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Pfaff hobbylock 4760, Instruction Manual, Page: 3 / 57

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Pfaff hobbylock 4760 Instruction Manual Download Page 3

Summary of Contents for hobbylock 4760

Page 1: ...7 11 I I N C 0 F 0 c 0 C ...

Page 2: ...coloured blue must be connected to the terminal which is marked with the letter N or coloured black The wire which is coloured brown must be connected to the terminal which is marked with the letter L or coloured red Under no circumstances should cut off mains plugs be used They should be disposed of immediately Defective mains leads must be completely replaced Only 3 A spare fuses must be used as...

Page 3: ......

Page 4: ... recess 1 2 Swivel type work support 13 Needle plate 14 Sewing foot 15 Needle holder 16 Sewing foot lifting lever 1 7 Thread spooler holder 18 Color coded thread guides 19 Telescopic thread guide bar 24 Accessory box 25 Stitch length adjustment knob 26 Seam width adjustment knob 27 Rotary lever for upper knife disengagement 36 Thread spool centering piece 37 Upper knife arresting screw 38 Lamp cov...

Page 5: ...t 4 Never operate the sewing machine with any air openings blocked Keep ventilation openings of 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 off...

Page 6: ...ted we will not accept any liability for any damage caused 10 To avoid the risk of electric shock do not open the machine There are no parts inside the machine which the user can repair This is solely the responsibility of our qualified service staff 11 Be sure to use only original PFAFF parts Environment The recommended environment is Ambient temperature 10 C to 40 C Humidity 20 to 80 This sewing...

Page 7: ...hnology and 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 instruction manual nothing can go amiss It is certainly time well spent since it is the only way to find out just what your machine can do and put it to full use If you have any further questions just ask your PFAFF dealer He is happy to be of service with any help or advice So ...

Page 8: ... seam Setting the standard thread tensions Possibilities requiring thread tension corrections 3 thread overedge seam Engaging and disengaging the converter Electrical connection Master switch and sewing light Foot control Notes on safety How to handle the thread spool stand Opening the looper cover and the swivel type work support Thread tension adjustment for sewing with 1 needle and 2 threads Th...

Page 9: ...ng the knives Changing the upper knife Changing the lower knife Upper knife arresting Cleaning the knives Oiling the machine Stitch selection table Sewing problems and their removal Accessories Thread spool net thread unreeling disc Mounting of the Converter Special accessories Specifications contents of the cardboard box 26 27 28 29 30 31 31 44 45 48 53 5 ...

Page 10: ... of the box faces the machine Electrical connection Use this machine only on a flat surface or on a special machine table Connecting foot control 28 Insert plug 29 of the control in machine socket 20 Then connect mains plug 30 to a po wer source Caution When the machine is not in use always switch it off at master switch 21 and disconnect the plug from the power source do not place any objects on ...

Page 11: ...lows The more you press the foot control down the faster the machine will sew Notes on safety This appliance has a polarized plug one blade wider than the other To reduce the risk of electric shock this plug is intended to fit in a polari zed outlet only one way If the plug does not fit fully in the outlet reverse the plug It it still does not fit contact a qualified electrican to install the prop...

Page 12: ...direction indkated by the arrow Fully extend telescopic thread guide bar 19 Slowly turn the two upper tele scopic sections until you hear their de tent balls snap in place After use fold up telescopic thread guide bar 19 Push thread spool stand with or without spools up against the machine 8 ...

Page 13: ... of the looper cover the individual threa ding paths are illustrated in colors Important While the looper cover or work support is open power supply to the machine is interrupted Threading of guide wires 18 and 22 Place thread spools on thread spool stands The machine must be threa ded correctly First pull the threads through guides 18 according to colors Then lift carrying handle 2 and place the ...

Page 14: ...e refer to page 20 Thread right looper 31 in sequence 1 to 9 and pull approximately 10cm 4 of thread through the looper eye the thread path is marked red Important In order to obtain perfect sewing re suits the thread must be pulled bet ween the tension discs when threading the tensions 10 ...

