Checking The Accuracy; Checking The Horizontal Line - Makita SK312GD Instruction Manual

CHECKING THE ACCURACY

■ Should the line laser exceed the permissible difference during the
checking, contact the store of purchase or a Makita authorized service
center.

1. Checking the horizontal line

B
1. Place the line laser near the center of a room with approx. 5 m walls.
2. Adjust the line laser so that the bubble in the level comes to the center of the red
circle.
3. Mark A at the position of the horizontal laser line on the wall.
4. Turn the line laser by 180°and mark B at the position of the horizontal laser line.
B'
B
5. Move the line laser to the position 1m away from the wall and adjust the bubble in
the level.
6. Mark B' at the position of the horizontal laser line .
7. Turn the line laser by 180°and mark A' at the position of the horizontal laser line.
The result is normal if the difference between A-A' and B-B' is within 1 mm.
8. Rotate the line laser horizontally and measure the maximum difference in the
horizontal laser line with A'.
The result is normal if the deviation at point A' is within 1 mm.
A
5m
A
A
A'
21 ENGLISH