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Preparations At The Workplace; Positioning The Sanding Pad; Types Of Work - Hilti DWS 225 Manual Del Usuario

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When working outdoors, use only extension cords that are approved and correspondingly marked for
this application.
Information on recommended minimum conductor cross-sections and cable lengths is accessible via
a link, in the form of a QR code, at the end of this document.
6

Preparations at the workplace

CAUTION
Risk of injury! Inadvertent starting of the product.
▶ Unplug the supply cord before making adjustments to the power tool or before changing accessories.
Observe the safety instructions and warnings in this documentation and on the product.
6.1

Positioning the sanding pad

Power tool, sanding pad and backing pad together form a system. Be sure to use the correct
combination and settings for the application.
The choice of sanding pad (grit size), speed and contact pressure determines the stock removal rate
and the finish.
1. Unplug the supply cord from the power outlet.
2. Select a suitable sanding pad and secure it to the backing pad. Make sure that the sanding pad is
centered and securely seated against the backing pad.
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Types of work

WARNING
Damaged power cords are a safety hazard! If the supply cord or extension cord is damaged while work
is in progress, immediately disconnect the device and the cord from the electricity supply. Do not touch the
damaged part of the cord.
▶ Regularly check all supply cords. Replace defective extension cords. Have damaged power cords
replaced by a qualified specialist.
Use of a ground fault circuit interrupter (residual current device, RCD) with a maximum tripping current of
30 mA is recommended.
7.1
Switching on
▶ Press the on/off button.
▶ The multi-purpose LED shows green.
Warning! The power tool develops torque as soon as the motor starts.
If possible, always use the power tool in combination with an industrial vacuum cleaner.
7.2
Sanding
1. Set the desired speed. To do this, use the "Increase/reduce speed" buttons as appropriate.
▶ Speed can be adjusted in the range from 4000 to 8000 rpm. The LED array indicates the set speed.
2. Position the power tool with the whole of its sanding face on the surface to be sanded.
3. Press the start/stop button.
▶ The sanding operation starts
4. Applying moderate pressure, move the power tool steadily over the surface to be sanded.
7.3
Ending the sanding operation
1. Lift the power tool clear of the surface being sanded before you end the sanding operation.
▶ Otherwise, the excessive speed could cause the abrasive to leave marks in the surface being sanded.
2. Press the start/stop button.
6
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