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Safety Symbol and Signal Word Review
This garagedooropenerhasbeendesignedand tested to offer safe service provided it is installed,
operated, maintainedand tested in strict accordance with the instructionsand warnings contained in this
manual.
When you see these Safety Symbols and Signal Words on the following pages, they will alert you to the
possibility of serious injury or death if you do not comply with the warnings that accompany them. The
hazard may come from something mechanical or from electric shock. Read the warnings carefully.
Mechanical
Electrical
When you see this Signal Word on the following pages, it will alert you to the possibility of damage to
yourgaragedoorand/or the garagedooropener if you do not comply with the cautionary statements that
accompany it. Read them carefully.
Unattended Operation
Any device or feature that allows the door to close withoutbeing in the line of sight of the door is
considered unattended close. Devices that allow unattendedoperation are to be used ONLY with
sectionaldoors.
Check the Door
To preventpossible SERIOUS INJURY or DEATH:
lALWAYS call a traineddoorsystems technician if garagedoor binds, sticks, or is outofbalance.
An unbalanced garagedoor may NOT reverse when required.
lNEVER try to loosen, move or adjust garagedoor, door springs, cables, pulleys, brackets or their
hardware, ALL of which are underEXTREME tension.
lDisable ALL locksand remove ALL ropes connected to garagedoorBEFORE installation and
operating garagedooropener to avoid entanglement.
lDO NOT install on a one-piece door if using devices or features providing unattended close.
Unattendeddevices andfeatures are to be used ONLY with sectionaldoors.
To preventdamage to garagedoorandopener:
lALWAYS disable locksBEFORE installing andoperating the opener.
lONLY operate garagedooropener at 120 V, 60 Hz to avoid malfunction anddamage.
Before you begin:
1. Disable locksand remove any ropes connected to the garagedoor.
2. Lift the doorhalfway up. Release the door. If balanced, it should stay
in place, supported entirely by its springs.
3. Raise and lower the door to check for binding or sticking. If yourdoor
binds, sticks, or is outofbalance, call a traineddoorsystems
technician.
4. Check the seal on the bottom of the door. Any gapbetween the floor
and the bottom of the door must not exceed 1/4 inch (6 mm).
Otherwise, the safety reversal system may not work properly.
5. The opener should be installed above the center of the door. If there
is a torsion spring or center bearing plate in the way of the header
bracket, it may be installed within 4 feet (1.2 m) to the left or right of
the door center. See page 11.
Spring
OR
Preparation
