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Assembly
1 Attach the Rail to the Garage Door Opener
To avoid SERIOUS damage to garage door opener, use ONLY the 1/4"-20x1-3/4" self-threading
screws provided.
To avoid installation difficulties, do not run the garage door opener until instructed to do so.
1. Place the motor unit on packing material to protect the cover, and rest the back end of the rail
on top. For convenience, put a support under the front end of the rail.
2. Ensure that the chain spreader is installed.
3. Place the rail onto the motor unit. Loop the chain around the sprocket. The sprocket teeth must
engage the chain.
4. Align the screw holes in the rail with the holes on top of the motor unit. Use a 1/4" socket to
fasten the rail with the screws.
5. Attach the outer trolley to the rail and then slide into place over the inner trolley.
HARDWARE
Self-Threading Screw
1/4"-20x1-3/4"
Outer
Trolley
Inner
Trolley
IMPORTANT: Use ONLY
provided in a separate bag
inside the hardware bag.
Rail
Tab
6
Sprocket
Chain spreader
the 1/4"-20x1-3/4"
self-threading screws
Packing
Material
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