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Bernina dcet 2500, Инструкция по эксплуатации

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Cover stitch sewing test and fine tuning

51

Cover stitch sewing test and
fine tuning

After threading, check that the stitch selection dial is on your
desired position for F. Test sew.

Starting to sew:

Raise the presser foot and place a double layer of fabric
under the presser foot and needles. Lower the presser foot.
To make the first stitch, turn the handwheel towards you to
check the position of the needles. Sew. When sewing is
interrupted, the needles stop in the fabric.

When sewing is complete, raise the needles by turning the
handwheel away from you (clockwise). This releases the
needle threads from the lower looper. Do not use the needle
stop button! Raise the presser foot and remove work towards
the left. Cut threads (thread cutter).

Fine tuning top & bottom cover
stitch

Compare your result with the stitch formation on the
threading diagram in the looper cover.

The needle threads form two or three straight lines on the
upperside of the fabric.
They appear as dots on the underside of the fabric.

The wiper thread forms horizontal loops between the two or
three needle threads on the upper side of the fabric.

The looper thread forms horizontal and vertical loops
between the two or three rows of needle threads on the 
underside of the fabric to give a stretchy, durable seam.

Incorrect stitch formation can be corrected by fine tuning.

To increase the tension push the fine tuning lever up.
To reduce the tension push the fine tuning lever down.

A Fine tuning for the needle 

L

thread (yellow)

B Fine tuning for the needle 

C

thread (green)

C Fine tuning for the needle 

R

thread (brown)

D Fine tuning for the lower looper (purple)
E Fine tuning for the wiper thread (grey)

Fine tuning

If the needle threads form loops on the underside of
the fabric:

Increase the needle thread tensions.

Tip:

When using decorative threads, attach the deco guide
(see page 36) over the looper threading path. 
Do not thread the first machine guide but take the
thread directly through the deco guide.

Note:
If using needle system JLx2, reduce the needle thread
tensions slightly.

A

B

C

D

E

A

B

C

D

E

2500_DCE_2_englisch_neu  09.10.2007 15:00 Uhr  Seite 51

Содержание dcet 2500

Страница 1: ...Instruction Manual Overlocker Serger 2500DCET Umschlag_GB indd 1 10 10 2007 16 18 59 Uhr...

Страница 2: ...le stitching It may deflect the needle causing it to break 9 Switch the sewing machine off O when making any adjustments in the needle area such as threading needle changing needle threading looper or...

Страница 3: ...uggestions for using the various overlock stitches roll hem cover and chain stitch On the last page of the manual you will find a list of optional accessories and BERNINA services which provide even m...

Страница 4: ...ottom cover stitch Cover stitch test sewing and fine tuning Chain stitch threading position G Chain stitch test sewing and fine tuning Converting from overlock to cover chain stitch Converting from co...

Страница 5: ...oot control socket 19 Machine socket 20 Power switch 21 Looper cover 22 Lower looper fine tuning purple 23 Needle R fine tuning brown 24 Needle C fine tuning green 25 Needle L fine tuning yellow View...

Страница 6: ...socket 20 Power switch 21 Looper cover 22 Lower looper fine tuning red 23 Upper looper fine tuning blue 24 Needle C fine tuning green 25 Needle L fine tuning yellow 26 Cutting width dial 27 Roll hem...

Страница 7: ...Spool pin 42 First thread guide 43 Presser foot pressure control 44 Presser foot lifter 45 Light switch 46 Thread cutter 47 Foot control 48 Power cord BERNINA 2500DCET overlock mode 41 40 39 38 42 43...

Страница 8: ...ife 8 Conversion arm Accessories in looper cover The most important threading and machine accessories are neatly stored in the looper cover and always to hand 1 Household needles 130 705H 2x70 3x80 2...

Страница 9: ...stitch presser foot 13 Cover chain stitch extension plate 14 Standard foot with tape guide 15 Knife guard Cover stitch presser foot Instructions for using the cover stitch presser foot compensating f...

Страница 10: ...sh the support rod firmly into the socket on the back of the machine Raise the support rod 4 fully turning slightly until the positioning catches engage Position the thread guide 5 on the thread stand...

Страница 11: ...nes or domestic spools in all sizes can be used on your BERNINA overlocker Remove the stabilizers for household spools but secure the spools with the spool holder caps rounded side downwards When sewi...

Страница 12: ...ead Lift the foam pad A slide the guide tabs C of the spool holder B into the guide of the upperside of the spool holder from left to right into position E and press until tab D clicks into the unders...

Страница 13: ...p sewing the needle s will stop in their highest position the ideal position for threading or changing needles To lower the needle s press the Needle stop button 3 The Needle stop for cover and chain...

