The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.
How do you fix a garage door opener that won t stay closed.
T his is a pretty uncommon problem but one that can happen after you ve first installed your garage door opener.
As you suggested you likely just need to adjust the down limit travel or the closing force.
When the garage door opens about halfway or 5 feet from the ground and stops the up limit switch needs to be adjusted.
When your garage door won t stay closed and you ve done everything to repair it then it s time for a replacement.
It s important to get this switch at just the right distance from the motor so that the door is able to close all the way but the motor also knows to stop running.
This is related to the up limit switch.
Open the garage door and watch it closely as it opens.
These troubleshooting tips should work if nothing else is wrong with your garage door.
All the garage doors are customized to fit into the opening and they come in a variety of different colors to bring out the curb appeal.
If you could provide me with the make and model of your garage door opener i should be able to get you a specific answer about your garage door not staying closed.
It s frustrating to have a garage door that won t stay closed.
At feldco we have everything from standard to carriage garage doors.
However if the door continues to bounce back open after rotating the screw four or five complete turns you could have a damaged limit switch assembly.
When your garage door opener suddenly stops operating properly the cause of the problem is usually pretty simple to understand and the solution is usually quite easy.
If none of the following fixes seem to correct the problem you will need to consult the owner s manual or contact a professional.
Try making small adjustments.
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.