Pfaff 131 User Manual

Ugly
stitches
may
be
caused
1
The
tension
too
light
or
too
loose
The
under
tension
should
always
be
a
little
looser
than
the
upper
tension
2
Thickness
of
material
not
corresponding
to
size
of
needle
and
thread
The
under
thread
should
rather
be
a
little
finer
than
the
upper
thread
3
Fluff
having
accumulated
between
the
tension
discs
or
under
the
tension
spring
of
the
bobbin
case
Heavy
working
of
the
machine
may
be
causd:
1.
The
belt
having
become
too
long
by
long
use
and
therefore
does
nat
pull
anymore,
in
which
case.
shorten
it.
2.
Belt
being
too
tight.
Therefore
it
should
never
be
shortened
too
much.
3.
Shuttle
race
being
obstructed
by
fluff
caused
by
inadvertance.
To
oil
and
clean
the
Machine
All
nickel
plated
and
polished
parts
are
treated
with
rust
proof
grease
which
should
be
rubbed
off
with
a
clean
rag.
Thereupon
apply
a
little
kerosene
(paraffin)
at
all
points
marked
in
figures
15
and
16
After
having
raised
the
presser
foot
run
the
machine
for
a
short
time
without
thread
wipe
off
the
dripping
kerosene
and
apply
a
drop
of
Pfaff
oil
at
all
points
where
there
is
friction.
Make
it
a
habit
to
clean
and
oil
the
machine
from
time
to
time,
especially
when
using
it
permanently
and
after
a
prolonged
standstill.
Very
important’
Rinse
the
shuttle
race
thoroughly
with
kerosene,
and
thereafter
apply
some
sewing
machine
oil,
especially
when
using
the
machine
for
the
first
time
and
after
a
prolonged
standstill.
Keep
the
oil
can
clean!
The
needle
plate
should
be
taken
off
frequently
and
the
lint
removed
from
its
underside
and
from
the
feed
dog.
18
Fig.
15

Pfaff 131 Specifications

General

Brand	Pfaff
Model	131
Category	Sewing Machine
Language	English