Kärcher SG 4/4 Service Manual Download Page 19

Page: 19 / 25

English

5.906-732.0 Rev. 00 (12/14)

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ABRD Uninstall / install wheels

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ABGE Uninstalling / installing cover

1 Pressure container
2 Pipes
3 Safety clip
4 Mains connection

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Put pressure tank aside.

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Disconnect lines.

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Pull out the safety clip.

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Pull out the mains connection.

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ABRD Uninstall / install wheels



ABGE Uninstalling / installing cover

1 Switch
2 Connector

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Disconnect the connectors.

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Unlock the switch.



Remove the switch.



ABRD Uninstall / install wheels



ABGE Uninstalling / installing cover

1 Switch
2 Connector



Disconnect the connectors.



Unlock the switch.



Remove the switch.

040 Service activities

AHNK Uninstalling / installing mains connection

AHSD Uninstalling / installing switch for steam supply

AHSH Uninstalling / installing switch for heating

Summary of Contents for SG 4/4

Page 1: ...English 5 906 732 0 Rev 00 12 14 1 SG 4 4 Service Manual ...

Page 2: ... 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...

Page 3: ...lights 20 AHTR Uninstalling installing transformer 20 AHAE Uninstalling installing switch off electronics 20 050 Maintenance and inspection 21 060 Error diagnosis 21 070 Peculiarities others 21 Technical specifications 22 Circuit diagram 22 Troubleshooting 23 Measured values 24 010 Safety information 24 Voltage measurement 25 ...

Page 4: ...party access to this information is permitted only with the explicit permission of the company Alfred Kärcher GmbH Co KG P O Box 160 D 71349 Winnenden www kaercher com Service and maintenance tasks may only be performed by qualified and specially trained specialists Observe safety information in the chapters DANGER Prior to all work on the appliance switch off the appliance and pull the power plug...

Page 5: ...nufacture 3 Bar code Contains part and serial number 4 Address of manufacturer 5 Max operating pressure 6 Permitted operating pressure 7 Tank content 8 Main Supply 9 Serial number 10 Appliance description 11 Max work temperature 12 Type of protection 13 Connection output 14 Typical operating weight Description in this service manual Service groups AN RA Install uninstall wheel axle Service group C...

Page 6: ... respective safety regulations To avoid risks all repairs and replacement of spare parts may only be carried out by the authorised custom er service personnel Only use accessories and spare parts which have been approved by the manufacturer The exclusive use of original accessories and original spare parts ensures that the appliance can be operated safely and trouble free Allow the appliance to co...

Page 7: ...heel 2 Bolts 3 Wheel cap Remove the wheel cover Remove the bolt Remove wheel ABRD Uninstall install wheels 1 Screws Unscrew the screws 1 Safety lock 2 Rotary knob Remove the safety lock from the device Turn rotary knobs to minimum 040 Service activities ABRD Uninstall install wheels ABGE Uninstalling installing cover ...

Page 8: ...on Grease the thermostat with heat conducting paste Lay lines free of kinks Uninstall the rotary knobs for easier installation of the cov er Perform a function test ABRD Uninstall install wheels ABGE Uninstalling installing cover 1 Screws Unscrew the screws 1 Hood Remove the hood 1 Screws Unscrew the screws ABNT Uninstalling and installing the refill tank ...

Page 9: ...e 3 Water pump 4 Tank Loosen the hose clamps Pull out the hoses Remove the water pump Remove the tank Service group does not contain any maintenance and in spection points The service group does not contain any error diagnosis The service group does not contain any peculiarities 050 Maintenance and inspection 060 Error diagnosis 070 Peculiarities others ...

Page 10: ... out by the authorised custom er service personnel Only use accessories and spare parts which have been approved by the manufacturer The exclusive use of original accessories and original spare parts ensures that the appliance can be operated safely and trouble free Allow the appliance to cool down prior to performing service tasks AD Service group steam system 010 Safety information General 020 O...

Page 11: ...ndicator lamp heating yellow 4 Rotary knob for VAPOHYDRO regulation 5 Temperature display 6 Rotary knob for steam quantity controller 7 Indicator light water shortage fresh water tank red 8 Indicator lamp Descaling white 9 Switch heating ON OFF 1 Reset key Descaling Operating field Position reset key descaling ...

Page 12: ...s heating The pressure regulator switches the heating off as soon as the set steam pressure has been reached The level sensor monitors the water level in the pressure tank If the water level falls under a certain level due to the steam consumption the water pump is switched on This delivers water from the refill tank to the pressure tank until the water level there has increased so much that the l...

Page 13: ...he solution rinse the pressure tank with cold water at least twice in order to remove all residue Press the reset key until the indicator lamp Descaling goes off The appliance is ready for use again After approx 50 op erating hours the indicator lamp Descaling shows the next necessary descaling process The thermostat water shortage interrupts the circuit for the heating if the water in the pressur...

