Bosch GWS 6-100E - Page 9

English - 5
A properly tightened
and undamaged
quick clamping nut
can be loosened by
turning the knurled
ring counter-clock-
wise.
Never loosen a
tightened quick
clamping nut with
pliers. Instead, use
a two-hole spanner.
Insert the two-hole
spanner as shown in
the illustration.
All grinding tools mentioned in this operating
manual instruction can be used.
The permissible speed [rpm] or the circumferen-
tial speed [m/s] of the grinding tools used must
correspond minimally to the values given in the
table.
For this reason, always observe the permissible
rotational/circumferential speed on the label
of the grinding tool.
Always use the correct voltage: The voltage of
the power source must agree with the values on
the nameplate of the machine.
To start the machine, press the On/Off switch 2
forward.
To lock-on, press the On/Off switch 2 down at
the front until it engages.
To switch off the machine, release the On/Off
switch 2 or press the rear tip of it down.
☞
Test run!
Check the grinding tool before use. The
grinding tool must be flawlessly mounted
and be able to rotate freely. Perform a test
run of at least 30 seconds without load. Do
not use damaged or vibrating grinding
tools.
Constant electronics (GWS 8-100 C,
GWS 8-100 CE, GWS 8-115 C,
GWS 8-125 C, GWS 8-125 CE)
The electronically-controlled speed remains con-
stant under no load and load conditions, thus en-
suring a uniform output.
Speed Selection (GWS 6-100 E,
GWS 6-115 E, GWS 8-100 CE,
GWS 8-115 CE, GWS 8-125 CE)
Preselect the required speed using the thumb
wheel 1 according to the table following the sec-
tion “Product Specification” (reference values).
■ Clamp down the workpiece if it does not
stay in place owing to its own weight.
■ Do not load the machine so heavily that it
comes to a standstill.
■ Grinding and cutting discs become very
hot during use; do not touch them until
they have cooled down.
Rough Grinding
The best roughing results can be
achieved with a 30° to 40° ap-
proach angle. Move the machine
back and forth with moderate pres-
sure. In this manner, the work piece
will not overly heat up nor discolor
and no ridges will be formed.
Never use a cutting disc for roughing.
Flap disc
The flap disc (accessory) can be used for working
on curved surfaces and profiles (contour sand-
ing).
Flap discs have a considerably higher service life
than sanding sheets, a lower noise level and
lower sanding temperatures.
Approved Grinding Tools
max.
[mm] [mm]
Db d[rpm] [m/s]
100
115
125
6
6
6
16.0
22.2
22.2
11 000
11 000
11 000
80
80
80
100
115
125
–
–
–
–
–
–
11 000
11 000
11 000
80
80
80
70
75
30
30
M 10
M 14
11 000
11 000
45
45
Initial Operation
4
b
d
D
D
D
b
d
Operating Instructions
2 609 140 063 - Buch Seite 5 Mittwoch, 11. Februar 2004 10:03 10
10 • 2 609 140 063 • TMS • 04.02.04
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