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Adjustment procedures
Results of Improper adjustment
6. Spreader thread guide
(1) Adjust the height of spreader
❶
to 7.8 to 8.2 mm. Loosen
setscrews
in the spreader thread guide and adjust the
clearance provided between the top surface of spreader
❶
and
spreader thread guide
to 0.4 to 1.0 mm.
(2) Needle clamp thread guide
Loosen setscrew
in the needle clamp thread guide and ad-
just the clearance provided between the needle clamp thread
guide
and spreader thread guide
to 0.8 to 1.2 mm.
(3) For the lateral direction, align the hole of needle clamp thread
guide
to the prolonged line of the slot of spreader thread
guide
.
(Caution) When adjusting spreader thread guide
in the lat-
eral direction, check whether there is any contact at
section
D
(left side of spreader thread guide
and
needle clamp
).
◦ When height or position of the
spreader thread guide
is im-
proper, stitch skipping of spread-
er thread will be caused.
◦ When height or position of the
needle clamp thread guide
is improper, stitch skipping of
spreader thread will be caused.