Page 15: ...y means of tweezers 43 Thread guide 9 is threaded by means of looper threader 40 1 The mark on handwheel 9 must be aligned with the mark on the housing 2 Tauten the thread a little 3 Push the slide of the looper threader fully to the left then pull lightly on the thread and allow the slide to re turn slowly By this means the thread is placed in guide 9 Note If the slide can not be moved the marks ...

Page 16: ...e eye 6 Thread the needle from the front The use of needle threader 42 is described on the next page Threading the left needle Threading of guide wires 18 and 22 is shown on page 9 In the left hand illustration the threa ding path is shown from blue tension 1 up to left needle eye 6 Thread the needle from the front The use of needle threader 42 is described on the next page 12 ...

Page 17: ...ally be placed in hook C too Pull the needle threader to the rear out of the needle eye and the thread will be pulled through the eye Pull the thread completey through the needle eye Thread spool change on threaded machine Cut the threads close to the thread spool Place new thread spools on spool holders 17 Tie the threads still in the machine and the new threads to gether Pull the needle threads ...

Page 18: ...o tabs of lint box 8 down wards in the recess of looper cover 10 Then push the bottom of the box against the machine For removal of the lint box use the reverse order Seam allowance If the cutting is guided along below mark N on looper cover 10 a seam allowance of 16 mm must be taken into consideration when cutting the fabric 14 ...

Page 19: ...s with your left hand while turning the hand wheel with your right hand in the direction indica ted by the arrow on the wheel Hold the threads taut and lay them back under sewing foot 14 Make sure the threads interlock correctly during sewing thread chain Insert the test fabric up to upper knife 11 and lower sewing foot lever 16 15 ...

Page 20: ...ly In order to be able to use thread cutter 39 it is necessary to sew beyond the end of the seam Draw the resulting thread chain through the thread cutter from the rear see illustration below left Securing the seam Knot the thread chain For knit fabrics a crochet needle can be used to pull the thread chain into the seam Or Sew about 5 cm 2 beyond the end of seam Turn the workpiece around and sew a...

Page 21: ...lustration below Make the correct adjustment after exa mination of the interlocking of threads the illustration on the left shows a cor rect four thread overedge seam Page 16 lists examples for correction of the individual thread tensions Recommendation Allocation of the individual threads in a seam to their respective looper and needle thread tensions will be easier if as an excercise you thread ...

Page 22: ...read tension The right needle thread B is too loose green thread tension 1 The right looper thread C is too tight red thread tension 2 The left looper thread 0 is too loose yellow thread tension 3 Both tensions must be corrected 1 The left looper thread D is too tight yellow thread tension 2 The right looper thread C is too loose red thread tension 3 Both tensions must be corrected Face side Rever...

Page 23: ...am is sewn with two looper threads and one needle thread Seam width adjustments at adjustment knob 26 3 to 5 mm only refer to the right needle When the left needle is used the set value is increased by 2 2 mm seam width 5 2 to 7 2 mm Left needle 3 thread overedge seam Right needle Standard seam width N 1 I 5 7 MM Standard seam width N El 3 5 MM Max seam width 7 2 mm Max seam width 5 mm 19 ...

Page 24: ...led over the point of the right looper in the direction of the arrow as shown in the left hand illustration Push the slide of converter 41 to the left until the triangular symbols are aligned with each other As you do so the point of the slide must engage in the eye of the looper see Fig A Converter engaged position A Converter disengages position B Disengaging the converter Turn hand wheel 9 slow...

Page 25: ... shows the 2 thread overedge seam with correctly set thread tensions Possible correction requirements 1 Looper thread A is too loose yellow thread tension 2 Needle thread B is too tight blue or green thread tension 3 Both tensions have to be corrected 1 Looper thread A is too tight yellow thread tension 2 Needle thread B is too loose blue or green thread tension 3 Both tensions have to be correcte...

