Sewist 525S
INSTRUCTION BOOK
Model 525S
IMPORTANT SAFETY INSTRUCTIONS
When using an electrical appliance, basic safety precautions should always be followed, including the
followings:
Read all instructions before using this appliance.
DANGER— To reduce the risk of electric shock:
1. An appliance should never be left unattended when plugged in. Always unplug this sewing machine
from the electric outlet immediately after using and before cleaning.
2. Always unplug before replacing a sewing machine bulb. Replace bulb with same type rated 15 Watts.
WARNING— To reduce the risk of burns, fire, electric shock, or injury to persons:
1. Do not allow children to play with the machine. The machine is not intended for use by children or
infirmed persons without proper supervision.
Do not allow to be used as a toy. Close attention is necessary when this sewing machine is used by
or near children.
2. Use this appliance only for its intended use as described in this owner’s manual.
Use only attachments recommended by the manufacturer as contained in this owner’s 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 damaged, or dropped into water.
Return this sewing machine to the nearest authorized dealer or service center for examination,
repair, electrical or mechanical adjustment.
4. Never operate the appliance with any air opening blocked. Keep ventilation openings of this sewing
machine and foot controller free from 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.
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 wrong 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 this sewing machine off (“O”) when making any adjustment in the needle area, such as
threading the needle, changing the needle, threading the bobbin or changing the presser foot, and
the like.
15. Always unplug this sewing machine from the electrical outlet when removing covers, lubricating, or
when making any other adjustments mentioned in this owner’s manual.
SA VE THESE INSTRUCTIONS
The design and specifications are subject to change without a prior notice.
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SECTION 1. KNOW YOUR MACHINE
Names of Parts .............................................................. 2
Standard Accessories.................................................... 3
Accessory storage.......................................................... 3
Extension Table ............................................................. 4
Free-arm sewing............................................................ 4
SECTION 2. GETTING READY TO SEW
Connecting the Power Supply ....................................... 5
Controlling the Sewing Speed ....................................... 5
Reverse Stitch Lever ..................................................... 6
Foot Pressure Dial ......................................................... 6
Dropping the Feed Dog ................................................. 6
Raising and Lowering the Presser Foot ........................ 7
Changing the Presser Foot............................................ 7
Removing and Attaching the Foot Holder ..................... 7
Changing Needles ......................................................... 8
Needle and Thread Chart............................................... 8
Winding the Bobbin........................................................ 9
Setting the spool ............................................................ 9
Removing the bobbin..................................................... 9
Winding the bobbin ...................................................... 10
Inserting the bobbin ..................................................... 11
Threading the Machine ................................................ 12
Needle threader ........................................................... 13
Drawing up the Bobbin Thread.................................... 14
Selecting the Stitch Pattern ......................................... 15
Pattern selector dial ..................................................... 15
Stitch Length Dial......................................................... 15
Adjusting stretch stitch balance ................................... 16
Stitch Width Dial .......................................................... 16
Variable needle position .............................................. 16
Balancing Needle Thread Tension .............................. 17
SETION 3. BASIC SEWING
Straight Stitch Sewing.................................................. 18
Changing the sewing direction .................................... 18
Finishing sewing .......................................................... 18
Seam guides on the needle plate ................................ 19
Turning a square corner .............................................. 19
SECTION 4. UTILITY STITCHES
Basic Zigzag ................................................................ 20
Overcasting.................................................................. 20
Knit Stitch..................................................................... 21
Tricot Stitch (Multiple Zigzag Stitch)............................ 21
Straight Stretch Stitch.................................................. 22
Zigzag Stretch Stitch.................................................... 22
Button Sewing.............................................................. 23
Automatic Buttonhole................................................... 24
Adjusting the buttonhole stitch density............................. 26
Corded Buttonhole....................................................... 27
Manual Buttonhole....................................................... 28
Zipper Application ........................................................ 30
Blind Hemming............................................................. 33
SECTION 5. DECORATIVE STITCHES
Decorative Satin Stitches............................................. 34
Decorative Stretch Stitches ......................................... 34
Smocking ..................................................................... 35
Quilting......................................................................... 36
Pin Tucking .................................................................. 37
Shell Tucking ............................................................... 37
Fagoting ....................................................................... 38
Patchwork .................................................................... 38
Appliqué ....................................................................... 39
SECTION 6. CARE AND MAINTENANCE
Cleaning the Hook Race and Feed Dogs.................... 40
Replacing the Bobbin Holder....................................... 41
Replacing the Light Bulb.............................................. 41
Troubleshooting ........................................................... 42
TABLE OF CONTENTS
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Names of Parts
q Bobbin winder stopper
w Bobbin winder spindle
e Hole for additional spool pin
r Spool holder
t Spool pin
y Bobbin winder thread guide
u Thread take-up lever
i Foot pressure dial
o Face plate
!0 Thread cutter
!1 Needle threader
!2 Needle plate
!3 Extension table (Accessory storage)
!4 Hook cover plate
!5 Hook cover plate release button
!6 Thread tension dial
!7 Reverse stitch lever
!8 Stitch length dial
!9 Pattern selector dial
@0 Stitch width dial
@1 Presser foot
@2 Needle
@3 Needle clamp screw
@4 Foot holder
@5 Setscrew
@6 Carrying handle
@7 Handwheel
@8 Power switch
@9 Machine socket
#0 Drop feed lever
#1 Free-arm
#2 Buttonhole lever
#33 Foot lifter
SECTION 1. KNOW YOUR MACHINE
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Standard Accessories
q Overedge foot C
w Zipper foot E
e Blind hemming foot G
r Buttonhole foot B
t Automatic buttonhole foot R
y Needles
u Bobbins
i Screwdriver
o Lint brush
!0 Seam ripper (buttonhole opener)
!1 Quilting guide
!2 Spool holder (large)
!3 Spool holder (small)
!4 Additional spool pin
!5 Felt cushion
Accessory storage
The standard accessories can be stored in the accessory
storage box under the extension table.
