Instructions On Replacing Gears In Garage Door Opener

2 3 4 drive gear number of teeth.

Instructions on replacing gears in 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. 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.

I followed the instructions here and replace the main gear including shaft 41c4220a i didn t replace the worm gear. 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. Get it right the first time. Https amzn to 2uwvnkj i m working on a chain drive opener.

If yours is a belt drive you need a kit like this https amzn to 2zqns. Position a work table near the area under your motor unit to hold the garage door opener. This is a video on how to change the gear sprockets in a craftsman 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.

Drive gear bore size. Slide the outer trolley away from the inner trolley. If the door is closed push the wall. Pull the chain off the motor unit sprocket and out of the chain spreader.

Unplug the garage door opener. How to replace worn gears in a garage door opener preparation. Examine the white plastic gears. Use a step ladder to access the garage door opener s power cord and motor unit.

My garage door opener 1 2 hp craftsman model 13953600 has grinding noise when door open close. Remove the outer nut and lock washer from the trolley threaded shaft and pull the threaded shaft out of the trolley. Lay the chain out on the garage floor while you complete the repair. This gear kit on amazon.

Lower the motor unit down. This was a craftsman model 139 53976srt. Pull the emergency release rope and then shut the garage door by hand. 1 2 drive gear outside diameter.

Do the edges appear to be worn down or shredded. The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor. Replacing a garage door opener gear is not a difficult project but does require some care and attention to detail. Although the gear is stripped it will still turn in the same direction it normally turns to open the door.

It is easier to replace the gear with the opener trolley in the up position.