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17. Adjustment of needle penetration in needle plate slot
Requirement:
At straight stitch setting with needle position "center" the needle must be exactly in the center of the
needle plate slot (fig. 30).
Check:
z Remove presser foot.
z Insert a new needle.
z Set stitch width adjustment dial 70 to "0" (fig. 32).
z Set needle position adjustment dial 79 to "center".
z Turn the handwheel and check the centered position of the needle.
Adjustment:
z Loosen the three screws 75 on the zigzag-stitch unit by just 1/8 of a turn.
z Turn the handwheel until the needle point is level with the surface of the needle plate (fig. 31).
z Move the zigzag-stitch unit to the left or right until the needle is exactly in the center of the needle plate
slot (fig.32).
Note:
The zigzag-stitch unit should now be parallel to the arm shaft and clear it by 3.0 mm.
z Tighten the three screws 75.
Cross-check:
z The needle must be exactly in the center of the needle plate slot.
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