Operation Manual

Bobbin
case
inserted
incorrectly.
Press
against
bobbin
case
until
you
hear
it
snap
into
place.
4.
Machine
Feeds
Improperly
Cause:
Remedy:
Feed
dog
dropped.
Raise
feed
dog
(see
page
23).
Machine
does
not
Feed
because
stitch
Regulate
stitch
length,
as
desired.
length
control
set
on
“O’.
Accumulations
of
lint
packed
between
Take
off
needle
plate
and
remove
lint
feed
teeth,
with
a
stiff
brush.
5.
Motor
Idles
Cause:
Remedy:
Motor
disengaging
lever
raised.
Flick
lever
down
(see
page
5).
Thread
Jamming
The
Pfaff
lotary
hook
will
not
normally
jam,
even
if
the
machine
should
be
handled
improperly.
If
thread
should
happen
to
jam
in
the
hook
raceway,
the
power
of
the
motor
in
most
instances
will
be
sufficient
to
overcome
hard
working
of
the
mechanism.
If
this
action
should
net
free
the
jammed
thread,
put
a
dvop
of
kerosene
into
the
hook
raceway,
jerk
the
balance
wheel
back,
then
rock
it
back
and
forth.
39