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Pfaff hobbylock 799, Instruction Manual, Page: 66 / 66

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Pfaff hobbylock 799 Instruction Manual Download Page 66

Summary of Contents for hobbylock 799

Page 1: ...0 C p 0 C I I I p P D C C 0 0 D 3C D C C 0 0...

Page 2: ...thorized dealer or service center for exami nation repair electrical or mechanical adjustment 4 Never operate the sewing machine with any air openings blocked Keep ventilation openings of the sewing m...

Page 3: ...4 thread safety stitch 4 thread safety stitch 2 thread chainstitch with overedge stitch Correcting the thread tensions 3 thread overedge stitch Engaging and disengaging the converter Correcting the t...

Page 4: ...z LL...

Page 5: ...ut work support 16 Adjusting knob for differential feed 17 Needle plate 18 Sewing foot 19 Needle holder _______________________________ 20 Sewing foot lifting lever 21 Thread spool stand 22 Thread spo...

Page 6: ...cal connection This machine must only be used on a flat and even surface or on a special sewing table Connecting foot control 26 Insert plug 27 of the control in machine socket 23 then connect mains p...

Page 7: ...maximum speed can be preselec ted in two stages by the switch on the foot control Position Half speed Position 44 Full speed Notes on safety A Owing to the up and down movement of the needles and the...

Page 8: ...bar 38 Slowly turn the two upper telescopic sections until you hear their arresters snap in place guide bar 38 Push thread spool stand with or without spools fully against the machine After use fold u...

Page 9: ...n power supply to the machine is interrupted Important A While the looper cover or work sup port is open the power supply to the machine is cut off Threading paths for different stitch types on the re...

Page 10: ...34 Set the thread tensions at N and thread the machine in the following sequence 1 right looper red 2 left looper yellow 3 right needle green 4 left needle blue Fold carrying handle 3 down again Needl...

Page 11: ...g threading Note Changing a spool with the machine threaded Cut the threads off close to the thread spool Place new thread spools on spool holders 22 Tie the ends of the old thread and new thread toge...

Page 12: ...ng threa ding Note Changing a spool with the machine threaded Cut the threads off close to the thread spool Place new thread spools on spool holders 22 Tie the ends of the old thread and new thread to...

Page 13: ...s during threa ding Note Changing a spool with the machine threaded Cut the threads off close to the thread spool Place new thread spools on spool holders 22 Tie the ends of the old thread and new thr...

Page 14: ...threading for the overedge needle in sequence 1 to 6 The threading path is marked pink dot symbol Threading overedge needles B and C without needle A Carry out threading for the overedge needle in seq...

Page 15: ...will automatically place itself 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 fully through the needle eye Not...

Page 16: ...the cutouts on the front cover Seam depth graduations Application example If the seam allowance of a cut part is 20 mm the edge of the butting must be guided along the 20 mm graduation on knife guard...

Page 17: ...in position R or N Position R is for all rolledhem seams Position N is for all other seams How to use thread regulator 41 Pull regulator 41 outwards and push it downwards to position R until it snaps...

Page 18: ...the thread ends with your left hand and turn the hand wheel with your right hand in the direction indica ted by the arrow on the wheel Hold the threads taut and place them back under sewing foot 18 Pl...

Page 19: ...only Thread cutter In order to use thread cutter 42 it is necessary to sew beyond the end of the seam Draw the resulting thread chain through the thread cutter from the rear see bottom illustration Se...

Page 20: ...ly thicknesses This machine can sew all kinds of fabric from very light to very heavy For extremely heavy fabrics or work pieces of different thickness the screw of the upper knife must be fully tight...

Page 21: ...he correct tension is set after checking the thread interloop see pages 20 to 24 Set N on the thread tension thumbwheels at the corresponding colour symbol If needle A only for chainstitch is in use N...

Page 22: ...and C Stitch type 3 sewn with needles A and B wide Thread tensions blue triangular symbol pink dot symbol green dot symbol yellow dot symbol mauve triangular symbol Application examples Joining seams...

Page 23: ...rter Thread tensions pink dot symbol yellow dot symbol Application examples For sewing and serging all types of fabric especially suitable for stretch fabrics top side chainstitch top side 4 thread sa...

