Table of Contents
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9
9.1
9.2
10
10.1
10.2
10.3
11
11.1
11.2
11.2.1 Adjusting the spring travel .......................................................... 73
11.2.2 Adjusting the spring tension ....................................................... 74
12
12.1
12.2
12.3
13
13.1
13.2
13.3
13.4
14
14.1
14.2
14.3
14.4
14.5
14.6
15
15.1
15.2
15.3
15.4
16
16.1
16.2
17
17.1
17.2
18
18.1
18.2
2
Adjusting the bobbin case lifter .............................................. 60
Adjusting the lifting gap .............................................................. 61
Adjusting the timing for lifting...................................................... 62
Sewing feet................................................................................ 63
Adjusting the sewing foot lifting gear .......................................... 63
Adjusting an even sewing foot stroke ......................................... 67
Adjusting the sewing foot pressure and sewing foot lift .............. 68
Adjusting the needle thread tension....................................... 71
Adjusting the needle thread regulator......................................... 71
Adjusting the thread tensioning spring ....................................... 73
Bobbin winder........................................................................... 75
Adjusting the winder to a bobbin diameter ................................. 75
Adjusting the winder filling quantity ............................................ 76
Adjusting the bobbin thread guide .............................................. 77
Thread trimmer (FA) ................................................................. 78
Adjusting the height of the thread-pulling knife........................... 78
Adjusting the cutoff curve ........................................................... 79
Adjusting the cutting pressure .................................................... 82
Adjusting point in time for cutting................................................ 83
Short thread trimmer (KFA) ..................................................... 85
thread-pulling knife ..................................................................... 86
Adjusting the locking latch .......................................................... 88
Adjusting the control cam sideways ........................................... 89
Adjusting the bobbin case support ............................................. 90
Adjusting the cutting pressure .................................................... 91
Adjusting point in time for cutting................................................ 92
Long thread trimmer (LFA) ...................................................... 94
Adjusting the height of the thread-pulling knife........................... 94
Adjusting the cutoff curve ........................................................... 95
Adjusting the cutting pressure .................................................... 97
Adjusting point in time for cutting................................................ 98
Adjusting the safety release clutch ...................................... 100
Engaging the safety release clutch........................................... 100
Adjusting the torque.................................................................. 102
Toothed belt ............................................................................ 103
Changing the upper toothed belt .............................................. 103
Changing the lower toothed belt ............................................... 104
Sewing motor .......................................................................... 109
Overview of the components .................................................... 109
Disassembling the sewing motor .............................................. 110
Table of Contents
Service Instructions D867 e-con - 00.0 - 08/2023
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Table of Contents
