HIGHLEAD GC0618-1 D2 Manual de instrucciones Catálogo de piezas - Página 9
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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
22.3mm
Fig 18
Fig 18
2.4mm
2.4mm
11
Fig 16
Fig 17
0.05mm-0.1mm
0.05mm-0.1mm
Fig 19
Fig 19
1
5
4
1
5
4
9
10
6
8 7 5
22.3mm
3
3
Fig