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ASSEMBLY STEP 5
Set the Tensionand Install theSprocketCover
1. Byhand,thread the spring trolley nut on the threaded shaft
until it is finger tight against the trolley. Do not use anytools.
2. Removethe screwdriver.
3. Inserta flathead screwdriver tip into one of the nut ring slots
and brace it firmly against the trolley.
4. Tighten the spring trolley nut with an adjustable wrench or a
7/16" open end wrench about a quarterturn until the spring
releasesand snaps the nut ring against the trolley. This sets
the spring to optimum belt tension.
5. Position the sprocket cover over the garagedoor opener
sprocket and attachwith 8x3/8" hex screws.
Youhave nowfinishedassemblingyourgaragedoor opener.
Please read thefollowing warningsbeforeproceedingto the
installationsection.
HARDWARESHOWNACTUALSIZE
HexScrew 8x3/8"
Spring/Trolley Nut
HexScrews
Nut Ring
Sprocket
i.,_ FTER1-1/4"
(3.18 cm)
Nut Ring
INSTALLATION
IMPORTANTINSTALLATIONINSTRUCTIONS
To reducetheriskof SEVEREINJURYor DEATH:
1. READAND FOLLOWALL INSTALLATIONWARNINGSAND
INSTRUCTIONS.
2. Install garage door opener ONLYon properly balancedand
lubricated garagedoor. An improperly balanceddoor may
NOTreversewhen required and could result in SEVERE
INJURYor DEATH.
3. ALL repairsto cables,spring assembliesand other hardware
MUSTbe made by a trained door systems technician
BEFOREinstalling opener.
4. DisableALL locks and removeALL ropes connectedto
garagedoor BEFOREinstalling opener to avoid entanglement.
5. Install garage door opener 7 feet (2.1 m) or more above
floor.
6. Mount the emergency releasewithin reach, but at least 6 feet
(1.83 m) abovethe floor and avoiding contact with vehicles
to avoid accidental release.
7. NEVERconnectgarage door opener to power source until
instructed to do so.
8. NEVERwear watches, rings or looseclothing while installing
or servicing opener.They could be caught in garage door or
opener mechanisms.
9. Install wall-mounted garagedoor control:
• within sight of the garagedoor.
• out of reachof children at minimum height of
5 feet (1.5 m).
• away from ALL moving parts of the door.
10. Placeentrapment warning labelon wall next to garage door
control.
11. Placemanual release/safetyreversetest label in plain view
on inside of garagedoor.
12. Uponcompletion 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 thefloor.
13. To avoid SERIOUSPERSONALINJURYor DEATHfrom
electrocution, disconnect ALL electric and battery power
BEFOREperforming ANYserviceor maintenance.
14. DONOTenablethe Timer-to-Close functionality if operating
either one-pieceor swinging garagedoors. To be enabled
ONLYwhen operating a sectional door.
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