If there is a lock nut and adjusting nut, I tighten the adjusting nut (while rotating the drum) to 50 lb. torque,back off nut 1/4 turn. Tighten lock nut to 75 lb. and let it go.

If it is a single nylon insert lock nut I tighten it to 50 lb. and back off 1/4 ... Login to read more.