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Checking Laser Accuracy
The laser tools are sealed and calibrated at the factory.
It is recommended that you perform an accuracy check
prior to using the laser for the first time (in case the
laser was exposed to extreme temperatures) and then
regularly to ensure the accuracy of your work. When
performing any of the accuracy checks listed in this
manual, follow these guidelines:
• Use the largest area/distance possible, closest to the
operating distance. The greater the area/distance, the
easier to measure the accuracy of the laser.
• Place the laser on a smooth, flat, stable surface that
is level in both directions.
• Mark the center of the laser beam.
Horizontal Beam - Scan Direction
Checking the horizontal scan calibration of the laser
requires two walls at least 30' (9m) apart. It is important
to conduct a calibration check using a distance no
shorter than the distance of the applications for which
the tool will be used.
1.
Place the back of the laser against a wall and facing
straight ahead toward the opposing wall (Figure
2.
Move the Power/Transport Lock switch to the right
(Figure
) to turn the laser ON in self-leveling
A 3
mode and display the horizontal and vertical beams.
3.
Turn the laser 45º counter-clockwise so that the
right-most end of the laser line is displayed on the
wall.
4.
Mark
on the center of the beam on the wall.
a
5.
Turn the laser 90º clockwise so that the left-most
end of the laser line is displayed near
).
2
6.
Mark
on the center of the beam on the wall.
b
7.
Measure the vertical distance between
8.
If your measurement is greater than the Allowable
Distance Between
Distance Between Walls in the following table, the
laser must be serviced at an authorized service
center.
Distance
Between Walls
40' (12m)
50' (15m)
Horizontal Beam - Pitch Direction
Checking the horizontal pitch calibration of the
laser requires a single wall at least 30' (9m) long.
It is important to conduct a calibration check using
a distance no shorter than the distance of the
applications for which the tool will be used.
1.
Place the laser against the end of the wall (Figure
).
1
2.
Move the Power/Transport Lock switch to the right
(Figure
mode and display the horizontal and vertical beams.
3.
At least 30' (9m) apart along the laser beam, mark
).
D 1
and
a
4.
Move the laser to the opposite end of the wall
(Figure
5.
Position the laser toward the first end of the same
wall and parallel to the adjacent wall.
6.
Adjust the height of the laser so the center of the
beam is aligned with
7.
Directly above or below
beam (Figure
(Figure
a
D
8.
Measure the distance between
and
.
a
b
and
for the corresponding
a
b
Allowable Distance
Between
30' (9m)
15/32" (12mm)
9/16" (14.4mm)
23/32" (18mm)
) to turn the laser ON in self-leveling
A 3
.
b
).
E 2
.
b
, mark
a
).
E 3
E
and
a
b
E
along the laser
c
and
.
a
c
11
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