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Safety Symbol and Signal
Word Review
Thisgarage door opener hasbeen designed and
tested to offer safe service provided itisinstalled,
operated,maintained and tested in strict
accordance with the instructionsand warnings
contained in this manual.
When you see these SafetySymbolsand Signal
Wordson the following pages,theywill alertyou
to the possibilityofserious injury ordeath ifyou
do not complywith the warningsthataccompany
them. The hazard may come fromsomething
mechanical or fromelectricshock.Read the
warningscarefully.
Mechanical
Electrical
When you see thisSignal Word on the following
pages, itwill alert you to the possibilityofdamage
to your garage door and/or the garage door
opener ifyou do notcomplywith the cautionary
statementsthataccompanyit.Read them
carefully.
Check the Door
1. Disable locksand remove anyropes
connected to the garage door.
2. Liftthe door halfwayup.Release the
door.If balanced,it should stayin
place,supported entirelyby itssprings.
3. Raise and lower the door to checkfor
binding or sticking.Ifyour door binds,
sticks,or isoutof balance,call atrained
door systemstechnician.
4. Check the seal on the bottom ofthe
door.Anygap between the floor and
the bottomof the door mustnot exceed
1/4 inch (6 mm).Otherwise, the safety
reversal systemmaynotworkproperly.
5. The opener should be installed above
the center ofthe door.If there isa
torsion spring or center bearing plate
in the wayofthe header bracket, itmay
be installed within 4 feet(1.2 m) to the
leftor rightofthe door center.
See page 13.
Torsion Spring
Extensi
on Spring
OR
To preventpossible SERIOUSNJURYor
DEATH:
• ALWAYS call a trained door systems
technician ifgarage door binds,sticks,or
isoutofbalance. An unbalanced garage
door mayNOT reverse when required.
• NEVER tryto loosen,move or adjust
garage door,door springs,cables,
pulleys,bracketsor their hardware,
ALLofwhich are under
EXTREMEtension.
• Disable ALLlocksand remove ALLropes
connected to garage door BEFORE
installation and operating garage door
opener to avoid entanglement.
To preventdamage to garage door and
opener:
• ALWAYS disable locksBEFORE
installing and operating the opener.
• ONLY operate garage door opener at
120 V, 60 Hzto avoid malfunction and
damage.
Preparation