32
Adjustment of respective parts
6.Needle sideways movement
[Condition]
<SD>
Pattern selection dial: "11"
<2D>
Pattern selection dial: "7"
<3D>
Pattern selection dial: "3"
Stitch width lever: "5"
[Diagnosis]
1. When the needle travels from left to right,
measure the distance (A) from the surface of
needle plate to the needle point.(Fig. 1)
[Standard]
<SD, 2D>
A = 5 to 7 mm
<3D>
A = 3 to 5 mm (Fig. 1)
* Make adjustment if the diagnosis result fails to
meet the standard.
[Adjustment]
1. Remove the external panels and others to
see the adjusting section. (See:page.45)
2. Loosen the upper shaft width worm set screw,
adjust the phase of pattern cam.(Fig. 2)
3. Tighten the upper shaft width worm set
screw.(Fig. 2)
[Note]
Pay attention not to move the width worm in
the axial direction.
* Repeat the adjustment till the standard is met.
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