Craftsman 139.53674SRT - Manual (Page 22)

Installation Step 10
install ttie Safety Reversing Sensor
Figures 2 and 3 show assembly of brackets and
"C wrap based on the recommended installation of
the sensors as shown on page 21.
However, Figures 4 and 5 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 die garage
door.
• Fasten the wraps to the mounting brackets
having square holes, using the hardware shown
in Rgure 2.
• Connect each assembly to a slotted bracket, using
the hardware shown in Figure 3.
Note №e alignment of the 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 weaning on
page 21.)
• Attach bracket assemblies with 1/4*x1-1/2* lag
screws as shown in Bgure 3.
• Adjust right and left side bracket assemblies to the
same distance out from the mounting surface.
Make sure all door hardware obstructions are
cleared. Tighten the nuts securely.
Figure 2
Moundr^ Bntcfcei
With Square Holm
CWrap
*10-32
UcfcNuls
«10-32x3/8'
Sam»
Figure 3
1/4 Jc l-l/r
Lag Screws
t/4-20 X 1/r Coniag« Solis
(with tqusre shouldsr)
CWrap
Hardware Shown Actual Size
«10-32x3/8'
Screw
«10x32
Lock Nut
! I I 1 1 I I 1 Til I J>
1/4 X1-1/2*
Lag Screw
^ (iMD
Staplw
1/4'- 20x1/2*
CaniagaBolis
1/4'-20
Lock Nut
Figure 4 Figure 5
AHemate Wall Mount
Mounting Bracks!
¥40) Slot
Mounting Brackat
w№ Square Holas
•CWrap
Sensor
«401 wire
Indicalor Light
Alternate Floor Mount
Sanaor with wire
Imicator Light
Mounting Brackat
a№ Square Holaa
Mounting Braekat
with Slot
Attach with
concreta anchois
(not ptovldad)
22