13
Note:
When the clamp cranks of the lower and upper looper lever are parallel to the main shaft, the distance
from the eccentrics 4 and 6 and the eccentric belt must be 1.0 - 1.5 mm (figure 5).
Both drive levers of the lower and upper overedge looper 12 and 13 must be positioned in a row along
the center line of the main shaft (figure 6).
The distance between the needle bar drive lever 14 and the blade drive lever 15 must be 0.5 mm
(figure 7).