JUKI AMB-289, Engineer'S Manual

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4. Thread at the start of sewing 4-1) Thread path components 1-A) Threading is improper. Check threading.
fails to interlace. are improper.
5. Thread after thread trimming 5-1) Thread trimming failure 1-A) Thread trimming position is Adjust thread trimming position with point setting mode of
fails to interlace at the start improper. step motion since two threads on looper may be cut
of sewing. (thread trimming failure).
o Thread is not cut at the end of sewing.
→ Adjust S535 [Longitudinal position of thread trimming
of neck wrapping sewing] in the plus direction. Standard
is 0.3 unit.
o Thread is not cut at button sewing.
→ Adjust S534 [Longitudinal position of thread trimming
of button sewing] in the plus direction. Standard is 0.3
unit.
6. Thread is not trimmed. Wiper 6-1) Thread trimming failure 1-A) Thread trimming position is Adjust thread trimming position with point setting mode of
trims thread. improper. step motion since there is the possibility of thread
trimming failure.
o Thread is not trimmed at the end of sewing.
→ Adjust S535 [Longitudinal position of thread trimming
of neck wrapping sewing] in the plus direction.
Standard is 0.3 unit.
o Thread is not trimmed at button sewing.
→ Adjust S534 [Longitudinal position of thread trimming
of button sewing] in the plus direction.
Standard is 0.3 unit.
Trouble Cause (1) Cause (2) Inspecting order and adjusting procedure