LiftMaster LA500 LA500 Manual - Page 16

INSTALLATION DETERMINE THE POSITION OF THE GATE BRACKET + WELD THE BRACKETS DETERMINE THE POSITION OF THE GATE BRACKET The gate bracket MUST be installed in an area that can withstand heavy forces. Additional reinforcement steel plates may be necessary for mounting. 1 Position a level on the post bracket and measure 27.75 inches over from the center of the gate hinge point and mark the location on the gate. 2 Measure 2.25 inches down from the previous mark and center the bracket on this mark. Tack weld the gate bracket in this position. Gate Hinge Point 27.75" Gate Bracket Location 2.25" WELD THE BRACKETS 1 Position the operator on the brackets and make sure the operator is level and positioned correctly on the gate. 2 Remove the operator from the gate. 3 Completely weld around the post bracket and gate bracket. 14