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26 | English
Restart protection
The restart protection feature prevents the
power tool from uncontrolled starting after the
power supply to it has been interrupted.
RESTART
PROTECTION
To restart the tool, set the on/off switch (5) to
the off position and then switch the power tool
on again.
Soft start
The electronic soft start limits the torque when the power
tool is switched on and enables a smooth start-up.
Speed preselection
(GWS 18-125 SL / GWS 18-125 SPL)
You can preselect the required speed using the speed preselection thumbwheel (3), even during operation. The information in
the table below describes the recommended values.
Material
Application
Metal
Removing paint
Metal
Brushing, removing rust
Stainless steel
Grinding
Metal
Rough grinding
Metal
Cutting
Stone
Cutting
The rated speed of the accessory must be at least
u
equal to the maximum speed marked on the power
Level
GWS 18-125 ...
-1
Speed preselection
[min
]
1
2800
2
4500
3
6300
4
8200
5
9800
6
12,000
The values specified for speed levels are guide values.
Assembly
Pull the plug out of the socket before carrying out any
u
work on the power tool.
Fitting Protective Equipment
Pull the plug out of the socket before carrying out any
u
work on the power tool.
Note: If the grinding disc breaks during operation or the
holding fixtures on the protective guard/power tool become
damaged, the power tool must be sent to the after-sales ser-
vice immediately; see the "After-Sales Service and Applica-
tion Service" section for addresses.
1 609 92A 76D | (13.05.2024)
Note: If the power tool runs at full speed immediately after
being switched on, this means that the soft start and restart
protection mechanisms have failed. The power tool must be
sent to the after-sales service immediately; see the "After-
Sales Service and Application Service" section for ad-
dresses.
Constant Electronic control
The Constant Electronic keeps the speed at no load and un-
der load virtually consistent, guaranteeing uniform perform-
ance.
Application tool
Sanding sheet
Cup brush, abrasive disc
Grinding disc/fibre disc
Grinding disc
Cutting disc
Diamond cutting disc
tool. Accessories running faster than their rated speed
can break and fly apart.
GWS 18-150 ...
-1
[min
]
2800
4100
5400
6700
8000
10,000
Protective guard for grinding
Place the protective guard (10) onto
the holder on the power tool until the
coding cams of the protective guard
are aligned with the holder. When do-
ing so, press and hold the unlocking
lever (1).
Press the protective guard (10) onto
the spindle collar until the shoulder of
the protective guard is sitting on the
flange of the power tool and rotate the
protective guard until it audibly clicks
into place.
Adjust the position of the protective guard (10) to meet the
requirements of the operation. To do this, push the unlock-
Thumbwheel position
2–3
3
4–6
6
6
6
GWS 18-125 ... Inox
-1
[min
]
2200
3400
4600
5700
6900
8100
Bosch Power Tools
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