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3. Position the driver so that the bushing is aligned to the front of the
support shaft and the driver ring is centered with the hole in the
needle plate. Reference the ring’s frame location tab.
4. Place a business card of medium to heavy stock (or equivalent) be-
tween the needle plate and the driver ring. This will act as a spacer.
The ring should just rest on the card.
5. Making sure the edges of the two black brackets are aligned, tight-
en one of the upper screws.
6. Tighten the opposite screw securing the bearing mounting block.