Contents
Contents ................................................................................. Chapter – Page
13.05.09 Needle in needle hole centre ......................................................................................... 13 - 11
13.05.10 Hook shaft bearing and toothed belt tension .................................................................13 - 12
13.05.11 Hook lubrication ............................................................................................................13 - 13
13.05.12 Needle rise, hook-to-needle clearance, needle height and bobbin case position finger ..13 - 14
13.05.13 Thread check spring and slack thread regulator ............................................................13 - 16
13.05.14 Presser foot clearance ..................................................................................................13 - 17
13.05.15 Setting the zero point of the feed regulator ....................................................................13 - 18
13.05.16 Stitch length adjustment forwards and in reverse .........................................................13 - 19
13.05.17 Bobbin winder ..............................................................................................................13 - 20
13.05.18 Mechanical limiting of the stitch length ........................................................................13 - 21
13.05.19 Presser foot pressure ...................................................................................................13 - 22
13.06 Adjusting the thread trimming device -900/24 ...............................................................13 - 23
13.06.01 Adjusting the solenoid / preliminary adjustment of the control cam ..............................13 - 23
13.06.02 Lateral alignment of the thread catcher .........................................................................13 - 24
13.06.03 Knife position ................................................................................................................13 - 25
13.06.04 Front point of reversal of the thread catcher ..................................................................13 - 26
13.06.05 Manual trimming check ................................................................................................13 - 27
13.06.06 Needle thread tension release .......................................................................................13 - 28
13.06.07 Readjusting the control cam .........................................................................................13 - 29
13.07 Aligning the light transmitter .........................................................................................13 - 30
13.08 Adjustment of the transmitted light sensors .................................................................13 - 31
13.09 Function control of the bobbin thread monitor ............................................................... 13 - 32
13.10 Adjusting the electric edge guide ..................................................................................13 - 33
13.11 Parameter settings .......................................................................................................13 - 34
13.11.01 Example of a parameter input .......................................................................................13 - 34
13.11.02 Selecting the user level .................................................................................................13 - 35
13.11.03 List of parameters ........................................................................................................ 13 - 36
13.12 Explanation of the error messages ...............................................................................13 - 42
13.13 Service menu ...............................................................................................................13-44
13.14 Internet update of the machine software ......................................................................13 - 48
14 Wearing parts ............................................................................................................. 14 - 1
15 Circuit diagrams .........................................................................................................15 - 1
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