−14 −
(13) Positioning the needle driving pulley pressure applying lever
The clearance at the stop-motion position (while the driving pulley is running idle) should be 0.2 to
0.3 mm.
(14) Positioning the thread pull-off lever
Adjust the position of thread pull-off lever 1 so that the dimension between thread guide pole 4 and
thread pull-off lever 1 is 5 to 9 mm at the stop-motion position.
Standard Adjustment
Needle driving pulley clutch
Needle driving pulley
0.2 to 0.3 mm
MB-372 (0.8 to 0.9 mm)
MB-373 (0.2 to 0.3 mm)
MB-377 (0.2 to 0.3 mm)
5 to 9 mm
1
4
To Next Page
