White 7234 - Troubleshooting Thread Tensions; Resolving Tension Imbalances

(3)
Unbalanced
lower
looper
thread
wraps
round
and
over the
face:
Tighten
the
thread
tension
of
the lower
looper
(Dial
4
)
or
loosen
the
thread
tension
of
the
upper looper
(Dial
3).
(4)
Unbalanced
left
needle
thread
too loose:
Tighten
the
thread
tension
of
the
left needle
(Dial
‘U)
or
loosen
both
looper
thread (Dial
and
4}).
(5)
Unbalanced
right
needle
thread
too loose:
Tighten
the
thread
tension
of
the
right
needle
(Dial
2
).
Lower
thread
Upper
looper
thread.
Right-hand
needle
thread
Tighten
Loosen
Loosen
needle
thread
Tighten
Right
side
Upper
looper
thread
Left-hand
needle
thread
—10—