lift-master 1280c Manual De Usuario

1/4 x 1-1/2"

Lag Screw

#10 - 32 x 3/8"

Screw

1/4" - 20

Lock Nut

#10 x 32

Lock Nut

Staples

1/4" - 20 x 1/2"

Carriage Bolts

Mounting Bracket

With Square Holes

#10-32x3/8"

Screws

"C" Wrap

#10 - 32

Lock Nuts

Mounting Bracket

with Slot

1/4" - 20

Lock Nuts

1/4 x 1-1/2"

Lag Screws

1/4-20 x 1/2" Carriage Bolts

(with square shoulder)

Inside

Garage

Wall

"C" Wrap

Mounting Bracket

with Square Holes

Inside

Garage

Wall

"C" Shaped

Wrap

Mounting Bracket

with Square Holes

1/4-20 x 1/2"

Carriage Bolts

1/4 " Lock Nuts

Drill 3/8"

Holes

Garage

Door Track

Figures 2, 3 and 4 show recommended  assembly
of bracket(s) and "C" wrap based on the 

wall

installation of the sensors on each side of the
garage door as shown on page 17, or on the 

garage

door tracks themselves. 

Figures 5 and 6 are variations which may fit your
installation requirements better. Make sure the
wraps and brackets are aligned so the sensors
will face each other across the garage door.

Garage Wall or Door Track Installation
Procedure
• Fasten the "C" wraps to the mounting brackets

having square holes, using the hardware shown in 2.

Garage Wall Installation Procedure 
• Connect each assembly to a slotted bracket, using

the hardware shown in 3. Note alignment of
brackets for left and right sides of the door.

• Finger tighten the lock nuts.
• Use bracket mounting holes as a template to locate

and drill (2) 3/16" diameter pilot holes on both sides
of the garage door, 4"-6" above the floor 

exceeding 6". (See warning on page 17.)

• Attach bracket assemblies with 1/4"x1-1/2" lag

screws as shown in 3.

• Adjust right and left side bracket assemblies to the

same distance out from mounting surface. Make
sure all door hardware obstructions are cleared.
Tighten the nuts securely.

Garage Door Track Installation Procedure 
Discard slotted bracket. Drill 3/8" holes in each track
and fasten securely with hardware as shown in 4.

"C" Wrap

Inside

Garage

Wall

Mounting Bracket

with Square Holes

Garage

Floor

Mounting Bracket

with Slot

Sensor

Inside

Garage

Wall

Mounting Bracket

with Slot

Mounting Bracket

with Square Holes

"C" Wrap

Sensor

Garage

Floor

Indicator Light

Indicator Light

Attach with

concrete anchors

(not provided)

18