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
