12
TO ADJUST THE TENSION RELEASE MECHANISM FOR KNEE LIFTER
When the presser foot lifter is raised, the tension disc supporter should move by approx.
0.8 mm before adjusting the tension release mechanism for the knee lifter.
1. Remove the top cover unit (see page 3).
2. Lower the presser foot lifter, raise the needle bar to its highest position, attach the foot (A)
and lower the presser foot.
(Make sure the feed dog is at the highest position.)
3. Loosen screw.
4. Adjust the clearance between the thread releasing lever and pressure drive arm to
between 0.01 - 0.80 mm.
5. Attach the top cover unit.
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