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Rail Extension
for 8 doors
Figure 1 Note Door Type
SECTIONAL DOOR, TORSION SPRINGS
SECTIONAL DOOR, EXTENSION SPRINGS
ONE-PIECE DOOR, TRACKLESS
me a S u R e Ga R a G e Do o R he i G h t
A Measure door height (floor to top of door) using a tape measure.
B This new Garage Door Opener is designed for doors up to and
including 7’ 6” tall. If door height is 7’ 6” or less continue to Check Step 4.
C If door height is 8’-0”, you need a Rail Extension Kit. (Figure 3).
(See Accessories Order Form, Page 16).
D If the door height is taller than 8’-0”,
the opener you purchased is the
wrong version. Contact your
Customer Service
Representative
at 1-800-354-3643.
Check Step 3:
pR e -iN S t a l l a t i o N Ch e C k l i S t
This Opener includes parts and supplies needed to install in most
garages and connect to most garage doors. There are many variations
of garages and garage doors. A few additional parts and supplies may
be needed to install Opener into your garage and connect to your
garage door. While checking items listed below, note any additional
items you will need.
Tools used in this section:
• 12’+ Tape Measure • Pencil • Ladder • Level
Check following items before assembling Opener:
Ch e C k Do o R Co N D i t i o N
a N D th i C k N e S S
Check Step 1:
Ch e C k Ga R a G e Do o R
a
l i G N m e N t , op e R a t i o N ,
a N D ba l a N C e
Check Step 2:
WARNING
:
If your door sticks, binds, or is out of balance, have it adjusted
by a Genie Factory Authorized Dealer. Door springs, cables,
pulleys, brackets and associated hardware are under extreme
tension and can cause serious injury or death.
Torsion
Springs
Extension
Springs
Center
Stile
Center Stile
Header Area
Figure 3 Rail Extension Kit
Rail Extension for
8’ door
Check condition of vertical stile in center of door, and its connection to
door’s top and bottom beams. (Figure 1)
A If door frame is nailed together and not a solid connection, door
frame must be braced or reinforced before installing Opener.
B If door is “lightweight” (made with frame and skin - not solid),
door (including door frame) must be braced or reinforced before
installing Opener.
C A door opener reinforcement bracket may also be needed to
connect garage door to Opener’s Door Bracket. This Opener is
designed for installation on a properly braced sectional door or
solidly braced one-piece door.
D Contact your Genie Factory Authorized Dealer or dealer of your
garage door for any necessary bracing and a door opener
reinforcement bracket (if needed) before proceeding.
E If you have a wooden door, measure door’s thickness. If your door
is less than 2” thick, brace door or use shorter Door Bracket Lag Screws
(1/4” x 1-1/4” – not included)
A Raise door, check alignment and see if it moves freely (Figure 2).
If door appears out of alignment, binds, or does not move smoothly,
contact a Genie Factory Authorized Dealer or dealer of your garage
door for repairs and adjustments to door mechanism.
B Raise door to 3’ – 4’ above ground and carefully let go. Door
should stay stationary. Slight movement is acceptable. More than
slight movement means door is out of balance. Contact a Genie
Factory Authorized Dealer or dealer of your garage
door for repairs and adjustments to door mechanism.
B 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.
Ch e C k Do o R he a D e R aR e a
A 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.
Check Step 4:
NOTE
The header is a heavily reinforced section of the wall just
above the top of the garage door opening.
H + 2-1/2
H + 6
Figure 4 Find Highest Point of Travel
SECTIONAL DOOR
ONE-PIECE DOOR
HEADER
HEADER
H + 2-1/2
H + 6
C Check door type. Make a note of whether it is a sectional or a
one-piece door for reference later (Figure 2).
3’ - 4’
Sectional
Door
3’ - 4’
Figure 2 Checking door balance
One-Piece
Door
KEEP FEET CLEAR OF DOOR