Table of Contents
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Table of contents
1
1.1
1.2
1.3
1.4
1.5
2
2.1
2.2
3
3.1
3.2
3.3
3.4
3.5
3.5.1
3.5.2
3.5.3
3.5.4
3.5.5
3.5.6
3.5.7
3.5.8
3.5.9
3.5.10 Removing and fitting the lower belt guard ................................ 19
3.6
3.6.1
3.6.2
3.6.3
3.7
3.8
4
5
6
7
8
8.1
8.2
9
9.1
9.1.1
9.1.2
9.1.3
9.1.4
9.2
9.3
Service Instructions 610/630 - 00.0 - 10/2014
About these service instructions ............................................ 3
Scope of application of the instructions ...................................... 3
Declaration of conformity ............................................................ 3
Applicable documentation........................................................... 3
Damage during transport ............................................................ 3
Limitation of liability..................................................................... 4
Safety ......................................................................................... 5
Basic safety instructions ............................................................. 5
Signal words and icons used in warnings................................... 6
Work fundamentals .................................................................. 9
Symbols in the text ..................................................................... 9
Sequence of settings ................................................................ 10
Cable guidance......................................................................... 10
Screws in safety covers ............................................................ 10
Removing covers ...................................................................... 11
Access to the underside of the machine................................... 11
Removing and fitting the head cover ........................................ 12
Removing and fitting the arm cover .......................................... 12
Removing and fitting the covers on the base plate................... 13
Removing and inserting the throat plate ................................... 14
Removing and installing the feeds ............................................ 16
Removing and fitting the oil pan ............................................... 17
Removing and fitting the upper belt guard................................ 18
Removing disruptive components............................................. 19
Removing and installing the thread cutting device ................... 20
Flat surfaces on shafts.............................................................. 23
Locking the sewing machine..................................................... 23
Gauge and key set .................................................................. 25
Setting the adjusting disk to the arm shaft crank ............... 28
Setting the holding position of the machine ........................ 30
Setting the lower toothed belt wheel .................................... 31
Setting the sewing foot .......................................................... 32
Setting the lifter stroke .............................................................. 32
Setting the speed of foot lifting ................................................. 33
Setting the looper ................................................................... 34
Setting the rocker bolt and left lower shaft bearing................... 34
Draining and filling the oil in the looper drive housing .............. 35
Removing and fitting the looper drive housing.......................... 36
Setting the left lower shaft bearing ........................................... 37
Setting the rocker bolt............................................................... 38
Setting the looper drive housing ............................................... 40
Setting the needle evasive movement (ellipsis width) .............. 42
1
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