Chamberlain 1270LMC Garage Door Opener User Manual


 
1/4x1-1/2"
Lag Screw
#10-32x3/8"
Screw
1/4"-20
Lock Nut
#10x32
Lock Nut
Staples
1/4"-20x1/2"
Carriage Bolts
Installation Step 10
Install the Safety Reversing Sensor
Mounting Bracket
With Square Holes
#10-32x3/8"
Screws
"C" Wrap
#10-32
Lock Nuts
Garage WALL or DOOR TRACK Installation
Figures 2, 3 and 4 show recommended assembly of
bracket(s) and "C" wrap based on the
wall
install
ation 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.
For Garage Wall or Door Track
Installation
Fasten the "C" wraps to the mounting brackets
having square holes, using the hardware shown in
Figure 2.
For Door Track
Installation Only
Discard slotted bracket. Drill 3/8" holes in each
track and fasten securely with hardware as shown
in Figure 3.
For Wall
Installation
• Connect each assembly to a slotted bracket, using
the hardware shown in Figure 4. 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 (but not
exceeding 6"). See warning on page 17.
• Attach bracket assemblies with 1/4"x1-1/2"
lag screws as shown in Figure 4.
• 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.
18
Hardware Shown Actual Size
Inside
Garage
Wall
"C" Wrap
Mounting Bracket
with Square Holes
1/4"-20x1/2"
Carriage Bolts
1/4"-20 Lock Nuts
Drill 3/8"
Holes
Garage
Door Track
Garage DOOR Track Installation
Mounting Bracket
with Slot
1/4"-20
Lock Nuts
1/4x1-1/2"
Lag Screws
1/4-20x1/2" Carriage Bolts
(with square shoulder)
Inside
Garage
Wall
"C" Wrap
Mounting Bracket
with Square Holes
Garage WALL Installation
"C" Wrap
Inside
Garage
Wall
Mounting Bracket
with Square Holes
Mounting Bracket
with Slot
Alternate Wall Mount
Sensor
Garage
Floor
Indicator Light
Garage
Floor
Inside
Garage
Wall
Alternate Floor Mount
Mounting Bracket
with Slot
Mounting Bracket
with Square Holes
"C" Wrap
Sensor
Indicator
Light
Attach with
concrete anchors
(not provided)
Figure 2
Figure 3
Figure 4
Figure 6Figure 5