Draw out the storage box from the table as shown.
q Accessory storage box
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Extension Table
To detach:
Pull the extension table to the left.
To attach:
Insert the pin into the hole and push the extension table to
snap it in place.
q Pin
w Hole
Free-arm sewing
Free-arm sewing is used for stitching sleeves, waistbands,
pant legs or any other tubular garments.
It is also useful for darning socks or mending knees or
elbows.
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Connecting the Power Supply
z Turn the power switch off.
x Insert the machine plug into the machine socket.
c Insert the power supply plug into the wall outlet.
v Turn the power switch on.
q Power switch
w Machine plug
e Machine socket
r Power supply plug
t Wall outlet
NOTE:
Before connecting to the power supply, make sure the
voltage shown on the machine conforms to your
electrical power.
WARNING:
While in operation, always keep your eyes on the sewing
area, and do not touch any moving parts such as the
thread take-up lever, handwheel or needle.
Always turn off the power switch and unplug from the
power supply:
- when leaving the machine unattended.
- when attaching or removing parts.
- when cleaning the machine.
Do not place anything on the foot control, otherwise the
machine will run intermittently.
Operating Instructions:
The symbol "O" of a switch indicates the "off" position of a switch.
For an appliance with a polarized plug (one blade wider than the other):
To reduce the risk of electrical shock, this plug is intended to fit in a polarized outlet only one way.
If it does not fit fully in the outlet, reverse the plug. If it still does not fit, contact a qualified electrician to install the
proper outlet. Do not modify the plug in any way.
The foot controller Model YC-482J or TJC-150 is used with the sewing machine Model 525S (USA market only).
SECTION 2. GETTING READY TO SEW
Controlling the Sewing Speed
Foot control
Sewing speed can be varied by the foot control.
The harder you depress the foot control, the faster the
machine runs.
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Reverse Stitch Lever
Push the reverse stitch lever down to sew in reverse.
The machine will sew in reverse while the lever is
pushed.
Foot Pressure Dial
Turn the foot pressure dial to adjust the foot pressure.
The foot pressure dial should be set at “3” for regular
sewing.
Reduce the pressure to “2” for appliqué, cutwork, draw
work and basting.
Set the setting mark at “1” when sewing chiffon, lace,
organdy and other fine fabrics.
q Setting mark
Dropping the Feed Dog
The drop feed lever is located underneath the free-arm
bed on the backside of the machine.
To drop the feed dog, push the lever in the direction of
the arrow, as illustrated.
To raise the feed dog, push the lever in the direction of
the arrow, as illustrated, and turn the handwheel toward
you.
The feed dog must be up for regular sewing.
q Drop feed lever
w Raised position
e Lowered position
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Raising and Lowering the Presser Foot
The presser foot lifter raises and lowers the presser foot.
You can raise the foot about 1/4" (0.6 cm) higher than
the normal up position for easy removal of the presser
foot, or to help you place heavy fabric under the foot.
q Lowered position
w Normal up position
e Extra up position
Changing the Presser Foot
To remove:
Raise the needle to its highest position by turning the
handwheel counterclockwise. Raise the presser foot,
and press the lever on the back of the foot holder.
q Lever
CAUTION:
Turn OFF the power switch before changing the foot.
Always use the proper foot for the selected pattern.
The wrong foot can cause the needle to break.
Do not push the lever down to prevent it from being
broken.
To attach:
Place the desired presser foot, so that the pin on the foot
lies just under the groove on the foot holder. Lower the
presser foot lifter to lock the foot in place.
w Groove
e Pin
Removing and Attaching the Foot Holder
WARNING:
Turn OFF the power switch before detaching or
attaching the foot holder.
To remove:
Remove the setscrew by turning it counterclockwise with
a screwdriver and remove the foot holder.
To attach:
Match the hole in the foot holder with the threaded hole
in the presser bar. Fit the setscrew into the hole. Tighten
the screw by turning it clockwise with a screwdriver.
q Setscrew
w Foot holder
e Hole
r Threaded hole
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Changing Needles
CAUTION:
Always make sure to turn the power switch off and
disconnect the machine from power supply before
changing the needle.
Raise the needle by turning the handwheel and lower the
presser foot.
