LiftMaster MAT Owners Manual - Page 7
Attach The Operator To The Concrete Pad, Attach The Operator To The, Concrete Pad
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INSTALLATION » ATTACH THE OPERATOR TO THE CONCRETE PAD ATTACH THE OPERATOR TO THE CONCRETE PAD 1 Position the operator on the concrete pad and mark the mounting holes. 2 Install 1/2" x 6" wedge anchors in the location of the mounting holes. The wedge anchors should be installed with approximately 1-1/4" showing above the concrete pad in order to allow for the 1/2" thick base plate as well as washers for leveling. 3 Attach the operator to the concrete pad with appropriate fasteners. PEDESTAL INSTALLATION TOWER INSTALLATION (base plate) 1/2" x 6" (base plate) 1/2" x 6" INSTALL THE BARRIER ARM 1 Line up the holes in the barrier arm with the slotted holes in gate arm bracket. 2 Insert the bolts through the barrier arm and gate arm bracket. 3 Secure with the flat washers and nylon nuts (It is recommended to use ONLY nylon nuts). 7 (Gate Arm Bracket) (Operator) (Barrier Arm)