Yamato VE2700-8 class, Instruction Manual, Page: 35 / 48

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VE2700-8
6. Adjustments
①
②
③
④
⑥
⑤
①
⑥
⑦
⑧
①
1/2
As standard, align the eyes of the thread take-up eyelets
③④ with the mark ② of the cast-off plate ①.
Loosen the screws ⑤ and adjust the looper thread tension
by moving the thread take-up eyelets ③④.
● To increase the take-up amount, move the thread
take-up eyelets ③④ toward the operator.
● To decrease the take-up amount, move the thread
take-up eyelets ③④ backward.
Fig. 6-7
Fig. 6-8
Fig. 6-9
6.3.2 Position of the looper thread take-up
Fig. 6-10
The looper thread take-up ⑦ viewed from the needle bar
is shown in Fig. 6-10.
Loosen the screws ⑧ and adjust so that the looper thread
comes off from the highest point of the looper thread
take-up ⑦ when the needles are lowered from the highest
point and the left needle reaches half the height of the
looper.
Looper thread
ÁÄÖÉÃÅ
Do not increase the take-up amount too much. It may
cause skip stitch.
6.3 Looper thread tension
6.3.1 Looper thread tension
For stretchable thread
For stretchable thread
Pull the thread take-up eyelets ③④ fully toward the
operator.
Do not thread the looper thread through the supplemen-
tary tension disc
⑥.
Increase
Decrease Decrease
Increase
For normal thread
Left needle
Looper