Bedienungsanleitung Bosch GWS 9-125 S (Seite 22 von 303) (Alle Sprachen)

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22 | English

Material Application Application tool Thumbwheel position

Metal Brushing, removing rust Cup brush, abrasive disc 3

Metal, stone Grinding Grinding disc 4–6

Metal Rough grinding Grinding disc 6

Metal Cutting Cutting disc 6

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 (14) when

cutting with 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 cutting stone, it is best to use a diamond cutting disc.

When cutting especially hard materials such as concrete

with a high pebble content, the diamond cutting disc can

overheat and become damaged as a result. This is clearly in-

dicated by circular sparking, rotating with the diamond cut-

ting disc.

If this happens, stop cutting and allow the diamond cutting

disc to cool down by running the power tool for a short time

at maximum speed with no load.

If work is noticeably slower and circular sparking is present,

this indicates that the diamond cutting disc has become

blunt. You can resharpen the disc by briefly cutting into ab-

rasive material (e.g. lime-sand brick).

Information on structural design

Slots in load-bearing walls are subject to DIN 1053 part 1 or

country-specific regulations. These regulations must be ob-

served under all circumstances. Seek advice from the re-

sponsible structural engineer, architect or construction su-

pervisor before starting work.

Maintenance and Service

Maintenance and Cleaning

uPull the plug out of the socket before carrying out any

work on the power tool.

uTo ensure safe and efficient operation, always keep

the power tool and the ventilation slots clean.

uIn extreme conditions, always use a dust extractor if

possible. Blow out ventilation slots frequently and in-

stall a residual current device (RCD) upstream. When

machining metals, conductive dust can settle inside the

power tool, which can affect its protective insulation.

Store and handle the accessories carefully.

1 609 92A 6KB | (25.06.2021) Bosch Power Tools

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Bosch GWS 9-125 S Seite 22

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