Janome JP720, Руководство по обслуживанию

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When the machine is set for zigzag stitch (maximum zigzzag width) at the right needle position, the
amount of ascending travel of the needle bar from its lowest position at the right needle drop to the
position where the tip of the hook meets the right side of the needle should be 1.4 – 2.0mm.
1.Remove the needle plate and bobbin holder.
2.Turn on the power switch, select the pattern (simple zigzag). (maximum zigzag width)
3.Remove the bed cover.
4.Turn the handwheel toward you, and set the needle bar at the lowest position.
5.Loosen the setscrews on the lower shaft timing gear .
6.Raise the needle bar 1.6 mm from the lowest position of the needle bar.
7.Turn the lower shaft timing gear until the tip of hook meets with the right side of needle.
8.Tighten the setscrews on lower shaft timing gear.
9.Attach the bed cover, bobbin holder and needle plate.
Needle #14
1.4–2.0 mm
Lowest needle
position
Mechanical Adjustment
Needle to hook timing
q
q
w
w
e
e