ASSEMBLY STEP 5
Set the Tension
• Insert a screwdriver tip into one of the nut ring slots
and brace it firmly against the trolley.
• Place a 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.
You have now finished assembling your garage door
opener. Please read the following warnings before
proceeding to the installation section.
Square
End
S j
Trolley
Nut Ring
I AFTERRE'EASE
1-1/4"
(2.5 cm) (3.18 cm)
Nut Rin(
INSTALLATION
IMPORTANT INSTALLATION INSTRUCTIONS
To reduce the risk of SEVERE INJURY or DEATH:
1. READAND FOLLOWALL INSTALLATIONWARNINGS
AND INSTRUCTIONS.
2. Install garagedoor opener ONLYon properly balanced
and lubricated garagedoor. An improperly balanceddoor
may not reversewhen required and could result in
SEVEREINJURYor DEATH.
3. ALL repairsto cables,spring assembliesand other
hardware MUSTbe madeby a trained door systems
technician BEFOREinstalling opener.
4. Disable ALL locks and remove ALL ropes connectedto
garage door BEFOREinstalling openerto avoid
entanglement.
5. Install garagedoor opener 7 feet (2.1 m) or more above
floor.
6. Mount emergency releasehandle6 feet (1.8 m) above
floor.
7. NEVERconnect garage door openerto power source until
instructed to do so.
8. NEVERwear watches, rings or loose clothing while
installing or servicing opener.They could becaught in
garagedoor or opener mechanisms.
9. Install wall-mounted garagecontrol console:
• within sight of the garage door.
• out of reachof children at minimum height of 5 feet
(1.5 m).
• away from ALL moving parts of the door.
10. Placeentrapmentwarning label on wall next to garage
control console.
11. Placemanual release/safetyreversetest label in plain
view on inside of garage door.
12. Upon completion of installation, test safety reversal
system. Door MUSTreverse on 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
BEFOREperforming ANYservice or maintenance.
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