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6. ASSEMBLY
BAS-311G, BAS-326G
80
After installing the needle plate while referring to “6-13. Thread trimmer mechanism (2)”, carry out the following adjustments.
1. Turn the work clamp cam gear (1) to move the stepping foot driving lever (2) to the solid line position shown in the
illustration.
2. Loosen the two nuts (4) and turn the joint (5) to adjust the height of the roller (3) so that it is 155.5 mm above the top of
the needle plate.
3. Lower the needle bar approximately 6.5 mm from its highest position.
4. Set the height of the presser bar (6) to 41 mm above the needle plate, align the center of the presser foot (7) and the
needle hole, and then tighten the bolt (8).
5. Set the height of the presser foot (7) to 22 mm above the needle plate, and then tighten the screw (9).
6. Turn the work clamp cam gear (1) to move the stepping foot driving lever (2) to the dotted line position shown in the
illustration.
7. Set the needle bar to the timing position.
8. Loosen the nut (10) and turn the bolt (11) to set the height of the presser foot (7) to 0.5 mm above the needle plate.
5198Q
5199Q