Instructions On Replacing Gears In Garage Door Opener

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

Instructions on replacing gears in garage door opener.

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

Although the gear is stripped it will still turn in the same direction it normally turns to open the door. This gear is situated between the belt and the motor drive. Drive gear bore size. Examine the white plastic gears.

If yours is a belt drive you need a kit like this https amzn to 2zqns. If so you will. 2 3 4 drive gear number of teeth. Do the edges appear to be worn down or shredded.

Remove the outer nut and lock washer from the trolley threaded shaft and pull the threaded shaft out of the trolley. On first few moves the door opens closes fine without any noise but the noise comes out again afterwards. Get it right the first time. Unplug the garage door opener.

How to replace worn gears in a garage door opener preparation. This is a video on how to change the gear sprockets in a craftsman garage door opener. Position a work table near the area under your motor unit to hold the garage door opener. I don t know what it is.

1 2 drive gear outside diameter. This gear kit on amazon. Pull the chain off the motor unit sprocket and out of the chain spreader. 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. 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. Replacing a garage door opener gear is not a difficult project but does require some care and attention to detail.

Lower the motor unit down. If the door is closed push the wall. Lay the chain out on the garage floor while you complete the repair. 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.

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.