98
Thread breaks
⑦
Bad thread (weak, uneven
thickness, poorly twisted,
old)
⑧
Right-twisted thread
⑨
Excessive thread tension
⑩
Tension imbalance between
upper and lower threads
⑪
Excessive tension & stroke
on take-up spring
■
Change thread
■
Change to left-twisted
thread
■
Adjust tension
■
Adjust tension
■
Adjust tension and stroke
Check selecting thread
※
Selecting thread
■
Select soft, tight, and
stable thread with
even thickness and
left-twist
■
Z-twist: left
■
S-twist: right
■
See 8.1.9) (p.30)
■
See 8.1.9) (p.30)
■
See 8.1.9) 3) (p.35)
Inspection & Repair
Cause
Error Type
Reference
Содержание SWF/TA-WJ614-100
Страница 51: ...52 6 Frill bobbin embroidery User direction 7 Standing bobbin embroidery User direction ...
Страница 60: ...61 11 1 2 Outside the Control Box Terminal for tape reader and winder Fuse for picker solenoid power ...
Страница 63: ...64 11 4 TRIMMING MOTOR DRIVE DC power Signal cable Motor control cable AC power ...