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STEP 1 continued...
DETERMINE LOCATION FOR THE OPERATOR
CHART INSTALLATION
Refer to the illustration to determine the measurements and location of the concrete pad.
OUT
IN
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"
1
(116.8 cm)
(90.2 cm)
46.8"
35.5"
2
(118.8 cm)
(90.2 cm)
46.8"
37"
3
(118.8 cm)
(94 cm)
47.3"
37.3"
4
(120 cm)
(94.6 cm)
47"
35"
5
(119.4 cm)
(90.2 cm)
42.5"
33"
6
(108 cm)
(116.8 cm)
Gate Hinge Center
4" (10.2 cm) maximum
A
B
Long Arm
E
C
Short Arm
Concrete Pad
C
D
E
29.5"
35"
11"
(74.9 cm)
(90.2 cm)
(27.9 cm)
33.5"
42"
11"
(85.1 cm)
(106.7 cm)
(27.9 cm)
31.5"
40"
11"
(80 cm)
(101.6 cm)
(27.9 cm)
30"
37"
11"
(76.2cm)
(94 cm)
(27.9 cm)
29.5"
32"
11"
(74.9 cm)
(81.3 cm)
(27.9 cm)
26.5"
28.5"
11"
(67.3 cm)
(72.4 cm)
(27.9 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.
CHART B
A
45"
34.5"
1
(114.3 cm)
(87.6 cm)
37"
44"
2
(94 cm)
(111.8 cm)
41"
44"
3
(104.1 cm)
(111.8 cm)
45"
45"
4
(114.3 cm)
(114.3 cm)
45"
44.8"
5
(114.3 cm)
(113.7 cm)
41"
41"
6
(104.1 cm)
(104.1 cm)
12
OUT
IN
D
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.
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
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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