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(23) Alternate vertical dial
1) Installing position of the detection switch of the amount of alternate vertical movement
Amount of alternate vertical Stitch length :
movement of the walking foot 6 mm or less
presser foot and 9 mm or less
Less than 2.5 mm 3000rpm 2000rpm
2.5 mm to less than 4 mm 2400rpm 2000rpm
4 mm to less than 4.75 mm 2000rpm 2000rpm
4.75 mm to less than 6.5 mm 1800rpm 1800rpm
Switch (upper) Switch (lower)
(Red and green lines) (White and black lines)
1 to 2.5 OFF OFF
2.625 to 4 OFF ON
4.125 to 4.75 ON ON
4.875 to 6.5 ON OFF
Sewing speed of LU-1510N-7 and LU-1511N-7
Sewing speed of LU-1560N-7 and LU-1561N-7
* Detection switch of
amount of alternate
vertical movement
Bushing
Convex
section
White
Black
Hole of section A
Top cover
Pin
Spring
8
±0.1mm
Alternate
vertical dial
Red
Green
* Caution
LU-1510NA-7 is not provided with an
alternate vertical movement sensor
switch.
Standard Adjustment
Stitch length :
6 mm or less
Amount of alternate vertical Stitch length :
movement of the walking foot 6 mm or less
presser foot and 9 mm or less
Less than 2.5 mm 2500rpm 1800rpm
2.5 mm to less than 4 mm 2200rpm 1800rpm
4 mm to less than 4.75 mm 1800rpm 1800rpm
4.75 mm to less than 6.5 mm 1600rpm 1600rpm
Stitch length :
6 mm or less
Sewing speed of LU-1510NA-7
Amount of alternate vertical
movement of the walking foot
presser foot
Less than 4.75 mm 2000rpm
4.75 mm to less than 6.5 mm 1800rpm
Stitch length :
7 mm or less
Scale of alternate vertical dial
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