Winding lower thread
1. Turn on the power switch.
2. Fit bobbin q to the bobbin winder shaft w.
3. Pass a thread through thread guide e.
4. Wind the thread around bobbin q several times in the direction of the arrow.
5. Press bobbin hold r.
Note) • If the thread cannot be wound evenly, loosen screw t and move thread guide e from side to side for
adjustment.
• To wind more thread around the bobbin, loosen screw y and shift bobbin hold r.
6. After winding is finished, remove the bobbin from the bobbin winder shaft and trim the thread
using tread trimmer u.
Note) • If the thread passed though thread guide e comes off, loosen knob i. If the thread is wound loosely,
tighten knob i.
• If circuit protector o is activated, the bobbin winder motor does not rotate. Wait for a while until the
motor cools and press the circuit protector. (If the motor is still hot, the pressed circuit protector will
come out.)
t
i
e
Connection and Installation of Optional Equipment
u
y
r
o
q
w
BES-116AC
149