Sec. 5 Needle Position At Zigzag Stitching - Singer 7422 Service Manual

Sec. 5 Needle position at zigzag stitching

Checking:
1. Set test mode at 1.
2. Turn hand wheel by hand and see if needle leaves the same clearance at both right
and left end of needle plate hole.
a＝b
a
b
Adjustment:
1. Loosen hex screw (A) and adjust needle position by turning eccentric pin using 7mm
wrench.
A
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