Instructions On Replacing Gears In Garage Door Opener

Unplug the garage door opener.

Instructions on replacing gears in garage door opener.

Use a step ladder to access the garage door opener s power cord and motor unit. If so you will. 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.

Lower the motor unit down. Although the gear is stripped it will still turn in the same direction it normally turns to open the door. Remove the chain and cable assembly. 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.

Slide the outer trolley away from the inner trolley. Position a work table near the area under your motor unit to hold 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. Garage door opener won t open all the way fix.

If yours is a belt drive you need a kit like this https amzn to 2zqns. If the door is closed push the wall. Drive gear bore size. I followed the instructions here and replace the main gear including shaft 41c4220a i didn t replace the worm gear.

Examine the white plastic gears. On first few moves the door opens closes fine without any noise but the noise comes out again afterwards. How to replace worn gears in a garage door opener preparation. 1 2 drive gear outside diameter.

2 3 4 drive gear number of teeth. Pull the chain off the motor unit sprocket and out of the chain spreader. My garage door opener 1 2 hp craftsman model 13953600 has grinding noise when door open close. Get it right the first time.

This gear is situated between the belt and the motor drive. 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. Https amzn to 2uwvnkj i m working on a chain drive opener.

This was a craftsman model 139 53976srt. This gear kit on amazon. 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.

Replacing a garage door opener gear is not a difficult project but does require some care and attention to detail.