Page 26: ...nthetic thread No 70 140 Heavy materials Tweed suit materials Cotton No 40 60 2 0 to 4 0 mm denim heavy cloth Silk No 40 60 Synthetic thread No 70 140 Knit fabrics Cotton No 40 60 2 0 to 4 0 mm Silk No 40 60 Synthetic thread No 70 140 Rolled hem with Polyester thread No 1 20 140 1 0 to 2 0 mm 2 or 3 threads Mercerized thread bulk thread Setting the stitch length Open work support 12 Hold hand whee...

Page 27: ...al you wish to process see table on page 24 The following settings are possible at button 23 Setting 0 5 Short stroke of front feed dog long stroke of rear feed dog Setting N Same stroke of both feed dogs Setting 1 5 Long stroke of front to 2 feed dog short stroke of rear feed dog The differential feed can be set infini tely from 0 5 to 2 also during sewing Note The following variants can be emplo...

Page 28: ...i renusi tead can also be set during sewing Setting of dif Illustration Correct Fabric rerential feed seam 6 5 to N 1 a Nylon tricot lining fabrics satin poplin and silk N 2 c Light cotton jeans normal fabrics 1 5 3 d Jersey medium cotton nicki fabrics and light knittings 1 5 to 2 4 f Heavy knitware very elastic fabrics rib stitch goods b Fig 1 r C J NI g C Fig 2 24 Fig 3 Fig 4 ...

Page 29: ... with N 3 5 mm Disengage upper knife 11 according to the above description The desired seam width is set with ad justing knob 26 The scale on tne seam width adjustment knob ranges from 3 to 5 mm Set the upper knife at its basic position again and close the looper cover When sewing thick materials tighten screw 37 of the upper knife arresting system securely see p 34 Sew a test seam Note The seam w...

Page 30: ...e foot engages in groove H of the sewing foot holder Changing the light bulb Pull out the mains plug Loosen lamp cover retaining screw 38 Open the lamp cover Behind it the light bulb of the sewing light is situated Removing the light bulb Push the light bulb upwards and turn it fully to the left Inserting the light bulb Insert the new bulb 15 watt max with the pins in the slots push it up and turn...

Page 31: ...ies to remove dust and lint from between the tension discs of the 4 tensions Reset all thread tensions to N or to the values set before cleaning Press the individual tabs of the thread tension cover in the direction indicated by the arrows until the tabs audibly snap in place Then press against the two bottom corners of the cover in the direction indicated by the arrows in order to ensure proper e...

Page 32: ...olled hem is used for light delicate fabrics and is an attractive finish for open edges Without any effort you ca sew professional rolled hems on neck scarves shawls and valances This rolled hem is sewn with three threads see page 29 3 thread rolled hem I Face side Reverse side 2 28 ...

Page 33: ...hread tension left looper approx 5 Green thread tension needle thread approx N Note Rolled hems can also be sewn with two bulk threads and one polyester thread The bulk threads must then be threaded in the left and right looper Depending on material and thread the respective thread tension must be set higher or lower Threading path 1 right looper red path 2 left looper yellow path 3 needle thread ...

Page 34: ...0 CD 0 _ CD DO D CD 3 D3 CDØ CD c1 c zCD CD 3 9 Z 0 CD CD J D DCDCL 033 3 ø 3 9 CD 0 0 0 C 0 0 CD CD Cd aCT 3 C 0 CD D o 0 C 0 D C CD CD 0 0 0 CD rs 4 CD 0 0 CD CD 3 ...

Page 35: ...nk facing rear Use the tweezers to push the needle fully up in the needle holder hold it there and tighten the respective needle set screw Notes The following needles are used on these machines System 130 705 H 75 90 Although the correct needle size de pends on the material and the thread size used we recommend needle size 75 90 An incorrectly inserted needle will cause thread breakage and skipped...

