63
Stitch Skip
①
Crooked needle
②
Inappropriate needle for the
thread used
③
Installation of wrong needle
④
Inappropriate needle and
hook timing
⑤
Wide distance between the
groove of the needle and
the hook point
⑥
Inappropriate lowest point
of the needle
⑦
Damaged hook point
⑧
Inappropriate supply of the
upper or lower thread
⑨
Inappropriate thread use
■
Too strong thread twist
■
Too elastic thread
■
Too flexible thread
⑩
Excessive moving scope or
too strong tension of the
thread take-up lever spring
⑪
Too weak pressure of the
presser foot or the damaged
presser foot spring, so that
the embroidery fabric
moves along with the
movement of the needle.
■
Replace the needle
■
Use the appropriate size of
the needle
■
Properly install the needle
■
Readjust the timing of the
needle and the hook
■
Readjust the distance
■
Readjust the lowest point of
the needle
■
Correct the hook point with
the whetstone or replace the
hook
■
Readjust the tension of the
upper or lower thread
■
Replace the bobbin or the
bobbin case in case of the
lower thread
■
Choose appropriate threads
for embroidery
■
Adjust the stroke and the
tension of the thread take-
up spring
■
Replace the presser foot
pressing spring
Corrective Action and Check Point
Cause of Trouble
Type
Remarks