Bernina 531 Manual - Page 16

Important, Oiling, Instructions

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410.P' (JP* \ , Fir. 14 When the machine has been kept in a very cold room, it should be opened and placed in a warm room about one hour before use so that it assumes room temperature and allows the oil in the bearings to becomes liquid again. 26 Important Oiling Instructions 1. Excessive oiling will cause trouble. 2. If the speed of a machine has substantially decreased, this is generally due to excessive oiling of the motor. 3. The motor of every new machine is oiled at the factory, and need nut be oiled during the first year. 4. After the first year, the motor requires oiling only every six months if the machine is in daily use, a maximum of 4-5 drops being placed into the two oiling points marked in red. If the machine is used once a week, oue annual oiling in the second and subsequent. years is sufficient. 5. If the motor is oiled too little, this condition is shown by abnormal noise. 6. To oil the motor, remove the motor housing. The two diagonally opposite nickel-plated screws below the bed plate are removed and 4-5 drops light, odorless sewing machine oil are applied to the points marked in red on the two bearings. 7. Always make sure that all other portions of the motor are kept free from oil. 8. These instructions apply to the motor only. 27

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\
410.P'
(JP*
,
Fir.
14
When
the
machine
has
been
kept
in
a
very
cold
room,
it
should
be
opened
and
placed
in
a
warm
room
about
one
hour
before
use
so
that
it
assumes
room
temperature
and
allows
the
oil
in
the
bearings
to
becomes
liquid
again.
26
Important
Oiling
Instructions
1.
Excessive
oiling
will
cause
trouble.
2.
If
the
speed
of
a
machine
has
substantially
decreased,
this
is
generally
due
to
excessive
oiling
of
the
motor.
3.
The
motor
of
every
new
machine
is
oiled
at
the
factory,
and
need
nut
be
oiled
during
the
first
year.
4.
After
the
first
year,
the
motor
requires
oiling
only
every
six
months
if
the
machine
is
in
daily
use,
a
maximum
of
4-5
drops
being
placed
into
the
two
oiling
points
marked
in
red.
If
the
machine
is
used
once
a
week,
oue
annual
oiling
in
the
second
and
subsequent.
years
is
sufficient.
5.
If
the
motor
is
oiled
too
little,
this
condition
is
shown
by
abnormal
noise.
6.
To
oil
the
motor,
remove
the
motor
housing.
The
two
diagonally
opposite
nickel
-plated
screws
below
the
bed
plate
are
removed
and
4-5
drops
light,
odorless
sewing
machine
oil
are
applied
to
the
points
marked
in
red
on
the
two
bearings.
7.
Always
make
sure
that
all
other
portions
of
the
motor
are
kept
free
from
oil.
8.
These
instructions
apply
to
the
motor
only.
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27