Operation Manual

Trouble
Shooting
If
trouble
should occur,
check
the
following:
When
operated
properly,
your
sewing
ma
chine
will
hardly
develop
any
trouble.
• The needle
must
not be
damaged
and
must
be
inserted
correctly.
Please
remember
to
restore
the
normal
set
ting
after
you
have
completed
your
sewing
• Select the
correct
needle
and thread
from
job
(buttonhole
sewing
or
darning,
for
instance)
by
switching
the
machine
back to
the
Needle
and
Thread
Chart.
straight
stitching,
flicking
the
needle posi
tion
lever
to
its central
position,
raising
the
•
Check whether
the
needle
has
been
machine
feed and
setting
the
stitch
length
threaded
correctly.
control
on
“2”.
•
Use only
high-grade
machine
thread
or
sewing
silk.
•
Check
to see that
the
bobbin
case
has
been
inserted correctly.
•
Both
tensions
must
be
balanced correctly.
• Don’t
farce
the
feeding motion,
merely
guide
the material
lightly.
• Clean
and oil the
machine
as
instructed.
• Make sure
there
are
no pieces
of thread
wedged
between the
tension
discs.
To
remove
them,
pull a
narrow
fabric
strip
between
the tension discs.
•
The
Pfaff
rotary
hook
will
not
normally
jam
even if the
machine
should
be
handled
improperly.
If
thread
should
happen
to
jam
in
the
hook
raceway, it
is sufficient
to
put
a
drop
of
oil into the
raceway, jer
the
balance
wheel
back
and
then
rock
it
back and
forth,
without
applying
force.
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