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ASSEMBLY STEP 5
Tighten the Chain and Cable
• Spin the inner nut and lock washer down the trolley
threaded shaft, away from the trolley.
• To tighten the chain, turn outer nut in the direction
shown. AS YOU TURN THE NUT, KEEP THE CHAIN
FROM TWISTING.
• When the chain is approximately 13 mm above the base
of the T-rail at its midpoint, re-tighten the inner nut to
secure the adjustment.
Sprocket noise can result if chain is either too loose
or too tight.
NOTE: When installation is complete, you may notice
some chain droop with the door closed. This is normal. If
the chain returns to the position shown when the door is
open, do not re-adjust the chain.
NOTE: During future maintenance, ALWAYS pull the
emergency release handle to disconnect trolley before
adjusting chain.
You have now finished assembling your garage door
opener. Please read the following warnings before
proceeding to the installation section.
INSTALLATION
IMPORTANT INSTALLATION INSTRUCTIONS
To reduce the risk of SEVERE INJURY or DEATH:
1. READ AND FOLLOW ALL INSTALLATION WARNINGS
AND INSTRUCTIONS.
2. Install garage door opener ONLY on properly balanced
and lubricated garage door. An improperly balanced door
may NOT reverse when required and could result in
SEVERE INJURY or 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 2.1 m or more above floor.
6. Mount the emergency release within reach, but at least
1.8 m above the floor and avoiding contact with vehicles
to avoid accidental release.
Outer Nut
To Tighten Outer Nut
WARNING
7. NEVER connect garage door opener to power source
until instructed to do so.
8. NEVER wear 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 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 reverse on contact with a 38 mm
obstruction on the floor.
15
Lock
Washer
Inner Nut
To Tighten
Inner Nut
Chain
13 mm
Base of Rail
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