30
VF2400
6.7 Front-and-rear position of needle and looper
6. Adjustments
Fig. 6-19
Fig. 6-20
Fig. 6-21
①
②
③
④
⑤
⑥
0.2 -
0.3 ㎜
①
0.2 -
0.3 ㎜
⑦
3-needle:
◇ When the looper tip ① meets the left needle ② , make
the clearance between them to 0.2 - 0.3 mm.
◇ When the looper tip ① meets the middle needle ③ ,
make the clearance between them to 0.05 - 0.15 mm.
◇ When the looper tip ① meets the right needle ④ , they
touch slightly by 0.2 mm.
Make the clearance between them to 0 - 0.05 mm to
push the needle guard(rear) to the right needle ④ .
◇ Loosen the screw ⑦ of the looper holder to adjust it.
2-needle:
◇ When the looper tip ① meets the left needle ⑤ , make
the clearance between them to 0.2 - 0.3 mm.
◇ When the looper tip ① meets the right needle ⑥ , they
touch slightly by 0.2 mm.
Make the clearance between them to 0 - 0.05 mm to
push the needle guard(rear) to the right needle ⑥ .
◇ Loosen the screw ⑦ to adjust it.