HIGHLEAD GC20528-BDZA Buku Petunjuk - Halaman 11
Jelajahi secara online atau unduh pdf Buku Petunjuk untuk Aksesori Mesin Jahit HIGHLEAD GC20528-BDZA. HIGHLEAD GC20528-BDZA 18 halaman. Twin needle split needle bar lock stitcher
Halaman Cetak21.RELATIONSHIP BETWEEN HOOK MOTION AND OPENER MOTION
（1）Turn the balance wheel by hand and stop when
the opener holder is located most remotely from the
throat plate.
（2）Make sure the gap between the bobbin case
holder A and the opener is approximately 0.2mm.
（3）If the gap is too large or small,loosen the
opener holder set screw B and adjust position of the
opener.
22.RELATIONSHIP BETWEEN NEEDLE MOTION AND FEED DOG
MOTION
（1）Set feed length to "0"on the feed setting dial.
（2）Lean the machine head backward.
（3）Loosen the feed lifting rock shaft crank set screw
A and B.
（4）Set the needle at the lowest position.
（5）Adjust the distance between presser rod and
vibration prevention rod to 13.5mm and temporarily tighten
the feed lifting rock shaft crank set screws A and B.
（6）If the connection is not at right angle,remove the back cover,loosen screw C and move the right link to
adjust.
（7）After the completion of adjustment,fully tighten the screw A,B,C.
Note:At the same time make certain that needle can enter the feed dog needle hole at the center of
the hole.
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