Bosch GWS 18-125 L [24/364] Working advice
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Bosch GWS 18-125 L [24/364] Working advice

Bosch GWS 18-125 L [24/364] Working advice
English | 25
Bosch Power Tools 1 609 92A 3ZX | (7.11.17)
Switching On and Off
To save energy, only switch the power tool on when using it.
To start the power tool, press the On/Off switch 4 forward
and then down.
To lock-on the pressed On/Off switch 4, push the On/Off
switch 4 further forward.
To switch off the power tool, release the On/Off switch 4, or
when it is locked, briefly press the On/Off switch 4 and then
release it.
Switch Version without Lock-on (country-specific):
To start the power tool, press the On/Off switch 4 forward
and then down.
To switch off the machine, release the On/Off switch 4.
Check grinding tools before using. The grinding tool
must be mounted properly and be able to move freely.
Carry out a test run for at least one minute with no load.
Do not use damaged, out-of-centre or vibrating grind-
ing tools. Damaged grinding tools can burst and cause in-
juries.
Kickback stop
In case of a sudden drop in speed, e.g.,
caused by a jammed disc while cutting, the
power supply to the motor is electronically
interrupted.
To restart the operation, switch the On/Off switch 4 to the
Off position and start the machine again.
Restarting Protection
The restarting protection feature prevents uncontrolled re-
starting of the machine after an interruption in the power sup-
ply.
To restart the operation, switch the On/Off switch 4 to the
Off position and start the machine again.
Reduced starting current
The electronic reduced starting current limits the power con-
sumption when switching the tool on and enables operation
from a 13 ampere fuse.
Note: When the machine runs with full speed after switching
on, the reduced starting current, the restarting protection
and the kickback stop features have failed. The power tool
must promptly be sent to an after-sales service agent for
maintenance. For addresses, see Section „After-sales Service
and Application Service“.
Constant Electronic Control
Constant electronic control holds the speed constant at no-
load and under load, and ensures uniform working perfor-
mance.
Speed preselection (GWS 18-125 SL/GWS 18-125 SPL)
The required speed can be preselected with the thumbwheel 3 (also while running).
The data in the following table are recommended values.
The values specified for speed levels are guide values.
The rated speed of the accessory must be at least equal
to the maximum speed marked on the power tool. Ac-
cessories running faster than their rated speed can break
and fly apart.
Working Advice
Exercise caution when cutting slots in structural walls;
see Section “Information on Structures”.
Clamp the workpiece if it does not remain stationary
due to its own weight.
Do not strain the machine so heavily that it comes to a
standstill.
After heavily straining the power tool, continue to run
it at no-load for several minutes to cool down the acces-
sory.
Do not touch grinding and cutting discs before they
have cooled down. The discs can become very hot while
working.
Do not use the power tool with a cut-off stand.
Material Application Accessory Thumbwheel 3
Metal Removing paint Sanding disc 2 – 3
Wood, metal Brushing, rust removal Cup brush, sanding disc 3
Metal, masonry Grinding Grinding disc 4 – 6
Metal Rough grinding Grinding disc 6
Masonry, stone Cutting Cutting disc and cutting guide
(Cutting masonry/stone is permitted only with use of
the cutting guide)
6
Metal Cutting Cutting disc 6
Speed prese-
lection level
GWS 18-125 ...
[min
-1
]
GWS 18-150 ...
[min
-1
]
1
2800 2800
2
4500 4100
3
6300 5400
4
8200 6700
5
9800 8000
6
12000 10000
OBJ_BUCH-3330-001.book Page 25 Tuesday, November 7, 2017 2:23 PM

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