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ASSEMBLY
STEP
5
Set the Tension
• Insert a screwdriver tip into one of the nut ring slots and brace
it firmly against the trolley.
• Placea 7/16" open end wrench on the square end. Rotate the
nut about 1/4 turn until the spring releases and snaps the nut
ring against the trolley.
This sets the spring to optimum belt tension.
Youhave now finished assemb/ingyour garage door opener.
P/ease read the fo//owing warningsbeforeproceedingto the
insta//at/on section.
Square
End
Nut Rin(
Trolley
Nut Ring
INSTALLATION
IMPORTANT
INSTALLATION
INSTRUCTIONS
To reduce the risk of SEVERE INJURY or DEATH:
1. READAND FOLLOWALL INSTALLATION WARNINGS
AND INSTRUCTIONS.
2. Install garage door opener ONLYon properly balanced
and lubricated garage door. An improperly balanced door
may not reverse when required and could result in
SEVEREINJURYor DEATH.
3. ALL repairs to cables, spring assemblies and other
hardware MUST be made by a trained door systems
technician BEFORE installing opener.
4. Disable ALL locks and remove ALL ropes connected to
garage door BEFORE installing opener to avoid
entanglement.
5. Install garage door opener 7 feet (2.1 m) or more above
floor.
6. Mount emergency releasehandle 6 feet (1.8 m) above
floor.
7. NEVERconnect garage door opener to power source until
instructed to do so.
8. NEVERwear watches, rings or loose clothing while
installing or servicing opener. They could be caught in
garage door or opener mechanisms.
9. Install wall-mounted garage door control:
* within sight of the garage door.
* out of reach of children at minimum height of
5 feet (1.5 m).
* away from ALL moving parts of the door.
10. Place entrapment warning label on wall next to garage
door control.
11. Place manual release/safety reverse test label in plain
view on inside of garage door.
12. Upon completion of installation, test safety reversal
system. Door MUST reverseon contact with a
1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on the
floor.
13. To avoid SERIOUSPERSONALINJURYor DEATHfrom
electrocution, disconnect ALL electric and battery power
BEFORE performing ANY service or maintenance.
11
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