Singer Sewing Machine Instruction Manual page 38

REASONS
IF THE MACHINE DOES NOT FEED PROPERLY
a) The stitch regulator lever
is at 'O'.
b) Insuffi cient pressure is ap-
plied to the presser foot.
IF THE BOBBIN DOES NOT WIND PROPERLY
a) The machine is not
threaded correctly.
b) The thread is out of the
tension discs.
IF THE NEEDLE THREAD BREAKS
a) The needle is inserted
incorrectly.
b) The needle is not threaded
correctly.
c) The upper tension is too
tight.
d) Knots in thread.
e) The needle is too fi ne for
thread.
f) The needle is bent or its
point is broken.
g) The stitch hole in the
needle plate is rough or
sharp.
h) Poor quality thread.
CORRECTIONS
a) Do not set the lever at 'O'
position.
b) Increase the pressure by
turning the pressure regulating
thumb screw clockwise.
a) Correct the threading.
b) Check thread to the tension
discs of the bobbin winder
thread guide.
a) Correct the insertion of needle.
b) The needle must be threaded
from left to right through
needle hole.
c) Loosen the tension.
d) Use better quality thread.
e) Change to larger size needle.
f) Change needle.
g) Polish stitch hole or replace
needle plate.
h) Change thread.
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