1. Depress the underscore and half cycle the machine. With the play removed in the negative direction, check where the detent contacts the element tooth.
2. Depress the comma (,) and half cycle the machine. With the play removed in the negative direction, check where detent contacts the element tooth.
If the two characters, the underscore and the comma don't detent the same, adjust the stud (87-31) up and down until they do.