SINGER W3851 - Manual (Page 7)

TO WIND THE BOBBIN
It is necessary to understand the function of the Stop Motion by means of which the balance
wheel is disconnected from the sewing mechanism, when required, thus permitting the winding of
the bobbin without sewing. , , , i t ■ c .u i r*
a) Turn the stop motion knob toward you while holding the balance wheel with the left hand.
This will then permit the balance wheel to turn freely while the needle bar remains motio­
nless. ^
Place a spool of thread on the spool pin at backside of arm.
Pass the thread through the notched thread guide (3).
Draw the thread down through the bobbin winder thread guide (16) at right corner of the
base of machine. . t • j i
Now wind the end of the thread around an empty bobbin seven or eight times and place
threaded bobbin on the spindle (C) of the bobbin winder.
Press the bobbin into the spindle with the left hand, making sure that the Pm on the spindle
fits into the slot in the bobbin. . ,
Push the bobbin winder levever (D) down until the small rubber wheel presses apmst the
hub of the balance wheel and the clasp (E) falls between the sides of the bobbin holding it
Tum*the”balance wheel toward you and run the machine as in sewing. When bobbin is full,
the bobbin winder will automatically stop.
Break off the thread and detach the bobbin from the spindle.
Hold the balance wheel firmly with left hand and with right hand turn the stop motion knob
away from you until the machine is tight and then the needle bar moves with the turning of
the balance wheel. ,
can perform this operation also when the machine is working. In this case you will operate
b)
c )
d)
e )
f)
g)
h)
i)
j)
You
in the same way as explained above, but without disconnecting the balance wheel.