Craftsman 139.53674SRT, 139.53671SRT1, 139.53677SRT1, 139.53661SRT1 owner manual Installation, Step

Installation	Step 10	I
Install the Safety	Reversing Sensor

'Figures 2 and 3 show assembly of brackets and

i "C" wrap based on the recommended installation of the sensors as shown on page 21.

However, Figures 4 and 5 are vadetions which may fit your installation requirements better. Make sure the wraps end brackets are aligned so the

sensors will face each other across the garage door,

•Fasten the "C" wraps to the mounting brackets having square holes, using the hardware shown in Figure 2.

•Connect each assembly to a slotted bracket, using the hardware shown in Figure 3.

Note the alignment of the brackets for left and right aides of the door.

•Finger tighten the lock nuts.

•Use bracket mounting holes as a template to locate and ddll (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 21.)

•Attach bracket assemblies with 1/4"x1-1/2" lag screws as shown in Figure 3.

•Adjust dght and left side bracket assemblies to the same distance out from the mounting surface. Make sure all door hardware obstructions are dealed. Tighten the nuts securely.

Figure 2

#10-32

Lo<:kNuts

Figure 3

Mo_ Brac_l W'dhSquareHoles

		Hardware Shown	Actual Size
	©
#10 o _12x :_gS"	#10x32	Lag_	St=paB
SOtew	LockNut
Figure 4			Figure 5
	Alternate Wall Mount
	withSlot

©

114"- 20 x 1i'Z'	114"-20
	LockNut

Alternate Floor Mount

--Floor--

_2