Operating instructions

Index Page:

Preface and General Safety Instructions

Part 1: Operating Instructions Class 550-867 – Original Instructions

(Edition 12/2011)

1 Product Description ........................................... 5

2 Designated Use .............................................. 8

3 Optional Equipment ........................................... 8

4 Technical Data .............................................. 9

5 Operating

5.1 Threadingtheneedlethread....................................... 10

5.1.1 Machineswithelectronicallycontrolledneedlethreadtension(ETT)............... 11

5.1.2 Machines with mechanically set needle thread tension and with

electromagnetictensionrelease..................................... 12

5.2 Adjustingtheneedle-threadtension(mechanically)......................... 13

5.3 Adjustingtheneedle-threadtension(ETT)............................... 13

5.4 Adjustingthethreadregulator...................................... 14

5.5 Winding on the hook thread ....................................... 15

5.6 Threading in the hook thread....................................... 16

5.7 Inserting the hook thread bobbin with machines equipped with residual thread monitor. . . 17

5.8 Setting the hook thread tension ..................................... 18

5.9 Changingtheneedle............................................ 19

5.10 Liftingthesewingfeet........................................... 20

5.11 Lockingthesewingfeetinliftedposition............................... 20

5.12 Settingthesewing-footstroke...................................... 21

5.13 Sewing-footpressure........................................... 21

5.14 Settingthestitchlength.......................................... 22

5.15 Switch-keyonthemachinearm..................................... 22

5.16 LEDsonthetensionplate ........................................ 25

5.17 Residual-threadmonitorRFW20–7.................................. 25

5.18 Electro-pneumaticrapidstrokeadjustment.............................. 27

5.19 Uninterruptiblepowersupply(UPS) .................................. 28

5.20 Sewinglamp ................................................ 28

6 Operating the tearing seam visualization

6.1 Accessing the system ........................................... 29

6.1.1 Logging in with scanner and barcode ................................. 29

6.1.2 Logging in via the menu .......................................... 30

6.1.3 Logging out of the system ........................................ 31

6.2 Exitingtheprogram............................................ 32