Global 390 D - Setting the Bobbin into the Bobbin Case

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A needle of DBx l or DPx5 should be used. Select a proper needle size according to the
count of thread and the type of material used.
1. Turn the
hand-wheel until the needle bar reaches the highest point of its stroke.
2. Loosen screw (1), and hold needle (]) with its indented part ® facing exactly to the
right in direction ®.
3. Insert the needle fully into the hole in the needle bar in the direction of the arrow until
the end of hole is reached.
4. Securely tighten screw (1).
5. Check that long groove ©of the needle is facing exactly to the left in direction @.
Caution: When filament thread is used, if the indented part of the needle is tilted toward
operator's side, the loop of thread becomes unstable, As a result, hangnail of
thread or thread breakage may occur. For the thread that such phenomenon is
likely to occur, it is effective to attach the needle with its indented part slightly
slanting on the rear side.
9. ~jG,aq~~ Setting the bobbin into the bobbin case
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1. Install the bobbin in the bobbin case so that the thread
wound direction is clockwise.
2. Pass the thread through thread slit A, and pull the thread
in direction B. By so doing, the thread will pass under
the tension spring and come out from notch B.
3. Check that the bobbin rotates in the direction of the
arrow when thread C is pulled.
10. tf-ie(i{Ji}lffi Adjusting the stitch length
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From the library of: Superior Sewing Machine & Supply LLC
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com