HIGHLEAD GC0618-1 사용 설명서 부품 카탈로그 - 페이지 9

{카테고리_이름} HIGHLEAD GC0618-1에 대한 사용 설명서 부품 카탈로그을 온라인으로 검색하거나 PDF를 다운로드하세요. HIGHLEAD GC0618-1 13 페이지. Heavy duty compound feed lockstitch sewing machine

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1 ) Loosen the screw 1 for cover plate 2 and then

remove the cover plate 2.

2 ) Normally put the arrow mark 7 of the cam 6 on

the "V" ditch 5 of arm shaft. Then tighten the

cam screw.

3 ) Turn the balance wheel to the needle at 1mm up

from its lowest point.

4 ) Pushing the stitch length regulating lever up

and down, turn the cam 6 and set this at the

point both the needle and the feed dog rest.

After positioning completed, tighten each screw

securely.

17 ADJUSTING THE HEIGHT OF

THE NEEDLE BAR (Fig 17)

When the needle bar is at its highest point, normally the

measurement between the surface of the needle plate and

the upper end of the needle eye is 22.3mm.

You can also adjust this at its lowest point. In this case,

normally the measurement between the surface of the

needle plate and the upper end of the needle eye is 11mm.

To adjust this, loosen the screw J (Fig.3) and raise or lower

the needle bar as may be required. Then, tighten the screw upon completion of adjustment.

NOTE: These measurements are approximate standard, accordingly, following final adjustments "18

TIMING BETWEEN THE HOOK AND THE NEEDLE" are recommended.

22.3mm

Fig 18

2.4mm

Fig 16

Fig 17

0.05mm-0.1mm

Fig 19

8 7 5

22.3mm

Fig