Genie GCG350L Manual page 2

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Check your ceiling where the power
head of your new unit will be mounted.
Plan how you will be mounting the power head.
It is possible that ceiling joists may not be in the
position needed with respect to the garage door
operator. It may be necessary to add an
additional bracket and fasteners (not included
with your new door operator kit).
You need a 110-120 Volt power supply
available. The outlet should be no more than 3
feet from the power head once it is mounted. (The
cord is 4 ft. in length.) SEE WARNING BELOW.
Check the wall directly above the garage
door. The door operator's header bracket
must be securely fastened to this wall. Insure
that the structure will provide a strong mounting
location.
Check to see if the mounting location
for the Safe-T-Beam ® System "STB" is
clear from obstruction and has a wood
surface available for attaching the "STB"
brackets. The brackets may be attached to
concrete if necessary but extra tools and special
fasteners (not supplied) will be required.
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Is your garage door made of
light-weight steel, aluminum, fiberglass
or glass panels? Additional support bracing
must be added to these type doors. If this is the
case, please contact the door distributor or
manufacturer so that they can furnish you with a
"bracing kit."
To avoid damage to your door and/or
operator, make sure you disable any door
locks prior to installing your operator.
Insure that your door is properly balanced
and moving freely. SEE WARNING BELOW.
(NOT SHOWN) If your garage does not have
a separate entry door, you should consider
an emergency release kit (GER-2) for installation on
your garage door. See page B at the center of this
manual.