Simplicity 621-401-008 User manual

Simplicity
Model 621-401-008
Sewing Machine
Instruction Manual

Dear Owner:
You can be proud of your new sewing machine – an outstanding product of many years of development. The
highest quality materials and functional design are combined in it to achieve years of dependable service.
If you have ever admired the beautiful and intricate sewing professional seamstresses, you will be amazed
and delighted to learn that you can now do it yourself with this remarkable sewing machine.
Before attempting to sew, however, please read this instruction book carefully. If you follow these instructions
and give your machine proper care, it will operate perfectly for many years.
Should the machine fail to function correctly, stop sewing and review the manual before starting again. Time
spent in learning the features, controls and adjustments of your machine will climate errors and will result in
satisfaction and enjoyment of your sewing skills.
Retyped by Mastersewusa.com 1

“IMPORTANT SAFETY INSTRUCTIONS”
“When using an electrical sewing machine, basic safety precautions should always be followed, including the following.”
“Read all instructions before using this sewing machine.”
“This sewing machine is designed for household use.”
“DANGER- TO REDUCE RISK OF ELECTRIC SHOCK:”
“A sewing machine should never be left unattended when plugged in. Always unplug this sewing machine from the electrical
outlet immediately after using and before cleaning.”
“Warning-to reduce the risk of burns, fire, electric shock or injury to persons…”
1. “Do not allow to be used as a toy. Close attentions is necessary when this sewing machine is used by or near children.”
2. “Use this sewing machine only for its intended use as described in this manual. Use only attachments recommended by the
manufacturer as contained in this manual.”
3. “Never operate this sewing machine if it has a damaged cord or plug, if it is not working properly, if it has been dropped
or damages, or dropped into water. Return the sewing machine to the nearest authorized dealer or service center for
examination, repair, electrical or mechanical adjustment.”
Retyped by Mastersewusa.com 2

4. “Never operate the sewing machine with any air opening blocked. Keep ventilation openings from the sewing machine
and foot control free from the accumulation of lint, dust, and loose cloth.”
5. “Never drop or insert any object into any opening.”
6. “Do not use outdoors.”
7. “Do not operate where aerosol (spray) products are being used or where oxygen is being administered.”
8. “To disconnect, turn all controls to the off (“O”) position, then remove plug from outlet.”
9. “Do not unplug by pulling on cord, To unplug, grasp the plug, not the cord.”
A. Sewing Machines
10. “Keep fingers away from all moving parts. Special care is required around the sewing machine needle.”
11. “Always use the proper needle plate. The wring plate can cause the needle to break.”
12. “Do not use bent needles.”
13. “Do not pull or push fabric while stitching. It may deflect the needle, causing it to break.”
14. “Switch the sewing machine off (“O”) when making any adjustments in the needle area, such as threading needle,
changing needle, threading bobbin, or changing presser foot and the like,”
15. “Always unplug sewing machine from the electrical outlet when removing covers, lubricating or when making any other
user servicing adjustments mentioned in the instruction manual.”
16. “Always unplug before relamping. Replace bulb with the same rated 15 watts.”
“SAVE THESE INSTRUCTIONS”
Retyped by Mastersewusa.com 3

TABLE OF CONTENTS
Names of working parts………………….. .. 5-6
Accessories…………………………………. 7
How to connect the machine to
the power supply…………………………… 8
How to use the foot control………………… 9
Sewing lamp…………………………………. 9
Thread and needle chart…………………… 10
Changing the needle……………………….. 11
To select a suitable needle…………………. 11
Removing and attaching the presser foot… 12
Regulating the thread tension ……… 13
Reverse stitch and darning plate…………... 14
The pattern selector…………………………. 15
Removing the bobbin case and bobbin…… 16
Winding the bobbin………………………….. 17
Retyped by Mastersewusa.com
Threading the bobbin case………………… 18
Threading the needle thread……………….. 19
Drawing up the bobbin thread……………… 20
BASIC SEWING
Straight stitch and zigzag stitch……………. 21
Starting to sew………………………………. 21
Changing sewing directions………………… 22
Fastening seams…………………………….. 22
Sewing buttonholes…………………………. 23
Blind stitch hem………………………………. 24
Cleaning the feed dog …………………… 25
Sewing on button……………………………. 26
Sewing embroidery, Darning Plate………… 27
Cleaning the shuttle race…………………… 28
Free-arm sewing…………………………….. 29
Trouble shooting guide……………………… 30-31
4

