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Pfaff coverlock 4772, Instruction Manual, Page: 1 / 81

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Pfaff coverlock 4772 Instruction Manual Download Page 1

Summary of Contents for coverlock 4772

Page 1: ...PFAFF coverlock 4772 I t i i L cover10 4772 I Instruction manual...

Page 2: ...o be used but disposed of immediately Defective mains leads must be replaced com pletely Only 3 A spare fuses must be used as approved by ASTA accor ding to BS 1362 and the fuse cover must be marked 3...

Page 3: ......

Page 4: ...Converter 8 Looper cover 9 Blade guard 10 Standard presser foot 11 Standard needle plate 12 Detachable work support 13 Accessory box 14 Needle holder 15 Sewing light cover 16 Upper overedge looper 17...

Page 5: ...vice center for examination repair electrical or mechanical adjustment 4 Never operate the sewing machine with any air openings blocked Keep ventilation ope nings of the sewing machine and foot contro...

Page 6: ...ur qualified service staff 11 Be sure to use only original PFAFF parts 12 The machine is designated for an electri cal supply with a nominal voltage of 10 and a rated frequency of 1 4 13 When used pro...

Page 7: ...nd it is just as easy to use as this instruction manual is to follow If you now take a bit of time to study the instruc tion manual nothing can go amiss It is certainly time well spent since it is the...

Page 8: ...33 Differential feed 28 29 Edge guide 35 Foot control connecting 7 Free arm 27 Light bulb sewing lamp changing 58 Looper cover 8 Lower blade changing 57 Lower overedge looper yellow threading 14 15 L...

Page 9: ...ic thread guide 9 Thread chain trimmer 22 Thread changing on a threaded machine 20 Thread chart 70 Thread guides threading 12 Thread tensions setting 42 55 Thread unreeling disc 10 Threading important...

Page 10: ...uide 8 Needle changing aid 9 Cleaning brush 10 Pair of tweezers 11 Screwdriver large 12 Screwdriver small 13 Edge guide with retaining screw 14 Overlock needle system EL 705 cat No 2002 15 Spool nets...

Page 11: ...he foot control Master switch The machine is now operational Notes on safety This appliance has a polarized plug one blade wider than the other To reduce risk of electric shock this plug is intended t...

Page 12: ...cover Note The electricity supply of the machine is cut off as soon as the looper cover is opened for safety reasons i e sewing with the ma chine is no longer possible Trimming waste container Insert...

Page 13: ...m below Now shown in the illustration above you can mount the spool on the spool hol der Spool holder Before mounting spoois you must pull the spool holder 28 back fully Telescopic thread guide Pull t...

Page 14: ...B to the left overedge needle Thread unreeling disc The thread unreeling disc in the accessory box is used for small spools Place the un reeling disc onto the spool Place the two onto the spool cente...

Page 15: ...re shown in a schematic dra wing of the needle holder See the examples above 2 thread chainstitch and cover stitch needles threaded Note If both the left and right overedge needles have been inserted...

Page 16: ...ccording to the color coding 12 1 2 thread chainstitch looper violet 3 Upper overedge looper pink 4 Right overlock needle green The color markings are applicable as fol lows 2 Lower overedge looper ye...

Page 17: ...through the eye 8 of the upper overedge looper Pull ab out four inches 10 cml of thread through the looper and lay it to the left underneath the presser foot Note To facilitate threading use the twee...

Page 18: ...the hanc wheel in the direction of the arrow until the lower overedge looper 17 is positioned at the extreme right Insert the thread by following steps 1 to 11 Note To facilitate threading use the tw...

Page 19: ...thread from the front through the eye of lower overedge looper C threading point 11 The thread must run along the groove in the looper Pull about four inches 10cm of thread through the looper and lay...

Page 20: ...thread by following steps 1 to 11 Note To facilitate threading use the twee zers included in the accessory box Pull about four inches 10cm of thread through the looper and lay it to the left un derne...

