SINGER 10UJ13 User Manual
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PREFACE
Thank you for your purchase of this machine.
Please refer to this booklet for proper use and optimum service of this
machine.
CONTENTS
1. Setting up the machine ...................................................................... 1
1-1 Correct installation of the motor
1- 2 Connecting the controller to the motor
2. Overedging .......................................................................................... 3
2- 1 How to thread correctly .............................................................. 3
2-2 Preparation and checking prior to sewing .................................. 5
2- 3 Sewing ........................................................................................ 5
3. Double chain stitching (straight seaming)
3- 1 Changing from overedging to double chain stitching
3-2 How to thread correctly .............................................................. 7
3- 3 Sewing
4. Interlocking (Safety stitching)
4- 1 Changing from double chain stitching to interlocking
4-2 How to thread correctly ............................................................ 10
4- 3 Sewing ...................................................................................... 10
5. Thread tension adjustment ............................................................... 11
5- 1 How to adjust the overedging seams ...................................... 11
5-2 How to adjust the double chain stitching seams
6. Presser foot adjustment .................................................................... 13
7. Adjusting stitch length ........................................................................ I3
8. Sewing speed ................................................................................... 14
9. How to install the needle.................................................................... 14
10. Replacing the cutting knives ......................................................... 15
11. Lubrication ......................................................................................... 18
12. Checking and adjustment
13. Applicational notes ............................................................................ 17
13-1 How to set the presser foot for sewing knitted material
(used only for double chain stitching)
13-2 Double-hinged presser foot ..................................................... 17
13-3 Removing stitches of double chain stitching seams
14. Supplement ....................................................................................... 19
15. Changing the carbon brushes of the motor ....................................... 20
16. Specifications ................................................................................... 21
17. Table showing relationship between thread and cloth
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SETTING UP THE MACHINE
It is important that this sewing machine be set up
in the correct manner before use,
1-1 Correct installation of the motor
• Loosen the two belt cover screws and detach
the belt cover.
• The bracket set screw {Figure 2), bracket set
washer (Figure 2) and the belt are packed in
this set and attached to the machine body
by fastening the set screw while setting the
belt as shown in Figure 3.
Belt tension is considered adequate, if it
bends slightly when pressed by finger as
shown in Figure 4, When the belt tension is
not adequate, further adjust the tension by
moving the belt tension adjusting nut
(Figure 4) to the right or left.
• Replace the belt cover.
Figure 5
1-2 Connecting the controller to the motor
Connect the controller socket as shown in
Figure 5.
Next, insert the plug into the power source.
This machine runs faster when the controller
pedal is depressed with strong force, and the
speed decreases when the controller pedal is
lightly depressed.
*For safety, remove the power supply
plug after use.
Be sure not to place anything on the
controller.
OVEREDGING
2
2-1 How to thread correctly
(1) Spool setting
Large thread cones (Figure 6) are
generally used for this machine, how
ever, it is possible to use small thread
spools (Figure 6) as well. In this case,
it is required that the thread spool be
set in such a way that the winding
stop groove in on the bottom.
(2) Lower thread (looper thread) insertion
First, open the front cover as shown in
Figure 8.
Then, the thread should be inserted in
the order as shown in Figure 9. After
inserting the thread, close the front
cover.
* Threading for overedging is diagramed
in red inside the side cover.
First pull the knob to the right and
then push downward.
Figure 12
8 Correct threading at looper section.
Figure 11
(3) How to thread the upper thread correct
ly (needle thread)
The thread should be inserted in the
order shown in Figure 1 2.
After inserting the thread from the
front to rear through the needle eye
while facing the machine, the end of the
thread should be pulled out about 10
cm.
* Tweezers are helpful for threading
needle eyes.
Note: For overedging, the left-hand
needle should be removed (see
page 14)
2-2 Preparation and checking prior to sewing
At the time of shipment, this machine is set
for interlocking. However, please recheck
the machine again in the order given below.
(1) Is the tip of the blade on the upper
knife facing in a downward direction?
(The knife should be in the position to
cut the cloth.) (Figure 14)
(2) Is the crank lever in the slot? (Figure 15)
(3) If the crank lever is not in the slot,
rotate the machine pulley by hand
placing the needle in the lowest posi
tion, At this point, the crank lever may
be set into the slot by pushing down
ward, thus allowing the looper for
overedging to operate.
2-3 Sewing
(1) After the completion of threading, hold
the ends of both the upper and lower
threads with the fingers of the left hand
creating a minor tension as shown in
Figure 16 and turn the machine pulley
with the right hand in the clockwise
direction.
Confirm that both threads are inter
twining. Then, set the cloth, and begin
to sew. (Figure 17)
(2) If the tension balance of the upper and
lower threads is not satisfactory, it is
possible that puckering will appear on
the cloth or that the seams will become
irregular.
Refer to the section "Thread tension
adjustment". (Page 11)
(3) After the seam is completed, continue
sewing about 3—5 cm at the end of the
cloth and cut the threads as shown in
Figure 18.
Figure 17
Figure 18
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