Singer 9985 - Machine Control Functions; F. Thread Cutter Button; G. Drop Feed Lever; H. Thread Cutter

SERVICE MANUAL
22
a
8. BOBBIN WINDER
If bobbin winds unevenly, adjust as follows:
1. If bobbin winds as shown, turn the adjusting screw (a)
to the left.
1
2
a
3
b
c
6
-
2. If bobbin winds as shown, turn the adjusting screw (a)
to the right.
3. If the bobbin thread is wound too little or too much,
loosen the screw (b) on bobbin winder stop (c) and
adjust as follows.
4. If the bobbin thread is wound too much, slide the
bobbin winder stop (c) to the left.
5. If the bobbin thread is wound too little, slide the
bobbin winder stop (c) to the right.
6. Retighten the screw (b).