Setting The Slope Manually; Using The Slope Adapter To Set The Slope; Working With The Pra 2 Remote Control Unit - Hilti PR 3-HVSG A12 Manual De Instrucciones Original

6.4 Inclination
For optimum results, check that the PR 3-HVSG A12 is correctly aligned. The best way to do this is by
selecting 2 points, each at a distance of 5 m (16 ft), one to the left and one to the right of the tool, but parallel
to the tool axis. Mark the height of the horizontal plane and then, after setting the slope, mark the heights.
The tool is aligned optimally only when these heights are identical at both points.
6.4.1

Setting the slope manually

1. Set up the tool in a suitable position for the application, e.g. on a tripod.
2. Position the rotating laser either at the upper edge or lower edge of the inclined plane.
3. Position yourself behind the tool, facing the control panel.
4. With the aid of the target notch on the head of the tool, bring the tool roughly into alignment with the
inclined plane (parallel to the plane).
5. Switch the tool on and then press the inclined plane mode button. The inclined plane mode LED then
lights. The laser beam switches on as soon as the tool has leveled itself.
6. To incline the plane of rotation, press the + or − button on the remote control unit. Alternatively, the slope
adapter (accessory) can also be used.
When the angle of inclination is set manually, the rotating laser levels the laser plane once and
then fixes it once. Note that this rotating laser does not correct the sloped laser plane for possible
deviation occurring due to a change in ambient conditions and/or shift of the mounting. Vibration,
changes in temperature or other influences that may occur during the course of the day may affect
the position of the laser plane.
7. To return to standard operating mode, the tool must be switched off and then restarted.
6.4.2

Using the slope adapter to set the slope

1. Mount a suitable slope adapter on a tripod.
2. Position the tripod either at the upper edge or lower edge of the inclined plane.
3. Mount the rotating laser on the slope adapter and use the target notch on the head of the PR 3-HVSG A12
to set the tool complete with the slope adapter parallel to the inclined plane.
4. Make sure that the slope adapter is in the zero position (0°).
The control panel of the PR 3-HVSG A12 has to face away from the direction of inclination.
5. Switch the tool on.
6. Press the inclined plane mode button. The inclined plane mode LED then lights on the control panel
of the rotating laser. The tool then begins automatic self-leveling. The laser switches on and begins to
rotate as soon as this is complete.
7. Set the slope adapter to the desired angle of inclination.
When the angle of inclination is set manually, the rotating laser levels the laser plane once and
then fixes it once. Note that this rotating laser does not correct the sloped laser plane for possible
deviation occurring due to a change in ambient conditions and/or shift of the mounting. Vibration,
changes in temperature or other influences that may occur during the course of the day may affect
the position of the laser plane.
6.5

Working with the PRA 2 remote control unit

The PRA 2 remote control unit makes working with the rotating laser more convenient and is required in
order to make use of certain functions.
Selecting the speed of rotation
After switching on, the rotating laser always begins to operate at a speed of 300 revolutions per minute. A
slow speed of rotation can make the laser beam appear much brighter. A high speed of rotation makes the
laser beam appear more stable. The speed of rotation can be adjusted by pressing the rotation speed button
several times.
Selecting the line function
The area covered by the laser beam can be reduced to a line by pressing the line function button on the remote
control unit. The laser beam then appears considerably brighter. The length of the line can be adjusted by
pressing the line function button several times. The length of the line depends on the distance of the laser tool
from the wall or surface. The laser line can be shifted as desired by pressing the direction buttons (right/left).
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