Table of Contents
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Table of Contents
1
1.1
1.2
1.3
1.4
2
2.1
2.2
3
3.1
3.2
3.3
3.3.1 Access to the underside of the machine..................................... 10
3.3.2 Removing and fitting the arm cover ............................................ 11
3.3.3 Removing and fitting the head cover .......................................... 12
3.3.4 Removing and fitting the cover plate .......................................... 12
3.3.5 Removing and fitting the handwheel and belt cover ................... 13
3.3.6 Removing and installing the thread tension plate ....................... 13
3.3.7 Removing and installing the hook compartment cover ............... 14
3.3.8 Removing and installing the throat plate .................................... 15
3.3.9 Removing and installing the feed dog ........................................ 16
3.4
3.5
3.6
3.7
4
5
6
6.1
6.1.1 Removing the belt....................................................................... 25
6.1.2 Adjusting the drive pulley............................................................ 26
6.1.3 Adjusting the belt tension ........................................................... 27
6.2
6.2.1 Determining the drive ratio in the control program...................... 28
6.2.2 Adjusting the reference position of the handwheel ..................... 28
7
7.1
7.2
7.3
7.4
8
8.1
8.1.1 Moving the feed dog ................................................................... 40
8.1.2 Moving the feed dog carrier ........................................................ 40
8.2
8.2.1 Adjusting the forward movement ................................................ 42
Service Instructions 969 - 01.0 - 12/2015
About these Service Instructions.............................................. 3
Scope of the Service Instructions ................................................. 3
Representation conventions - symbols and characters ............... 3
Other documents .......................................................................... 4
Liability.......................................................................................... 4
Safety ........................................................................................... 5
Basic safety instructions ............................................................... 5
Signal words and symbols used in warnings ................................ 6
Basic Principles of Working with the Machine ........................ 9
Sequence of the settings .............................................................. 9
Cable routing ................................................................................ 9
Removing the covers .................................................................. 10
Flats on shafts ............................................................................ 17
Axial play for shafts running in plain bearings ............................ 18
Locking the machine in place ..................................................... 19
Moving the handwheel into position ........................................... 20
Positioning the arm shaft......................................................... 21
Setting the handwheel scale ................................................... 23
Setting the drive ....................................................................... 25
Setting the drive ratio.................................................................. 25
Adjusting the positioning of the machine .................................... 28
Setting the stitch length adjusting wheels............................. 31
Setting the upper stitch length adjusting wheel .......................... 31
Setting the lower stitch length adjusting wheel ........................... 33
Setting the stitch length limit ....................................................... 35
Setting the feed dog ................................................................. 39
Setting the feed dog position ...................................................... 39
Setting the feed dog movement.................................................. 42
1
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