JUKI MB-377 - Positioning stop motion disc and plunger; Pressure of the button clamp; Positioning the button clamp lifting link

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(8) Positioning the thread nipper
The clearance between thread nipper 1 and nipper block 2 should be 0.8 to 1.2 mm while the machine
is in operation.
(In case of MB-377 : 0.4 to 0.8 mm)
(9) Positioning the stitch adjusting cam
The clearance between the roller and the recess of the cam should be 0.8 mm at the stop-motion
position.
Standard Adjustment
0.8 to 1.2 mm
0.8 mm
A
Rotating direction of cam
1
2