Avoid placing fingers, hairs, bars etc., near the balance wheel,
(
or motor when the machine
(
5)
Do not insert fingers into the thread take-up cover, under/around the needle, or balance wheel when the
is
machine
(
6)
If
a belt cover, finger guard, eye guard are installed, do not operate the machine without these safety
devices.
2)
Precautions before Starting Operation:
(
1)
If
the machine's oil pan has an oil sump, never operate the machine before filling it.
2)
If
(
(
the machine
3)
When a new sewing machine
in operation.
power
on, keep your hands and fingers away from the area around/under the needle
off
when the machine
off
when tilting the machine head, installing' or removing the
is
in
is
lubricated by a drop oiler, never operate the machine before lubricating.
is
is
not
in
use, or when the operator leaves the seat.
"V"
belt, bobbin winder balance wheel,
operation.
first turned on, verify the rotational direction
"V"
belt, adjusting
of
the balance wheel with
the power on. (The balance wheel should rotate counter-clockwise when viewed from the balance
wheel.)
4)
Verify the voltage and (single or' three) phase with those given on the machine nameplate.
(
3)
Precautions for Operating Conditions:
(
1)
Avoid using the machine at abnormally high temperature
lower) .
2)
Avoid using the machine in dusty conditions.
(
2.
MAIN
SPECIFICATIONS
Max. Speed(rpm)
Needle
Needle
Thread Take-up Lever Stroke(mm)
Presser-Foot Stroke
Bar
Stroke(mm)
Stitch Length(mm)
By
By
Hand
Knee
C35°C
or
higher)
.
or low temperature
800
DYX3
26#
56
96
7.5
13
20
(SOC
or
-2-
3. PREPARATION FOR OPERATION
1 ) Cleaning the machine
Before leaving the factory, the machine parts are coated with rust-preventive grease, which may be hardened
and contaminated by dust during storage and shipment. This grease must be removed with gasoline.
2)
Examination
Though every machine is confirmed by strict inspection and test before leaving the factory, the machine
parts may be loose or deformed after long distance transportation with jolt. A thorough examination must be
performed after cleaning the machine. Turn the balance wheel to see
If
collision, uneven resistance or abnormal noise.
run-in operation.
3)
Lubrication C
Fig.l.l,
Fig.1.2)
these exist, adjustment must be made accordingly before
if
there is running obstruction, parts
When a
long time
CAUTION:
new
sewing machine
is
used again, replenish a st{itable amount
Please
Always
use
keep
white
the
is
used for the first time, or sewing machine left out
spindle
presser
oil.
foot
lifted
0
Fig.l.l
Fig.l.2
of
oil to the pmiions indicated
before
attempting a dry
I I I
of
use for considerably
by
arrow
in
below figure.
run.
\
4)
Testing
In
order to get the best working situation, run the sewing machine in a low speed for about I month after
lubricated fully. Then increase the speed to the need one.
CAUTION:
The needle used by this sewing machine is DY X 3 26#. During operation, proper needle can be chosen
according to the sewing thread.
Before
using
the
(the
following
sewing thread should be able to pass the pinhole.)
procedures,
be
sure
-3-
to
turn
the
power
switch
off.
4.
REPLACE NEEDLES CFig.2)
CAUTION:
The
upper end
leftward fully insert the needle shank up to the bottom
screw (A).
Note: Fig. (b): insufficient insertion.
Before
needle used by this sewing machine
of
Fig. (c): wrong direction
using
its stroke. Loosen needle clamp screw (A). While keeping the long groove
the
of
following
long groove .
procedures,
is
DY
X 3 26#. Turn the balance wheel to lift needle bar to the
.-----------------------------,
Long
//
p·oove
0
Fig.2
be
sure
to
turn
the
power
of
the needle socket. Then tighten needle clamp
X
X
switch
of
the needle
off.
5.
WINDING OF BOBBIN THREAD CFig.3)
(
1)
Push the bobbin 3 on the bobbin winder shaft as far as it will go.
2)
Bring the thread forward toward the bobbin and wind from below in clockwise direction several times
(
around the bobbin.
