Hilti DPC 20 Handbuch Seite 24

2. Swing the side handle forward or back to the desired position.
3. Secure the side handle by turning the securing screw clockwise.
5.1.4 Fitting a diamond cup wheel
1. Fit the clamping flange onto the spindle with the O-shaped depression facing the tool, so that the
clamping flange engages (keyed fit).
2. Fit the grinding disc onto the centering collar on the clamping flange.
3. Screw on the clamping nut in a clockwise direction and then use the wrench to tighten it against the
resistance of the motor/gearing.
5.1.5 Removing the diamond cup wheel
1. Press and hold down the arbor lockbutton.
2. Release the clamping nut by gripping it with the wrench and turning the nut counter-clockwise.
3. Remove the clamping nut.
4. Release the arbor lockbutton and remove the diamond cup wheel.
5.2 Types of work
5.2.1 Setting the speed of the diamond cup wheel
1. Use speed I for better dust control when grinding off soft mineral materials, such as paint from cement
rendering, and to make the power tool easier to guide when grinding off coatings from soft materials.
2. Use speed II to apply the full power of the tool when grinding hard mineral materials such as concrete,
floor screeding or natural stone.
5.2.2 Switching on
1. Connect the grinder to an industrial vacuum cleaner.
2. Plug the grinder's supply cord plug into the power outlet of the DPC 20.
3. Plug the DPC 20 into the power outlet of the electricity supply.
◁ The LED lights green.
4. Lift the power tool clear of the work surface.
5. Push the on/off switch forward to the on position (I).
◁ The on/off switch engages in the on position (I).
5.2.3 Trying out after fitting a new diamond cup wheel
CAUTION
Risk of injury. Damaged diamond cup wheels can come loose.
▶ Do not use a diamond cup wheel if it vibrates; protect the cup wheel against impact, shock loading
and grease.
▶ Allow the power tool to run for at least 1 minute without load.
5.2.4 Grinding
1. Always keep the grinder close to the work surface.
2. Move the device back and forth.
3. Apply moderate pressure and do not dig the tool into the material.
5.2.5 Switching off
1. Press the on/off switch.
◁ The on/off switch goes to the off position (0) when released.
2. Disconnect the supply cord plug from the power outlet.
3. If an industrial vacuum cleaner was in use, disconnect the hose connection between the device and the
industrial vacuum cleaner.
6 Care of the product
▶ Keep the grinder, especially its grip surfaces, clean and free from oil and grease. Do not use cleaning
agents containing silicone.
20 English
Printed: 28.11.2017 | Doc-Nr: PUB / 5069653 / 000 / 04