Brother PR-600 - Manual (Page 103)

OTHER BASIC PROCEDURES ——————————————————————————————————————————————————
84
Adjusting the tension of the
upper thread
1
Turn the thread tension knobs.
1 Thread tension knobs
2 Tighter
3 Looser
4 Mark
■ Upper thread is too tight
The tension of the upper thread is too tight,
resulting in the bobbin thread being visible from
the right side of the fabric.
Turn the knob in the direction of the arrow to
decrease the tension of the upper thread.
1 If the red line is visible, the thread tension cannot
be decreased any further. Increase the tension of
the upper thread.
Note
● If you decrease the thread tension further
than the red line, the tension knob may be
dis-assembled.
■ Upper thread is too loose
The tension of the upper thread is too loose,
resulting in a loose upper thread, loose thread
locks or loops appearing on the right side of the
fabric.
Turn the knob in the direction of the arrow to
increase the tension of the upper thread.
3
2
4
1
(Right side) (Wrong side)
(Right side) (Wrong side)
Sapphire.book Page 84 Friday, August 1, 2003 9:12 AM