Turn off the power switch.
z Loosen the needle clamp screw by turning it
counterclockwise.
Remove the needle from the clamp.
q Needle clamp screw
x Insert a new needle into the needle clamp with the
flat side of the needle to the rear.
When inserting the needle into the needle clamp,
push it up against the stopper pin and tighten the
needle clamp screw firmly.
w Stopper pin
e Flat side
To check needle straightness, place the flat side of the
needle onto something flat (a needle plate, glass etc.)
The gap between the needle and the flat surface should
be consistent.
Never use a blunt needle.
r Gap
FABRIC
Chiffon, Georgette, Fine Lace, Organdy
Net, Tulle
Batiste, Voile, Lawn, Pure Silk, Crepe de Chine,
Sheer Crepe, Chambray, Handkerchief Linen,
Gingham, Challis, Percale, Wool Crepe, Peau de
Soie, Taffeta, Satin, Silk Surah, Satin-backed
Crepe, Qiana
Single Knits, Jersey, Swimwear, and Tricot
Leather, Suede
Flannel, Velour, Velvet, Muslin, Velveteen,
Poplin, Corduroy, Broadcloth, Linen, Chintz,
Gabardine, Felt, Terry, Burlap, Quilted Fabrics
Double Knits, (synthetic and natural) Stretch
Velour, Stretch Terry, Sweater Knits
Leather, Vinyl, Suede
Denim, Sailcloth, Ticking
Double Faced Wool, Heavy Coating, Fake Fur,
Drapery Fabrics
Leather, Suede
Canvas, Duck, Upholstery Fabrics
Topstitching for Special Finishes
TYPE of NEEDLE
Universal
Ball Point
Blue Tipped Needle
Universal
Blue Tipped Needle
Ball Point
Wedge Point
Leather Needle
Universal
Ball Point
Wedge Point
Leather Needle
Denim Needle
Universal
Wedge Point
Leather Needle
Universal
Topstitching Needle
WEIGHT
Very Light
Light
Medium
Heavy
Very Heavy
NEEDLE SIZE
9 (65)
9 (65)
11 (75)
11 (75)
12 (80)
11 (75)
11 (75)
11 (75)
14 (90)
14 (90)
14 (90)
16 (100)
16 (100)
16 (100)
18 (110)
16 (100)
14 (90)
Needle and Thread Chart
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Winding the Bobbin
Setting the spool
Place a spool of thread on the spool pin with the thread
coming off the spool as illustrated.
A: Press the large spool holder firmly against the spool
of thread.
q Large spool holder
B: For a small spool, use the small spool holder.
w Small spool holder
Additional spool pin
The additional spool pin is for bobbin winding without
unthreading the machine.
Insert the additional spool pin into the hole.
Place the felt and a spool on the pin.
e Additional spool pin
r Spool pin felt
t Spool pin hole
Removing the bobbin
z Push the hook cover plate release button to the right
and remove the cover plate.
q Hook cover plate release button
w Hook cover plate
x Lift out the bobbin.
e Bobbin
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(A)
(B)
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Winding the bobbin
z Pull out the handwheel to disengage the clutch.
q Handwheel
x Draw the thread from the spool. Guide the thread
around the bobbin winder thread guide.
w Bobbin winder thread guide
c Thread through the hole in the bobbin from the inside
to the outside.
Put the bobbin on the bobbin winder spindle with the
free end of the thread coming out at the top.
e Bobbin winder spindle
v Push the bobbin to the right.
NOTE:
Do not move the bobbin winder spindle while the
machine is running.
b With the free end of the thread held in your hand,
depress the foot control. Stop the machine when the
bobbin has been wound a few layers, and cut the
thread close to the bobbin.
n Depress the foot control again. When the bobbin is
fully wound, it will stop automatically.
Return the bobbin winder to its original position by
moving the spindle to the left, and cut the thread as
illustrated.
m Push in the handwheel to engage the clutch.
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Inserting the bobbin
z Place the bobbin in the bobbin holder with the thread
running off as illustrated.
q Thread
x Guide the thread into the front notch on the front side
of the bobbin holder. Draw the thread to the left,
sliding it between the tension spring blades.
w Front notch
e Tension spring blade
c Continue to draw the thread lightly until the thread
slips into the side notch.
r Side notch
v Pull out about 4” (10 cm) of thread. Attach the hook
cover plate. Check the threading by referring to the
chart shown on the hook cover plate.
t Thread
y Hook cover plate
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Threading the Machine
To set the needle thread:
Raise the thread take-up lever to the highest position by
turning the handwheel.
Raise the presser foot.
z Draw the thread from the spool and pass it under the
thread guide. Then draw it down along the right
channel.
q Thread guide
w Right channel
x Draw the thread up around the bottom of the thread
guide plate.
Pull the thread up along the left channel
e Thread guide plate
r Left channel
c Firmly draw the thread from right to left over the
thread take-up lever and down into the take-up lever
eye.
t Thread take-up lever
v Draw the thread down along the left channel and slip
the thread behind the needle bar thread guide from
the left.
y Needle bar thread guide
b Pass the thread through the needle eye from the front
or use the needle threader (refer to the next page).
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