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(14) Adjustment of drawing amount of upper feed roller
1. Drawing amount of upper feed roller
The standard amount of draw for the upper feed roller
is defined to cause a slight pulling force for the
sewing length (8 stitches/inch) of the feed dog.
The clutch connecting lever
and the clutch set are connected. The amount of draw for the material
cloth can be changed by moving the clutch connecting rod vertically.
Vertical direction
Standard Adjustment
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