6
•An example where adjustment is required
When stretch material is sewn without using the differen-
tial feed, the material will be wavy.
To make the material more smooth, adjust the feed ratio
from 1.0 toward 2.0.
(The feed ratio required depends on the elasticity of the
material.)
The more elastic the material, the further toward 2.0 the
differential feed ratio should be set. Test sew with a scrap
of the fabric to find the correct adjustment.
CAUTION
When sewing thick non-stretchable material such
as denim, do not use the differential feed as it
may damage the fabric.
Presser foot pressure
1
23
•The pressure of the presser foot can be adjusted by
turning the pressure adjustment screw at the top left
of this machine. Since this machine has already been
adjusted to a pressure suitable for light to medium
fabrics, no further adjustment is necessary except
when sewing on very heavy or very light materials.
Usually, when sewing on very light materials, the
presser foot pressure should be loosened. When
sewing very heavy materials, the presser foot pres-
sure should be tightened.
1Pressure adjustment screw
2Less pressure
3More pressure
4Pressure adjustment screw
5(Standard height for medium material)
4
10mm
(
3
/
8
inch)
5