Singer 20U109 - Stitch Width Regulator (Except 20 E-910); Zigzag Stitch Width Control (Except 20 E-910)

20
Zigzag Sewing Machine | Instruction Manual and Parts List
3.19
Stitch Width
Regulator
(Except
20E-910)
Figure 26
The width of zigzag stitches is con-
trolled with the spring biased stitch
width regulating lever ‘1’ (Figure
26).
Maximum zigzag width:
20U-109 / 109C / 309: 9.0 mm
20U-112 / 112C: 12.0 mm
The two thumb screws ‘1’ and ‘2’
provided on front of the arm allow
you to control the width of zigzag
stitches.
Thumb screw ‘1’:
Using to control the wide
zigzag.
Thumb screw ‘2’:
Using to control the narrow
zigzag.
To obtain minimum to maximum
zigzag width (20U-109, 109C, 309:
9mm or 20U-112, 112C: 12mm), as
the following of Figure 27, first
loosen thumb screw ‘2’ to permit
the stitch width regulator lever ‘3’ to
return to its zero position at the ‘A’,
and retighten thumb screw.
Then loosen thumb screw ‘1’, turn
the stitch width regulator lever ‘3’ to
clockwise as far as it will go and
while holding the regulator lever in
this position at the ‘B’, retighten
thumb screw ‘1’.
It can adjust the regulator of the
stitch width in the range from zero
to the maximum now.
3.20
Zigzag Stitch
Width
Control
(Except
20E-910)
Figure 27
A
B
Caution
Do not make any
needle position
adjustment while
the needle is in
the fabric.
Switch off the
machine.
1
1
3
2