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NAMES OF PARTS

Names of Parts

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NOTE:

Design and specifications are subject to change 

without prior notice.

Upper thread guide
Bobbin winding tension disk

Spool holder (large)
Spool pin

Hole for extra spool pin
Bobbin winder spindle
Bobbin winder stopper
LCD display
Function keys

Speed control slider

Needle up/down button
Auto-lock button
Reverse button

Start/stop button

Extension table (Accessory box)
Thread cutter
Face cover
Thread tension dial
Thread take-up lever
Needle clamp screw
Needle
Presser foot
Hook cover release button
Hook cover plate
Needle plate
Feed dogs
Foot holder

Setscrew

Lever
Buttonhole lever
Needle threader
Carrying handle
Hole for stitch chart
Free-arm
Drop feed lever
Presser foot lifter
Power inlet

Foot control jack

Power switch
Ventilation openings
Handwheel
Feed balancing dial

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NOTE:

To carry the sewing machine, hold the carrying handle 
with your hand, and support the sewing machine with 
the other hand.

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Summary of Contents for JW8100

Page 1: ...Instruction Book...

Page 2: ......

Page 3: ...grasp the plug not the cord 10 Keep fingers away from all moving parts Special care is required around the sewing machine needle and or cutting blade 11 Always use the proper needle plate The wrong pl...

Page 4: ...ering the Needle Drop Position 22 Altering the Stitch length 22 Lock a matic Stitch 23 Locking Stitch 23 Triple Stretch Stitch 23 Stretch Stitch 24 Saddle Stitch 24 Zigzag Stitch 25 Overcasting with Z...

Page 5: ...utton Extension table Accessory box Thread cutter Face cover Thread tension dial Thread take up lever Needle clamp screw Needle Presser foot Hook cover release button Hook cover plate Needle plate Fee...

Page 6: ...eedle set Seam ripper Buttonhole opener Lint brush Screwdriver Stitch chart Instruction book Soft cover Foot control Power cable q w e r t y u i o 0 1 2 3 4 5 6 7 Stitch Chart Insert the stitch chart...

Page 7: ...ntrol model 21371 or YC 485EC 1 is used with this sewing machine For the U S A and Canada only For appliances with a polarized plug one blade wider than the other To reduce the risk of electric shock...

Page 8: ...le Slide the extension table along the free arm and insert the guides into the holes until the table snaps into the machine w Free arm e Guide r Hole Accessory storage Accessories are stored inside th...

Page 9: ...r stitches are selected If you press the reverse button when sewing any other patterns the machine will immediately sew locking stitches and automatically stop NOTE There will be particular functions...

Page 10: ...for both first and second digits The stitch pattern number will increase or decrease by 1 each time you press the value set keys w Change the stitch pattern number until the pattern number of the des...

Page 11: ...ighest position by turning the handwheel counterclockwise Raise the presser foot and press the lever on the back of the foot holder Attaching the presser foot Place the selected presser foot so that t...

Page 12: ...mber of fabric layers type of stitch q w e r r q w t e Tension is too loose The needle thread shows through on the wrong side of the fabric and the stitch feels bumpy Turn the dial to a higher number...

Page 13: ...m side of the fabric without causing excessive puckering or causing the bobbin thread to show on the right side top side of the fabric Results vary with fabric thread and sewing conditions q Right sid...

Page 14: ...en lowering the feed dog View from the rear q q w Needle Stop Position Setting You can set the needle stop position to up or down when the machine stops To enter the needle stop position setting mode...

Page 15: ...its fine silks and silk like fabrics Fabric Thread Needle Fine Lawn Georgette Tricot Organza Crepe Silk 80 100 Cotton 80 100 Synthetic 80 100 9 65 11 75 Medium Sheeting Jersey Broadcloth Fleece Silk 5...

Page 16: ...d remove the hook cover plate Lift out the bobbin q Hook cover release button w Hook cover plate e Bobbin q w e r t y u i Extra spool pin The extra spool pin is for winding bobbins without unthreading...

