Lay the chain on the garage floor while you complete the repair.
Garage door chain sprocket replacement.
Helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the chain drive gears.
Remove the outer nut and lock washer from the trolley threaded shaft and pull the threaded shaft out of the trolley.
This gear and sprocket assembly is compatible with various chain drive garage door openers.
If it is the entire assembly you need just replace the assembly with your new one.
Orders 14 99 0.
If yours is a belt drive you need a kit like this https amzn to 2zqns.
Simply remove those for replacement.
Pull the chain off the motor unit sprocket and out of the chain spreader.
041c4220a is a complete chain drive gear and sprocket replacement kit.
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Replacement gears and sprockets for genie model garage door openers.
This gear kit on amazon.
Slide the outer trolley away from the inner trolley.
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