Craftsman 139.53963SRT Manuel du propriétaire télécharger pdf (Page 12)

Header

Wall

Ceiling

Track

Highest Point

of Travel

Door

Track

Header

Wall

Highest Point

of Travel

Vertical

Guideline

Finished

Ceiling

Vertical

Guideline

Header

Wall

2x4

Structural

Supports

SECTIONAL Door or

ONE PIECE Door with Track

• Close the door and mark the inside

vertical centerline of the garage door.

• Extend the line onto the header wall

above the door.

Remember, you can fasten the header

bracket within 4 feet 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

(refer to page 14) when clearance is

minimal. (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 3"

above the high point. This height will

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.

Proceed to Step 2, page 14.

INSTALLATION SECTION: PAGES 12 – 27

Sectional door

with curved track

One-piece door

with horizontal track

Installation Step 1

Determine Header Bracket Location

Installation procedures vary according to garage

door types. Follow the instructions which apply to

your door.

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

personal injury or death could result.

Call for

professional garage door service.

WARNING

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 39 40

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Craftsman 139.53963SRT Manuel du propriétaire Page 12

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