58
(1) Position of movable trimming blade
A. Align the line ① of the upper shaft pulley with the
carving ② of the sewing machine body (The needle
bar will go up to the highest point).
B. Insert into the hole ④ of the movable trimming knife ③ with tweezers to bring down the knife ③ to the lowest point.
C. When the movable trimming knife ③ is at the lowest point, unfasten the screw ⑩ to set a clearance of 5.5~6.0mm
between the needle plate (stitch plate) and the blade tip ⑨ of the movable trimming knife ③.
D. After adjustments, fix the screws ⑦, ⑧ and ⑩.
E. Move the movable trimming knife ③ up and down to see whether it crosses top cover thread.
9) ST-C device
[ Figure 95 ]
②
①
[ Figure 96 ]
③
⑨
Needle plate
5.5mm~
6mm
[ Figure 97 ]
⑥
⑦⑩
④
⑤
Top
cover
thread
③
⑥
⑧
[ Warning ]
Before adjustments, always turn off the motor switch and check to make sure that the motor is in stop mode.
[ Caution ]
Loosen the screws and to prevent the
movable trimming knife from touching the
presser foot, the left needle and the spreader.
[ Caution ]
After adjustments, the movable trimming knife ③ should cross the top cover thread.
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