20. BOBBIN WINDER
BOBBIN WINDS
Adjustment
If bobbin winds unevenly, adjust as follows:
1. If bobbin winds as shown, turn the screw (a) to the
left (-).
2. If bobbin winds as shown, turn the screw (a) to the
right (+).
3. If the bobbin thread is wound too little or too much,
loosen the screw (b) near bobbin winder and ad-
just as follows.
BOBBIN THREAD
Adjustment
4. If the bobbin thread is wound too much, loosen the
screw (b) and slide the bobbin winder stop (c) to
the left.
5. If the bobbin thread is wound too little, loosen the
screw (b) and slide the bobbin winder stop (c) to
the right.
6. Retighten the screw (b).
Settings
1
2
3
4
5
a
b
c
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