Pfaff 1540 User Manual

Maintenance
and
tronb1e-shootin
F
Troub(e-shootng
Problem:
The
machine
skips
stitches
The needle
is
not
properly
inserted.
The
wrong needle
is
inserted
Needle is
bent or
blunt.
Machine
is
not properly
threaded.
Needle
is too
small for
thread.
Needle
thread
breaks
See
reasons
above.
Thread
tension
is
too
tight.
Thread is
poor or
has slubs
in
it, or has
become
dry
after too-long
storage.
Thread is
too thick.
Needle
breaks
oft
Needle
is not
pushed
fully in.
Needle
is bent
Needle
is
too thick
or
too thin
Needle
is
bent,
and
has
hit
the
needle
plate
because
you
are
pulling
or
pushing
the
fabric.
The
bobbin case
is not
properly
installed.
Seam
is
sewn
unevenly
The tension
needs
adjusting
Thread
is too
thick,
slubbed
or
hard
The
bobbin
thread is
unevenly
wound.
Thread
bunching
at top
or bottom
side
of
fabric
Machine
does not
feed or
feeds
irregularly
Sewing
lint has
collected
between
the
feed
dog teeth
rows
Feed dog
is
lowered,
slide
A (see page
27)
at
right.
Machine
is running
with
difficulty
There
are
thread
remnants
in
the
hook race
Remedy:
Push
needle
fully upwards,
flat
side
facing
the
back.
Use
a
needle
system
130/705
H.
Insert a
new needle.
Check
how
machine
is threaded.
Use a
larger
needle,
See
above.
Adjust
thread
tension.
Only use
good threads.
Use needle
with
large
eye (System
130 N).
Insert new
needle
and
push fully
in.
Insert
new needle.
See
needle
chart (page
64)
Let
the
machine
feed the
fabric.
Only
guide
the fabric
lightly
When
you
insert
the bobbin
case,
push
it fully
into
the stop.
Check
top and
bottom
tensions.
Only
use
perfect threads
Do not wind
thread
free-hand,
but
run it
on through
the winding
tension.
Thread
up correctly.
Check
needle
and
bobbin
thread
tensions
Remove
needle
plate,
remove
lint
with
brush.
Push slide
B (see
page
27)
to left.
Remove
the
threads
and apply
one
drop
of oil
to the hook.
Important
note:
Before
you
replace
sewing
feet
or
needles,
you
must
switch off
the
main
switch.
o
not start
the threaded
machine
without
fabric
in it.
If
you
leave the
machine,
even
for
a
short
time,
do not
forget
to
switch off
the main
switch.
This
is
important
if children
are
nearby.
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Pfaff 1540 Specifications

General

Brand	Pfaff
Model	1540
Category	Sewing Machine
Language	English