Page 24: ...2 thread overedge seams please see page 27 3 thread overedge seam wide The thread tension of needle B is too weak The pink thread tension must be turned towards 3 thread overedge seam narrow The thre...

Page 25: ...cordingly The left looper thread is too tight yel low tension or the right looper is too loose green tension It is possible that both tensions are incorrectly set Adjust tensions accordingly 4 thread...

Page 26: ...towards 5 thread safetystitch seam Since the 5 thread safety stitch seam consists of a chainstitch seam and a 3 thread overedge seam the correc tion of this seam is not described again see pages 22 an...

Page 27: ...idth 5 mm 3 thread overedge seam The 3 thread overedge seam is sewn Set regulator 41 at N with two looper threads and one see page 1 5 needle thread needle change see page 40 Changes of seam width mad...

Page 28: ...ooper 31 must be pulled over the point of the right looper in the direction of the arrow as shown in the illustra tion Push the slide of converter 40 to the left until the triangular symbols are align...

Page 29: ...redge seam with correctly set thread tensions Regulator 41 must be set at N see page 15 Possible correction of thread tenions 1 Looper thread A is too loose yellow thread tension 2 Needle thread B is...

Page 30: ...nstitch 2 to 3 mm Size 50 100 Synthetic Size 70 140 Medium Cotton light heavy knits linen fabrics fress fabrics Cotton Size 60 100 Overedge Silk 3 to 4 mm stitch Size 50 100 Synthetic Size 70 140 Cott...

Page 31: ...eed jacket fabrics Cotton Size 40 60 2 0 to 4 0 mm denim heavy cloth Silk Size 40 60 Synthetic Size 70 140 Knitwear Cotton Size 40 60 Silk Size 40 60 2 0 to 4 0 mm Synthetic Size 70 140 2 or 3 thread...

Page 32: ...he required stitch length at mark A The stitch length settings range from 1 mm to 4 mm The numbers on the hand wheel indicate the stitch length in mm When you have set the required stitch length relea...

Page 33: ...rial you wish to sew see table on page 32 The following settings are possible using button 16 Setting 0 5 Short stroke of front feed dog long stroke of rear feed dog Setting Same stroke of both feed d...

Page 34: ...ed can also be set during sewing Differential Correct Fabric Illustration feed setting seam Nylon tricot lining fabrics 0 5 to N 1 a satin popelin and silk Light cotton jeans 2 C normal fabrics Jersey...

Page 35: ...inst retaining screws 44 of the upper knife to push the upper knife holder fully to the right To do this first loosen screw 36 of the upper knife lock see page 18 In this position turn the knurled kno...

Page 36: ...ter sewing chainstitch seams carry out the following instructions on the machine Open the looper cover Then open the work support a little and remove the workpiece guide plate see illustration at left...

Page 37: ...e required seam width is set with adjusting knob 35 The graduations on the seamwidth adjusting knob range from 2 5 to 5 Set the upper knife at its basic position again and close the looper cover The s...

Page 38: ...rolled hem is used for light delicate fabrics and is an attractive finish for raw edges Without any effort you can sew professional rolled hems on head scarves shawls and valances d6 under side 2 thre...

Page 39: ...down to position R so that it snaps in see ill 3 thread rolled hem Sewn with polyester thread 100 to 140 A rolled hem is used for light delicate fabrics and is an attractive finish for raw edges With...

Page 40: ...d the respective thread tension must be set higher or lower Rolled hem sewn with bulk thread This hem requires three threads one bulk thread and two polyester threads 120 140 Preparation of the machin...

Page 41: ...as shown in the illustration The sewing foot disengages Engaging the sewing foot Place the sewing foot under the sewing foot holder so that when you lower the lifting lever crosspiece G engages in gro...

Page 42: ...must face the rear Using the tweezers push the needle up into the needle holder as far as it will go hold it there and tigh ten the corresponding needle set screw Notes The following needles are used...

Page 43: ...ife from below into the groove of the knife holder The cutting edge must face right Tighten retaining screw 30 together with the pressure plate Position the cutting edge of the lower knife so that it...

Page 44: ...fe and tighten its retaining screw 44 just a little Set the upper knife at its working posi tion Turn the hand wheel unti the upper knife has reached its lowest point In this position the front edge o...

