7. ADJUSTMENT
BAS-311G, BAS-326G
93
7-9. Adjusting the position of the movable knife
1. Open the top cover and tilt back the machine head.
2. Turn the pulley (1) by hand to lower the needle bar to its lowest position, and push the thread trimmer solenoid (2) as far
as it will go.
3. With the collar (3) inserted into the groove of the thread trimmer cam (4), turn the pulley (1) by hand to set the driving
lever (5) to the reverse position (when the thread take-up (6) is close to its lowest position).
4. Loosen the bolt (7).
5. Move the thread trimming rod H (9) forward or back to adjust so that the distance from the ridge line on the right side of
the needle plate to the ridge line on the movable knife (8) is 9.5
−
9.9 mm.
6. After tightening the bolt (7), check the above position once more.
5235Q
5236Q
5232Q 5234Q
4950Q
<View from side of thread trimmer cam>
5255Q
5233Q
Reverse position