PRINCIPAL PARTS
1. Bobbin winder thread guide
2. Thread tension dial
3. Stitch width control lever
4. Bobbin winder spindle
5. Bobbin winder stopper
6. Balance wheel
7. Stitch length dial
8. Reverse lever
Retyped by Mastersewusa.com
9. Needle clamp and screw
10. Shuttle cover
11. Presser foot
12. Presser foot thumb screw
13. Needle
14. Rear cover
15. Front cover
16. Extension table
5

6
Retyped by Mastersewusa.com

ACCESSORIES
Retyped by Mastersewusa.com 7

This product is equipped with a polarized alternating current line plug (a plug having one blade wider than
other. This plug will fit into the power outlet only one way. This is safety feature. If you are unable to insert
the plug fully into the outlet, try reversing the plug. If the plug should still fail to fit, contact an electrician to
replace the obsolete outlet. Do not defeat the safety purpose of the polarized plug.
8
Retyped by Mastersewusa.com

HOW TO CONNECT THE MACHINE TO THE POWER SUPPLY
1. Fit the machine plug into the machine.
2. Plug the machine to the power supply.
Note: *Before plugging in the machine, ensure that the voltage and
number of cycles indicated, conforms to your electrical power
supply.
HOW TO USE THE FOOT CONTROL
Sewing speed can be varied by the foot control. The harder you press
on the controller, the faster the machine runs.
Note: *By releasing the controller, the machine stops running
automatically.
*Before using the machine, practice controlling the speed with
out threading.
HOW TO REPLACE THE SEWING LAMP
Before replacing a lamp, disconnect the machine from the power
supply.
To replace the sewing lamp, use the sewing lamp holder which you
may find in the accessory storage.
Push the holder from bottom until the lug over the sewing lamp, and
twist the holder together with sewing lamp in counterclockwise, until
the lamp is taken down.
To replace the new sewing lamp, twist the holder together with sewing
lamp in clockwise.
Retyped by Mastersewusa.com 9

THREAD AND NEEDLE CHART NEEDLE TYPE: 15x1
FABRICS THREADS NEEDLE SIZE
LIGHT
WEIGHT Sheer cotton, Silk
Synthetics, Georgette
Fine Silk
Fine Cotton
Fine Synthetic
Fine Cotton Covered Polyester
9 or 11
MEDIUM
WEIGHT Medium Weight Cottons, Synthetics,
Poplin, Velvet, Light Weight Wools
50 silk
50 to 80 Cotton
50 to 60 Synthetic
Cotton Covered Polyester
11 or 14
HEAVY
WEIGHT Heavy Weight Cottons, Denim
Tweed, Gabardine, Drapery
50 Silk
40 to 50 Cotton
40 to 50 Synthetic
Cotton Covered Polyester
14 or 16
Note *In general, fine threads and needles are used for sewing thin fabrics, and thicker threads and needles are
used for sewing heavy fabrics. Always test thread and needle size on a small piece of fabric, which will be
used for actual sewing.
*Use the same thread for needle and bobbin.
*When sewing stretch, or fine fabrics and synthetics, use a BLUE SHANK needle. The blue shank needle
effectively prevents skipped stitches.
*When sewing very fine fabrics, sew over a piece of paper to prevent yarn distortion.
Retyped by Mastersewusa.com 10

CHANGING THE NEEDLE
1. Turn the balance wheel towards you until the needle is at is
highest position.
2. Loosen the needle clamp screw by turning its top edge
towards you. Remove the needle from the clamp.
3. Place the new needle in the needle clamp with its flat side
facing away from you. Push the needle up into the needle
clamp as far possible.
4. Tighten the needle clamp screw firmly.
TO SELECT A SUITABLE NEEDLE
■A number indicating the size of
needle is marked on the stem.
The higher the number, the
thicker the needle.
●Do not use any needle which is
bent of blunted.
Retyped by Mastersewusa.com 11

REMOVING AND ATTACHING THE PRESSER FOOT
To Remove:
1. Turn the balance wheel towards you until the needle is at its highest position.
Raise the presser foot by lifting the presser foot lifter.
2. By lifting the lever on the back of the foot holder, the presser foot will drop off.
Note: *Do not force the presser foot to remove it.
To Attach:
1. Place the presser foot so that the pin on the foot lies just under the groove of
the foot holder. Lower the foot holder.
2. When the presser foot lifter is raised you’ll find the presser foot is locked in
place.
Retyped by Mastersewusa.com 12

