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The needle should start to swing between 6.3 to 7.5 mm above the surface of the needle plate
when the machine is set for zigzag stitching.
1. Remove the top cover (see page 8).
2. Turn on the power switch, select the pattern No. 2 and set the machine at the maximum zigzag
width.
3. Turn the handwheel toward you slowly with your hand until the needle start to swing. Loosen
the setscrew and turn the upper shaft shield plate in the direction of.
4. A if the swing point is higher than 7.5 mm.
5. B if the swing point is lower than 6.3 mm.
6. Push the upper shaft shield plate as close as possible to the left. (It should not touch the upper
shaft sensor).
7. Check the swing point by turning the handwheel, then tighten the setscrew.
8. Attach the top cover.
ZIGZAG SYNCHRONIZATION
19
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