Install The Headerbracket - Craftsman 139.536481DM Owner's Manual

1/2 hp 315 mhz garage door opener for residential use only
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INSTALLATION
STEP
2
Install the HeaderBracket
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. Do not install the
headerbracket over drywall. If installing into masonry, use
concreteanchors(not provided).
WALL HEADERBRACKET INSTALLATION
• Center the bracket on the vertical centerline with the bottom
edge of the bracket on the horizontal line as shown (with the
arrow pointing toward the ceiling).
• Mark the vertical set of bracket holes (do not usethe holes
designated for ceiling mount). Drill 3/16" pilot holes and fasten
the bracket securely to a structural support with the hardware
provided.
HARDWARESHOWN ACTUALSIZE
LagScrew
5/16"x9x1-5/8"
CEILINGHEADER BRACKET INSTALLATION
• Extend the vertical centerline onto the ceiling as shown.
• Centerthe bracket on the vertical mark, no more than 6" (15 cm)
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 the side holes. Drill 3/16" pilot holes and fasten bracket
securely to a structural support with the hardware provided.
Ceiling Mounting Holes
CEILI
MOiM'_UN
NLY
o@o
Wall Mounting Holes
G MOUNT
ONLY
Optional _
Wail MountingHoles
Header
-- Wall
2x4
Structural
Support
Horizontal
Line
_
/
/
/
/
/
.. 1 /
Highest Point of
Garage DoorTravel
Vertical
Centerline
of Garage Door
LagScrews
5/16"-9xl-5/8"
Door Spring
Garage
- Door -
Vertical
Centerline
of GarageDoor
* _" _ _ _ _ _ * _ _ //_
- FinishedverticaiCeiling
-
_
_
_/_
Header
Centerline
Bracket
of Garage Door
6" (15 cm) Maximur
Door
Spring
Lag Screws
5/16"-9xl -5/8"
HeaderWall
\
of Garage Door
13

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