Страница 14: ...such as ribbing trousers and sleeve hems Two step presser foot lifter The presser foot lifter is positioned on the rear of the machine above the presser foot To raise the presser foot lift the presse...

Страница 15: ...o release the presser foot from the clamp 2 and remove it to the left 1 2 3 To attach the foot place it under the shaft The groove in the shaft should line up exactly with the presser foot pin 3 Lower...

Страница 16: ...r stitch work is done with a stitch length of between 3 and 4 Cutting width Adjusting the cutting width for overlock stitches Turn the dial in the direction desired The upper knife adjusts automatical...

Страница 17: ...aving or fluting in knits or puckers in fine woven fabrics The distance travelled by the front feed dog is greater than that of the rear feed dog The front feed dog pushes the amount of fabric which t...

Страница 18: ...s weight knits e g closely woven sweatshirt fabrics e g velours interlock Charmeuse linings satin poplin 4 thread Thick or loose Fine to medium Knits with the grain Sewing over seams cover stitch knit...

Страница 19: ...t weight or sheer fabrics such as chiffon georgette batiste linings Note Seams in knitted fabrics will wave if the presser foot pressure is too high Always set to N when sewing knits Upper knife Raise...

Страница 20: ...tscrew firmly 3 Tip Insert the needle C first and then needle L Needle L is slightly higher than the needle C Use needle R for cover and chain stitch Needle positions Needles are inserted into positio...

Страница 21: ...loops are formed round the edge of the fabric Tip Before starting to sew check that the upper looper is correctly positioned by first turning the handwheel a few times to form a chain 1 2 4 6 Stitch s...

Страница 22: ...hes will be skipped Use Purchase threads on cones or spools which are pro duced exclusively for over locking When using normal spools use the spool caps in accessory bag Only use decorative threads in...

Страница 23: ...m The BERNINA 2500DCET can be converted to cover and chain stitch The cover stitch is 2 5 5 mm wide and is sewn with two or three needles and the lower looper the upper looper is released and the uppe...

Страница 24: ...ck thread and H for top bottom cover stitch A H G F E D C B 1 5 6 4 3 2 1 6 7 8 9 10 11 12 16 15 14 13 Stitch display The stitch display provides all the information you need about stitches and thread...

Страница 25: ...ster thread 5 3 thread narrow seam 3 5 mm A Loopers needle Stitch length 1 0 1 8 needle C all purpose overlock thread polyester and Cutting width 1 2 rayon threads Differential 0 7 N B Loopers woolly...

Страница 26: ...f fabric Stretchy seams in fine knits Decorative and quickly sewn edges Decorative seams in woven or fleecy fabrics or firm knits Neatening edges on seam allowances hems and facings Suitable for all f...

Страница 27: ...se overlock thread polyester thread 14 5 thread top bottom cover stitch 5 mm H Lower looper all purpose overlock thread Stitch length 3 4 needles polyester thread woolly nylon or similar Differential...

Страница 28: ...ie children s clothing pullovers sweatshirts T shirts swim and gymwear garments made from knit and jerseys underwear lingerie children s clothing pullovers sweatshirts Thick or heavy weight woven fabr...

Страница 29: ...he upper knife if wanted First thread guide on the machine Thread the first guides on the top of the machine as follows Holding the thread with both hands slip it into the appro priate guide from back...

Страница 30: ...nd lay it from the back to the front into the guide 2 Thread the first machine guide 3 Slip the thread through the groove 4 5 6 7 Thread the guides 8 Thread the looper eye and lay the thread to the le...

Страница 31: ...4 5 6 7 Thread the guides 8 Press the lever on the auto threader down 9 Thread the slit on the threader Push the auto threader lever up to return it to its normal position 10 Thread the lower looper...

Страница 32: ...nto the guide 2 Thread the first machine guide 3 Slip the thread through the groove 4 5 6 Take the thread under the thread guide plate through the take up and into the guide 7 Thread the guide on the...

Страница 33: ...from the spool and lay it from the back to the front into the guide 2 Thread the first thread guide 3 Slip the thread through the groove 4 5 6 Take the thread under the thread guide plate through the...

Страница 34: ...he looper cover Example 4 thread overlock A Needle L thread yellow B Needle C thread green C Upper looper thread blue D Lower looper thread red The upper looper thread lies on the upper side of the fa...

Страница 35: ...1 and tighten screw 2 Take the thread through the deco guide without threading the first machine guide or tension slit 3 4 thread overlock with medium to heavy weight thread position the guide over t...

