Threading - Yamato VF2400 class Instruction Manual

5. Proper operation

5.3 Threading

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
Fig. 5-4 shows threading for 3-needle machine. Two needle threads are used for 2-needle machine.
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 figure.
Looper thread
Pull the thread until the knot is out. Then, cut off the knot.
Fig. 5-4
VF2400
D: Top cover thread
for stretchable thread
E: Looper thread
for stretchable
thread
16
Ａ Ｂ
Ｃ
Ｄ Ｅ