Bosch GWS 24-230 JBX Professional Manual Original página 29

OBJ_BUCH-769-005.book Page 30 Wednesday, July 15, 2009 11:24 AM
30 | English
Cup Brush/Disc Brush
For operations with the cup brush/wheel
brush, always mount the hand guard 15.
See graphics page for the mounting sequence.
The cup brush/disc brush must be able to be
screwed onto the grinder spindle until it rests
firmly against the grinder spindle flange at the
end of the grinder spindle threads. Tighten the
cup brush/disc brush with an open-end span-
ner.
Note for GWS 24-230 JBX: When loosening the
grinding tool, an increased expenditure of force
must be taken into account.
Approved Grinding Tools
All grinding tools mentioned in these operating
instructions can be used.
The permissible speed [min
ential speed [m/s] of the grinding tools used
must at least match the values given in the table.
Therefore, observe the permissible rotation-
al/circumferential speed on the label of the
grinding tool.
max.
[mm] [mm]
D b
d
180 8 22.2
230 8 22.2
D
b
180
D
–
230
d
100 30 M 14
b
D
1 609 929 R45 | (15.7.09)
Rotating the Main Handle
The main handle 24 can be rotated with respect
to the machine housing toward the left or right
-1
] or the circumfer-
in steps of 90°. In this manner, the On/Off
switch can be brought into a more convenient
position for special working situations, e.g., for
cutting operations using the cutting guide with
dust extraction protection guard 21 or for left-
handed persons.
Press the handle unlocking button 25 in the di-
rection of the arrow and at the same time turn
the main handle 24 to the requested position
until it latches.
-1
d [min ] [m/s]
Dust/Chip Extraction
8500 80
6500 80
8500 80
–
6500 80
8500 45
Before any work on the machine itself, pull
the mains plug.
Dusts from materials such as lead-containing
coatings, some wood types, minerals and
metal can be harmful to one's health. Touch-
ing or breathing-in the dusts can cause aller-
gic reactions and/or lead to respiratory infec-
tions of the user or bystanders.
Certain dusts, such as oak or beech dust, are
considered as carcinogenic, especially in con-
nection with wood-treatment additives (chro-
mate, wood preservative). Materials containing
asbestos may only be worked by specialists.
– Use dust extraction whenever possible.
– Provide for good ventilation of the work-
ing place.
– It is recommended to wear a P2 filter-
class respirator.
Observe the relevant regulations in your
country for the materials to be worked.
24
25
Bosch Power Tools