Grinding Noise Chain Not Moving On Garage Door
This excess tension causes the gear that moves the chain to grind down.
Grinding noise chain not moving on garage door. If you hear a garage door grinding noise it could be the rollers. If the garage door opener makes a grinding noise but the door doesn t move your main drive gear is probably toast. This wear could damage the roller surface causing them not to roll correctly. The door track rollers move each time you open or close the door leading to a lot of movement and causing wear.
Press the remote or the wall mounted start switch listen to the motor and watch the movement of the chain. The main drive gear is the most common component to fail on most openers the gear alone should cost you less than 20. A constant grinding noise could be a sign that your garage door opener s chain or belt is either too loose or too tight either way it needs adjusting. The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.
If the motor hums but the chain doesn t move that indicates a problem with the motor.