Instructions On Replacing Gears In Garage Door Opener

Lower the motor unit down.

Instructions on replacing gears in garage door opener.

I don t know what it is. It is easier to replace the gear with the opener trolley in the up position. 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. Use a step ladder to access the garage door opener s power cord and motor unit.

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. Position a work table near the area under your motor unit to hold the garage door opener. How to replace worn gears in a garage door opener preparation.

If so you will. Pull the chain off the motor unit sprocket and out of the chain spreader. 2 3 4 drive gear number of teeth. Get it right the first time.

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. 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.

On first few moves the door opens closes fine without any noise but the noise comes out again afterwards. Remove the chain and cable assembly. 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.

The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor. Slide the outer trolley away from the inner trolley. Examine the white plastic gears. Remove the outer nut and lock washer from the trolley threaded shaft and pull the threaded shaft out of the trolley.

This gear kit on amazon. This was a craftsman model 139 53976srt. Pull the emergency release rope and then shut the garage door by hand. Https amzn to 2uwvnkj i m working on a chain drive opener.

Lay the chain out on the garage floor while you complete the repair. Do the edges appear to be worn down or shredded. Unplug the garage door opener. 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.

If the door is closed push the wall.