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5.4
Adjusting the guard
1. Switch the grinder off. → page 9
2. Position the power tool on the grinding wheel.
3. Use the height adjuster to adjust the height.
The guard is at the optimum height when the distance between the slats and the surface is
approximately 1 mm.
4. If you are working along a wall, turn the segment opening of the guard to the desired position.
5. Be sure to close the segment opening when you finish working along the wall.
5.5
Selecting the gear
CAUTION
Risk of injury and damage. If speed is too high, segments of the grinding accessory can come loose.
▶ Use only gears 1 and 2 for fine grinding.
1. Use the gear selector switch to select a gear to suit the accessory tool you are going to use and the
hardness of the material to be worked.
You can select a gear only when the power tool is connected to the electricity supply.
2. Use 1st gear 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.
3. Use 5th gear to apply the full power of the tools when grinding hard mineral materials such as concrete,
floor screeding or natural stone.
6
Types of work
6.1
Switching on
CAUTION
Risk of injury. Inadequately secured accessory tools can work loose.
▶ Before each use, always check that the accessory tool is secure.
1. Connect the grinder to an industrial vacuum cleaner.
2. Lift the power tool clear of the work surface.
3. Press and hold down the on / off switch.
▶ The status LED of the locking button flashes.
4. Press the locking button to switch on the grinder in continuous-operation mode.
The locking button has to be pressed within one second.
6.2
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.
▶ Hold the power tool just clear of the surface you are going to work on and allow it to run for at least 1
minute without load.
6.3
Sanding
1. Select a gear. → page 8
2. Switch the grinder on. → page 8
3. Bring the power tool with the accessory tool into contact with the work surface and keep the tool moving
with a steady back-and-forth action.
8
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