7-1.Adjusting Of Needle Bar Height; 7-2.Adjusting Of Distance Between Needle And Shuttle Hook Point; 7-3.Adjustment Of The Clearance Between The Hook Driver And The Needle - HIGHLEAD HLK-3020 Instruction Manual Parts Catalog

7-1.Adjusting of needle bar height

When needle bar touch shuttle hook point②，the distance between top of the needle hole and shuttle hook
point should be about 2.5mm. To adjust height of needle bar.
（1） Loosen screw③.
（2） Adjusting the height
of needle bar ④.
（3） Tighten screw ③.

7-2.Adjusting of distance between needle and shuttle hook point

The correct distance
between needle and hook
point is about 0.25-0.35mm.
（1） Loosen screw ③.
（2） Move shuttle race ④
to along its shaft to correct
position.
（3） Tighten screw ③.

7-3.Adjustment of the clearance between the hook driver and the needle

Proper clearance between the needle①and hook driver②is 0-0.05mm(with standdard needle DY×3 26#).
(1) Loosen screw③and④.
(2) Move hook drive shaft⑤to a proper position.
(3) Tighten screw③and④.
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