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E
User Manual
Maintenance
•
To maintain the accuracy of your work, check the laser often
to make sure it is properly calibrated. See Field Calibration
Check.
•
Calibration checks and other maintenance repairs may be
performed by DEWALT service centers.
•
When not in use, store the laser in the kit box provided. Do
not store your laser at temperatures below -20 ˚C (-5 ˚F ) or
above 60 ˚C (140 ˚F).
•
Do not store your laser in the kit box if the laser is wet.
The laser should be dried first with a soft dry cloth prior to
storage.
Cleaning
Exterior plastic parts may be cleaned with a damp cloth.
Although these parts are solvent resistant, NEVER use
solvents. Use a soft, dry cloth to remove moisture from the tool
before storage.
Accuracy Check and
Calibration
Checking Accuracy –
Horizontal Beam, Pitch Direction (See figure
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.
Attach the laser to one end of a wall using its pivot
bracket.
2.
Turn on the laser's horizontal beam and pivot the laser
toward the opposite end of the wall and approximately
parallel to the adjacent wall.
3.
Mark the center of the beam at two locations (
least 30' (9m) apart.
4.
Reposition the laser to the opposite end of the wall.
10
5.
Turn on the laser's horizontal beam and pivot the laser
back toward the first end of the wall and approximately
parallel to the adjacent wall.
6.
Adjust the height of the laser so that the center of the
beam is aligned with the nearest mark
7.
Mark the center of the beam
the farthest mark
8.
Measure the distance between these two marks
c
e
(
,
). If the measurement is greater than the values
shown below, the laser must be serviced at an authorized
service center.
Distance Between Walls
4.5 m (15')
9 m (30')
12 m (40')
15 m (50')
Checking Accuracy –
Vertical Beam (See Figure
Checking the vertical (plumb) calibration of the laser can be
most accurately done when there is a substantial amount of
vertical height available, ideally 30' (9m), with one person on
the floor positioning the laser and another person near a ceiling
to mark the position of the beam. 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 on the floor and turn on both vertical
)
7
beams.
2.
Mark two positions where the beams cross on the floor
g
f
(
,
) and also on the ceiling
center of the beams' thickness.
3.
Rotate the laser 180 degrees, and reposition it close to the
second mark
original marks (
4.
Mark the position where the beams cross on the
j
ceiling
.
5.
Measure the distance between the two ceiling marks
(
h
,
j
). If the measurement is greater than the values
c
d
shown below, the laser must be serviced at an authorized
,
) at
service center.
d
.
e
directly above or below
c
.
Allowable Distance Between
Marks
3.0 mm (1/8")
6.0 mm (1/4")
8.0 mm (5/16")
10.0 mm (13/32")
)
8
h
. Always mark the
g
so the beam crossing is exactly on the
g
f
,
) on the floor.
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