Electrolux LAUNDRY - Default Chapter; Table of Contents

SOI/DT 2006-01 dmm 3/71 599 37 47-13
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 FRONT-LOADING WASHING MACHINE “HEC” ............................................................................ 19
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