Yamato VG3511-8F, Инструкция по эксплуатации

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27
VG3511-8F
6. Adjustments
6.7 Height of needle
(1) Install the needle to the left hole in the needle clamp.
(2) Check the looper is inserted into the looper holder
fully.
(3) Turn the handwheel until the looper tip meets the cen-
ter of the left needle.
(4) Loosen the screw ① of the needle bar bracket and
move the needle bar up and down. Adjust the looper tip
to pass 0.8 - 1.3 ㎜ above the top of the needle eye.
(5) Tighten the screw ① securely. Check that the needle
drops in the center of the needle hole of the stitch
plate respectively.
Fig. 6-16
Fig. 6-19
Fig. 6-17
Fig. 6-18
6.8 Needle and back-and-forth position of looper
(1) Turn the handwheel until the looper tip ④ meets the
center of the left needle ⑤ .
(2) Loosen the screw ③ and move the looper holder back
or forth. Make the clearance between the back of the
left needle ⑤ and the looper tip to 0.2 - 0.3 ㎜ . Then,
tighten the screw ③ securely.
When tightening the screw ③ , back-and-forth position
of the looper may be shifted. Recheck the position after
tightening it.
0.2 -
0.3 ㎜
0.2 -
0.3 ㎜
3-needle
2-needle
④
⑤
④
⑤
②
③
0.8 -
1.3 ㎜
①
ATTENTION