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7
—
5
.
Adjustment of feed (stitch) length and stitch reversing (touch back)
Note: To make feed (stitch) length smaller, depress the feed reverse lever and set the feed
length setting dial to a desired position
Touch-back button . . . Direction of stitching can be reversed by depressing this button.
Stitching goes on in reversed direction while the button is held down, and returns to forward
direction when the button is released. .
6
.
Setting of bobbin
a)
Pulling out 5.cm thread tail from the bobbin.
b)
Hold the bobbin so that the bobbin thread is
would in right direction and put it into the hook.
7
.
Threading of bobbin threads
a)
Put the hook into the bobbin case and press down
the latch
①
.
The thread end should be left on the bed .
b) While holding the two needle Threads by left
hand, rotate the hand-wheel one turn by right
hand.
By pulling up the needle threads, as shown
in the figure, the bobbin threads will be lifted.
Each combination of bobbin thread and needle
thread should be aligned and led backward.
Summary of Contents for GC20618 Series
Page 20: ...A ARM BED AND ITS ACCESSORIES 17...
Page 22: ...B THREAD TENSION REGULATOR MECHANISM 19...
Page 25: ...C ARM BED AND ITS ACCESSORIES 22...
Page 27: ...D UPPER SHAFT PRESSER FOOT MECHANISM 24...
Page 30: ...E TAKE UP THREAD AND ARM SHAFT MECHANISM 27...
Page 33: ...F STITCH REGULATOR MECHANISM 30...
Page 35: ...G LOWER SHAFT FEED ROCK SHAFT MECHANISM 32...
Page 38: ...H HOOK SADDLE MECHANISM 35...
Page 40: ...I UPPER FEED ROCK SHAFT MECHANISM 37...
Page 42: ...J KNIFE MECHANISM 39...
Page 45: ...K TOUCH BACK MECHANISM DETECTOR MECHANISM 42...
Page 47: ...L OIL LUBRICATION MECHANISM 44...
Page 50: ...M ACCESSORIES 47...