Brother BAS-600 - Page 103

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Loose threads
Excessive
puckering
Same as "Thread breaks, skipped stitches"section on the preceding page. Also other
r-
causes are lised below.
~H Bobbin stuks.
Replace bobbin.
J
J
See "Adjusting binde
Excessive binder and slide
vertical and horizonta
.....
position."
plate gap.
~
Needle thread tension is
t-- Needle thread tension.
~
Set it as week as possible.
,.... too high.
Bobbin thread tension
is
~
Bobbin thread tension.
1--
Set it as week as possible.
~too high.
Thread take-up spring is Thread take-up spring ,__ Set it as week as possible.]
~ 1-- .
too strong. tens1on.
Thread take-up spring
t--
Thread .take-up spring
._
Set it as small as possible .
t- stroke is too large.
stroke.
!-
Improper
cloth guide
See "Adjusting cloth
guide height• (page 56).
t- height.
Sewing speed is too fast.
Decrease sewing speed. J
(Replace motor pully with
~
smaller one.)
(Motor speed is too fast.)
Improper binder
and
See • Adjusting binde~
vertical and horizontal
r-
position" (page 55).
slide plate gap.
• Using polyester thread.
Replace with spun con]
thread.
-99-
From the library of: Superior Sewing Machine & Supply LLC