Table of Contents
Advertisement
(20) Alternate vertical dial
1) Installing position of the detection switch of the amount of alternate vertical movement
1
Detection switch of
amount of alternate
vertical movement
Bushing
Convex
section
Scale of alternate vertical dial
Standard Adjustment
Alternate
vertical dial
Amount of alternate vertical
movement of the walking foot and
presser foot
2.5 mm to less than 4 mm
4 mm to less than 4.75 mm
4.75 mm to less than 6.5 mm
2
8±0.1 mm
(Red and green lines)
1 to 2.5
2.625 to 4
4.125 to 4.75
4.875 to 6.5
Less than 2.5 mm
Top cover
Hole of section A
Switch (upper)
Switch (lower)
(White and black lines)
OFF
OFF
ON
ON
– 40 –
Stitch length :
Stitch length :
More than 6 mm
6 mm or less
and 9 mm or less
3000 rpm
2000 rpm
2400 rpm
2000 rpm
2000 rpm
2000 rpm
1800 rpm
1800 rpm
Pin
Spring
Red
Green
White
Black
OFF
ON
ON
OFF
Advertisement
Table of Contents
