Adjusting The Position Of The Moving Knife; Adjusting The Height Of The Thread Separating Claw Of The Moving Knife; Installing The Button Clamp Lifting Rod - JUKI MB-373 Manual

(3) Adjusting the position of the moving knife

Adjust the position so that the distance between thread trimming connecting link (front) 1 and the
edge of the slot in throat plate 2 should be 12 to 13 mm when the button clamp is at its highest position
after the stop motion has been set. (For MB-377 : 10.5 to 12.5 mm) (For MB-373-11 only, adjust the
distance to 15 to 16 mm.)

(4) Adjusting the height of the thread separating claw of the moving knife

Make adjustment so that the clearance between thread separating claw 1 and looper 2 should become
0.5 to 0.7 mm.

(5) Installing the button clamp lifting rod

Standard Adjustment
Gauge 12.5 mm
1
0.5 to 0.7 mm
1
2
4
3
18
− −
2
12 to 13 mm
Tip of thread separating claw
6
5
2
1