Bernina B 570 - Page 4

BERNINA International AG Seestrasse 161 CH-8266 Steckborn Schweiz Seite 4 von 172
DRAFT – VERSION
5.7 Clutch carriage/thread cutter ............................................................................................ 107
5.7.1 Clutch carriage solenoid adjustment ............................................................................................... 107
5.7.2 Clutch carriage alignment ................................................................................................................ 108
5.7.3 Clutch carriage timing ...................................................................................................................... 109
5.7.4 Thread cutter ................................................................................................................................... 110
5.8 Hall position synchronization ............................................................................................ 111
5.9 Threader........................................................................................................................... 112
5.10 Basting Device ............................................................................................................... 112
5.10.1 Needle bar guide ........................................................................................................................... 112
5.10.2 Time of clutch release ................................................................................................................... 113
5.11 Thread regulator ............................................................................................................. 114
5.12 Thread tension ............................................................................................................... 115
5.12.1 Upper thread tension ..................................................................................................................... 115
5.12.2 Lower-thread tension (basic setting) ............................................................................................ 116
5.13 Winder ............................................................................................................................ 117
5.14 Lower-thread sensor position ......................................................................................... 118
Chapter 6 - Service Program ........................................................................................ 119
Starting the Test Program ...................................................................................................... 119
6.1 Section 1 – Service Information ........................................................................................ 121
1a Machine basic data .............................................................................................................................. 121
1b Machine firmware data and technical information ............................................................................... 121
1c Machine operating hours data ............................................................................................................. 122
1d Stitch counter data ............................................................................................................................... 122
1e BSR (BERNINA Stitch Regulator) data ............................................................................................... 122
1f Machine servicing data ......................................................................................................................... 123
1g Saving customer data .......................................................................................................................... 123
1h Customer related data (Customer Information) ................................................................................... 124
1i Dealer related data (Dealer Information) ............................................................................................. 124
1j Log file .................................................................................................................................................. 125
6.2 Section 2 – Screen, symbols ............................................................................................ 125
2a Touch screen calibration ..................................................................................................................... 125
2b LCD (screen brightness) ...................................................................................................................... 126
2c Blank dark LC display (screen) ............................................................................................................ 126
2d Blank white LC display (screen) .......................................................................................................... 126
2e RGB (Red, Green and Blue) screen .................................................................................................... 127
2f Keyboard lights ..................................................................................................................................... 127
2h LED sewing light and brightness ......................................................................................................... 128
6.3 Section 3 – Location of sensors in the machine ................................................................ 128
3a Threader sensor .................................................................................................................................. 128
3b Presser-foot micro switch .................................................................................................................... 129
3c Lower-thread sensor ............................................................................................................................ 129
3d Feed-dog drop ..................................................................................................................................... 130
3g Bobbin winder micros witch ................................................................................................................. 131
3h Frei Hand System FHS ........................................................................................................................ 131
6.4 Section 4 – Signals ........................................................................................................... 132
4a Stitch width and stitch length knob(s) .................................................................................................. 132
4b Functions of keys and buttons on machine ......................................................................................... 133
4c Start-/Stop Slide (SSU) ........................................................................................................................ 133
4d Foot control .......................................................................................................................................... 134
4f Upper Thread Observer (UTO)............................................................................................................. 134
4g BERNINA Stitch Regulator (BSR) ....................................................................................................... 135
4h PCBA-Position ..................................................................................................................................... 135
4i Speaker ................................................................................................................................................. 136
4j USB ports.............................................................................................................................................. 136
4k Basting solenoid .................................................................................................................................. 137
4l Presser-foot recognition ........................................................................................................................ 137
4m BSR foot interface .............................................................................................................................. 138
6.5 Section 5 – Locations of stepping motors in the machine ................................................. 139
5a Stitch-width stepping motor ................................................................................................................. 139
5b Presser-foot pressure stepping motor ................................................................................................. 140
5c Upper-thread tension stepping motor .................................................................................................. 140