Instructions On Replacing Gears In Garage Door Opener

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

Instructions on replacing gears in garage door opener.

It is easier to replace the gear with the opener trolley in the up position. On first few moves the door opens closes fine without any noise but the noise comes out again afterwards. If yours is a belt drive you need a kit like this https amzn to 2zqns. This was a craftsman model 139 53976srt.

Get it right the first time. Although the gear is stripped it will still turn in the same direction it normally turns to open the door. This gear kit on amazon. 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. Unplug the garage door opener. Garage door opener won t open all the way fix. Lay the chain out on the garage floor while you complete the repair.

2 3 4 drive gear number of teeth. 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. Pull the emergency release rope and then shut the garage door by hand. Drive gear bore size.

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. Replacing a garage door opener gear is not a difficult project but does require some care and attention to detail. Position a work table near the area under your motor unit to hold the garage door opener. Pull the chain off the motor unit sprocket and out of the chain spreader.

1 2 drive gear outside diameter. I don t know what it is. I followed the instructions here and replace the main gear including shaft 41c4220a i didn t replace the worm gear. The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.

Https amzn to 2uwvnkj i m working on a chain drive opener. If so you will. Lower the motor unit down. Remove the outer nut and lock washer from the trolley threaded shaft and pull the threaded shaft out of the trolley.

How to replace worn gears in a garage door opener preparation. If the door is closed push the wall. 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. Remove the chain and cable assembly.

Examine the white plastic gears.