REGULATING THE THREAD TENSION
Generally, should any tension adjustment be necessary, the adjustment can normally be made by regulating the upper
thread tension dial only. Bobbin thread tension has been adjusted at the factory and readjustment is seldom required except
for special instances, thread and fabric.
Bobbin thread tension is just right when you can pull the thread from bobbin case easily with a little resistance.
Thread tension may be adjusted by tightening or loosening the thread tension dial.
The needle thread and the bobbin thread
Should interlock in the center of two layers of fabric.
rem
Remember the higher the number, the tighter the tension. Correctly balanced tension for one fabric may not be suitable for
another. The required tension depends upon the stiffness of fabric, thickness of the fabric, numbers of layers of fabric being
sewn, as well as the type of stitch you are making. It is better to test the stitching on a scrap of the fabric you are using
before starting to make a garment. 13
Ret
yp
ed b
y
Mastersewusa.co
m

STITCH LENGTH DIAL REVERSE LEVER
STITCH LENGTH DIAL
To change the length of the stitches proceed as follows:
Turn the dial so that the number for the required stitch length
is at setting mark. The numbers indicate the approximate is at
setting mark. The numbers indicate the approximate stitch
length in millimeters. The lower the number, the shorter the
stitch.
REVERSE STITCH
Press downward the reverse lever and hold for reverse
stitching. Fabric will immediately start feeding backwards.
Release the lever and machine will resume normal forward
sewing. Release the lever and machine will resume normal
forwarding sewing. Very useful for fastening ends of seams
and darts without having to tie threads, and for strengthening
seams.
Retyped by Mastersewusa.com 14

STITCH WIDTH CONTROL
The desired stitch width can be selected by moving the control lever of the dial. The marks on the dial
correspond to the different stitch width shown on the panel respectively, as follows:
Retyped by Mastersewusa.com 15

REMOVING THE BOBBIN CASE AND BOBBIN
1. Raise the presser foot and turn the balance wheel towards
you until the thread take-up lever is at its highest position.
2. Open the shuttle cover.
3. Open the hinged latch of the bobbin case and pull the bobbin
case out of the machine.
Release the latch and the bobbin will fall out. As long as you
hold the bobbin case latch open, the bobbin cannot drop out.
Retyped by Mastersewusa.com 16

WINDING THE BOBBIN
1. Release the clutch by turning the clutch knob
toward you.
2. Draw the thread from the spool through the
bobbin winder tension disc as shown.
3. Pull the end of the thread through the hole in
the bobbin as shown.
4. Place the bobbin onto the bobbin winder shaft
with the end of the thread coming from the
top of the bobbin. Push the bobbin winder
shaft to the right until it clicks. Holding onto
the end of the thread, start the machine.
When the bobbin is slightly filled, snip off the
end of the thread.
5. Wind the thread until the winder stops above
the bobbin. Clip the thread tighten the clutch
knob.
6. Tighten the clutch knob.
17
Retyped by Mastersewusa.com

THREADING THE BOBBIN CASE
Hold the bobbin between the thumb and forefinger of your right
hand and pull off about 15 cm (16 inches) of thread.
1. Hold the bobbin case in your left hand as shown and place
the filled bobbin inside.
2. Pull the thread into the slot in the edge of the bobbin case.
3. Now pull the thread under the tension spring and into the
thread eyelet.
To insert the bobbin case and bobbin…..
Make sure that about 15 cm (6 inches) of thread extends
out of bobbin. Hold the bobbin case so that the long finger
of the case points up. Open the latch of the bobbin case.
Slip the bobbin case over the center pin of the hook and
press in place until the long finger of the bobbin case
enters the notch. Release the latch and press down.
Retyped by Mastersewusa.com
18

THREADING THE NEEDLE THREAD
ⒶRaise presser foot lifter.
Ⓑ Raise take-up lever to the highest position
by turning handwheel towards you.
Thread following numbers ①- ⑦.
Retyped by Mastersewusa.com 19
Table of contents
Other Simplicity Sewing Machine manuals

Simplicity
Simplicity DenimStar sw210 User manual

Simplicity
Simplicity Serge Pro SW432 User manual

Simplicity
Simplicity Fashion Pro SW2145 User manual

Simplicity
Simplicity S210 User manual

Simplicity
Simplicity American Denim SA1100 User manual

Simplicity
Simplicity SA200 User manual

Simplicity
Simplicity Serge Pro SW432 User manual

Simplicity
Simplicity SA2200 User manual

Simplicity
Simplicity American Denim SA1100 User manual

Simplicity
Simplicity Creative Spirit Plus SA2200 User manual