Bosch GWS 18 V-LI Spécifications télécharger pdf (Page 22)

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Bosch Power Tools 1 609 929 U65 | (13.3.12)

f Do not touch grinding and cutting discs before they

have cooled down. The discs can become very hot while

working.

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

When the power tool is electrostatically charged, the built-in

electronic control switches it off. To restart the power tool,

press the On/Off switch 2 again.

Rough Grinding

f Never use a cutting disc for roughing.

The best roughing results are achieved when setting the ma-

chine at an angle of 30° to 40°. Move the machine back and

forth with moderate pressure. In this manner, the workpiece

will not become too hot, does not discolour and no grooves

are formed.

Flap Disc

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

can be worked.

Flap discs have a considerably higher service life, lower noise

levels and lower sanding temperatures than conventional

sanding sheets.

Cutting Metal

f For cutting with bonded abrasives, always use the pro-

tection guard for cutting 15.

When cutting, work with moderate feed, adapted to the mate-

rial being cut. Do not exert pressure onto the cutting disc, tilt

or oscillate the machine.

Do not reduce the speed of running down cutting discs by

applying sideward pressure.

The machine must al-

ways work in an up-

grinding motion. Other-

wise, the danger exists

of it being pushed un-

controlled out of the

cut.

When cutting profiles

and square bar, it is best

to start at the smallest

cross section.

Cutting Stone

f Provide for sufficient dust extraction when cutting

stone.

f Wear a dust respirator.

f The machine may be used only for dry cutting/grinding.

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

When using the cutting guide with dust extraction protection

guard 25, the vacuum cleaner must be approved for vacuum-

ing masonry dust. Suitable vacuum cleaners are available

from Bosch.

Switch on the machine

and place the front part

of the cutting guide on

the workpiece. Slide the

machine with moderate

feed, adapted to the ma-

terial to be worked.

For cutting expecially hard material, e. g., concrete with high

pebble content, the diamond cutting disc can overheat and

become damaged as a result. This is clearly indicated by cir-

cular sparking, rotating with the diamond cutting disc.

In this case, interrupt the cutting process and allow the dia-

mond cutting disc to cool by running the machine for a short

time at maximum speed with no load.

Noticeable decreasing work progress and circular sparking

are indications of a diamond cutting disc that has become

dull. Briefly cutting into abrasive material (e. g. lime-sand

brick) can resharpen the disc again.

Information on Structures

Slots in structural walls are subject to the Standard DIN 1053

Part 1, or country-specific regulations.

These regulations are to be observed under all circumstanc-

es. Before beginning work, consult the responsible structural

engineer, architect or the construction supervisor.

Recommendations for Optimal Handling of the Battery

Protect the battery against moisture and water.

Store the battery only within a temperature range between

0 °C and 50 ° C. As an example, do not leave the battery in the

car in summer.

Occasionally clean the venting slots of the battery using a soft,

clean and dry brush.

A significantly reduced working period after charging indi-

cates that the battery is used and must be replaced.

Observe the notes for disposal.

Maintenance and Service

Maintenance and Cleaning

f Before any work on the machine itself (e. g. mainte-

nance, tool change, etc.) as well as during transport

and storage, remove the battery from the power tool.

There is danger of injury when unintentionally actuating

the On/Off switch.

f For safe and proper working, always keep the machine

and ventilation slots clean.

Please store and handle the accessory(-ies) carefully.

If the machine should fail despite the care taken in manufac-

turing and testing procedures, repair should be carried out by

an after-sales service centre for Bosch power tools.

In all correspondence and spare parts order, please always in-

clude the 10-digit article number given on the type plate of

the machine.

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