Dewalt DW0811 Instruction Manual - Page 2

Horizontal Beam Accuracy, Vertical Beam Accuracy

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1. Place the laser tool on a tripod and close to wall #1 as shown in Fig 1. Turn on both a horizontal and vertical line. Mark the intersection of the points P1. 2. Rotate laser tool 180° and mark point P2 at intersection of the lines on wall #2 3. Move laser tool close to wall #2 and align point P3 at previously marked point P2 4. Rotate laser tool 180° and mark point P4 on wall #1 5. Measure the vertical distance between P1 and P4 to get D3. If the measurement is greater than the values shown below, the laser must be serviced at an authorized service center Distance Between Walls 10' (3 m) 20' (6 m) 30' (10 m) Measurement Between Marks (D3) 1/8" (3 mm) 7/32" (5.5 mm) 5/16" (8 mm) Horizontal Beam Accuracy (See Figure 2) 1. Place laser tool as shown with laser ON. Aim vertical beam towards the first corner or a set reference point. Measure out half of the distance D1 and mark point P1 . 2. Rotate laser tool and align front vertical laser beam with point P1 . Mark point P2 where the horizontal and vertical laser beams cross. 3. Rotate laser tool and aim vertical beam towards the second corner or set reference point. Mark point P3 so that it is vertically in line with points P1 and P2 . 4. Measure the vertical distance D2 between the highest and lowest point. If the measurement is greater than the values shown below, the laser must be serviced at an authorized service center. Distance Between Walls 10' (3 m) 20' (6 m) 30' (10 m) Measurement Between Marks (D3) 1/8" (3 mm) 7/32" (5.5 mm) 5/16" (8 mm) Vertical Beam Accuracy (See Figure 3) 1. Measure the height of a reference point to get distance D1 . Place laser tool as shown with laser ON. Aim vertical beam towards reference point. Mark points P1 , P2 , and P3 as shown. 2. Move laser tool to opposite side of reference point and align the same vertical beam with P2 and P3 . 3. Measure the horizontal distances between P1 and the vertical beam from the 2nd location. If the measurement is greater than the values shown below, the laser must be serviced at an authorized service center. Distance Between Walls 10' (3 m) 20' (6 m) 30' (10 m) Measurement Between Marks (D3) 1/8" (3 mm) 7/32" (5.5 mm) 5/16" (8 mm) D1 D1 180° P2 P1 P1 D2 D2 D1 P2= P3 P1 180° P4 D2 Figure 1 D1 P2= P3 D2 P1 D3 P4 Page 2 a D1 D1 2 P1 D1 2 D1 D1 2 P1 P2 D1 D1 2 P1 P2 P3 D1 2 Figure 2 P1 P2 D2 P3 P1 D1 L P2 P3 2 x L L1 Figure 3 P1 P4 D2 P1 P4 D1 P2 L P3 2 x L L2 fig. 4 fig. 5 B 360º C D fig. 6 E + -+ fig. 7

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Page 2
1.
Place the laser tool on a tripod and close to wall #1 as shown in Fig 1. Turn on both a
horizontal and vertical line. Mark the intersection of the points P
1
.
2.
Rotate laser tool 180° and mark point P
2
at intersection of the lines on wall #2
3.
Move laser tool close to wall #2 and align point P
3
at previously marked point P
2
4.
Rotate laser tool 180° and mark point P
4
on wall #1
5.
Measure the vertical distance between P
1
and P
4
to get D
3
.
If the measurement is greater than the values shown below, the laser must be serviced at an
authorized service center
Distance Between Walls
Measurement Between Marks
(D
3
)
10' (3 m)
1/8" (3 mm)
20' (6 m)
7/32" (5.5 mm)
30' (10 m)
5/16" (8 mm)
Horizontal Beam Accuracy
(See Figure 2)
1.
Place laser tool as shown with laser ON. Aim vertical beam towards the first corner or a
set reference point. Measure out half of the distance D
1
and mark point P
1
.
2.
Rotate laser tool and align front vertical laser beam with point P
1
. Mark point P
2
where the
horizontal and vertical laser beams cross.
3.
Rotate laser tool and aim vertical beam towards the second corner or set reference point.
Mark point P
3
so that it is vertically in line with points P
1
and P
2
.
4.
Measure the vertical distance D
2
between the highest and lowest point.
If the measurement is greater than the values shown below, the laser must be serviced at an
authorized service center.
Distance Between Walls
Measurement Between Marks
(D
3
)
10' (3 m)
1/8" (3 mm)
20' (6 m)
7/32" (5.5 mm)
30' (10 m)
5/16" (8 mm)
Vertical Beam Accuracy
(See Figure 3)
1.
Measure the height of a reference point to get distance D
1
. Place laser tool as shown
with laser ON. Aim vertical beam towards reference point. Mark points P
1
, P
2
, and P
3
as
shown.
2.
Move laser tool to opposite side of reference point and align the same vertical beam with
P
2
and P
3
.
3.
Measure the horizontal distances between P
1
and the vertical beam from the 2nd location.
If the measurement is greater than the values shown below, the laser must be serviced at an
authorized service center.
Distance Between Walls
Measurement Between Marks
(D
3
)
10' (3 m)
1/8" (3 mm)
20' (6 m)
7/32" (5.5 mm)
30' (10 m)
5/16" (8 mm)
Figure 1
D
1
P
1
D
3
D
2
P
1
D
2
P
2
D
1
D
2
D
1
P
1
D
2
P
2
=
P
3
D
1
P
4
P
2
=
P
3
180°
180°
P
1
P
4
Figure 2
Figure 3
P
1
D
1
P
2
P
1
D
1
P
3
P
2
P
2
D
2
P
1
P
3
P
1
D
1
D
1
2
D
1
2
D
1
2
D
1
2
D
1
2
P
1
L
D
1
2 x L
P
2
P
3
D
2
P
1
P
4
L
1
L
2
P
1
L
D
1
2 x L
P
2
P
3
P
4
+
-
+
FIG. 4
A
B
360º
C
D
FIG. 5
E
FIG. 6
FIG. 7