Instructions On Replacing Gears In Garage Door Opener

Https amzn to 2uwvnkj i m working on a chain drive opener.

Instructions on replacing gears in garage door opener.

This was a craftsman model 139 53976srt. It is easier to replace the gear with the opener trolley in the up position. How to replace worn gears in a garage door opener preparation. Unplug the garage door opener.

Slide the outer trolley away from the inner trolley. Get it right the first time. Garage door opener won t open all the way fix. I followed the instructions here and replace the main gear including shaft 41c4220a i didn t replace the worm gear.

If the door is closed push the wall. Remove the outer nut and lock washer from the trolley threaded shaft and pull the threaded shaft out of the trolley. Pull the emergency release rope and then shut the garage door by hand. This is a video on how to change the gear sprockets in a craftsman garage door opener.

This gear is situated between the belt and the motor drive. Replacing a garage door opener gear is not a difficult project but does require some care and attention to detail. Examine the white plastic gears. Use a step ladder to access the garage door opener s power cord and motor unit.

This gear kit on amazon. The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor. Pull the chain off the motor unit sprocket and out of the chain spreader. 1 2 drive gear outside diameter.

2 3 4 drive gear number of teeth. Although the gear is stripped it will still turn in the same direction it normally turns to open the door. Position a work table near the area under your motor unit to hold the garage door opener. 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. Lay the chain out on the garage floor while you complete the repair. Drive gear bore size. If yours is a belt drive you need a kit like this https amzn to 2zqns.

On first few moves the door opens closes fine without any noise but the noise comes out again afterwards. Do the edges appear to be worn down or shredded. My garage door opener 1 2 hp craftsman model 13953600 has grinding noise when door open close. I don t know what it is.

Remove the chain and cable assembly.