easy 904 band adjustment Q

a guy posted that he loosened both nuts/shanks then tightened one till the driveshaft can just be turned with one hand then loosen it another 1/2 turn then locking it down then the same way with the other band except you turn the driveshaft the other way. I may have missed repeating something here but that is the jist of it. I am going to try this. RR