it
with pliers – always use
the two-pin spanner. Posi-
tion the two‑pin spanner as
shown in the figure.
Approved abrasive
[mm]
-1
d [min ] [m/s]
16.0 11000 80
22.2 11000 80
22.2 11000 80
– 11000 80
– 11000 80
– 11000 80
M10 11000 45
M14 11000 45
M14 11000 80
The machine head can be
rotated in 90° increments.
In this way, the on/off
switch can be brought into
a more favourable handling
position for particular ap-
plications, e.g. for left-
handed tool users.
1 609 92A 4ZA | (26.04.2019)