–
60
–
G-1) Being used.
H-1) Spreader thread tension is too strong.
I-1)
Stitch skip occurs before thread
breakage produced by needle heat.
J-1)
Incorrect clearance adjustment,
incorrect returning amount adjustment
K-1)
Incorrect contact amount, incorrect
height
A-1) Incorrect shape of pointed end of
looper disables scooping a loop.
B-1) Needle bend, incorrect needle
mounting direction, wrong needle
C-1) Being used.
D-1) Height is too low.
E-1) Height is too low.
F-1)
Incorrect threading
G-1) Being used.
H-1) Too near to the left needle
I-1)
Stitch skip occurs before thread
breakage produced by needle heat.
J-1)
Incorrect clearance adjustment,
incorrect returning amount
K-1)
Incorrect contact amount, incorrect
height
Do not use.
Reduce the tension.
Same described in page “Thread breakage by
needle heat”
Refer to the standard adjustment figures.
Refer to the standard adjustment figures.
Replace it with the genuine part.
Replace the needle with new one, Correct the
mounting direction, Use UY128GAS.
Do not use nipper.
Correct height position to appropriate height.
Refer to standard adjustment.
Refer to threading diagram.
Do not use.
Refer to the standard adjustment figures.
Same described in page “Thread breakage by
needle heat”
Refer to the standard adjustment figures.
Refer to the standard adjustment figures.
2-G) Needle thread guard
2-H) Spreader
2-I)
Needle heat
2-J)
Looper adjustment
2-K)
Needle guard, front and rear
3-A)
Looper
3-B)
Needle
3-C) Auxiliary thread tention adjustment
3-D) Needle thread guide rod
3-E)
Needle height
3-F)
Threading
3-G) Needle guard
3-H) Spreader
3-I)
Needle heat
3-J)
Looper adjustment
3-K)
Needle guard, front and rear
Troubles (1)
Troubles (2)
Cause (1)
Cause (2)
Corrective measures
From the previous page
From the previous page
To the next page
Left
Right
Left
Right
5-3)
Looper does not scoop
the left needle thread.