Page 17: ...spindle v Push the bobbin to the right The bobbin icon appears on the LCD display w Bobbin icon b With the free end of the thread held in your hand start the machine Stop the machine when it has woun...

Page 18: ...n CAUTION Turn OFF the power switch before inserting the bobbin and threading the bobbin holder z Place a bobbin in the bobbin holder with the thread running off counterclockwise q End of thread x Gui...

Page 19: ...ing holder e w Spool e Check spring holder c Firmly draw the thread up from right to left over the take up lever and down into the take up lever eye v Pass the thread through the lower thread guide Sl...

Page 20: ...presser foot Raise the needle to its highest position Pull down the needle threader knob as far as it will go The hook comes out through the needle eye from behind q Knob w Hook x Draw the thread fro...

Page 21: ...edle thread lightly with your left hand x Turn the power switch on Press the needle up down button twice to lower and raise the needle to pick up the bobbin thread q Needle up down button c Pull both...

Page 22: ...sew several reverse stitches w Reverse button Use the thread cutter on the face cover to cut the threads e Thread cutter BASIC SEWING q w e w q e Changing Sewing Direction Stop the machine Lower the...

Page 23: ...id slipping The button is released automatically after sewing a few stitches q Black button w Thick fabrics Numbers 10 15 30 40 3 8 1 2 5 8 1 1 1 2 Distance cm 1 0 1 5 3 0 4 0 Distance inch 3 8 1 2 5...

Page 24: ...o move the needle to the left Press the sign on the value set key to move the needle to the right q Mode key w Cursor e Value set key q w e Altering the Stitch length The stitch length can be altered...

Page 25: ...king stitch is needed Lower the needle close to the front edge of the fabric The machine will sew several locking stitches in place and continue sewing forward When you press the reverse button at the...

Page 26: ...e seam to be pressed completely open flat Use this stitch for seaming fine fabrics q w e 4 Saddle Stitch q Stitch pattern 56 w Thread tension dial 3 to 6 e Presser foot Satin stitch foot F The saddle...

Page 27: ...to increase the stitch width Press the sign on the value set key to decrease the stitch width q Mode key w Cursor e Value set key r Stitch width The stitch width of pattern 06 can be changed without c...

Page 28: ...ern 08 w Thread tension dial 3 to 7 e Presser foot Zigzag foot A This stitch is used to finish a raw edge of synthetics and other stretch fabrics that tend to pucker Sew along the fabric edge leaving...

Page 29: ...titching Be careful not to cut the stitches 4 Knit Stitch q Stitch pattern 10 w Thread tension dial 3 to 6 e Presser foot Zigzag foot A q w e 4 Double Overedge Stitch q Stitch pattern 11 w Thread tens...

Page 30: ...used on fine delicate fabrics such as fine silk r Keyhole buttonhole The keyhole buttonhole is widely used on medium to heavy fabrics It is also suitable for larger and thicker buttons t Stretch butto...

Page 31: ...he button is extremely thick make a test buttonhole on an extra piece of the fabric If it is difficult to fit the button through the test buttonhole you can lengthen the buttonhole by pulling the butt...

Page 32: ...uttonhole will be out of position or there will be a sewing gap u No gap i Starting point o Reference lines 0 Slider 1 Stopper 2 Sewing gap u b Start sewing while pulling the needle thread lightly to...

Page 33: ...q until the cursor w appears under the stitch width value Press the sign on the value set key to increase the buttonhole width Press the sign on the value set key to decrease the buttonhole width q Mo...

Page 34: ...punch to open the buttonhole q Eyelet punch not provided with the machine 4 q w e q Stretch Buttonhole q Stitch pattern 22 w Thread tension dial 1 to 4 e Presser foot Automatic buttonhole foot R The...

Page 35: ...he buttonhole foot to hold them tight Lower the needle into the garment where the buttonhole will start and lower the foot q Spur w Forks x Start the machine and sew the buttonhole Each side of the bu...

Page 36: ...t fabric x Select pattern 24 Sew the welted buttonhole on both fabrics together Cut the buttonhole opening as illustrated then pull the patch out through the slit to the other side q Wrong side of pat...