Страница 36: ...stitch length depending on the fabric and application Fine tuning for 3 thread flatlock The loops are formed on the upperside Reduce the upper looper tension blue Increase the needle yellow or green o...

Страница 37: ...ition F is automatically reduced from 1500 s p m to max 800 s p m The needle stop is automatically set to down The cover stitch formation ends with the needle inserted in the fabric Note When sewing i...

Страница 38: ...bottom cover stitch is sewn with two needle threads one wiper thread and one looper thread The wiper thread covers the seam on the right side while the looper thread covers and neatens the seam on th...

Страница 39: ...ives are not used for cover and chain stitch and the upper knife arm is raised to provide additional space to the right of the needle Raising the upper knife arm looper cover open Raise the upper knif...

Страница 40: ...Copyright 1999 by BERNINA International AG Steckborn 99 6 GB Umschlag_GB indd 2 10 10 2007 16 19 00 Uhr...

Страница 41: ...e the knife guard by pulling gently to the left To attach the extension plate hold it at a slight angle to the looper cover position 1 hold both parts parallel and push the plate to the right until it...

Страница 42: ...nto the guide 2 Thread the first guide 3 Take the thread through the groove 4 5 6 7 8 Thread guides 9 Press the lever of the auto threader down 10 Thread the slit of the threader Push the auto threade...

Страница 43: ...ay it from the back to the front into the guide 2 Thread the first guide 3 Take the thread through the groove 4 5 6 Take the thread under the thread guide plate through the take up and into the guide...

Страница 44: ...and lay it from the back to the front into the guide 2 Thread the first guide 3 Take the thread through the groove 4 5 6 Take the thread under the thread guide plate through the take up and into the...

Страница 45: ...d the needle L from front to back and lay the thread to the left under the foot After threading Re threading or changing thread Lower the presser foot and close the looper cover Switch the power switc...

Страница 46: ...as illustrated As described on page 43 and 45 1 2 3 4 5 6 7 8 9 10 11 2 After threading Test sew Place a piece of fabric under the presser foot and needles begin sewing When sewing is complete raise t...

Страница 47: ...hread through the groove 4 5 6 7 thread guides as illustrated purple markings 8 Press the lever of the auto threader down 9 Thread the slit of the threader Push the auto threader lever up and it will...

Страница 48: ...ower the needles 8 Switch the power switch to off O 9 Bring the thread up from the spool and lay it from the back to the front into the guide 10 Holding the thread in both hands thread the first guide...

Страница 49: ...al has been pulled away to the left and threads cut You are now ready to thread for the 4 thread top bottom cover stitch The machine is still switched on l See threading for 5 thread top bottom cover...

Страница 50: ...ased the material has been pulled away to the left and threads cut You are now ready to thread for the 4 thread top bottom narrow cover stitch The machine is still switched on l See threading for 5 th...

Страница 51: ...r as dots on the underside of the fabric The wiper thread forms horizontal loops between the two or three needle threads on the upper side of the fabric The looper thread forms horizontal and vertical...

Страница 52: ...stitch formation can only come undone at the seam end It is not necessary to secure the seam begin because the first stitch is automatically knotted by the subsequent stitches Unpicking seams The cove...

Страница 53: ...m the back to the front into the guide 2 Thread the first guide 3 Take the thread through the groove 4 5 6 7 Thread the guides 8 Press the auto threader down 9 Thread the slit of the threader Push the...

Страница 54: ...o the front into the guide 2 Thread the first guide 3 Take the thread through the groove 4 5 6 Take the thread under the thread guide plate through the take up and into the guide 7 Thread guide on the...

Страница 55: ...e stitch formation on the threading diagram in the looper cover The needle thread forms a straight line on the upper side of the fabric It appears as dots on the underside of the fabric The looper thr...

Страница 56: ...oops 2 are visible in the stitch formation and can also be pulled through to the wrong side and knotted Note It is not necessary to secure the seam begin because the first stitch is automatically knot...

Страница 57: ...e clamp to its highest position 7 Raise the presser foot and swing it out 8 Raise the upper knife and the upper knife arm 9 Cut all threads and remove any chain off 10 Insert needles in the appropriat...

Страница 58: ...Switch the power switch to off O 9 Bring the thread up from the spool and lay it from the back to the front into the guide 10 Holding the thread in both hands thread the first guide located behind th...

Страница 59: ...e machine is still switched on l 1 Remove wiper thread 2 Lift finger guard and wiper 3 The needles are in their highest position 4 Pull out wiper activating lever until it clicks into position 5 Turn...

Страница 60: ...n the handwheel to bring needle clamp to highest position 6 Raise the presser foot and swing it out Cut all threads and remove any chain off 7 Insert overlock needle s in the appropriate position for...