Page 21: ...ot The thread guide 8 may only be used when sewing the cover stitch 17 Threading the 2 thread chainstitch looper for cover stitch violet and pink Turn the handwheel in the direction of the arrow until...

Page 22: ...llowing steps 1 to 10 Note To facilitate threading use the twee zers included in the accessory box Note The thread must run below the thread Pull about four inches 10 cm of thread guide 7 and above th...

Page 23: ...g use the twee zers included in the accessory box To sew the cover stitch thread as shown in illustration A into thread guide 8 To sew the 2 thread chainstitch the 5 thread safety stitch seam and the...

Page 24: ...threads and then rethread the needle threads Changing a spool on a threaded machine Cut the threads off close to the spool and mount new spools lie together the threads that are still in the machine w...

Page 25: ...ainst the top lid Then turn the screw back to the left rotating it 6 times Now the standard presser foot pressure is set 21 Presser foot lifter The presser foot can be raised and lowered with presser...

Page 26: ...ocks into the presser foot holder Check Please lift the presser foot lever to ensure that the presser toot is properly lock ed into place Presser foot Use cover stitch presser foot C from the ac cesso...

Page 27: ...slide the holder of the mo vable upper blade fully towards the right Turn the head of the upper blade away from you until the upper blade locks into a hori zontal position Engaging the upper blade Sli...

Page 28: ...Insert hub A of the converter into the aper ture of the upper overedge looper Rotate the converter towards the left and press the upper part slightly to the rear so that the tip of the converter locks...

Page 29: ...to position S Stitch width latch A will be pushed forward All standard overlock seams can be sewn with this setting For rolled hems and the cover stitch Stitch width latch A will be pushed back Set th...

Page 30: ...width can be more easily adjusted if the looper cover is open Note The seam width adjustments between 1 8 to 3 16 inch 3 0 mm to 4 5 mm apply to the right needle only For the left needle the set value...

Page 31: ...he work support Pull the detachable work support 12 for ward slightly and remove this to the left Note If you detach the trimming waste con tainer beforehand it is easier to remove the detachable work...

Page 32: ...and thus the amount of fabric to be fed through It can be adjusted within the range 0 5 and 2 0 The standard setting is 1 0 by which the front feed dog A moves synchronously with the rear feed dog B i...

Page 33: ...d fabrics such as Jersey and rib stitch goods The result is a smooth seam C Differential feed setting Type of fabric I effect gather normal stretch 2 0 1 0 0 5 Very_light_fabrics _silk _satin _poplin...

Page 34: ...ch width latch to R see page 25 For cover stitch Remove the standard needle plate by un screwing screw A using the large screwdri ver from the accessory box Press on area B of the needle plate This ra...

Page 35: ...chainstitch Disengage upper overedge looper 16 Move upper overedge looper 16 into its lo west position by turning the handwheel in the direction of the arrow For cover stitch and two thread chainstit...

Page 36: ...sary to disengage the upper overedge looper when attaching the power table For cover stitch and two thread chainstitch pFAF The power table is marked with various units of measurement The figures on t...

Page 37: ...retaining screw A of the upper overedge looper is in its highest position Tighten the screw Engage the upper blade 9 and push the blade guard from above into the looper cover For cover stitch Set the...

Page 38: ...bric before hemming it Depending on as to how wide the seam must be stitched down you must press under 1 4 inch 0 5 cm wider Note The cover stitch guide set is obtaina ble as special accessory You can...

Page 39: ...on Raise the presser foot Cut the thre ads Pull the needle threads to the back and knot them Hold the threads at the end of the fabric tightly and remove the fabric Edge guide Push the edge guide from...

Page 40: ...heavy fabrics and length width of bed slide with normal polyester thread for stitch width E with latch out blue preen pink yellow violet 1 5 1 5 1 5 3 4 4 5 R 1 5 1 5 3 3 3 3 3 5 S C 1 5 4 1 3 3 3 5 5...

