Call me cRaZy
If you need to find ever 1/4 turn on the dampener,make a piece of paper of about a 1/2 wide to rap around the dampener.Cut it so the ends butt up against each other,and then fold it in half and mark it,and fold it half again and mark it.Transfer the marks from the tape to the dampener after lining the ends up with tdc,Mrmopartech