Operation Manual

Noisy
Running
Inaccurate
Feeding
Cause:
Remedy:
Cause:
Remedy:
Lint
or
odd
thread
accumulated
in
the
Clean
and
oil
shuttle
race
according
Feed
dog
set
too
low
so
that
it
does
not
Adjust
position
of
feed
dog
so
that
it
shuttle
race.
to
instructions
given
in
sections
21
and
come
up
sufficiently
above
needle
plate
shows
a
full
tooth
above
the
needle
22.
level,
plate.
Lintandfluff
accumulated
between
tooth
Take
off
needle
plate
and
remove
lint
rows.
using
a
graver.
Need
plate
improperly
inserted
after
Unscrew
needle
plate
and,
if
necessary,
removal,
also
feed
dog,
then
readjust.
Feeder
jams
needle
plate
cutouts.
Insufficient
pressure
exerted
on
the
ma
Increase
pressure
by
tigthening
screw
V
tend
by
the
presser
foot.
(see
section
1
8).
Machine
running
dry
or
oiled
with
Clean
and
oil
machine
as
per
instruc-
Note:
If
machine
does
not
feed
at
all,
check
whether
feed
dog
has
not
been
disen
Kerosene.
tions
in
sections
21
and
22.
gaged
or
stitch
length
lever
set
at
zero.
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