Chapter 2 Preparation of Embroidery Machine
3-2 Replacement of Bobbin
Note) Remove dust, lint and oil from the bobbin case before replacement.
Removing bobbin case
w
q
e
Replacing bobbin
r
t 
t
Pull out by about 50 mm
1.Open the rotary hook cover B q.
2.Hold the knob w and take out the bobbin case.
3.Close the knob and take out the bobbin e.
1. Put a new bobbin in the bobbin case.
Check the winding direction.
Check that the bobbin is pushed out of the bobbin case by about 0.5 mm. If not, the slip prevention spring of the bobbin case does not work. Adjust the height of the spring or replace it with a new one.
Bobbin
0.5mm
2.Slide the thread under the tension spring t through the notch r.
3.Pull out the thread from the hole of the tension spring t.
4.Pull out the thread by about 50 mm.
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