Genie 3531835447 installation instructions Rail Extension for 8door, Sectional Door

Measure garage door height (7'-6",8'-0",or taller) with tape measure.

AIf door height is 7'-6"or less,continue with Check Step 4.

BIf your door height is above 7'-6%make sure your rail is long enough to open the garage door. If there is any question

contact your Customer Service Representative at 1-800-3S-GENIE.

CH CKDOOR t_ AD R

NOTE

The header is a heavily reinforced section of the wall just above the top of the garage door opening.

AFind vertical center line of door and header:

•Close door.

•Measure door width at top.

•Mark a point at center of door and on header directly above door. Draw a center line to connect points.

BFind Header Bracket mounting height (Figure 4): (Do not attach Header Bracket).

•Raise door, watching top edge of door and stop door when its edge reaches its highest point.

•Measure distance ('H") from top edge of door to floor.

-For sectional doors, add 2-1/2" to"H': Mark a point on center line. Bottom of Header Bracket will be

installed here.

-For one-piece doors, add 6" to"H': Mark this point on center line. Bottom of Header Bracket will be

installed here.

NOTE

eFor both types of doors:

If the ceiling in your garage is so low that there is not at least a 3" space above the Header Bracket

mountingpoint, contact a Genie Factory AuthorizedDealer.

If a door spring is in the way, place the Header

Bracket avove the spring. Do Not move the door spring.

CCheck wall for a stud or a solid header at your mark:

(if checking a finished wall, a stud finder may be helpful).

•If location is above Header, a 2" x 6" board must be screwed to studs beside your mark with at least two Lag Screws and Flat Washers (not provided).

•Transfer your mark to new mounting board.

Rail Extension for 8'door

Figure 3 Rail Extension Kit

SECTIONAL DOOR

ONE-PIECE DOOR

H+6"

H

Figure 4 Find Highest Point of Travel