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OBJ_BUCH-1797-004.book Page 21 Friday, October 21, 2016 1:54 PM
Lock the grinder spindle with
the spindle lock button 1. To
27
tighten the quick-clamping
nut, firmly turn the grinding
disc in clockwise direction.
A properly attached, undam-
aged quick-clamping nut can
be loosened by hand when
turning the knurled ring in an-
ticlockwise direction.
Never loosen a tight quick-
clamping nut with pliers. Al-
ways use the two-pin span-
ner. Insert the two-pin span-
ner as shown in the
illustration.
Approved Grinding Tools
All grinding tools mentioned in these operating instructions
can be used.
-1
The permissible speed [min
] or the circumferential speed
[m/s] of the grinding tools used must at least match the values
given in the table.
Therefore, observe the permissible rotational/circumferen-
tial speed on the label of the grinding tool.
max.
[mm]
[mm]
D
b
180
8
22.2
230
8
22.2
D
180
–
230
d
100
30
M 14
b
D
Rotating the Machine Head
Before any work on the machine itself, pull the mains
plug.
Bosch Power Tools
tion protection guard 24 or for left-handed persons.
Completely unscrew the four screws. Rotate the machine
head carefully, without removing it from the housing, to the
new position. Screw in and tighten the four screws again.
Dust/Chip Extraction
Dust from materials such as lead-containing coatings,
Prevent dust accumulation at the workplace. Dust can
Operation
Starting Operation
Observe correct mains voltage! The voltage of the pow-
-1
d
[min
]
[m/s]
8500
80
6500
80
When operating the machine with power from mobile genera-
tors that do not have sufficient reserve capacity or are not
equipped with suitable voltage control with starting current
8500
80
–
amplification, loss of performance or untypical behavior can
6500
80
occur upon switching on.
Please observe the suitability of the power generator being
used, particularly with regard to the mains voltage and fre-
8500
45
quency.
Switching On and Off
To start the power tool, press the On/Off switch 2 forward
and then down.
To lock-on the pressed On/Off switch 2, push the On/Off
switch 2 further forward.
The machine head can be
rotated with respect to
the machine housing in
90° steps. In this manner,
the On/Off switch can be
brought into a more con-
venient position for spe-
cial working situations,
e. g., for cutting opera-
tions using the cutting
guide with dust extrac-
some wood types, minerals and metal can be harmful to
one's health. Touching or breathing-in the dust can cause
allergic reactions and/or lead to respiratory infections of
the user or bystanders.
Certain dust, such as oak or beech dust, is considered car-
cinogenic, especially in connection with wood-treatment
additives (chromate, wood preservative). Materials con-
taining asbestos may only be worked by specialists.
– As far as possible, use a dust extraction system suitable
for the material.
– Provide for good ventilation of the working place.
– It is recommended to wear a P2 filter-class respirator.
Observe the relevant regulations in your country for the
materials to be worked.
easily ignite.
er source must agree with the voltage specified on the
nameplate of the machine. Power tools marked with
230 V can also be operated with 220 V.
1 609 92A 2C6 | (21.10.16)
English | 21
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