JUKI MB-377 - Adjusting moving knife position; Adjusting thread separating claw height; Installing the button clamp lifting rod

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(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.)
(5) Installing the button clamp lifting rod
(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.
Standard Adjustment
12 to 13 mm
Gauge 12.5 mm
Tip of thread separating claw
0.5 to 0.7 mm
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