Quote:
Originally Posted by rfuerst911sc
Your garage springs will stop the door from slamming down ( I think ) if the belt breaks .
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I '
think' the door should rest in the middle or lower 3/4 with proper spring tension, but not sure.
-too little and the motor drive is overworked.
-too much and the L/R balance will be off. plus premature wear. same result.
https://www.wikihow.com/Adjust-a-Garage-Door-Spring doesn't say