DURKOPP ADLER 755 A, Service Instructions Manual

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Table of Contents
2 Service Instructions 755 A/756 A - 00.0 - 02/2019
9 Setting the remaining thread monitor..................................... 77
10 Middle knife............................................................................... 78
10.1 Changing the drive motor ........................................................... 78
10.1.1 Disassembling the drive motor ................................................... 78
10.1.2 Assembling the drive motor ........................................................ 80
10.2
Setting the middle knife .............................................................. 81
11 Setting the thread tension spring ........................................... 84
12 Setting the trimming and clamping device
for the needle threads .............................................................. 85
12.1 Testing the function of the trimming and clamping device
for the needle threads................................................................. 86
12.2 Replacing knives and thread-pulling knife .................................. 87
12.3 Setting the thread-pulling knife to a different needle distance.... 90
12.4 Converting the trimming and clamping device............................ 91
13 Setting the trimming and clamping device
for the hook threads................................................................. 92
13.1 Changing the knives ................................................................... 93
13.2 Setting the height of the hook thread trimmer ............................ 94
13.3 Testing the hook thread trimmer................................................. 95
14 Needle thread advancing device............................................. 96
14.1 Adjusting the needle thread quantity .......................................... 96
14.2 Setting the movement of the needle thread advancing device... 97
15 Changing the sewing motor .................................................... 98
16 Setting the folding station plate ............................................ 101
17 Folder....................................................................................... 103
17.1 Assembling the folder ............................................................... 103
17.2 Aligning the folder with the needles.......................................... 104
17.3 Aligning the folder with the middle of the pocket opening ........ 105
17.4 Setting the guide plates at the folder ........................................ 107
17.5 Setting the stroke movement for the folder............................... 109
17.6 Setting the folder detection....................................................... 113
18 Transport carriage.................................................................. 115
18.1 Setting the reference position of the transport carriage............ 115
18.2 Setting the front end position of the transport carriage............. 116
18.3 Changing the toothed belt ........................................................ 118
18.4 Setting the toothed belt tension ................................................ 120
19 Transport clamps ................................................................... 123
19.1 Setting the height of the transport clamps ................................ 124
19.2 Changing the transport clamps................................................. 125
19.3 Aligning the transport clamps with the sliding plate edge......... 126
19.4 Setting the distance of the transport clamps
to the folder sole ....................................................................... 127
19.4.1 Setting the distance of the transport clamps
to the folder sole (manually) ..................................................... 128