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1. Adjustment of the needle bar height
(1) Remove the needle bar, roller cover, surface cover, and packing.
(2) Loosen the setscrew and adjust the needle bar position
vertically.
(3) After adjustment, tighten the setscrew .
(Caution) Use caution not to rotate the needle bar at adjustment
of needle bar height.
Failure to observe this changes needle entry positions.
o Remarkably improper needle bar
height adjustment may cause
stitch skipping, needle breakage,
or thread breakage.
Adjustment Procedures Results of Improper Adjustment
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