Installation, Manual release, Determine the position of the post bracket – LiftMaster LA500 Residential / Light Commercial Swing Gate Operator User Manual
Page 15
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MANUAL RELEASE + DETERMINE THE POSITION OF THE POST BRACKET
INSTALLATION
MANUAL RELEASE
1
Insert the key into the lock and turn it 180 degrees counterclockwise.
2
Turn the release lever 180 degrees counterclockwise. The operator is now in
manual mode.
The measurements shown below are typical for a standard installation. Your
installation may be different. For optimal mechanical advantage the measurement
for A must be larger than the measurement for B.
1
Close the gate.
2
Choose a vertical mounting location for the post bracket.
3
Place a measuring tape under the center of the gate hinge point and measure
out 8-1/2 inches (A).
4
Use a screwdriver or dowel rod to temporarily mark the location of the first
measurement.
5
Measure 7-3/4 inches (B) from the previous mark.
6
Use a screwdriver to mark the location of the second measurement.
7
Align the post bracket as close as possible above the screwdriver or dowel rod
and tack weld the post bracket in the desired vertical position.
8-1/2" (A)
7-3/4" (B)
8-1/2" (A)
7-3/4" (B)
Post Bracket Location
If this operator is a replacement for a Miracle-One™ operator, use the existing post bracket and gate bracket. Remove the Miracle-One™ operator
from the brackets and proceed to page 15.
DETERMINE THE POSITION OF THE POST BRACKET
8-1/2"
7-3/4"
PUSH-TO-OPEN
If your application is Push-to-Open, refer to the illustration to the right.
Alternative A & B dimensions
A
B
C
D
8-1/2"
7-3/4"
35-1/2"
6-1/2"
7-3/4"
8-1/2"
35-1/2"
6-1/2"
9"
9"
35-1/2"
6-1/2"
9"
8-1/2"
35-1/2"
6-1/2"
7-1/2"
7-1/2"
35-1/2"
6-1/2"