Installation step 1, Dornvm, Determine header bracket location – Craftsman 139.53664SRT2 User Manual

Page 12: Sëctionat. door and oke-piece, Tr&ok

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Installation Section: Pages 1 2 - 2 7

Installation Step 1

Determine Header Bracket Location

Installation procedures vary according to
garage door types. Follow the instructions

which appiy to your door.

SëCTiONAt. Door and

OKE-PieCE

DornVm

Tr&ok

Rnished

Celling

If the header bracket is not rigidly fastened to
a structural support on the header wall or
ceiling, the safety reverse system may not
work properly (see page 30).

The door might

not reverse when required, and could cause
serious injury or death.

The garage door springs, cables, pulleys,

brackets and their hardware are under extreme

tension.

Do not attempt to loosen, move or

adjust them yourself. Serious persona! injury

or death could result,

Cali for professional

garage door service.

• Close the door and mark the inside

vertical centerline of the garage door.

• Extend the tine onto the header wall

above the door.

Remember, you can fasten the
header bracket within 2 feet of the

left or right of the door center

onlyW

a torsion spring or center bearing

plate is in the way; or you can attach
it to the ceiling (refer to page 14)
when clearance is minimai. (It may
be mounted on the wall upside down
if necessary, to gain approximately

1/2“'.)

if 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.

• Open your door to the highest

point of travel as shown. Draw

an intersecting horizontal line
on the header wall 2“ above
the high point. This height wiil
provide travel clearance for the
top edge of the door.

Door clearance brackets are
available for sectional doors
when headroom clearance is

less than 2". See accessory
page 38.

Ceiling

Door

Header

__ Wall

j — 2"

Track

Highest Point

of Travel

Proceed to Step 2, page 14.

Sectional door

with curved track

One-piece door

with horizontal track

1 2

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