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CONTENTS
1
PURPOSE OF THIS SERVICE MANUAL .............................................................................................. 6
2
IMPORTANT NOTES ............................................................................................................................. 6
3
WASHING PRINCIPLES ........................................................................................................................ 7
3.1
Washing ............................................................................................................................................. 7
3.1.1
Results of the wash.................................................................................................................... 7
3.2
Fabrics ............................................................................................................................................... 8
3.2.1
Natural and artificial fibres.......................................................................................................... 8
3.2.2
Washing the various types of fibres ........................................................................................... 8
3.2.3
Washing animal fibres:............................................................................................................... 8
3.2.4
International symbols for washing of fabrics .............................................................................. 9
3.3
Classification of soiling .................................................................................................................... 10
3.4
Mechanical action ............................................................................................................................ 10
3.5
Duration of the washing cycle.......................................................................................................... 10
3.6
Water ............................................................................................................................................... 11
3.6.1
Formation of lime scale and ferrous oxide ............................................................................... 11
3.6.2
Hardness of the water .............................................................................................................. 11
3.6.3
Total water hardness................................................................................................................ 12
3.7
Detergents ....................................................................................................................................... 13
3.7.1
Composition of a detergent ...................................................................................................... 13
3.7.2
Functions of the principal components of a detergent ............................................................. 13
3.7.3
Functions of other components of a detergent ........................................................................ 14
3.7.4
Detergent quantities ................................................................................................................. 15
3.7.5
Washing additives .................................................................................................................... 16
3.7.6
Bleaching.................................................................................................................................. 16
3.8
The function of the water temperature............................................................................................. 17
3.8.1
Using the correct temperature.................................................................................................. 17
3.9
Washing machine programmes ....................................................................................................... 18
4
4.1
Washing system............................................................................................................................... 19
4.1.1
"ECO-BALL" ball valve ............................................................................................................. 20
4.1.2
Ball valve: operating principle .................................................................................................. 20
4.1.3
"JETSYSTEM" washing system ............................................................................................... 21
4.1.3.1
JETSYSTEM Hydraulic circuit............................................................................................ 21
4.2
Cabinet............................................................................................................................................. 22
4.3
Door ................................................................................................................................................. 22
4.3.1
Handle assembly..................................................................................................................... 22
4.4
Control panel.................................................................................................................................... 23
4.4.1
Examples of control panels ...................................................................................................... 23
4.5
Washing groups ............................................................................................................................... 24
4.5.1
Types of washing groups ......................................................................................................... 24
4.5.2
Washing group ......................................................................................................................... 25
4.5.2.1
Support for bearings........................................................................................................... 25
4.5.2.2
Drum................................................................................................................................... 26
4.5.2.3
Damper............................................................................................................................... 26
4.5.2.4
Drum rotation drive belt ...................................................................................................... 27
4.6
Detergent dispenser......................................................................................................................... 28
4.6.1
Detergent dispenser with multiple-outlet solenoid valve ("long" version) ................................ 28
4.6.1.1
Operating principle ............................................................................................................. 29
4.6.2
Detergent dispenser with multiple-outlet solenoid valve ("short" version G19) ....................... 30
4.6.2.1
Operating principle ............................................................................................................. 31
4.7
Washing machine with traditional washing system and "ECO-BALL" ball valve ............................. 32
4.8
"NEW JET" circulation circuit ........................................................................................................... 32
4.8.1
Drain filter ................................................................................................................................. 32
5
ELECTRICAL COMPONENTS ............................................................................................................. 33
5.1
Suppressor....................................................................................................................................... 33
5.1.1
General characteristics ............................................................................................................ 33
5.1.2
Electrical symbols .................................................................................................................... 33
5.1.3
Circuit diagrams ....................................................................................................................... 33
5.1.4
Checking for efficiency ............................................................................................................. 33
5.2
Push-button...................................................................................................................................... 34
5.2.1
General characteristics ............................................................................................................ 34
SOI/DT 2006-01 dmm
3/71
599 37 47-13
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