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.
How to fix a belt drive garage door opener.
In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor.
A belt drive garage door opener is one of the 3 types of door openers available to home owners the other two the chain driven and the screw drive openers have their own specific uses and application.
Once you have the belt fully disassembled you can inspect the belt for repair.
The belt should be free now.
Step 7 check for repair.
Check the owner s manual for those details.
Since the garage door one of the largest moving parts in your home and an entry point for your home you want to feel confident that everything is going to work the way it should.
The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.