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Adjustment Procedures
1. Adjustment of drawing amount of upper feed roller
(1) Loosen the nut
(spanner: 3/8), tighten the nut
the clutch connecting rod
o When the clutch connecting rod
the material cloth is increased.
o When the clutch connecting rod
for the material cloth is decreased.
vertically.
is raised, the amount of draw for
is lowered, the amount of draw
– 37 –
Results of Improper Adjustment
o If the amount of draw for the upper
after adjusting
feed roller
conjunction with the sewing feed
amount, the number of stitches is
increased.
o If the amount of draw for the upper
feed roller
problem occurs and this is a
cause of feed error. In particular,
this problem occurs around the
hinged section.
is too much in
is too less, sewing
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