Craftsman 139.53335SRT3 Garage Door Opener User Manual


 
J All ONE_PIECE Door Instal!ation Procedure J
Please read and comply with the warnings and reinforcement instructions on page 24.
They apply to one-piece doors also.
Header Wall
-- Finished Ceiling --
2x4 Supped
Header
Bracket
Bracket
Placement
of Door
Bracket
Vertical
Centerline of
Garage Door
Horizontal and vertical
reinforcement is needed for
lightweight garage doors
(fibergLass, aluminum, steel,
door with glass panel, etc.).
(Not Provided)
i
Nut
5/16"-15
Door __
Bracket
For a door with no
exposed framing or for
the optional installation,
use 5/16"x1-l/B" lag
screws (not provided)
5/16"
I
I Top of Door
(Inside Garage)
//
Top Edge
-- of Door
__ Optional
Placement
I I
i ,_ Carriage Bolt
5/16" 18x2-1/2"
Center the bracket on the top of the door, in line
with the header 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"x1-1/2" 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 Lock Washer 5/16"
II!!l!ll!!!lLllllllllllllllI!l!l!l
Carriage Bolt
5/16"-15 x 2-1/2"
25