Page 41: ...and serging of tightly woven fabrics simultanously I w 01 2 thread chainstitch seam Joining pieces of tightly woven fabrics for upholstery covers I ol and denim without serging 0 4 thread overedge sea...

Page 42: ...Thread The val normal blue N 4 5 4 38...

Page 43: ...2 39...

Page 44: ...Serging lightweight fabrics As flatlock seam for sewing stretch fabrics together Serging delicate fabric Decora tive finished edges Sewing together and simultane ous serging of lightweight highstretch...

Page 45: ...e values refer to medium heavy fabrics length width of bed slide with and normal polyester thread for stitch width LI with latch out blue green pink yelllow violet 4 O5 3 3 5 S N 4 3 3 5 S B N 3 5 3 3...

Page 46: ...ys best to sew a test seam to check the interlocking of threads It may be necessary to correct the thread tension settings Note All further settings required for individual programs are to be found in...

Page 47: ...ad overedge seam you can refer to the correction possibilities of these seams on pages 44 and 46 4 Thread Safety Stich Seam blue green pink yellow violet 1 5 4 1 3 Since the 4 thread safety stitch sea...

Page 48: ...fabric blue green pink yellow violet N 2 2 2 When all tension units are correctly set the loops of both looper threads pink and yel low are directly on the edge of the fabric Two Thread Chainstitch To...

Page 49: ...thread tension to a higher va lue and or the pink thread tension to a lower value 45 The left needle thread blue is too loose The right needle thread green is too loose The upper looper thread pink ap...

Page 50: ...ic Set the yellow thread tension to a higher va lue and or the pink thread tension to a lower value 3 Thread Overedge Seam The needle thread is too loose blue green pink yellow violet narrow N 1 5 1 5...

Page 51: ...s visible on the face side of the fabric Set the yellow thread tension to a higher va lue and or the pink thread tension to a lower value 47 The upper looper thread pink is only partly looped around t...

Page 52: ...Seam The needle thread is too loose FLATLOCK Set the respective needle thread tension to TjTje a lower value The upper looper thread pink is visible on The lower looper thread yellow is too the unders...

Page 53: ...de of the fabric Set the yellow thread tension to a higher va lue and or the pink thread tension to a lower value 49 3 Thread Rolled Hem blue L green pink yellow violet 1 1 5 0 5 The upper looper thre...

Page 54: ...er value and or the yellow thread tension to a higher value The right needle thread green is too loose Set the green thread tension to a higher va I ue The lower looper thread yellow is visible on the...

Page 55: ...seam FLATLOCK The needle thread is too loose or the lower looper thread yellow is too tight Set the respective needle thread tension to a higher value and or the yellow thread ten sion to a lower val...

Page 56: ...I N I I I Note Attach the converter see page 24 when sewing 2 thread serging seams The needle thread is too loose Set the respective needle thread tension to a higher value and or the yellow thread te...

Page 57: ...thread rolled hems The right needle thread Igreen is too tight Set the green thread tension to a lower va lue and or the yellow thread tension to a higher value The lower looper thread yellow is too...

Page 58: ...see page 24 when sewing folded 2 thread rolled hems The right needle thread green is too loose Set the green thread tension to a higher va lue and or the yellow thread tension to a lo wer value The lo...

Page 59: ...wer looper thread yellow is too tight Set the yellow thread tension to a lower va lue 55 2 Needle 3 Thread Overedge Closing Seam The left needle thread blue is too loose Set the blue thread tension to...

Page 60: ...ctured from special materials and do not require any lubrication 56 Machine maintenance Cleaning the machine Switch off electrical power Remove the trimming waste box and open the looper cover Disenga...

Page 61: ...the upper blade and move the needle s to the highest position Use the large screwdriver from the accessories to loosen lower blade retaining screw A Remove the screw and the lower blade To insert Ins...

