Silvercrest SON 90 A1 User Manual Page 1

Overlock Sewing Machine SON 90 A16Overlock Sewing MachineOperating instructionsKOMPERNASS GMBHBURGSTRASSE 21 · D-44867 BOCHUMwww.kompernass.comID-Nr.:

- 8 -ThreadingNote: On delivery, all 4 threads are already threaded. You can begin sewing im-mediately. Should you wish to change the thread, and all

- 9 -3. Thread the yarn into the thread guide in that you pull the thread downuntil it slips under the thread guide (2) (Fig. 16).4. Firmly hold the y

- 10 -Threading the lower looper thread (yellow)Attention!Before threading, ALWAYS place the power switch 8 at "O" (Off) and remove the plug

- 11 -5. Thread the yarn in the looper area as per the yellow markings (4 - 8)(Fig. 22).6. Firmly hold the yarn with the tweezers about 4 cm from the

- 12 -2. Thread the yarn into the thread guide in that you pull the thread downuntil it slips under the thread guide (2) (Fig. 25).3. Firmly hold the

- 13 -Threading yarn for the left needle (blue)Attention!Before threading, ALWAYS place the power switch 8 at "O" (Off) and remove the plug

- 14 -4. Thread the yarn as per the blue markings (4 - 6) (Fig. 32/33). 5. Thread the yarn through the left needle (7) (Fig. 33).6. Lay the yarn to th

- 15 -Changing threads (binding together)Changing threads is quite simple with the following procedure:1. Cut the yarn above the spool support 2 (Fig.

- 16 -... by turning the seam width adjustment knobBy using the seam width adjustment knob f, seam width can be adjustedwithin the ranges indicated be

- 17 -Differential transportManner of operationThe machine has two sets of toothed rack feeders, one to the front and oneto the rear. Both sets move i

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- 18 -Free arm sewingTo work tubular-shaped fabrics, such as sleeves or trouser legs, you can remove the free arm cover.• If appropriate, remove the w

- 19 -Overlock seams• Open the front flap 0.• Slide the seam width switch d to "S", so that the seam width finger ispushed forward (1) (Fig.

- 20 -Binding-off and sample sewing• Lay all yarns under the sewing foot a, to the rear, slightly to the left and over the stitch plate e.• Firmly hol

- 21 -2-thread overcast chain stitch (overlock)Figure 53 shows you the stitch pattern for this stitch. This stitch with a needle and 2 threads is used

- 22 -2-thread-overcast-stitchFigure 56 shows you the stitch pattern for this stitch. This stitch with a needle and 2 threads is used for tidying norm

- 23 -upper looper threadneedle threadlower looper thread3-thread chain stitch (overlock)Figure 59 shows you the stitch pattern for this stitch. This

- 24 -needle threadupper looper threadneedle threadlower looper threadUndersideTop3-thread - flatlock seamFigure 63 shows you the stitch pattern for t

- 25 -3-thread overcast chain stitch (overlock)Figure 67 shows you the stitch pattern for this stitch. This stitch with a needle and 3 threads is used

- 26 -3-thread safety stitch, highly elastic, imitatedFigure 71 shows you the stitch pattern for this stitch. This stitch with 2 needles and 3 threads

- 27 -4-thread safety stitch, highly elastic, imitatedFigure 75 shows you the stitch pattern for this stitch. This stitch with 2 needles and 4 threads

- 1 -INDEX PAGEIntended Usage 3Safety instructions 3Items supplied 4Technical Data 4Description of the appliance 5Bringing the upper blade into a res

- 28 -Roll hemmingsWith this machine you can sew four different roll hemming types. When sewing roll hemmings, the fabric edge is folded over and prov

- 29 -2-thread rolled hemFigure 85 shows you the stitch pattern for this stitch. Adjust the thread tension selectors t u to the appropriate values (se

- 30 -Flatlock decorative seamsTo produce flatlock seams, set up the thread tensions for a 3-thread overlockstitch. Sew a seam and then pull the fabri

- 31 -Flatlock seam as decorative seam• Adjust the movable upper blade i into a rest position (Fig. 92). The textile is not trimmed in this type of se

- 32 -Sewing cornersOuter corners1. Cut away, before and after the corner, about 2 cm to the seam line (Fig. 97).2. Sew a stitch further than to the m

- 33 -Tips and TricksUsing pinsAlways insert pins to the left of the sewing foot a (Fig. 103). The pins are thus not in the cutting area of the blade

- 34 -Maintenance and CleaningAttention!Before cleaning or carrying out maintenance, ALWAYS remove the plugfrom the mains power socket. This prevents

- 35 -StorageIMPORTANT:ALWAYS remove the plug from the mains power socket before putting themachine into storage. This prevents an unintentional start

- 36 -TroubleshootingProblem Cause SolutionNeedles break• Needles are bent, blunt or damaged at thepoints.• Fit new needles.• Needles are not correctl

- 2 -Overlock seams 19Roll hemmings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

- 3 -Intended UsageThis overlock sewing machine is intended ...- for use as a portable machine,– for the trimming of material edges (sewing) of typica

- 4 -Items suppliedOverlock Sewing MachineOilWaste containerAccessory boxOperating instructionsThe accessories are to be found in the accessory box on

- 5 -Description of the applianceOn the front fold-out page:1 Thread tree2 Spool support3 Thread roll centerer4 Sewing foot lever5 Adjustment wheel fo

- 6 -Opening the front flapAttention!Always switch the machine off with the power switch 8 when you openthe front flap 0. Risk of Injury!• Slide the f

- 7 -Removing needle(s)Attention!Before exchanging the needles, remove the power plug. This prevents anunintended starting of the machine. If you do n