W6 N 9500C QPL, Manual

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11.9.2 Eyelet buttonhole: programs 009 and 010 .............................156
11.9.3 Round buttonhole: programs 011, 012, 013 and 014 ............156
11.9.4 Stretch buttonhole: program 015 ...........................................157
11.9.5 Sewing buttonholes with buttonhole foot I: Automatic detection
of the buttonhole size ........................................................................157
11.9.6 Sewing buttonholes with buttonhole foot II: Manual setting of
buttonhole size ..................................................................................161
11.9.7 Cutting out the buttonhole ......................................................166
11.10 Sewing with the walking foot (special accessory) ......................167
11.11 Sewing on buttons: program 021 ................................................172
11.12 Sewing with the twin needle 2.0 .................................................175
11.13 Freehand embroidery: program 001 Darning embroidery foot ...179
11.14 Sewing in zippers ........................................................................184
11.15 Saving and sewing patterns, deleting pattern sequences ..........188
11.15.1 Selecting and saving a pattern sequence ............................188
11.15.2 Selecting, saving a pattern template and creating a mirror
image of a pattern .............................................................................194
11.15.3 The first pattern is to be mirrored in the pattern sequence ..202
12 Practical tips ........................................................................................208
12.1 General notes | Tension test and changing the thread ................208
12.1.1 Why use W6 thread? .............................................................208
12.1.2 Tension testing sewing thread | Is my thread unwinding
correctly? ...........................................................................................209
12.1.3 Changing the thread ..............................................................210
12.2 Darts: program 001 Standard foot ................................................211
12.3 Gathering: program 001 Standard foot ........................................213
12.4 Appliqués / Appliqué .....................................................................216
12.5 Sewing corners .............................................................................219
12.6 Sewing at edges ...........................................................................221
12.7 Sewing thick fabrics ......................................................................223
12.8 Sewing thin fabrics .......................................................................225
12.9 Sewing stretch fabrics ..................................................................227
12.10 Sewing a straight line using straight stitch on fabric edges .......229
12.11 Topstitching seams / Sewing jeans seams .................................234
13 Maintenance ........................................................................................235
13.1 Inspection at W6 ...........................................................................235
13.2 Maintenance to be carried out by the customer ...........................236
13.2.1 Checking the needle plate .....................................................236
13.2.2 Checking the needle / Why using W6 needles is important . .236
13.2.3 Cleaning the hook and hook case .........................................238
13.2.3.1 Removing the needle ......................................................238
13.2.3.2 Removing the presser foot and presser foot holder .......240
13.2.3.3 Removing the plastic bobbin ...........................................242
13.2.3.4 Removing the needle plate .............................................243
13.2.3.5 Checking the hook system ..............................................244
13.2.3.6 Checking the hook race for damage ...............................245
13.2.4 Disposal .................................................................................246
14 Help .....................................................................................................247
14.1 Troubleshooting ............................................................................248
14.2 Setting the correct thread tension ................................................251
14.2.1 Checking the thread tension ..................................................251
14.2.2 Setting the upper thread tension ...........................................251
14.2.3 Loosening the upper thread tension ......................................252
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