Thread Tension (4 threads)
Adjusting
the thread
tension
may be required
depending
on the type of tabric and thread being
used.
Correct Tension
Thread Tension Adjustment
*
Set all tour thread tension dials at "3"°, Then sew, and check the thread tensions.
Wrong Tension
Wrong Tension
on the left is toose.
right is loose.
Upper
looper
thread
Tighten needle thread tension on
the left.
Needle thread
ter)s_on(L)
Thread Tension
Dial
/_Tighten
_._
Loosen
Tighten need]e thread tension on
the right.
÷ 11
II
_ens_on (R)
Set{ing
mark
26