Bobbin Winder - Singer Quantum Stylist 9960 Service Manual

17. Bobbin winder

Check
When winding up the lower thread onto the bobbin the machine should wind even and stop when there is
a min. of 1 mm between the edge of the bobbin and the thread.
Adjustment - If bobbin winds unevenly.
1. Loosen screw (A)
2. If bobbin winds as in illustration 1 , move the bobbin winder thread guide slightly upward.
3. If bobbin winds as in illustration 2 , move the Bobbin winder thread guide slightly downward.
4. Retighten the screw (A).
Adjustment - the bobbin thread wounds too little or too much.
1. Loosen the screw (B) on bobbin winder stop (C).
2. Adjust as follows.
- If the bobbin thread is wound too much, slide the bobbin winder stop (c) to the left.
- If the bobbin thread is wound too little, slide the bobbin winder stop (c) to the right.
3. Retighten the screw (B).
22 Singer Quantum Stylist
A
TM
9960
A
C