Kärcher SG 4/4, Service Manual

Page: 2 / 25

2
English 5.906-732.0 Rev. 00 (12/14)
Preface 4
Safety instructions 4
Hazard levels 4
Description in this service manual 5
Service groups 5
Functional group structure 5
Textual description 5
Technical Features 5
Type plate 5
AB Service group setup 6
010 Safety information 6
General 6
020 Overview 6
030 Function 6
040 Service activities 7
ABRD Uninstall / install wheels 7
ABGE Uninstalling / installing cover 7
ABNT Uninstalling and installing the refill tank 8
050 Maintenance and inspection 9
060 Error diagnosis 9
070 Peculiarities/ others 9
AD Service group steam system 10
010 Safety information 10
General 10
020 Overview 10
Operating field 11
Position reset key descaling 11
030 Function 12
Functional diagram 12
Filling in and heating up water 12
Working with the steam gun 13
Descaling the pressure tank 13
Safety installations 13
Water shortage thermostat 13
Safety thermostat 13
Pressure controller 14
Safety lock 14
040 Service activities 14
ADDR Uninstalling / installing the pressure regulator 14
ADMA Uninstall / install solenoid valve 14
ADRD Uninstalling / installing the control valve steam volume 15
ADRW Uninstalling / installing the control valve water volume 15
ADTH Uninstalling / installing thermostat 15
ADTW Uninstall / install water shortage thermostat 16
ADWF Uninstalling / installing water filter 16
ADWP Uninstall / install water pump 17
050 Maintenance and inspection 17
060 Error diagnosis 17
070 Peculiarities/ others 17
AH Service group electrics 18
010 Safety information 18
020 Overview 18
030 Function 18
040 Service activities 19
AHNK Uninstalling / installing mains connection 19
AHSD Uninstalling / installing switch for steam supply 19