Adjustment stardard: the distance between fixed knife and needle plate hole is 0.3-0.5mm.
Adjustment influence: if the distance between the fixed knife and the needle plate hole is too
close, the thread breakage will happen when you sew.
Adjustment method:
1.Lose the fixed knife fasten screw.
2. Adjust fixed knife, make the distance
between the fixed knife and the needle
plate hole to 0.3-0.5mm and then
fasten the screw.
19.0：Adjustment of the position of lower line fixed knife
fixed knife fasten screw
fixed
knife
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