Bosch Professional GWS 800 Manual de instrucciones original - Página 11

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The permissible speed [min
-1
] 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
6
100
–
70
30
Rotating the Machine Head
Pull the plug out of the socket before carrying out any
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work on the power tool.
The machine head can be rotated in
90° increments. In this way, the on/off
switch can be brought into a more fa-
vourable handling position for particu-
lar applications, e.g. for left-handed
tool users.
Completely unscrew the four screws.
Rotate the machine head carefully,
without removing it from the housing, into the new posi-
tion. Screw in and retighten the four screws.
Dust/Chip Extraction
The dust from materials such as lead paint, some types of
wood, minerals and metal can be harmful to human health.
Touching or breathing in this dust can trigger allergic reac-
tions and/or cause respiratory illnesses in the user or in
people in the near vicinity.
Certain dusts, such as oak or beech dust, are classified as
carcinogenic, especially in conjunction with wood treatment
additives (chromate, wood preservative). Materials contain-
ing asbestos may only be machined by specialists.
– Use a dust extraction system that is suitable for the ma-
terial wherever possible.
– Provide good ventilation at the workplace.
– It is advisable to wear a P2 filter class breathing mask.
The regulations on the material being machined that apply in
the country of use must be observed.
Avoid dust accumulation at the workplace. Dust can
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easily ignite.
Bosch Power Tools
[mm]
d
[min
-1
]
[m/s]
16.0
11,000
80
–
11,000
80
M 10
11,000
45

Operation

Start-Up
Pay attention to the mains voltage. The voltage of the
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power source must match the voltage specified on the
rating plate of the power tool. Power tools marked
with 230 V can also be operated with 220 V.
Products that are only sold in AUS and NZ: Use a resid-
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ual current device (RCD) with a nominal residual current
of 30 mA or less.
When operating the power tool using a mobile generator that
does not have sufficient reserve capacity or an adequate
voltage control system with inrush current boost converter,
loss of performance or atypical behaviour may occur upon
switch-on.
Please check the suitability of the power generator you are
using, particularly with regard to the mains voltage and fre-
quency.
Switching on/off
To start the power tool, push the on/off switch (2) to the
right.
To switch off the power tool, push the on/off switch (2) to
the left.
Always check abrasive tools before using them. The
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abrasive tool must be fitted properly and be able to
move freely. Carry out a test run for at least one
minute with no load. Do not use abrasive tools that are
damaged, run untrue or vibrate during use. Damaged
abrasive tools can burst apart and cause injuries.
Working Advice
Pull the plug out of the socket before carrying out any
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work on the power tool.
Exercise caution when cutting slots in structural walls;
u
see the "Information on structural design" section.
Clamp the workpiece if it is not secure under its own
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weight.
Do not load the power tool so heavily that it comes to a
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stop.
If the power tool has been subjected to a heavy load,
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continue to run it at no-load for several minutes to
cool down the accessory.
Do not use the power tool with a cut-off stand.
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Do not touch grinding and cutting discs until they have
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cooled down. The discs can become very hot while work-
ing.
Rough grinding
Never use cutting discs for rough grinding.
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The best rough grinding results are achieved with a set angle
of 30° to 40°. Move the power tool back and forth with mod-
erate pressure. This will ensure that the workpiece does not
become too hot or discolour and that grooves are not
formed.
English | 11
1 609 92A 7C2 | (11.08.2022)