Craftsman 139.53664SRT2 Garage Door Opener User Manual


 
Installation Step 2
Install the Header Bracket
You can attach the header bracket either to the
wall above the garage door, or to the ceiling.
Follow the instructions which will work best for
your particular requirements.
Fasten the Header Bracket to the Wall
Center the bracket on the vertical guideline with
the bottom edge of the bracket on the horizontal
line as shown (with the arrow pointing toward the
ceiling).
Mark either set of bracket holes (do not use the
holes designated for ceiling mount). Drill 3/16" pilot
holes and fasten the bracket securely to a structural
support with the hardware provided.
2x4
Structural
Support
__ Header _
Wall
+,
Highest
Point ol Travel
(ofGarage Door)
Wall
Mountin Holes
" Lag Screws '/'
Door_
P g oT_o._oa2_t_ml_Ua_e)raP_bs_/:gt o
Optional
Wall Mounting
Holes
Garage _
Door
Vedlcal
Center
Line
Hardware Shown Actual Size
5/16"-9Xl-5/8"
Fasten the Header Bracket to the Ceiling
Extend the vertical guideline onto the ceiling as
shown.
Center the bracket on the vertical mark, no more
than 6" from the wall. Make sure the arrow is
pointing toward the walt. The bracket can be
mounted flush against the ceiling when clearance
is minimal.
Mark holes designated for ceiling mount only• Drill
3/16" pilot holes and fasten bracket securely to a
structural support with the hardware provided.
Ceiling Mounting Holes
Door
Spdng
Header
Wall
The nail hole is lot positioning only.
You must use lag screws to mount
the header bracket
14