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SunStar SC 7200 Series - Adjustment of Looper Thread Tension; Adjustment of Needle and Spreader

SunStar SC 7200 Series
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2) Adjustment of looper thread tension
[ Warning ]
Be sure to turn the power switch off before adjusting tension.
As a standard, the center of the thread hole of the looper
thread guide and is generally positioned along the line
of the looper thread guide bracket.
Loosen the screw to lower the looper thread guide down to
decrease the looper thread tension, and raise it up to increase
the tension.
When using the woolly thread, bring the looper thread
guide(, ) down as much as possible, and do not
insert thread into disc .
[ Figure 39 ]
3) Adjustment of needle and spreader
[ Warning ]
Turn the power switch off before adjustments
Installation of spreader
When the spreader moves to the left, the clearance between the left needle and the hook tip of the spreader (a) is
0.5mm ~ 0.8mm. (Figure 40)
When the spreader sits at the far left, the distance from the left needle center to the hook tip of the spreader (a) is 4.5mm ~
5.5mm.
The height between the stitch plate and the lower side of the spreader is 8.5mm ~ 9.5mm. (Figure 41)
The spreader can be adjusted by untightening the spreader fixing screw and the spreader handle fixing screw.
(Figure 42)
[ Figure 40 ] [ Figure 41 ] [ Figure 42 ]
a
0.5~0.8mm
4.5~5.5mm
8.5~9.5mm

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