Instructions On Replacing Gears In Garage Door Opener

The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.

Instructions on replacing gears in garage door opener.

Remove the chain and cable assembly. Pull the emergency release rope and then shut the garage door by hand. Use a step ladder to access the garage door opener s power cord and motor unit. Although the gear is stripped it will still turn in the same direction it normally turns to open the door.

Garage door opener won t open all the way fix. Lay the chain out on the garage floor while you complete the repair. Slide the outer trolley away from the inner trolley. Do the edges appear to be worn down or shredded.

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. If the door is closed push the wall. 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. On first few moves the door opens closes fine without any noise but the noise comes out again afterwards.

Https amzn to 2uwvnkj i m working on a chain drive opener. Remove the outer nut and lock washer from the trolley threaded shaft and pull the threaded shaft out of the trolley. I don t know what it is. Examine the white plastic gears.

This is a video on how to change the gear sprockets in a craftsman garage door opener. My garage door opener 1 2 hp craftsman model 13953600 has grinding noise when door open close. If so you will. 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.

Get it right the first time. How to replace worn gears in a garage door opener preparation. Lower the motor unit down. This gear kit on amazon.

Position a work table near the area under your motor unit to hold the garage door opener. Drive gear bore size. Pull the chain off the motor unit sprocket and out of the chain spreader. This was a craftsman model 139 53976srt.

It is easier to replace the gear with the opener trolley in the up position. This gear is situated between the belt and the motor drive. If yours is a belt drive you need a kit like this https amzn to 2zqns. 1 2 drive gear outside diameter.

I followed the instructions here and replace the main gear including shaft 41c4220a i didn t replace the worm gear.