Страница 61: ...m knits or stretch fabrics The guide is also ideal for sewing on narrow elastic for lingerie swim and gymwear Raise the needles Needle stop Raise and swing the presser foot out Place the tape under th...

Страница 62: ...ERNINA seam ripper and pull the threads gently to gather fine fabrics A B C D E Presser foot markings The markings on the presser foot help to guide the fabric A Cutting line cutting width 2 B Needle...

Страница 63: ...o the right until it is line with the desired marking on the looper cover Feed the fabric edge along the guide an even amount of fabric will be cut off To sew without cutting push the guide to the lef...

Страница 64: ...work over and towards you and lay it under the presser foot so that the needle enters the fabric with the first stitch Lower the presser foot Sew carefully over the previous stitching without cutting...

Страница 65: ...c and lay it under the presser foot so that the cut edge of the fabric is against the knife Lower the presser foot Lower the needles Needle stop down If necessary pull all the threads taut above the f...

Страница 66: ...itches without cutting Raise the tip of the presser foot and turn work away from you Sew off the edge see 1 2 3 Unpicking seams Method 1 Cut the loops formed by the looper threads with sharp scissors...

Страница 67: ...ifferential N 2 depending on fabric Mark seam allowances Turn or press under the edge of the upper fabric if not already neatened Place edges on top of one another Guide fabric edge along one of the s...

Страница 68: ...nd trousers waistbands Note This applies to top bottom cover stitch as well Binding Stitch length 3 4 Differential N Cut bias binding or bias cut strips to the desired width mark if wanted and press o...

Страница 69: ...s and garments made with the patchwork technique Note This applies to top bottom cover stitch as well Decorative stitching Stitch length 3 4 Differential 0 7 N The additional space to the right of the...

Страница 70: ...inding Stitch length 3 4 Differential feed N Cut the binding four times the width of the finished width Mark if necessary and press Place the binding right side to the wrong side of the fabric pin if...

Страница 71: ...cover Test sew Replacing the bulb Using the special bulb holder provided in the accessory bag press upwards against the bulb turn to the left and remove the bulb Place the new bulb on the holder Inser...

Страница 72: ...t or Replace the needles points are damaged Needles are not inserted Insert needles fully into needle clamp with flat side to correctly the back Fabric was pulled while Guide fabric slightly with both...

Страница 73: ...o overlock on roll hem Thread loops are too loose Too little fabric in the stitch Increase the cutting width Machine stops sewing Should the machine stops Check why the machine stopped The machine wil...

Страница 74: ...72 Maintenance 71 Micro safety switch 14 R Replacing bulb 71 knives 71 knife guard 41 needles 21 presser foot 16 spools cones 34 R needle threading 43 tension 25 35 51 Roll hem 22 26 27 S Safety cont...

Страница 75: ...er stitch 42 47 top bottom 48 3 4 thread overlock 24 25 2 thread overlock 24 25 3 thread super stretch 24 25 loopers 31 32 42 53 overlock stitches 26 27 preparation 30 tips 30 Thread needle fabric 23...

Страница 76: ...7 N Presser foot Standard foot swing out snap on sole Cover stitch foot compensating foot snap on sole Presser foot lifter Two step Max lift 7 mm Integrated accessories Roll hemmer tape guide Handwhe...

Страница 77: ...t Explains use and applications 4 pages Sewing Service Leaflet 18 Elasticator Explains use and applications 6 pages Sewing Service Leaflet 23 Gathering Attachment Explains use and applications 4 pages...

Страница 78: ...orld with fascinating ideas for working with textiles are included in every issue Special sewing tech niques are described in easy to follow step by step photo sequences We also of course report on ne...

Страница 79: ...esentante BERNINA un manual de instrucciones en el idioma correspondiente Indien deze machine in een ander taalgebied werd gekocht kunt u bij de nationale importeur of BERNINA vakhandelaar een handlei...

Страница 80: ...Copyright 1999 by BERNINA International AG CH 8266 Steckborn Art no A 9150 779 Z00 2500_DCE_2_englisch_neu 10 10 2007 15 14 Uhr Seite 80...

Страница 81: ...read narrow top bottom cover stitch 3 A F NL Needle L NC Needle C NR Needle R UL Upper looper W Wiper LL Lower looper SSL Stitch selection lever SS Stitch length CW Cutting width Tips Raise the presse...

Страница 82: ...ric under the presser foot and needle s lower the presser foot Sew Continue sewing at the end of the seam until an 8 cm or 3 chain if formed Cut threads Converting from cover stitch position F 4 threa...

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