Craftsman 139.53918D Manual Del Propietário página 13

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. Do not install the
header bracket over drywall. If installing into masonry, use
concreteanchors(not provided).
WALL HEADERBRACKET INSTALLATION
1. 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).
2. Mark the vertical set of bracket holes. Drill 3/16" pilot holes and
fasten the bracket securely to a structural support with the
hardware provided.
HARDWARESHOWN ACTUALSIZE
LagScrew
5/16"-9xl -5/8"
- Header Wall -
2x4
Structural
SuppoR
J
1
Horizontal
Line
i
Highest Point of
Garage DoorTravel
Wall Mount
Optional
Mounting Holes
Vertical
Centerline
of Garage Door
_ Lag Screws
5/16"-9xl -5/8"
Door Spring
- Garage Door -
Vertical
Centerline
of Garage Door
CEILINGHEADERBRACKET INSTALLATION
1. Extend the vertical centerline onto the ceiling as shown.
2. Center the 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 clearance is minimal.
3. Mark the side holes. Drill 3/16" pilot holes and fasten bracket
securely to a structural support with the hardware provided.
Ceiling Mounting Holes
Bracket
6" (15 cm) M
- Finished Ceiling-
Vertical C enterline
of GarageDoor
Door
Spring
" Lag Screws
5/16"-9xl -5/8"
Header Wall -
13