DeWalt DW074LR Instruction Manual page 13

Level Calibration Check (X-axis)
1. Set up a tripod between two walls that are at least 50 feet
apart. The exact location of the tripod is not critical.
2. Mount the laser unit on the tripod so that the X-axis points
directly toward one of the walls.
3. Turn the laser unit on and allow it to self-level.
4. Mark and measure points A and B on the walls as shown
in Figure O.
5. Turn the entire laser unit 180º so the X-axis points directly
toward the opposite wall.
6. Allow the laser unit to self-level, and mark and measure
points AA and BB on the walls as shown in Figure P.
7. Calculate the total error using the equation:
Total Error = (AA – A) – (BB– B)
8. Compare total error to the allowable limits shown in the
following table.
Distance Allowable Error
Between Walls DW074LR
40 ft.
50 ft.
70 ft.
100 ft.
Level Calibration Check (Y-axis)
Repeat the procedure above, but with the laser unit positioned
so the Y-axis is pointed directly toward the walls.
Plumb Error Check (Fig. Q)
1. Using a standard plumb bob as a reference, mark the top
and bottom of a wall. (Be sure to mark the wall and not the
floor and ceiling.)
2. Position the rotary laser securely on the floor approximately
3' (1 m) from the wall.
3. Turn the laser on, and point the dot at the mark on the
bottom of the wall. Then, using the up/down arrows on the
remote control, rotate the dot upwards. If the center of the
dot scans over the mark on the top of the wall, the laser is
properly calibrated.
NOTE: This check should be done with a wall no shorter than
the tallest wall for which this laser will be used.
Using the Laser on a Tripod (Fig.
1. Position the tripod securely and set it to the desired height.
2. Make sure that the top of the tripod is roughly level. The
laser will self-level only if the top of the tripod is within ± 5˚
of level. If the laser is set up too far out of level, it will beep
when it reaches the limit of its leveling range. No damage
will be done to the laser, but it will not operate in an "out of
level" condition.
DW074_DW079 User Manual - NA - TRANSLATED.indd 13
Allowable Error
DW079LR/DW079LG
3/32" 3/64"
1/8" 1/16"
5/32" 3/32"
1/4" 1/8"
)
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3. Secure the laser to the tripod by attaching the tripod
adapter as shown in Figure
20
adapter may be assembled to the bottom for level mode
or to the side for plumb mode. Place the assembly on the
tripod and screw the threaded knob on the tripod into the
female thread on the tripod adapter.
NOTE: Be sure that the tripod you are working with has a
5/8"–11 threaded screw to ensure secure mounting.
4. Turn the laser on and adjust the rotation speed and controls
as desired.
Using the Laser on a Floor (Fig.
The laser level can be positioned directly on the floor for
leveling and plumbing applications such as framing walls.
1. Place the laser on a relatively smooth and level surface
where it will not be disturbed.
2. Position the laser for a level or plumb setting as shown.
3. Turn the laser on and adjust the rotation speed and controls
as desired.
NOTE: The laser will be easier to set up for wall applications if
the rotation speed is set to 0 RPM and if the remote control is
used to line up the laser with control marks. The remote allows
one person to set up the laser.
Using the DW079LR/LG Remote
The remote control allows one person to operate and set up
the laser from a distance. The LED light on the remote control
indicates a signal is being transmitted from the DW079LR/LG
laser unit. You can use all the buttons on the keypad to control
that laser unit.
If your DW079LR/LG laser unit was stamped on or after 2016-
49-NZ, you can use the Remote to completely power OFF the
laser unit.
To completely power OFF a DW079LR/LG laser unit (stamped
on or after 2016-49-NZ) using the Remote keypad, press the
X-Y axis button ( ) and the MODE button (
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to the laser body. The
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)
D
>
2016-49-NZ
) simultaneously.
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5/17/2018 2:05:34 PM