JUKI MO-6000S series Engineer's Manual page 41

Adjustment Procedures
1) Loosen setscrew 5 and temporarily tighten the setscrew with
cloth chip cover stopper 6 raised.
2) Loosen setscrews 7 in the cloth chip cover, and adjust the
longitudinal position of cloth chip cover 3.
3) Loosen setscrew 5 in the cloth chip cover stopper again, and
press cloth chip cover stopper 6 downward until the stopper
slightly comes in contact with looper cover 2. Now, tighten
setscrew 5.
4) Finally, confirm that cloth chip cover 3 comes in contact with
neither upper knife 1 nor lower looper 4.
Results of Improper Adjustment
37