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Liebersew 737 - To The Operaters; How To Install The Machine; How To Operate The New Machine; Lubrication And Drainage

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Machine.
Before operating
this machine,
please
study this book
thoroughly,
understand
the functions
and
features of the
machine. Then
it
will help
you to
increase
your
sewing efficiency
and
quality.
ATTENTION:
Because
this
is an ultra
high
speed machine.
Do
not run it before filling oil
and
i::king
sure the correct turection
of
motor.
ffi
1. Install
the machine according
to the table
cut-out
diagram, Cushion
Rubber
and Rest Board
as enc-
losed. In case of semi-submerged,
the
distance
between Needle
plate
top surface and Table
Top is
about
100mm,
and
for fully-submerged
is about
5mm.
2. Setting
the
pedal
of
clutch motor
to the left
side
and the
pedal
of
presser foot lift at right ride.
3.
Install the
cloth
waste
chute,
thread stand
as
parts
list.
4. Be sure the motor
turning direction
is clockwise.
And the belt can
be
pressed
inward about 10mm.
NOTE:
The dimensions
of motor
pulley
and sewing
speed are
shown
in Table 1.
Please run the new machine in the
first
four at20Vo less
speed than maximum. Then replace the
new oil and threafter the machine
may be operated
up
to
maxim um
speed.
Lubricatdn.And'
age
1. Lubrication Fig.l
Remove Screw A and fill
in enclosec
ultra high
speed lubricate oil
(or
similar
to Mobil#lO, Esso#32)
until
the top of
Oil
level indicator between
two
lines
of
Oil
Level Sight
Window,
Then replace Screw A.
When the
machine
is operated
for the
first time
is was
idle for
a long time,
please
be
sure to oil
the
top of
the needle holder,
guide,
upper
looper
guide etc . before operating
the machine.
2. Drainage
Fig.2
Remove Screrv
A
and drain out
the oil then
eplace Screw
A.
For keeping the
good
lubrication and
machine
life.
please
replace the
new
oil
when
the new machine
has been operating
over four
weeks, And after
that,
change
oil every
four months.
This machine
has been fixed with oil
filer, Please
clean it every
month or replace a new
one
if nec-
essary.
3. Needle Cooling
Lubrication
Silicon
oil.
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. i
.
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