Page 62: ...til it can be removed Push the light bulb fully into its socket Ro tate anti clockwise through half a turn and remove Guide the new light bulb max 15W into the socket and twist until both pins on the...

Page 63: ...ne thus saving time and ensuring perfect serging results I 1 Ihe special accesories can be purchased from your PFAFF dealer Special accessory Order No 1 Blindstitch foot 93 4 15 506 23 000 I f Cover s...

Page 64: ...ch length 4 Working Raise the needle to its uppermost posi1io and insert the blindstitch foot Fold the seam inwards Now fold the seam onc again outwards so that the edge protrudr approx 1 cm Position...

Page 65: ...lly under the needle plate The lower edge of the guide and the edge of the needle pla te should flush Fully tighten the screw and close looper cover Place guide C as shown in illustration 2 onto the c...

Page 66: ...onto the cover stitch foot and tighten this using the small screw and washer Place guide B as shown in the illustration under the presser foot and tighten this using the small screw and washer Adjust...

Page 67: ...foot as shown in the illustration and tighten this using the small screw and was her Push guide A from the right under the pres ser foot as shown in the illustration and tighten this using the small...

Page 68: ...t position and insert the gimp thread foot Insert the gimp thread into guide 1 and pull it through opening 2 into lateral guide 3 Then lay the thread under guides 4 and 5 so that it proj ects approx 4...

Page 69: ...ox 2 mm Insert elastic tape 4 into opening 2 and pull it beneath the se wing foot so that it protrudes approx 4 in ches 10 cm behind the latter Re tighten screw 1 The more the screw is tightened the g...

Page 70: ...thread overedge seam and the differential feed to 2 0 Working Raise the needle to its uppermost position and insert the shirring foot Lift the sewing foot and insert the fabric ply to be shirred face...

Page 71: ...your machine to the 4 thread overedge seam and seam width 4 5 mm Working Raise the needle to its uppermost position and insert the cording toot Place the two fa bric plies on top of one another face...

Page 72: ...5 cm behind the sewing foot Hold the beads in place with a few stit ches then lay the fabric face up under the sewing foot and sew the beads onto the sel vage Note For sewing on lead beading we re co...

Page 73: ...and insert the lace sewing foot Use the lar ge screwdriver from the accessories to loo sen screw 1 and adjust guide 2 so that the needle penetrates the lace as close to the edge as possible Tighten sc...

Page 74: ...o 70 140 Medium heavy fabrics coton tricot Cotton no 40 60 2 0 4 0 mm linen dess materials Synthetic thread no 70 140 Heavy fabrics tweed suit materials Cotton no 30 50 2 0 4 0 mm denim heavy cloth Sy...

Page 75: ...i...

Page 76: ...ed Thread properly see page 12 20 Thread has caught Check if the thread is caught on the spool stand etc Thread tension is too tight Correct the tension see page 42 55 Needle not fully inserted Insert...

Page 77: ...ms Thread tension Reduce thread tension too tight Incorrect setting of Re adjust differential feed diffential feed see pages 28 29 Thread has caught due to Thread correctly incorrect threading see pag...

Page 78: ...ation manual Presser foot height 4 5 mm Overedge stroke 1 5 mm Needle system EL X 705 cat no 2002 Needle size 80 11 90 14 Number of threads 2 3 4 5 Dimensions width x hight x depth 300 x 285 x 275 mm...

Page 79: ...d spool stand 29 Thread spool pins 30 Thread spool centering pieces 31 Machine socket foot control with power cord 32 Electrical power master switch 33 Handwheel 34 Regulator lever for differential fe...

Page 80: ...017 6e 1 o...

Page 81: ...schaft Werk Karisruhe Durlach GritznerstraIe 11 76227 Karlsruhe Printed in Germany IJruckerei Gablenz GmbH 76356 Weingarten Stettiner Strafte 17 Information subject to change without notice Nr 29429 9...

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