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| English
1 609 92A 2H2 | (17.8.16)
Bosch Power Tools
Assembly
Before any work on the machine itself, pull the mains
plug.
– Use suitable screws to fix the power tool to the workbench /
worktop at the 4 holes
7
provided.
Mounting the Spark Guard/Workpiece Support
(see figures A–D)
Use the machine only with the spark guard 10.
Sparks
being expelled can injure your eyes or set objects in the vi-
cinity on fire.
– Mount the holder for the spark guard
9
with the two
screws.
– Screw the spark guard
10
to the holder of the spark guard
9
.
– Mount the workpiece support
11
as shown in the figure.
Do not interchange the right and left workpiece sup-
port 11.
Otherwise, the clearance between workpiece
support
11
and grinding wheel will be too large. When the
clearance is larger, you are not sufficiently protected
against sparking. The workpiece can be drawn in by the ro-
tational motion of the grinding wheel and lead to injuries.
Regularly check the clearance between the workpiece
support 11 as well as the holder of the spark guard 9 to
the grinding wheel, and readjust as required. The clear-
ance to the grinding wheel may not exceed 2 mm.
When
the clearance is larger, you are not sufficiently protected
against sparking. The workpiece can be drawn in by the ro-
tational motion of the grinding wheel and lead to injuries.
Replace the grinding wheel when the holder of the spark
guard
9
can no longer be adjusted to the required clearance of
2 mm (max.) to the grinding wheel.
Changing a Grinding Wheel
Before any work on the machine itself, pull the mains
plug.
The rated speed of the accessory must be at least equal
to the maximum speed marked on the power tool.
Ac-
cessories running faster than their rated speed can break
and fly apart.
Replace the grinding wheel as soon as its residual material
reaches a thickness of 10 mm.
– Loosen the 3 screws of cover
1
and remove cover
1
. Hold
the grinding wheel
wearing protective gloves
and un-
screw the clamping nut
2
from the grinder spindle
5
.
Note:
The grinder spindle
5
on the left side of the machine has
a left-hand thread.
– Remove the clamping flange
3
and the grinding wheel from
the grinder spindle
5
.
– The new grinding wheel is mounted in reverse order. Place
the cover
1
firmly onto the housing and tighten with the 3
screws.
Dress used and out-of-centre grinding wheels with a whet-
stone (accessory) before continuing to use them.
Dust/Chip Extraction
Dusts from materials such as lead-containing coatings,
some wood types, minerals and metal can be harmful to
one’s health. Touching or breathing-in the dusts can cause
Rated power input P1
W
350
600
Output power P2
– 50 Hz
– 60 Hz
W
W
240
250
420
–
Operating Mode *
S2 (60 min.)
S2 (60 min.)
No-load speed
– 50 Hz
– 60 Hz
min
-1
min
-1
2900
3500
2900
–
Thread of grinder spindle
M 12
M 12
Grinding wheels
– Diameter
– Width
– Mounting bore
– Grain size
mm
mm
mm
150
20
20
24/60
200
25
32
24/60
Mounting flange
– Mounting bore
– min. recess
mm
mm
12.7
1.5
15
1.5
Weight according to EPTA-Procedure 01:2014
kg
10.0
16.5
Protection class
/
I
/
I
Double bench grinder
GBG 6
GBG 8
The values given are valid for a nominal voltage [U] of 230 V. For different voltages and models for specific countries, these values can vary.
* The operating mode S2 (60 min.) designates short-time operation with a maximum operating duration of 60 minutes. After this period, switch off the
machine and allow it to cool down.
OBJ_BUCH-1501-005.book Page 14 Wednesday, August 17, 2016 1:14 PM