Slide the outer trolley away from the inner trolley.
Garage door chain sprocket replacement.
Pull the chain off the motor unit sprocket and out of the chain spreader.
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041c4220a is a complete chain drive gear and sprocket replacement kit.
Simply remove those for replacement.
If it is just a gear you are replacing you should remove it after you have unbolted assembly and replace it with a new one by going in reverse order.
This gear kit on amazon.
Helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the chain drive gears.
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Replacement gears and sprockets for genie model garage door openers.
See full descriptions for garage door opener compatibility by model numbers.
If it is the entire assembly you need just replace the assembly with your new one.
Remove the outer nut and lock washer from the trolley threaded shaft and pull the threaded shaft out of the trolley.
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