Craftsman 139.3043 Garage Door Opener User Manual


 
INSTALLATION STEP 2
Install the Header Bracket
You can attachthe headerbracketeither to the wall above the
garagedoor, or to the ceiling. Follow the instructions which will
work bestfor your particular requirements. Donot install the
headerbracketover drywall. If installinginto masonry,use
concreteanchors(not provided).
WALLHEADERBRACKETINSTALLATION
Centerthe bracket on the vertical centerline with the bottom
edge of the bracket on the horizontal line asshown (with the
arrow pointing toward the ceiling).
Mark thevertical set of bracket holes. Drill 3/16" pilot holesand
fastenthe bracketsecurely to a structural support with the
hardware provided.
HARDWARESHOWNACTUALSIZE
LagScrew
5/16"-9xl -5/8"
- Header Wall
2x4
Structural
Suppo_
J
I
Horizontal
Line
i
HighestPointof
GarageDoorTravel
Wall Mount
Optional
Mounting Holes
Vertical
Centerline
of Garage Door
_ Lag Screws
5/16"-9xl-5/8"
DoorSpring
Vertical
Centerline
of GarageDoor
CEILINGHEADERBRACKETINSTALLATION
Extendthe 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 away
from the wall. The bracket can be mounted flush against the
ceiling when clearanceis minimal.
Mark the side holes. Drill 3/16" pilot holes and fasten bracket
securelyto a structural support with the hardware provided.
Ceiling Mounting Holes
i
I
Bracket
6" (15cm) M
- Finished Ceiling -
Vertical Centerline
of Garage Door
Door
Spring
HeaderWall -
Centerline
ofGarageDoor
13