C
3)
Push the lever 5 toward other side so that the driving wheel and driven wheel will engage and then start
the machine.
4)
The driven wheel will automatically be free from the driving wheel and stop after the bobbin
(
with thread.
6.
ADJUSTMENT OF THE BOBBIN WINDER CFig.3)
1)
In case
If
the left as may be required, then tighten the nut.
2)
Winding amount
Loose the screw 6.move adjusting plate 5 towards the axis can decrease the amount
bobbin, and move backwards can increase it.
3)
Winding strength
of
uneven winding
the thread does not wind evenly on the bobbin, loosen the nut I and move the bracket 2 to the right or to
of
thread
of
thread winding on the
is
filled
Strength
7.
THREADING CFig.4)
Raise the needle bar to its highest position and route the upper thread in the order illustrated beside.
of
the winding can be adjusted with the nut
1.
-4-
Fig.3
8.
REMOVING AND INSERTING THE BOBBIN
Fig.4
( 1 ) Removing:
(
2)
Installation: Put the bobbin
freely. Install the bobbin in the bobbin case so that the thread wound direction is clockwise. Then close
the rotary
9.
ADJUSTING THE THREAD TENSION CFig.5)
For ordinary stitching, the tension
1)
Tension
Before adjusting the tension
serrated nut
if
you desire to decrease the tension.
2)
Tension
The lower thread tension is controlled by the larger screw near the end
bobbin case. Turning this screw to the right (clockwise) will increase the thread tension, while turning
the left (counter-clockwise) will decrease the tension .
Open
the shuttle race' cap and the bobbin holder, then take
in
the rotary hook case, Permit about 5
hook
and the shuttle race cap.
of
the upper and the lower threads should be equal.
of
the upper thread
of
the upper thread, be sure that presser foot is let down. To adjust tension, turn
on
tension device to the right (clockwise) to increase tension and to the left (counter-clockwise)
of
the lower thread
out
the bobbin.
em
of
bobbin thread to hand down
of
the spring at the outside
.
Upper
Wei
I balance or
thread strong
lower
thread
weak
Upper
thread
lower
thread strong
weak
or
of
it
the
to
10. ADJUSTMENT OF PRESSER FOOT PRESSURE CFig.6)
Pressure should be adjusted according to the material to be sewn.
( 1 )
(
2)
Pressure
set before shipment.)
(
3)
Sewing pressure should be adjusted to the minimum required strength.
on
both the walking foot and the presser foot can be adjusted. (The adjusting screw has been
-5-
Fig.5
11.
ADIDS1MENT OF STITCH LENGTH AND
(Fig..7)
( 1 ) Stitch length can be changed by the stitch length adjusting bolt.
(
2)
Stitch length can be adjusted between 0-8mm.
(
3)
Setting the stitch length adjusting bolt upside can sewing ahead, and setting it downside can go
backstitch.
FORWARD/BACKWARD
SEWING
Fig.6
12. FEED
The feed dog should be 1.5mm higher than the vertex
Adjustment
( 1 ) Turn the stitch length to the minimum position.
2)
(
(
3)
13.
ADJUSTING
When the needle bar
needle plate and the needlepoint
( 1 ) Take down the face plate, adjust the needle bar to its highest position.
(
2)
3)
(
4)
(
DOG
Turn the machine balance wheel so as to raise the feed dog to its
highest point.
Loosen the screw
raising or lowering it. Then tighten the
Loosen the screw
Adjust the needle bar to the right position.
Tighten the screw.
HEIGHT
of
the feed dog height can be done as follows:
of
the feed dog 1 and adjust the height
THE
is
at its highest point, normally the measurement between the highest point
of
needle bar connecting stud screw.
CFig.8)
screwl.
HEIGHT
is
28 mm. When this distance need to be adjusted, the steps
OF
THE
of
the needle plate.
of
part 2 by
NEEDLE
Fig.8
BAR
Fig.7
is
as follows:
of
the
14. USING
If
you want to change the position
running, you can use the hand wheeL
make the clutch connected then rotate