Page 14: ...is defective If the safety lock has opened the pressure regulator must be checked in order to detect why it has not functioned ABRD Uninstall install wheels ABGE Uninstalling installing cover 1 Switch 2 Screws 3 Connector 4 Pressure regulator Disconnect the connector Loosen screws Remove the switch Unscrew the pressure regulator Installation information Check for leaks ABRD Uninstall install wheel...

Page 15: ...Uninstalling installing cover 1 Turning handle 2 Valve 3 Hose clip 4 Screws 5 Hose Pull off the rotary handle Unscrew the screws Loosen the hose clamps Pull off the hose Replace the valves Installation information Check the O ring ABRD Uninstall install wheels ABGE Uninstalling installing cover 1 Screw 2 Connector 3 Thermostat 4 Halting plate Disconnect the connector Loosen the screw Remove the re...

Page 16: ...mostat 4 Halting plate Disconnect the connector Loosen the screw Remove the retaining plate Remove the thermostat 1 Screws 2 Cover Unscrew the screws Remove the lid 1 Water filter 2 Hose Pull out the hoses Remove water filter Installation information Mind the fitting position of the filter ADTW Uninstall install water shortage thermostat ADWF Uninstalling installing water filter ...

Page 17: ... out the hoses Uninstall water pump Installation information Renew hose clips Check for leaks Service group does not contain any maintenance and in spection points The service group does not contain any error diagnosis The service group does not contain any peculiarities ADWP Uninstall install water pump 050 Maintenance and inspection 060 Error diagnosis 070 Peculiarities others ...

Page 18: ...ure prior to all work on the appliance and the accessories Observe general safety information No special functional characteristics AH Service group electrics 010 Safety information 020 Overview AHNK Uninstalling installing mains connection AHSD Uninstalling installing switch for steam supply AHKL Uninstalling installing indicator lights AHTR Uninstalling installing transformer AHAE Uninstalling i...

Page 19: ...RD Uninstall install wheels ABGE Uninstalling installing cover 1 Switch 2 Connector Disconnect the connectors Unlock the switch Remove the switch ABRD Uninstall install wheels ABGE Uninstalling installing cover 1 Switch 2 Connector Disconnect the connectors Unlock the switch Remove the switch 040 Service activities AHNK Uninstalling installing mains connection AHSD Uninstalling installing switch f...

Page 20: ... ABRD Uninstall install wheels ABGE Uninstalling installing cover 1 Connector 2 Transformer Disconnect the connector Remove transformer Installation information Lay lines free of kinks Mind correct installation of the lines 1 Hood Remove the hood 1 Screws Unscrew the screws AHKL Uninstalling installing indicator lights AHTR Uninstalling installing transformer AHAE Uninstalling installing switch of...

Page 21: ...ard from the casing Installation information Check O rings for damage Observe the plug arrangement during installation Service group does not contain any maintenance and in spection points The service group does not contain any error diagnosis The service group does not contain any peculiarities 050 Maintenance and inspection 060 Error diagnosis 070 Peculiarities others ...

Page 22: ... protection IPX4 Protective class I Performance data Heating output W 2300 Pump W 50 Max operating pressure MPa bar 0 4 4 0 Permitted operating pressure MPa bar 0 6 6 0 Max work temperature C 145 Heating time per litre of water min approx 4 5 Steam quantity max g min 82 Dimensions and weights Typical operating weight kg 8 0 Max water capacity l 4 0 Tank content l 2 0 Boiler capacity l 2 4 Length x...

Page 23: ...lve water volume The indicator light for water shortage is always on Thermostat defective Replace the thermostat ADTW Uninstall install water shortage thermostat Safety lock has opened Pressure regulator defective Check replace the pressure regulator ADDR Uninstalling installing the pres sure regulator Safety lock has opened Safety lock defective Replace the safety lock Thermostat has switched the...

Page 24: ...t Descaling is on Pressure tank furred up Descale the pressure tank Press the reset key until the indicator lamp Descaling goes off Failure Cause Remedy Measured values 010 Safety information Plug Function 1 X1 Indicator lamp water shortage red Mass 2 X2 Indicator lamp heating yellow 3 X3 Solenoid valve Steam 4 X4 Probe steam valve filling level monitor ing 5 X5 Mass 6 X6 Connectiing piece Pump Ma...

Page 25: ... Earth on the PCB 1 VAC X11 X12 Reset key Descaling 0 VDC 5 VDC 20 Switch 3 operated Switch 3 not operated X2 X1 Indicator lamp heating yellow 0 VAC Mains voltage Switch 2 not operated Switch 2 operated X8 X6 Supply of the pump 0 VAC 194 VAC 20 Pump off Pump on X13 X1 Indicator lamp Descaling white 0 VAC 50 VAC Mains voltage Indicator light off Indicator light on X14 X1 Indicator lamp water shorta...

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Kärcher SG 4/4, Service Manual

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