Sears 139.53915D owner manual Installation Step, Determine the Header Bracket Location

INSTALLATION STEP 1

Determine the Header Bracket Location

To prevent possible SERIOUSINJURYor DEATH:

OPTIONAL

CEILING

MOUNT

FOR

HEADER

BRACKET

Header Wall

Vedical Centerline

of Garage Door

•Header bracket MUST be RIGIDLYfastened to structural support on headerwall or ceiling, otherwise garagedoor might not reversewhen required. DO NOTinstall header bracket over drywall.

•Concreteanchors MUST be used if mounting header bracket or 2x4 into masonry.

•NEVERtry to loosen, move or adjust garagedoor, springs, cables, pulleys, brackets, or their hardware, ALL of which are under EXTREMEtension.

•ALWAYScall a trained door systems technician if 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 line onto the header wall above	the door.
	You can fasten the header bracket within 4 feet
	(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

	_2"	(5 cm) Track
l	Header	Wall	!

Highest Point

2x4 Structural Supports

H	Header	Wall	Track
	_"	(5 cm)	I

the wall upside down if necessary, to gain

approximately 1/2" (1 cm)).

If you need to install the header bracket on a 2x4

(on wall or ceiling), use lag screws (not provided)

of Travel

--Door

Y

JJ Highest Point

_ of Travel

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:

• 2" (5 cm) above the high point for sectional door and

one-piece door with track.

• 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.

Sectional door with curved track

WaH

Door _ Highest

Point

_ _,_ of Travel

17

One-piece door with horizontal track

Header Wall

8" (20 cm)

Highest

Point

of Travel

One-piece door without track:	One-piece door without track:
jamb hardware	pivot hardware

12