Instructions On Replacing Gears In Garage Door Opener

Slide the outer trolley away from the inner trolley.

Instructions on replacing gears in garage door opener.

This was a craftsman model 139 53976srt. Get it right the first time. Replacing a garage door opener gear is not a difficult project but does require some care and attention to detail. Lay the chain out on the garage floor while you complete the repair.

Garage door opener won t open all the way fix. Drive gear bore size. Use a step ladder to access the garage door opener s power cord and motor unit. Pull the emergency release rope and then shut the garage door by hand.

If so you will. Replace the main gear drive if the garage door opener makes a grinding noise but the door doesn t move your main drive gear is probably toast. Remove the chain and cable assembly. 1 2 drive gear outside diameter.

My garage door opener 1 2 hp craftsman model 13953600 has grinding noise when door open close. If yours is a belt drive you need a kit like this https amzn to 2zqns. Although the gear is stripped it will still turn in the same direction it normally turns to open the door. This gear kit on amazon.

Lower the motor unit down. Https amzn to 2uwvnkj i m working on a chain drive opener. On first few moves the door opens closes fine without any noise but the noise comes out again afterwards. If the door is closed push the wall.

If your garage door opener runs when you press the button but the door won t open this is likely the part that needs replacing 41a2817 drive gear. 2 3 4 drive gear number of teeth. This gear is situated between the belt and the motor drive. Do the edges appear to be worn down or shredded.

I don t know what it is. Remove the outer nut and lock washer from the trolley threaded shaft and pull the threaded shaft out of the trolley. Unplug the garage door opener. This is a video on how to change the gear sprockets in a craftsman garage door opener.

Step 1 unplug opener before doing any work on the garage door opener you must unplug the opener to guard against the possibility of an accident. It is easier to replace the gear with the opener trolley in the up position. I followed the instructions here and replace the main gear including shaft 41c4220a i didn t replace the worm gear. How to replace worn gears in a garage door opener preparation.

Pull the chain off the motor unit sprocket and out of the chain spreader.