Pull the chain off the motor unit sprocket and out of the chain spreader.
Garage door opener chain gear.
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See full descriptions for garage door opener compatibility by model numbers.
Replacement gears and sprockets for genie model garage door openers.
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Slide the outer trolley away from the inner trolley.
Remove the outer nut and lock washer from the trolley threaded shaft and pull the threaded shaft out of the trolley.
Lay the chain on the garage floor while you complete the repair.