SINGER 1507 - Manual (Page 21)

14
When sewing several layers or thick fabrics, the presser foot
can be raised for easy positioning of the
work. (A)
to a high rise position
The presser foot pressure of the machine has been pre-set and
requires no particular readjustment according to the type of
fabric (light-or-heavy weight).
However, if you need to adjust the presser foot pressure, turn
the presser adjusting screw with a coin.
For sewing very thin fabric, loosen the pressure by turning the
screw counter , and for heavy fabric, tighten
by turning it clockwise.
counterclockwise
Two-step presser foot lifter
Adjusting presser foot pressure
GB