UnionSpecial 54200J-12-16, Инструкции по настройке

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15
SETTING THE THREAD EYELETS
Set looper thread take-up eyelet (A, Fig.
19) so take-up pin (B) begins to function
when the loopers start their travel to the
rear. Set frame needle thread eyelet (A,
Fig. 20) as high as possible without
pulling thread through the tensions on
the downward stroke of the needle bar.
Set needle thread take-up wire (B) so the
threads contact it at the same time the
thread loops leave the points of the
loopers.