Page 45: ...Push the light bulb upwards and turn it in direction 1 Inserting the light bulb Insert the new bulb 1 5 Watt max with its pins in slots 3 push it up and turn in direction 2 Close and fasten housing co...

Page 46: ...e application i e to the type of fabric fabric thickness and thread used The Sewing foot must be selected according to the seam width see ill at right The differential feed setting depends on the type...

Page 47: ...Sewing foot N 3 for Sewing foot N Sewing foot N 2 for Rolled hem sewing seam widths of 3 for seam widths seam widths of 5 5 foot R to 4 5 mm of 4 to 6 mm to 7 2 mm...

Page 48: ...g seam without edge thread light 1 1 wide N or N 2 90 see top 14 of medium 1 1 page 45 heavy 1 1 2 thread roiled hem light 2 0 5 R 75 see top 11 of medium 2 0 5 page 45 heavy Folded 2 thread rolled he...

Page 49: ...L17...

Page 50: ...ight N 5 3 wide N or N 2 90 see top 14 of page 45 medium N 5 3 heavy 1 5 3 Decorative 3 thread serging seam narrow light 3 N 2 3thread fiatlock seam N or N 3 90 see top 14 of page 45 medium 3 N 2 heav...

Page 51: ...617...

Page 52: ...1 2 N N or N 90 90 ee to 14 14 of medium 1 N 2 N page 4 heavy N N N N 4 thread safety stitch seam narrow light 1 5 1 N NorN 90 90 see tc 14 14 of medium 1 5 1 N page 4 heavy N 5 1 N 4 thread safety st...

Page 53: ......

Page 54: ...read caught Check whether thread catches up at reel stand etc Thread tension too tight Regulate tension pages 18 to 24 Needle not fully inserted Insert needle correctly page 40 Incorrect needle used U...

Page 55: ...of Red adjust differential feed differential feed Thread has caught due to Thread correctly pp 8 13 incorrect threading Puckered seams Unsuitable sewing foot Insert sewing foot suitable for the used...

Page 56: ...dicated The bushes and other important moving parts are made of special material and need oiling only once or twice a month One or two drops of PFAFF sewing machine oil are sufficient Disengage the up...

Page 57: ...Needle threader 4 Special accessories see pages 56 62 Elastic tape sewing foot Part No 29 924 993 67 100 Taping foot 6 Part No 29 924 993 70 904 Blindstitch sewing foot Part No 29 924 993 68 100 Bead...

Page 58: ...Set regulator 41 at N Differential feed setting set at Needle Insert needle C Sewing foot insert blindstitch foot Stitch width N Stitch length longest stitch length Thread tension N red green yellow T...

Page 59: ...2 to the end of the foot Fig 1 6 For all seam width settings it is possible to work with or without upper knife guide the fabric along the righthand sewing foot edge 7 Caution only work with the uppe...

Page 60: ...5 approx 4 Inserting elastic tape 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 1 with screw 2 again The mo...

Page 61: ...ape width 3 to 5 mm adjustable for a tape width from 4 to 9 mm N N Inserting the tape 1 Set needle at highest position 2 Disengage upper knife 3 Raise sewing foot and place tape in guides 1 from right...

Page 62: ...ace bottom ply cording tape and top ply flush face to face together under the sewing foot up to the upper knife 4 The cording piping must be placed in guide 1 5 Lower the sewing foot 6 Make a sewing t...

Page 63: ...ad regultor 41 at N Differential feed setting Needle Stitch width Stitch length Thread tension see section on rolled hems Inserting the gimp thread 1 Raise sewing foot and set needle up 2 Engage upper...

Page 64: ...needle thread 1 to 4 Sewing on lace 1 Raise sewing foot and set needle up 2 Loosen screw 3 and adjust guide 2 in such a way that during sewing the needle penetrates as close to the edge of the lace an...

Page 65: ...t Needle system Needle size Number of threads Dimensions Weight stitches mm 3 7 2mm 4mm HL788 1 5 mm HL 787 system Manual 75 90or1114 2 3 4 5 315x280x330mm approx 8 5 kg Contents of cardboard box Mach...

Page 66: ...Aktlen geseI Ischaft Werk Karisruhe Durlach Gritznerstrae 11 7500 Karlsruhe 41 Printed in West Germany Druckerel Gablenc GmbH 7504 Weingarten Stettiner Stralte 17 Subject to alterations in design No...

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