Spreader - JUKI MF-7000 Series Engineer's Manual

MFC

9) Spreader

1 Timing
Descend
Highest point
2.5 ±0.1 mm
Return
Just when the needle descends 2.5 mm from
the highest point of the needle bar, the spreader
begins to return from the extreme left position.
3 Position of spreader
5.5 ±0.1 mm
Throat plate
0.3 to
0.5 mm
4 Fixing spreader thread guide
Spreader
Extreme right
position
Groove
Blade top should be
between the left end and
the middle of the groove.
5 Needle clamp spreader thread guide
Fixing spreader thread guide
Needle clamp spreader thread guide
Standard Adjustment
10.5 ±0.5 mm
Left needle
Return
Show spreader at
extreme right position
when setting height
4 ±0.5 mm
2 Stroke
Direction of cloth feed
19 ±0.1 mm
™ Height of the presser foot is 10.5 ± 0.5 mm.
™ When the spreader is in the extreme left
position, the distance between the center of
the left needle and the blade point of the
spreader is 5.5 mm ±0.1 mm.
™ When the spreader returns to the right, the
clearance between the spreader and the
left needle is 0.3 to 0.5 mm.
™ When the spreader is in the extreme right
position, the blade top should be between
the left end and the middle of the groove of
the fixing spreader thread guide.
™ The height is 0.8 to 1.2 mm from the upper
face of the spreader.
0.8 to
1.2 mm
™ When the needle bar is in the lowest position,
the clearance between the needle clamp
spreader thread guide and the upper face
of the fixing spreader thread guide is 4 ± 0.5
mm.
™ The center of the thread guide hole aligns
with the left end of the groove of the fixing
spreader thread guide.
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