Bedienungsanleitung Bosch GWX 17-125 (Seite 25 von 347) (Alle Sprachen)

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To restart the tool, set the on/off switch (4) to the off posi-

tion and then switch the power tool on again.

Starting current limitation

The electronic starting current limitation feature restricts the

power of the power tool when it is switched on and enables

operation using a 16 A fuse.

Note: If the power tool runs at full speed immediately after

being switched on, this means that the starting current limit-

ation and restarting protection mechanisms have failed. The

power tool must be sent to the after-sales service immedi-

ately; see the "After-Sales Service and Application Service"

section for addresses.

Constant Electronic control

The Constant Electronic keeps the speed at no load and un-

der load virtually consistent, guaranteeing uniform perform-

ance.

Speed preselection (GWX ... S/T)

You can preselect the required speed using the thumbwheel

for speed preselection (5), even during operation. The re-

quired speed depends on the material and the working con-

ditions; it can be ascertained through practical tests.

Thumbwheel pos-

ition No-load speed

[min-1]No-load speed

[min-1]

GWX 13-125 S/

17-125 S/

19-125 S

GWX 17-125 T

1 2800 2800

2 4500 4100

3 6300 5400

4 8200 6700

5 9800 8000

6 11,500 9300

uThe rated speed of the accessory must be at least

equal to the maximum speed marked on the power

tool. Accessories running faster than their rated speed

can break and fly apart.

Working Advice

uPull the plug out of the socket before carrying out any

work on the power tool.

uExercise caution when cutting slots in structural walls;

see the "Information on structural design" section.

uClamp the workpiece if it is not secure under its own

weight.

uDo not load the power tool so heavily that it comes to a

stop.

uIf the power tool has been subjected to a heavy load,

continue to run it at no-load for several minutes to

cool down the accessory.

uDo not use the power tool with a cut-off stand.

uDo not touch grinding and cutting discs until they have

cooled down. The discs can become very hot while work-

ing.

Rough grinding

uNever use cutting discs for rough grinding.

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.

Flap Disc

With the flap disc (accessory), curved surfaces and profiles

can be worked. Flap discs have a considerably higher ser-

vice life, lower noise levels and lower sanding temperatures

than conventional sanding sheets.

Cutting Metal

uAlways use the protective guard for cutting (9) when

cutting bonded abrasives.

When carrying out abrasive cutting, use a moderate feed

that is suited to the material being machined. Do not exert

pressure on the cutting disc and do not tilt or swing the

power tool.

Do not attempt to reduce the speed of a cutting disc coming

to a stop by applying pressure from the side.

The power tool must always

work in an up-grinding mo-

tion. Otherwise, there is a

risk that it will be pushed

uncontrolled out of the cut.

For best results when cut-

ting profiles and rectangular

tubing, start at the smallest

cross section.

Cutting stone

uProvide sufficient dust extraction when cutting stone.

uWear a dust mask.

uThe power tool may be used only for dry cutting/grind-

ing.

For best results when cutting stone, use a diamond cutting

disc.

When using the extraction guard for cutting with a guide

block (18), the vacuum cleaner must be approved for vacu-

uming stone dust. Suitable vacuum cleaners are available

from Bosch.

Switch on the power tool

and position it with the

front part of the guide block

on the workpiece. Move the

power tool with a moderate

feed motion that is suited to

the material being ma-

chined.

When cutting especially

hard materials such as con-

crete with a high pebble content, the diamond cutting disc

can overheat and become damaged as a result. This is

Bosch Power Tools 1 609 92A 7VN | (31.05.2022)

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