ADJUSTINGTHREADTENSIONS
Turning
tension
dial
to
a
higher
number
gives
a
tighter
thread
tension.
Turning
tension
dial
to
a
lower
number
gives
a
looser
thread
tension.
The
higher
the number,
the
tighter the
tension.
Test
thread
tensions
on
a
scrap
you
plan
to
use.

FOUR-THREAD USE

Just
right.
Upper looper
thread
pulled
to
under
side.
increase
upper
looper
thread
tension
and!
or
decrease
lower
looper
tension.
Lower
looper
thread
pulled
to
top
side.
Increase
lower
looper
thread
tension and/or
decrease
upper
looper
tension.
Increase
tension
Decrease
tension
Under
side
Under
side
Left
needle thread
loose
and
Lower
\
Upper.
looper
thread
TGp
side
j
Lower
looper
thread
Upper
looper
thread
Topside.
Fig.
2
Fig.
3
increase
left
needle
thread
Increase
right
needle
tension
and/or
decrease
tension.
either
or both
looper
threads.