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Measure garage door height (7'-6", 8'-0", or taller) with
tape measure.
A If door height is 7'-6" or less,continue with Check Step 4.
B If your door height isabove 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.
Figure 3 Rail Extension Kit
Rail Extension for
8' door
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.
A
B
Find 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.
Find 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.
C
NOTE
e
For both types of doors:
i 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.
Check 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.
SECTIONAL DOOR
ONE-PIECE DOOR
H+6"
H
Figure 4 Find Highest Point of Travel