How Do You Adjust The Chain Drive On A Garage Door?
you will learn how to adjust a chain on a garage door first lower the door so there is no tension on the chain the chain is connected by a threded rod usually on the rihgt hand side if you are standing at the door facing the motor loose the two nuts holding one while loosening the othe procede by turning the rod until there is enough tension so the chain cant be pulled down too far you should have some slack usually about an 1 1/2 deflection ( this means if you held a straight edge against the chain you could pull the chain outward about 1 1/2 inches toward you) after adjustments are made retighten nuts using 2 wrenchs then test door making sure it dosent bind on the way up or down
