Craftsman 139.53920D owner manual Floor installation Figure, Installing the Brackets

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,

HARDWARE SHOWN ACTUAL SIZE

Cania!_SotWingNutStapfes

I/4"-20xl/2"114"-20

Figure DOOR TRACK MOUNT (RIGHT SIDE)

3__ Door

Track

indicator Light

I// Senso,Bracket_

_i_"		WALL	MOUNT	(RIGHT S_DE)
Figure 2 I	I	Fasten Wood		B!ock to Wall wth
		Lag	Screws (Not Provided)

i- °IProvided)

Figure 4FLOOR MOUNT (RIGHT SIDE)

i

• _.r_'			Concrete Anchors
,311	,	'	(Not Pro',4ded)
	i
Lens	',
_'_f"/_			Indicator

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