Kenmore Sears 16642 Owner's Manual page 30

Thread Tension (4 threads) (continued)
Adjusting the thread tension may be required
depending on the type of labric and thread being
used.
Correct Tension
Upper looper
thread
Thread Tension Adjustment
• Set all four thread tension dials at "'3", Then sew, and check the thread tensions.
Wrong Tension Wrong Tension
is tight and/or thread is tight and!or
loose.
looper
thread
Loosen lower looper thread tension
and/or tighten upper looper thread
tension,
Upper looper
lhread tension
Lower looper
thread lens}on
Loosen upper looper thread tension
andfor tighten lower looper thread
tension.
Upper looper Lower _ooper
thread lens_on lhread tension
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