JUKI MO-114D - Trial Sewing and Tension Adjustment; Performing a Sewing Test Run; Evaluating Stitch Formation Quality

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21. Position of needle thread take-up
[Checking items]
* To adjust the needle thread loop, adjust the vertical position of the
needle thread take-up guide so that a stitch skipping may not occur
at the time of double fabric sewing.
• Thread to be used ----- Saba C 120
• Fabric to be used ------ Denim 10oz 2-6-2
• Loop amount ------------ 1.5 to 2 mm
A
[How to perform adjustment]
Mount the needle thread take-up guide
C
with reference to the follow-
ing position and adjust the clearance between the needle thread take-
up and the thread in accordance with the illustrations shown below.
○ During movement of the needle thread take-up, it shall not interfere
with the front cover and the needle thread take-up guide
C
.
○ To adjust the needle thread take-up guide
C
, loosen the setscrew
B
of the needle thread take-up guide
C
and move it up and down.
○ The needle thread take-up guide
C
shall be mounted at the position
where a washer for the setscrew part of the needle thread take-up
guide
C
is aligned with the lower end of the slit eyelet of the needle
thread take-up guide
C
.
A
C
B
To be aligned