Index

 

 

 

Contents ................................................................................

Page

1.05.04

Knife stroke (on models 574 and 591)..................................................................................

43

1.05.05

Cutting stroke (on model 571)..............................................................................................

44

1.05.06

Cutting stroke (on models 574 and 591) ..............................................................................

45

1.05.07

Knife position .......................................................................................................................

46

1.06

Adjusting the thread trimmer -900/83..................................................................................

47

1.06.01

Resting position of the roller lever / radial position of the control cam................................

47

1.06.02

Position of the thread catcher holder ...................................................................................

48

1.06.03

Position of the thread catcher ..............................................................................................

49

1.06.04

Knife position and knife pressure.........................................................................................

50

1.06.05

Bobbin thread retaining spring.............................................................................................

51

1.06.06

Manual cutting test ..............................................................................................................

52

1.06.07

Releasing the tension ..........................................................................................................

53

1.06.08

Linkage rod (only for the PFAFF 574) ...................................................................................

54

1.07

Adjustment of backtacking mechanism -911/....................................................................... 55

1.07.01

Needle in needle hole (only for PFAFF 571 and 591) ...........................................................

55

1.07.02

Coupling for roller presser drive...........................................................................................

56

1.07.03

Bevel gears for feed wheel drive .........................................................................................

57

1.07.04

Bevel gear play.....................................................................................................................

58

1.07.05

Adjusting the magnets.........................................................................................................

59

1.08

Parameter settings...............................................................................................................

60

2

Block diagram.....................................................................................................................

61

4