Craftsman 139.53677SRT1 Garage Door Opener User Manual


 
Installation Step 2 I
Install the Header Bracket
i
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 pointingtoward 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.
Wall
Mount_ Holes
"" "*Lag Screws f
Spring " Thenailho_ isfor posilioning \ //
only. y_J must use lag scrk=e_ts 1o V
mounithe headerb'acket.
opt_lal
WallMounting
Ho_es
le_
Door
Vertical
Center
Line
Hardware Shown Actual Size
_16"-9XI-_"
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 wall. 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.
Ceil!rigMountingHoles
"n_naJho_L_forpo=_k_ngonly.
You rnust use kRgscrews to motml_
theheaderbtackel.
Door
Spdng
14