Craftsman 139.53920D Garage Door Opener User Manual


 
INSTALLING THE BRACKETS
Be sure power to the opener is disconnected.
Install and align the brackets so the sensors wilt face
each other across the garage door, with the beam no
higher than 6" (t5 cm) above the floor They may be
installed in one of three ways, as follows.
Garage door track installation (preferred):
= Slip the curved arms over the rounded edge of
each door track, with the curved arms facing the
door Snap into place against the side of the track
It should lie flush, with the lip hugging the back
edge of the track, as shown in Figure 1.
If your door track will not support the bracket
securely, wall instalfation is recommended
Wall installation (Figure 2 & 3):
* Place the bracket against the wall wlh curved
arms facing the door Be sure there is enough
clearance for the sensor beam to be unobstructed
- If additional depth is needed, an extension bracket
(See Accessories) or wood blocks can be used
Use bracket mounting holes as a template to
locate and ddl (2) 3116" diameter pilot holes on
the wall at each side of the door, no higher than
6" (15 cm) above the floo_,
- Attach brackets to wall with tag screws
(Not provided),,
- If using extension brackets or wood blocks, adjust
right and left assemblies to the same distance out
from the mounting surface, Make sure all door
hardware obstructions are cleared,
Floor installation (Figure 4):
o Use wood blocks or extension brackets (See
Accessories) to elevate sensor brackets so the
lenses will be no higher than 6" (15 cm) above the
floor,
Carefully measure and place right and left
assembles at the same distance out from the wall.,
Be sure all door hardware obstructions are
cleared,
- Fasten to the floor with concrete anchors as
shown,
Figure
I
DOOR TRACK MOUNT (RIGHT SIDE)
3__ Door
Track
//
Senso, _
Bracket
indicator
Light
Figure 2 I
_i_" WALL MOUNT (RIGHT S_DE)
I Fasten Wood B!ock toWall wth
Lag Screws (Not Provided)
i- °IProvided)
Figure 4
FLOOR MOUNT (RIGHT SIDE)
HARDWARE SHOWN ACTUAL SIZE
Cania!_Sot WingNut
I/4"-20xl/2" 114"-20
Stapfes
i
_.r_' Concrete Anchors
,311 , (Not Pro',4ded)
i '
Lens ',
_'_f"/_ Indicator
21