Bosch GWS Professional 18-125 PL Manual Original página 40

OBJ_BUCH-3475-001.book Page 40 Wednesday, December 6, 2017 4:47 PM
40 | English
Switching On and Off
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 ma-
chine again.
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.
Material Application
Metal Removing paint
Wood, metal Brushing, rust removal
Metal, masonry Grinding
Metal Rough grinding
Masonry, stone Cutting
Metal Cutting
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.
1 609 92A 3ZZ | (6.12.17)
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.
Accessory
Sanding disc
Cup brush, sanding disc
Grinding disc
Grinding disc
Cutting disc and cutting guide
(Cutting masonry/stone is permitted only with use of
the cutting guide)
Cutting disc
Speed prese-
lection level
1
2
3
4
5
6
Thumbwheel 3
2 – 3
3
4 – 6
6
6
6
GWS 18-125 ... GWS 18-150 ...
-1 -1
[min ] [min ]
2800 2800
4500 4100
6300 5400
8200 6700
9800 8000
12000 10000
Bosch Power Tools