Genie Screw Drive User Manual page 15

SECT 2—INSTALLATION
NOTE: There are differences in installations
depending on which type of door you have.
These differences are explained throughout
this section. Please note those steps which are
applicable to your particular door.
REFER TO PAGES 2 & 3.
There are two basic types of residential garage
doors. They are:
SECTIONAL DOORS—divided into a set of
narrow panels (usually four) connected by
hinges, so door can "bend" as it rides on a
curved track.
1-PIECE DOORS—consist of one large
panel and swivel on large spring-loaded hinges
on each side of door.
1. Determining header bracket location.
• Find center of door from side to side.
– Measure overall width of door.
(example: 16 feet)
– Divide overall width by 2.
(example: 16 ÷ 2 = 8 feet)
• Measure this distance from side of door and
draw a pencil line vertically from the top of
the door down approximately 1 foot. This is
the centerline. Fig. 2-1.
– Continue marking centerline on wall
above door from top of door up
approximately 1 foot. Fig. 2-1.
FOR HELP-1.800.354.3643 OR GENIECOMPANY.COM
CENTERLINE
garage door
floor
TYPICAL TRACK GUIDED
CENTERLINE
garage door
floor
Fig. 2-1
Sectional doors may have one
torsion spring (as shown) or two
springs (one on each side).
Some older doors may have
extension springs.
TYPICAL TRACKLESS
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