Additional Items For Purchase

The following items are REQUIRED to complete the installation:

ALL MODELS: SAFETY SENSORS

The Model 50-220 safety sensors are intended for installation with the operators covered in this manual.

To order call 1-800-528-2806 or visit www.liftmaster.com.

HARDWARE

•5/16" mounting hardware for gate bracket.

•The following hardware is needed to mount the control box depending on the mounting surface:

Wood: Four #8 1-1/4" zinc plated wood screws.

Metal: Four #10-32x6" zinc plated machine screws with nut and lock washers.

Concrete, Brick, etc.: Four 1/4" x 1-3/4" masonry screws.

LA412-S ONLY: CONDUIT

UL Listed outdoor electrical conduit with 3/4" diameter to hold the extension cable between the junction box and the control box.

Tools Needed

During assembly, installation and adjustment of the operator, instructions will call for tools as illustrated below.

Deep Well Sockets

 

Drill Bits

 

 

 

and Wrench

 

 

 

 

 

1/2", 3/16", 5/16"

 

 

 

1/2", 5/8", 7/16", 9/16"

Drill

 

 

 

and 5/32"

 

Clamps

 

and 1/4"

 

 

 

 

 

 

Welder (Optional)

 

 

 

 

 

 

 

 

1

2

 

 

 

Adjustable End Wrench

Tape Measure

Pencil

Carpenter's Level

 

 

 

 

 

 

 

 

 

 

Screwdriver

 

Phillips Head Screwdriver

 

 

 

Hammer

 

Wire Strippers (Optional)

Wire Cutters (Optional)

 

 

 

 

7

Introduction