
Contents
Contents ....................................................................................Chapter - Page
13.02 Tools, gauges and other accessories .................................................................................. 66
13.03 Abbreviations ....................................................................................................................... 66
13.04 Servicing position of the sewing head................................................................................. 67
13.05 Adjusting the sewing head ................................................................................................. 69
13.05.01 Adjustment aids ................................................................................................................... 69
13.05.02 Basic position of the machine drive ...................................................................................70
13.05.03 Needle in needle hole centre............................................................................................... 71
13.05.04 Hook shaft bearing and toothed belt tension....................................................................... 72
13.05.05 Hook lubrication .................................................................................................................. 73
13.05.06 Needle rise, hook-to-needle clearance, needle height and bobbin case position finger .......74
13.05.07 Thread check spring and slack thread regulator ................................................................... 75
13.05.08 Bobbin winder...................................................................................................................... 76
13.06 Adjusting the thread trimming device.................................................................................. 77
13.06.01 Preliminary adjustment of the control cam.......................................................................... 77
13.06.02 Adjusting the roller lever ...................................................................................................... 78
13.06.03 Lateral adjustment of the thread catcher............................................................................. 79
13.06.04 Knife position ....................................................................................................................... 80
13.06.05 Front point of reversal of the thread catcher........................................................................ 81
13.06.06 Manual trimming check........................................................................................................ 82
13.06.07 Readjusting the control cam ................................................................................................ 83
13.07 Adjusting the loading table .................................................................................................. 84
13.07.01 Basic setting of the loading table height.............................................................................. 84
13.07.02 Positioning the loading table ................................................................................................ 85
13.07.03 Retraction depth of the loading table...................................................................................86
13.08 Adjusting the sewing head ..................................................................................................87
13.08.01 Height of the sewing head................................................................................................... 87
13.08.02 Side adjustment of the machine head ................................................................................. 88
13.09 Adjusting the cloth plate ...................................................................................................... 89
13.10 Adjusting the positioning tube .............................................................................................90
13.10.01 Pre-setting the positioning tube........................................................................................... 90
13.10.02 Front end position of the positioning tube ........................................................................... 91
13.10.03 Height and location of the positioning tube ......................................................................... 92
13.11 Height of the needles .......................................................................................................... 93
13.12 Adjusting the spreader......................................................................................................... 94
13.13 Adjusting the table extension ..............................................................................................95
13.14 Adjusting the loading clamp................................................................................................. 96
13.14.01 Height of the loading clamp................................................................................................. 96
13.14.02 Position of the loading clamp ............................................................................................... 97
13.15 Adjusting the brushes .......................................................................................................... 98
13.15.01 Adjusting the long brushes .................................................................................................. 98
13.15.02 Adjusting the short brushes................................................................................................. 99
13.16 Adjusting the knife unit ...................................................................................................... 100
13.16.01 Pre-setting the knife unit.................................................................................................... 100
13.16.02 Height of the knife unit .......................................................................................................101
13.16.03 Knife change ...................................................................................................................... 102