Bobbin Thread Winding - Singer 20U109 Instruction Manual And Parts List

3.10
Bobbin
Thread
Winding
Caution
Do not guide or
hold thread
when winding
the bobbin.
Stop motion of needle by loosening
stop-motion screw '1'. Hold hand-
wheel with left hand and turn stop-
motion screw toward you with right
hand. (See Figure 12).
Place bobbin on bobbin winder
spindle '3' and pushing it on as far
as it will go.
'1' adjustment.
'+' direction: Increase tension
'-' direction: Decrease tension
Push latch '2' in the direction indi-
cated by arrow 'A', then start the
machine.
Bobbin winder spindle '3' is rotate
in the direction indicated by arrow
'B'.
To adjust the amount of thread on
bobbin, loosen screw '4' on latch '2'
and swing the latch '2' away from
you or toward you, as required.
For more thread on bobbin,
swing latch '2' away from you.
For less thread on bobbin,
swing latch '2' toward you.
If thread winds unevenly on bobbin,
loosen screw '5' and move pre-
tension '1' up or down, as required,
and tighten screw '5'.
Threading the pre-tension for bobbin winding
1
Zigzag Sewing Machine | Instruction Manual and Parts List
1
Figure 12
3
2
A
B
4
5
Figure 13
13