Page 36: ...rt the new upper knife and tighten its retaining screw securely Reset upper knife to its cutting position Set upper knife with knife guide 27 up cutting position Turn the handwheel until the upper knife is at its lowest position In this position the front edge of the upper knife must be O5 to 1 mm below the cutting edge of the lower knife L El It 32 ...

Page 37: ...e new lower knife in such a way that the pin extends into the front hole of the lower knife Then screw down re taining screw 34 together with the pressure tab Align the cutting edge of the lower knife so that it is flush with the needle plate surface Before tightening the retaining screw align the pressure tab Reset the upper knife to cutting position Set the required seam width at adjust ment kno...

Page 38: ...ferent thicknesses the screw of the upper knife must be tightened as shown in the illustration By tightening screw 37 the upper knife is arrested axially Note When sewing thin or medium fabrics screw 37 of the upper knife arresting system must be loosened by about 2 turns so that the upper knife can mo axially Cleaning the knives Disengage the upper knife see top o p 25 Use the lint brush accessor...

Page 39: ...u should apply a little oil to the places indicated The bus hings and other important moving parts are made of special material and need to be oiled only once or twice a month One to two drops of PFAFF sewing machine oil are sufficient Oiling the machine 35 ...

Page 40: ...t ferenta ieec see1o depends on idea e c labnc CewS see 24 1k 81 2 chreed seams anc for the 2 neeche c dieco oeedue ccshic seam the slide 0Cfl et 2 Fe c sec able cc 22 eeole three ensc Loc per rh eao enS ofl NeedIe Sy 130 705 15 a 1 cit red ye ow A cc scac ecL C Et5c scSSffi oc g sc ct meci heavy 4 C C I 2 thrcd serene sean 1 0 Eitt 1 1 SeC harrow N meourc 2 N N Sic 9C 14 as ore sec rccc 5V it Siz...

Page 41: ...I I Sewing foot N 3 for seam widths of 3 to 4 5 mm Sewing fot N for seam widths of 4 to 6 mm Sewing foot N2 for seam widths of 5 5 to 7 2 mm Rolled hem sewing foot R 37 ...

Page 42: ... light 2 1 to N medium 2 1 toN 7 An A Folded 2 thread rolled hem light N 1 to N medium N 3 thread overedge seam narrow 1 N N medium I N N N c 7 heavy j 1 N N hre c eseredge rears wio light 4 2 1 medium 3 2 1 Size 14 heavy N N N 3 thread se awn w m without edge thread light N 3 2 narrow N 3 2 heavy N 3 2 flL light 3 4 3 medium 2 4 2 H 14 heavy N 4 4 38 ...

Page 43: ...N or N 2 see top of p 37 N or N 3 see top of p 37 N or N 3 see top of p 37 N or N 2 see top of p 37 39 ...

Page 44: ...Oh ...

Page 45: ...I I I I I 4 I N or N 3 see top of p 35 N or N 2 see top of p 35 ...

Page 46: ...ead has caught Check whether thread catches at the reel stand etc Thread tension too tight Regulate tension pp 17 18 Needle not fully inserted Insert needle correctly p 31 incorrect needle used Use needle system 1 30 705 H Skipped stitches Needle bent or point Insert new needle damaged Needle not fully inserted Insert needle correctly p 31 Incorrect needle used I Use needle system 1 30 705 H Incor...

Page 47: ...d seams Thread tension too tight Reduce thread tension especially for light materials pp 17 18 Incorrect setting of Re adjust differential feed differential feed Thread has caught due to Thread correctly pp 9 1 3 incorrect threading Puckered seams Inadequate sewing foot Insert sewing foot adequate used for seam width sewn for the seam width see top of p 37 Edge thread Inadequate sewing foot Insert...

Page 48: ...ion of special accessories on pp 45 52 Elastic tape sewing foot Part No 29 9 24 993 80 000 Taping foot Part No 29 924 993 82 000 Blindstitch sewing foot Part No 29 924 993 81 000 Bead sewing foot Part No 2 9 924 993 83 000 Cording foot Part No 29 924 993 70 900 Shirring foot Part No 29 924 993 70 90 1 Lace sewing foot Part No 29 924 993 70 906 String thread sewing foot Part No 29 924 993 70 908 Th...

