Originally Posted by
blades
Not too difficult for the trained eye to determine the jaw order: look at each jaw. The first tooth that engages the scroll when you put it in the slot will be spaced differently on each jaw. The jaw with the start tooth closest to the inside clamping surface of the jaw goes in first. Then advance the scroll around to the second slot, and put the middle jaw in. Then advance the scroll again to the 3rd slot, and put the remaining jaw in. This jaw should have the start tooth the farthest from the inside grip surface of the jaw.
If none of this makes any sense, just line up all 3 jaws with the teeth facing upward, and you will see the difference.