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Bosch GWS 19-125 CI Professional Notice Originale page 27

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If the quick-clamping nut has been at-
tached correctly and is not damaged,
you can loosen it by hand by turning
the knurled ring anticlockwise. If the
quick-clamping nut is stuck, do not
attempt to loosen it with pliers – al-
ways use the two-pin spanner. Posi-
tion the two‑pin spanner as shown in
the figure.
Approved abrasive tools
You can use all the abrasive tools mentioned in these operat-
ing instructions.
-1
The permissible speed [min
] 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]
[mm]
D
b
s
125
7.2
22.2
150
7.2
22.2
125
4.2
22.2
150
4.2
22.2
125
150
75
30
M 14
125
24
M 14
125
19
22.2
150
24
M 14
150
19
22.2
125
M 14
83
M 14
125
6
10
22.2
s
150
6
10
22.2
α
Rotating the machine head (see figure E)
Pull the plug out of the socket before carrying out any
u
work on the power tool.
Bosch Power Tools
[°]
–1
d
α
[min
] [m/s]
11500
80
9700
80
11500
80
9700
80
11500
80
9700
80
11500
80
11500
80
11500
80
9700
80
9700
80
11500
80
11500
80
> 0
11500
80
> 0
9700
80
The machine head can be rotated in 90° increments. In this
way, the on/off switch can be brought into a more favourable
handling position for particular applications, e.g. for left-
handed tool users.
Completely unscrew the 4 screws (➊). Rotate the machine
head carefully, without removing it from the housing, into
the new position (➋). Screw in and retighten the 4
screws (➌).
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
u
easily ignite.
Operation
Do not load the power tool so heavily that it comes to a
u
stop.
Pull the plug out of the socket before carrying out any
u
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
u
weight.
If the power tool has been subjected to a heavy load,
u
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.
u
Do not touch grinding and cutting discs until they have
u
cooled down. The discs can become very hot while work-
ing.
Working advice
Rough grinding
Always use the protective guard for grinding (8) when
u
rough grinding with bonded abrasives.
Never use cutting discs for rough grinding.
u
When rough grinding, the protective guard for
u
cutting (7) or the protective guard for grinding (8)
with a fitted cover for cutting (27) can impact the
workpiece and lead to a loss of control.
English | 27
1 609 92A 5RE | (16.01.2024)

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