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(1) Bobbin winder circuit protector
1) When the bobbin winder is operated, it sometimes
happens that thread
❶
catches on something, pro-
ducing a force that tends to stop it from winding (
A
direction).
2) In such a case, to prevent the motor from burning
out, circuit protector
❷
operates to temporarily
break the circuit inside the bobbin winder, stopping
the winder.
(2) Restoring the bobbin winder to operation
after it stops
1) First flip bobbin presser
❸
in the direction of arrow
B
, then turn the bobbin winder switch OFF.
2) Remove the cause of the force that tends to stop
the thread from winding.
3) Temporarily flip the circuit protector switch from po
-
sition
C
to
D
, then return it to
C
.
4) Step 3) restores the circuit protector to its original
status. When bobbin presser
❸
is flipped back to
the bobbin side and the bobbin winder switch is
turned ON, the winder resume operation.
A
C
D
❶
❷
❸
B
