Adjusting The Looper Thread Cam - JUKI MF-7700D Series Engineer's Manual

(17) Adjusting the looper thread cam

1. Adjust so that thread comes off from the highest place of looper thread cam
and the top end of left needle
fix the looper thread cam.
Theread
2. Preventing thread winding around the looper thread cam
Adjust the clearance provided between the top end of section
and the edge of looper thread cam
with looper thread cam
Standard Adjustment
aligns with the bottom surface of looper
to approximately 0 to 0.3 mm (the plate should not come in contact
).
– 46 –
when needles come down
. Then tighten setscrews
of looper thread winding prevention plate
A
A
to
To align