5. Proper operation
5.3 Threading
Needle thread
Pull out the thread until it is in front of the needles. Then, cut off the knots before needle eye to rethread.
Thread correctly for the left needle in the inmost position as shown in the gure.
When threaded, rethread after knotting preset threads.
When not threaded, thread correctly as shown in Fig. 5-4.
Incorrect threading can cause skip stitch, thread breakage, or uneven seam.
A, B, C: Needle thread D: Top cover thread E: Looper thread
Fig. 5-4 shows threading for 3-needle machine. Two needle threads are used for 2-needle machine.
Looper thread
Pull the thread until the knot is out. Then, cut off the knot.
Fig. 5-4
for stretchable
thread
Ａ
Ｂ
Ｃ
Ｄ
Ｅ
for stretchable thread
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