Determine The Header Bracket Location - Craftsman 139.53925DS Manual Del Propietário

tlNSTALLATiON STEP 1
Determine the Header Bracket
Location
To preventpossible SERIOUS INJURYor DEATH:
. HeaderbracketMUSTbe RIGIDLYfastenedto structural
support on headerwall or ceiling, otherwisegaragedoor
might not reversewhen required DONOTinstall header
bracketover drywall
• Concreteanchors MUSTbe usedif mounting headerbracket
or 2x4 into masonry
• NEVER try to Ioosen,move or adjust garagedoor, springs,
cables,pulleys,brackets,or their hardware,all of which are
under EXTREME tension
• ALWAYScall a trained door systems technicianif garage
door binds, sticks, or is out of balance An unbalanced
garagedoor might not reversewhen required+
Installation procedures vary according to garage door
types Follow the instructions which apply to your door
1 Close the door and mark the inside vertical centerline of
the garage door
2 Extend the fine onto the header wall above the door
You can fasten the header bracket within 4' (1.22 m)
of the left or right of the door center only if a torsion
spring or center bearing plate is in the way; or you
can attach it to the ceiling (see page 13) when
clearance is minimal. (It may be mounted on the wall
upside down if necessary, to gain approximately
1t2" (1 cm).
ff you need to install the header bracket on a 2x4
(on wall or ceiling), use lag screws (not provided)
to securely fasten the 2x4 to structural supports as
shown here and on page 13
3+Open your door to the highest point of travel as shown
Draw an intersecting horizontal line on the header wall
above the high point:
• 3" (75 cm) above the high point for sectional door
and onepiece door with track°
o 8" (20 cm) above the high point for one-piece door
without track+
This height will provide travel clearance for the top edge
of the door
NOTE: If the total number of inches exceeds the height
available in your garage, use the maximum height
possible, or refer to page 13 for ceiling installation
Header Wall
Vedical Centedine
el Garage Door
(optional)
2x4
Structural
Suppers
Header Wall
'_"_-,--3" (7 5 era)Track
of Travel
-- Door
Sec_ona! door with curved track
Z
Header Wall
Track
_/_ Highest Paint
;" e! Travel
One-piece door with horizontal track
U He_ Wa_l
_ of Travel
One-piece door without track:
jamb hardware
!r Wall
Deal
Pivol
One-piece door without track:
pivot hardware
12