Milwaukee HEAVY DUTY M12 3PL Notice Originale page 11

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CHECKING THE HEIGHT ACCURACY OF THE HORIZONTAL PLANE (UP AND DOWN DEVIATION)
1. Set up the laser on a tripod or on a fl at surface
between two walls A and B, approximately 5 meters apart.
2. Position the laser level approximately 0.5 meter from wall A.
3. Switch ON the self-leveling mode and press the button to project the horizontal and the
vertical planes towards wall A.
4. Mark the center of the cross planes on the wall as a1.
A
a1
Turn the laser 180° towards wall B and mark the center of the cross planes as b1 on the
wall.
180°
a1
ENGLISH
5. Move the laser level towards wall B and position it approximately 0.5 meter from wall B.
6. Mark on wall B the center of the cross planes as b2.
A
a1
B
7. Turn the laser 180° towards wall A, and mark on the wall the center of the cross planes
as a2.
A
a2
a1
b1
8. Measure the distances:
Δa= |a2-a1|
Δb= |b1-b2|
9. The diff erence | Δa – Δb| should be no more than 2 mm.
B
b2
b1
B
180°
b2
b1
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