JUKI MF-7700D Series Engineer's Manual page 22

(6) Adjusting the spreader
6. Adjustment figures of the spreader thread guide
(1) It is the standard that the clearance provided between spreader
1.0 mm.
(2) It is the standard that the clearance provided between spreader thread guide
guide is 0.8 to 1.2 mm.
(3) Lateral position of the spreader thread guide
Top end of thread hooking section
guide when spreader
0.8 to 1.2mm
0.4 to 1.0mm
Standard Adjustment
of the spreader aligns with center
D
is in the extreme right position.
– 18 –
and spreader thread guide
and needle clamp thread
of slot in spreader thread
E C
D
C
E
is 0.4 to