Craftsman 139.53978SRT Garage Door Opener User Manual


 
Please read and comply with the warnings and reinforcement Instructions on page 24.
They apply to one-piece doors also.
Header Wall
2x4 Support Header
-- Finished Coiling --
Ooor
Bracket
Placement
of Door
Bracket
VediCal
Garage Door
Horizontal and vertical reinforcement is
needed for lightweight garage doors
lass, alumk_um, steel, door with
glass panel, stc,). (Not Provided)
e
i
Nut
5/16"-18 O I
I t
Door _ i
Bracket
i!
I
For adoor with no i
exposed framing or for
the optional installation,
use 5/16"x1-1/2" lag
screws (not provided)
5,116"
Top of Door
(Inside Garage)
/
_. Top Edge
of Door
-- Optiona_
Placement
Carriage Bolt
5!16"-18X2-1f2"
Center the bracket on the top of the door, in line
with the h,eader bracket as shown. Mark holes.
Drill 5/16" pilot holes and fasten the door bracket
with hardware provided.
If the door has no exposed framing, drill 3/16" pilot
holes and fasten the bracket with 5/16"xl -1/2" lag
screws (not provided) to the top of the door.
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"x1-1/2" lag screws (not provided) to fasten
the bracket to the door.
Hardware Shown Actual Size
© ©
Nut 5/16" - 18 LockWasher 5/16"
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Carriage Bolt
5/16"-18 x 2-1/2"
25