Sears 139.53975SRT1 Garage Door Opener User Manual


 
ONE-PIECEDOORS
Please read and comply with the warnings and
reinforcement instructionson the previous page.
They apply to one-piece doors also.
Center the door bracket on the top of the door, in
line with the header bracket as shown. Mark either
the left and right, or the top and bottom holes.
Drill 5/16" pilot holes and fasten the bracket with
hardware supplied.
If the door has no exposed framing, drill 3/16" pilot
holes and fasten the bracket with 5/16"x1-1/2" lag
screws (not provided) to the top of the door.
NOTE: The door bracket may be installed on the top
edge of the door if required for your installation.
(Refer to the dotted line optional placement drawing.)
Drill 3/16" pilot holes and substitute 5/16"xl-1/2" lag
screws (not provided) to fasten the bracket to the
door.
HARDWARE SHOWN ACTUAL SIZE
© ©
Nut 5/16"_18 Loekwasher 5/16"
Carriage Bolt
5/f 6"-f 8x2q/2"
Header Wall
2x4Suppo_
Finished Ceiling
Horizontal and verlical
reinforcement is needed for
lightweight garage doors
(fiberglass, aluminum, steel,
door with glass panel, etc.)
(not provided).
For a door with no exposed framing,
or for the optional installation, use
5/f 6"xlq/2" lag screws (not provided)
to fasten door bracket.
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