Bernina B 590 Service And Maintenance Manual page 5

5e All stepping motors in pinning position ................................................................................................ 141
5f Bobbin winder motor ............................................................................................................................. 141
5g Stitch-length stepping motor ................................................................................................................ 142
6.6 Section 6 - Adjustments ................................................................................................... 143
6a Sewing-off (user interface) .................................................................................................................. 143
6b Electronic balance calibration .............................................................................................................. 144
BERNINA Dual Feed balance .................................................................................................................. 146
6c Buttonhole calibration .......................................................................................................................... 147
6d Thread cutter clamping mechanism (solenoid) ................................................................................... 148
6e Thread cutting ...................................................................................................................................... 149
6f Resetting upper-thread tension to default ............................................................................................ 149
6g Resetting to factory settings (Reset all) ............................................................................................... 150
6j Automatic upper-thread tension ........................................................................................................... 151
6k Test Tie On .......................................................................................................................................... 151
6l Start-/Stop slide (SSU) calibration ........................................................................................................ 152
6m Normal SSU stitching speed............................................................................................................... 152
6n BSR sewing mode ............................................................................................................................... 153
6o Magnetic position encoder calibration ................................................................................................. 154
6.7 Section 7 - Embroidery module (EMB) ............................................................................. 154
6.11 Section 11 - Check-out tests .......................................................................................... 155
Important! .................................................................................................................................................. 155
Check-out tests: ........................................................................................................................................ 155
Chapter 7 - Lubrication Diagram ................................................................................. 156
7.1. Lubrication of modified hook driver when removed from machine .................................................... 161
Chapter 8 - Firmware Update ...................................................................................... 162
8.1 Update Procedure ............................................................................................................ 162
8.2 Update alternative access .................................................................................................................. 164
8.3 After replacing the PCBA-CPU module .............................................................................................. 164
Chapter 9 - Maintenance Guidelines ............................................................................ 165
9.1 Purpose of the Maintenance Guidelines ........................................................................... 165
9.2 Explanatory notes on the stitch- and hour counter ............................................................ 165
9.2.1 When is a cleaning message displayed? ........................................................................................ 165
9.2.2 When is a maintenance message displayed? ................................................................................. 165
9.2.3 How are the stitches counted? ........................................................................................................ 165
Calculation table ....................................................................................................................................... 166
9.2.4 Implementation of the maintenance intervals .................................................................................. 166
9.3 Maintenance intervals....................................................................................................... 166
9.3.1 Cleaning- and service-stitch reset ................................................................................................... 166
9.4 Wear-and-tear-parts definition .......................................................................................... 167
9.4.1 Non-hour-related parts .................................................................................................................... 167
9.5 Maintenance checklist ...................................................................................................... 168
9.5.1 Measures to be taken before the servicing ..................................................................................... 168
9.5.2 Measures to be taken after the service ........................................................................................... 168
9.5.3 Functional check .............................................................................................................................. 169
9.5.4 Maintenance checklist BERNINA 590, 570 QE, 540, 520, 500....................................................... 170
9.5.5 Embroidery module ......................................................................................................................... 171
Chapter 10 - Document Revision History ............................................................................... 172
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