Table Of Contents - Dürkopp Adler D869 e-con Service Instructions Manual

Table of Contents

1
1.1
1.2
1.3
1.4
2
2.1
2.2
3
3.1
3.2
3.3
3.4
3.4.1
3.4.2
3.4.3
3.4.4
3.4.5
3.4.6
3.4.7
3.4.8
3.4.9
3.5
3.6
3.7
3.8
4
5
5.1
5.2
6
6.1
6.2
7
7.1
7.2
7.3
7.4
8
8.1
8.2
8.3
8.4
9
Service Instructions D869 e-con - 00.0 - 09/2023
About these instructions ......................................................... 5
For whom are these instructions intended?................................ 5
Representation conventions - symbols and characters ............. 5
Other documents ........................................................................ 7
Liability........................................................................................ 8
Safety ......................................................................................... 9
Basic safety instructions ............................................................. 9
Signal words and symbols used in warnings ............................ 10
Working basis ......................................................................... 13
Order of the adjustments .......................................................... 13
Laying the cables...................................................................... 13
Calling up the service routine ................................................... 14
Disassembling and assembling the covers............................... 17
Tilting the machine head........................................................... 18
Disassembling and assembling the arm cover ......................... 19
Disassembling and assembling the front cover (service cover) 20
Disassembling and assembling the head cover ....................... 21
Disassembling and assembling the motor cover ...................... 22
Disassembling and assembling the toothed belt cover............. 23
Disassembling and assembling the thread tension plate.......... 25
Disassembling and assembling the throat plate slide............... 27
Disassembling and assembling the throat plate ....................... 28
Disassembling and assembling the feed dog ........................... 30
Flats on shafts .......................................................................... 32
Locking the machine in place ................................................... 34
Adjusting the handwheel into position ...................................... 35
Positioning the arm shaft crank on the arm shaft ............... 37
Performing the basic settings of the eccentrics.................. 38
Adjusting the sewing foot stroke, feed dog lift and feed dog
movement of the eccentric........................................................ 38
Adjusting the compensating weight .......................................... 43
Adjusting the mechanical stitch adjustment ....................... 44
Presetting the stitch regulator gear mechanically ..................... 44
Adjusting the forward and backward stitch ............................... 46
Adjusting feed dog and needle bar linkage ......................... 47
Adjusting the feed dog position................................................. 47
Aligning the needle bar linkage sideways................................. 49
Aligning the needle bar linkage in the sewing direction ............ 51
Adjusting the feed dog height at top dead center ..................... 52
Position of the hook and needle ........................................... 53
Adjusting the hook side clearance ............................................ 53
Adjusting the looping stroke position ........................................ 56
Adjusting the needle guard ....................................................... 57
Adjusting the needle bar height ................................................ 58
Adjusting the bobbin case lifter ............................................ 60
1