Thread
tension (3 threads)
Correct
tension
Adjustment of the thread tension may be required depend-
ing on the type of fabric and thread being used..
Wrong side of fabric
Needle thread
Lower looper thread
O Right side of fabric
(_ Upper looper thread
Thread tension
adjustment
Set all three thread tension dials at "3". Then sew, and
check the thread tensions.
Thread tension deal
(_ Thread tension dial
(_ Setting mark
(_ Loosen
(_ Tighten
Incorrect
tension
Needle thread is looser
Tighten needle thread tension.
Wrong side of fabric
(£) Needte thread
(_ Right side of fabric
Upper looper thread
Lower looper thread
(_ Left needle thread tension
0
Right needle thread tension
Incorrect tension
Lower looper thread is tight and/or upper looper thread is
loose,
Loosen lower looper thread tension and/or tighten upper
looper thread tension,
(_DWrong side of fabric
(_) Lower looper thread
(_ Needle thread
0
Upper looper thread
0
Upper looper thread tension
(_ Lower looper thread tension
Incorrect tension
Upper looper thread is tight and/or lower looper thread is
loose.
Loosen upper looper thread tension and/or tighten lower
looper thread tension.
C) Wrong side of fabric
(_ Right side of fabric
(_ Upper looper thread
0 Needle thread
(_) Lower looper thread
(_ Upper looper thread tension
0 Lower looper thread tension
(-
50
GG
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