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Chart Installation
Refer to the illustration to determine the measurements and location of the concrete pad.
Outside
Inside
Long Arm
Dimension (A) thru (E) are from the center of one pivot point to the center of another pivot point.
Caution: If the gate is longer than 18 feet (5.5 m), follow CHART A: A-2.
Suggestion: The dimensions between the gate and the concrete pad is always 10 inches (25.4 cm) less than the dimension D.
Example: D = 42" (106.7 cm), if the dimensions between the gate and the concrete pad is 32" (81.3 cm).
Chart A
A
B
46"
35.5"
29.5"
1
(116.8
(90.2
(74.9
cm)
cm)
46.8"
35.5"
33.5"
2
(118.8
(90.2
(85.1
cm)
cm)
46.8"
37"
31.5"
3
(118.8
(94 cm)
(80 cm)
cm)
47.3"
37.3"
4
(120
(94.6
(76.2
cm)
cm)
47"
35"
29.5"
5
(119.4
(90.2
(74.9
cm)
cm)
42.5"
33"
26.5"
6
(108
(116.8
(67.3
cm)
cm)
Gate Hinge Center
A
B
E
C
Short Arm
Concrete Pad
C
D
E
35"
11"
(90.2
(27.9
cm)
cm)
cm)
42"
11"
(106.7
(27.9
cm)
cm)
cm)
40"
11"
(101.6
(27.9
cm)
cm)
30"
11"
37"
(27.9
(94 cm)
cm)
cm)
32"
11"
(81.3
(27.9
cm)
cm)
cm)
28.5"
11"
(72.4
(27.9
cm)
cm)
cm)
INSTALLATION
NOTE: There should only be a
maximum of 4" (10.2 cm)
from the center of the hinge
to the edge of the post or
column. If the distance is
greater than 4" (10.2 cm),
entrapment protection for
this area is required.
If this dimension is between 20"
(50.8 cm) and 32" (81.3 cm), a
compact installation is necessary.
Refer to LiftMaster.com for
compact installation instructions.
Chart B
DISTANCE
A
34.5"
45"
1
(87.6 cm)
(114.3 cm)
44"
2
(111.8 cm)
37"
44"
(94 cm)
3
(111.8 cm)
45"
41"
4
(114.3 cm)
(104.1 cm)
44.8"
5
45"
(113.7 cm)
(114.3 cm)
41"
6
(104.1 cm)
45"
(114.3 cm)
41"
(104.1 cm)
10
Outside
Inside
D
B
C
D
34.8"
29.5"
35"
(88.3 cm)
(74.9 cm)
(90.2 cm)
36.5"
32.5"
42"
(92.7 cm)
(82.6 cm)
(106.7 cm)
37"
30.5"
40"
(94 cm)
(77.5 cm)
(101.6 cm)
37"
30.5"
37"
(94 cm)
(77.5 cm)
(94 cm)
35.8"
29.5"
32"
(90.8 cm)
(74.9 cm)
(81.3 cm)
39"
27.5"
28.5"
(99.1 cm)
(69.9 cm)
(72.4 cm)
D MINUS 10"
(25.4 cm)
10"
(25.4 cm)
DISTANCE
E
DISTANCE
14"
43"
(35.6 cm)
(109.2 cm)
14"
32"
(35.6 cm)
(81.3 cm)
14"
40"
(35.6 cm)
(101.6 cm)
14"
43"
(35.6 cm)
(109.2 cm)
14"
44"
(35.6 cm)
(111.8 cm)
14"
41"
(35.6 cm)
(104.1 cm)
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