Page 49: ... the machine Differential teed setting Needle Sewing foot Stitch width Stitch length Thread tension set at N insert the right needle insert blindstitch foot N longest stitch length N red yellow blue 4 I 1 The hem is trimmed serged and sewn in one operation Before sewing cut hem part 3 in by 2 cm This avoids shifting of the hem Place the prepared hem under the sewing foot so that folded hem part 3 ...

Page 50: ...c 2 o the enc o toe 5 For all seam width settings it is possibie ic work with c Scdrcr ce guide the fabric along the right hand sewing cc edge 6 Caution only work with the upper knife at settings ro ft c i 7 Stitch length 3 to 4 mm 8 As certain correct thread tension by makng a est seam N ste caic setring Note If the bead tape is sewn onto the sb ic edge the led ieec st cc user disengage upper kni...

Page 51: ...nsert elastic taping foot I Thread tension N I Stitch width 4 to 4 5 I Stitch length approx 4 I Inserting the elastic tape I Loosen screw 2 so that brake 1 at opening 4 is opened by 1 5 to 2 mm Place in elastic tape 3 and pass it back under the foot Tighten brake I 1 with screw 2 again The more I screw 2 is turned the stronger the pressure of brake 1 on the elastic tape and thus the greater the ga...

Page 52: ... needles depending on tape width Stitch width 3 to 5 mm adjustable for a tape width from 4 to 9 mm Stitch length N Thread tension N inserting the tape 1 Set needle at highest position 2 Disengage upper knife 3 Raise sewing foot and place tape ir guides 1 from right 4 Push tape to right stop with slide 2 5 Adjust location of tape in relation tc needle by turning adjusting screw 3 6 Place fabric in ...

Page 53: ...nd top ply face side to face side together under the sewing foot flush and insert up to the upper knife 4 The cording piping must be placed in guide 1 5 Lower the sewing foot 6 Make a sewing test Thread spool support When big thread spools are used 5 000 to 10 000 meters it is recommendable to place them on thread spool supports To prepare the machine place centering pieces 36 upside down on threa...

Page 54: ... tension Stitch length Inserting the fabric plies 1 Raise the sewing foot 2 Set needle at its highest position 3 Place bottom fabric ply 1 between needle plate and shirring foot and insert up to upper knife 4 Place top fabric ply 2 in opening 3 lush with the bottom ply face side to face side and insert up to stop 4 5 Lower the sewing foot 6 Make a sewing test set at 2 two or one engage shirring fo...

Page 55: ...et at N insert right needle HL 787 788 3 to 4 mm 1 0 to 1 5 mm right looper approx N left looper 5 needle thread approx N Inserting the gimp thread 1 Raise sewing foot and set needle up 2 Engage upper knife 3 Place fabric under the sewing foot 4 Thread gimp thread cord through hole 1 then place it in guide 2 of the sewing foot shoe 5 Sew a test seam Differential feed setting Needle Stitch width St...

Page 56: ...and set needle ccseo screv 3 and adjust guide a aa ihat during sewing the rece enera ss as close to thee e lace and the fabric underne H Tighten screw 3 o sewing the lace on the fabric it through guide 2 alor rce guioe i engage upper knife ie ucderlying fabric is not to be med during lace attaching bo ace enc the fabric must be 9 ecng edge guide 1 Vusrra ed a es seam eec so rg Neec c 5 3 7 ...

Page 57: ...ight Needle system Needle size Number of threads Dimensions Weight 1 300 stitches mm 3 7 2mm 1 4mm Hinged Manual 5mm 130 7O5Horl5xl H 75 9Oorll 14 2 3 4 315x280x330mm 8 5kg Contents of cardboard box 1 machine with motor 1 foot control 1 instruction manual guarantee certificate 1 lint box 1 machine cover 53 ...

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