28
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In case where two needles are used
When [the tip of the looper(A)] meets [the left needle
④], the needle distance should be 0.2~0.3mm.
When [the tip of the looper(A)] meets [the right needle⑤],
the needles should be slightly contacted (some 0.2mm).
In this case, press [the needle guide(Rear)] for [the right
needle⑤], and adjust the distance between [the tip of the
looper(A)] and [the right needle⑤] at 0~0.05mm.
Make the adjustment by loosening the screw for the
looper holder.
[ Figure 47 ]
④
A
0.2~
0.3mm
⑤
☆☆
Height of Needle Guard(Rear)
When needle guard (R) is at the lowest point of the
needle bar, align the center of the needles along the line a
of the needle guard (R) .
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Longitudinal position of needle guard(R)
When the end tip of the looper comes to the center of the right needle, press the needle guard (R) to adjust the clearance
between the needle and the looper at 0~0.05 mm. At this point, be sure to set the distance between the left needle and the
needle guard (R) at 0~0.05 mm. Adjustments can be done by loosening the screws (①, ②).
12) Needle and Needle Guard(Rear)
[ Figure 48 ]
A
a
[ Figure 49 ]
①
②
0~0.05mm
0~0.05mm
[ Figure 50 ]
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