Page 37: ...16 5 8 away from the hole The corners should be cut rounded off as shown e Right side of patch r Wrong side of garment fabric 0 Place the facing on the wrong side of the garment fabric Mark the 4 corn...

Page 38: ...ows Press the mode key q until the cursor w appears under the stitch length value d5 is the default setting value When the right side of the darn is lower than the left side press the sign on the valu...

Page 39: ...m 5 8 long q 1 5 cm 5 8 Sewing a shorter tack To sew a tack shorter than 1 5 cm 5 8 first stop the machine after sewing the required length then press the reverse button The tack length has been deter...

Page 40: ...he darn even q Mode key w Cursor e Value set key NOTE The shape can be adjusted within L1 to L5 Eyelet q Stitch pattern 27 w Thread tension dial 1 to 4 e Presser foot Satin stitch foot F The eyelet is...

Page 41: ...n Add 1 cm 3 8 to the zipper length This is the overall opening size q Right side of the fabric w 1 cm 3 8 e Opening size r Zipper length t End of the zipper opening Zipper Sewing q Stitch pattern 00...

Page 42: ...with the pin on the right hand side Lower the foot onto the topside at the end of the zipper opening so that the needle pierces the fabric next to the fold and the zipper tape c Sew through all layers...

Page 43: ...the opening 0 7 1 cm 3 8 and turn the fabric 90 degrees 0 0 7 1 cm 3 8 CAUTION Be sure that the needle does not strike the presser foot or zipper teeth when the zipper foot is attached n Stitch throu...

Page 44: ...treme left side Lower the presser foot Adjust the needle drop position if necessary c Sew slowly while guiding the folded edge along the left side of the clear window of the foot e Folded edge r Clear...

Page 45: ...ust the stitch width if necessary w Stitch width adjust to span of holes Stitch several times After you finish sewing cut the thread but leave 10 cm 4 of threads at the end With a hand sewing needle d...

Page 46: ...satin stitch foot F Select the patchwork pattern c Press the seam allowance to open Sew the stitch pattern on the right side of the garment centering over the seam line q w e 4 Shelltuck q Stitch patt...

Page 47: ...stitch width Select pattern 28 Press the mode key e until the cursor r appears under the stitch width value Press the sign on the value set key t to decrease the stitch width u Press the sign on the...

Page 48: ...w Thread tension dial 1 to 4 e Presser foot Satin stitch foot F Drawn work uses the same method as fringing Choose a firm woven fabric like linen where threads can be removed easily z Carefully cut t...

Page 49: ...Auto lock button 4 q w e Fagoting q Stitch pattern 46 w Thread tension dial 3 to 6 e Presser foot Satin stitch foot F Use these stitches to join two pieces of fabric to create an open work appearance...

Page 50: ...across the area to be smocked Knot the threads along one edge From the other edge pull the bobbin threads to distribute the gathers evenly q 1 cm 3 8 w Knotted thread Set the thread tension to 3 6 and...

Page 51: ...tension dial 1 to 4 e Presser foot Satin stitch foot F 4 q w e For better sewing results interfacing should be used on the wrong side of the fabric when you use stretch or elastic fabrics Press the au...

Page 52: ...l with the screwdriver If the pattern is compressed turn the dial in the direction of If the pattern is drawn out turn the dial in the direction of q Feed balancing dial q Stitch patterns 76 to 99 can...

Page 53: ...hook cover plate by sliding the hook cover plate release button to the right Take out the bobbin Brush out dust and lint You may also use a vacuum cleaner z Remove the setscrews on the needle plate wi...

Page 54: ...ted after halting due to overload Wait for at least 15 seconds to restart Turn the power switch OFF Remove tangled threads around take up lever hook race E1 E7 The machine does not work properly due t...

Page 55: ...and synthetics 4 The needle thread is not threaded properly 5 A poor quality needle is used Page 13 Page 13 Use the stretch stitch needle Page 17 Change the needle Seam puckering 1 The needle thread...

Page 56: ...54 Stitch Chart...

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Page 60: ...811 800 202 ENG...

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