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English 

5.906-591.0 Rev. 00 (01/14)

 1

K 6.200
K 7.200
K 7 Compact
Service Manual

Summary of Contents for K 6.200

Page 1: ...English 5 906 591 0 Rev 00 01 14 1 K 6 200 K 7 200 K 7 Compact Service Manual ...

Page 2: ...vities 11 ABGH Uninstall install appliance hood 11 ABRD Uninstall install wheels 12 ABSB Uninstall install push handle 12 050 Maintenance and inspection 12 060 Error diagnosis 12 070 Peculiarities others 12 110 Replacement times 12 AD Service group water system 13 010 Safety information 13 020 Overview 13 030 Function 14 040 Service activities 14 ADAW Uninstall install outer jacket of water channe...

Page 3: ... 060 Error diagnosis 24 070 Peculiarities others 24 110 Replacement times 24 AH Service group electrics 25 010 Safety information 25 020 Overview 25 Circuit diagram 25 030 Function 25 Power switch 25 040 Service activities 26 AHNK Uninstalling installing mains cable 26 AHKS Uninstalling installing capacitor 26 AHSE Uninstall install appliance switch 27 050 Maintenance and inspection 27 060 Error d...

Page 4: ...d 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 pl...

Page 5: ...numerical Enumeration General list Safety note Pointer to hazards sources of errors Description in this service manual Service groups A B G H Uninstalling installing casing Product group Service group Functional group component activity Plain text description Functional group structure 010 Safety instructions 020 Overview 030 Function 040 Service activities 050 Maintenance and inspection 060 Error...

Page 6: ...sure water jet if necessary with additional cleaning agents with accessories replacement parts and cleaning agents approved by KÄRCHER Please observe the in formation accompanying the cleaning agents This service manual describes the appliance family K 6 200 K 7 200 K 7 Compact The appliances only differ in the pump capacity Safety devices serve to protect the user and must not be rendered in oper...

Page 7: ... number 3 Specifications 4 Part number 5 Sound pressure level LWA 6 Address of manufacturer 7 Bar code Contains part and serial number 8 IP rating protection class 9 Max flow rate Type plate Overview of the appliance Overview appliance components Casing 1 Wheel cap 2 Wheel 3 Cover 4 Pump motor 5 Chassis 6 Axle 7 Push handle ...

Page 8: ... Holder pump motor 2 Water channel 3 Pump motor M1 4 Casing bottom 5 Covering lid 6 Power switch S1 7 Swash plate 8 Piston guide 9 Cylinder head 10 Valve gear casing 11 Quick coupling 12 Valve detergent 13 Water pipes 14 Fine filter 15 Capacitor C1 ...

Page 9: ...English 5 906 591 0 Rev 00 01 14 9 Overview over the service and functional groups ...

Page 10: ... to all work on the appliance switch off the appliance and pull the power plug 몇 Caution Risk of damage by electrostatic discharge ESD Take suitable measures for discharging electrostatic charge pri or to performing work on the appliance electronics 1 Push handle 2 Chassis 3 Axle 4 Wheel 5 Wheel cap 6 Cover AB Service group casing 010 Safety information General 020 Overview Casing ...

Page 11: ...hassis Remove the appliance cover Unhook the rubber guiding device of the mains cable Installation information Pay attention to the correct fitting position during reinstal lation 1 Engine mount 2 Lever appliance switch 3 Rubber guiding device mains cable 4 Retainer lever appliance switch 5 Retainer engine mount 040 Service activities ABGH Uninstall install appliance hood Torques Nm Screws 1 2 1 9...

Page 12: ...ance and in spection points The service group does not contain any peculiarities ABRD Uninstall install wheels ABSB Uninstall install push handle 050 Maintenance and inspection 060 Error diagnosis Findings Possible cause Correction Damage cracks External mechanical impact Replace casing Cracked screw bosses Incorrect lifting Replace casing Casing distorted Thermal impact Replace casing Push handle...

Page 13: ...vice group there is no special safety informa tion Observe general safety information 1 Suctioning of detergent 2 Water inlet 3 Water return flow 4 Control valve 5 High pressure outlet AD Service group water system 010 Safety information 020 Overview ...

Page 14: ...s is achieved and the service life is in creased ABGH Uninstall install appliance hood 1 Outer jacket water channel 2 Screws Unscrew the screws 1 Outer jacket water channel 2 O rings 3 Pump motor Remove the outer jacket of the water channel Note Pay attention to the correct fitting position during reinstal lation Clean the intake and sealing areas Check O rings for damage 030 Function 040 Service ...

Page 15: ...einstal lation ABGH Uninstall install appliance hood 1 Pins 2 Quick coupling high pressure hose 3 Valve detergent Remove quick coupling of the high pressure hose Remove the pump motor from the chassis Drive out pins Pull out the detergent valve Note Pay attention to the correct fitting position during reinstal lation Check O ring for damage ADID Uninstall install injector nozzle Torques Nm Injecto...

Page 16: ...e system Vent appliance Switch on the appliance without con nection the HP hose max 2 minutes and run it until the water discharging from the HP outlet is free of bubbles Switch off appliance and reconnect HP hose Suction area blocked Pull out the mains plug and clean the suction area Suction hose or connection adapter not screwed in correctly or completely Manually tighten the suction hose and th...

Page 17: ...hat are equipped with this control valve the pressure cannot be regulated on the hand spray gun Servopress AE Service group pump 010 Safety information 020 Overview 1 Valve detergent 2 Suctioning of detergent 3 Control valve complete 4 Control boring 5 O ring low pressure range high pressure range 6 Seals control piston 7 O ring oil 8 Piston spring 9 Spring plate 10 Piston with drip edge 11 Oil se...

Page 18: ...eck piston for wear 1 Oil seal piston guide Carefully push out the oil seals using a screwdriver Clean drilled holes from oil and grease Insert new oils seals using the installation mandrel Installation information 1 Pin Pay attention to the correct fitting position during reinstal lation 040 Service activities AEOK Uninstall install oil seal piston guide ...

Page 19: ...he rubber seal of the casing dur ing installation Pay attention to the correct fitting position during reinstal lation 1 Outer jacket water channel 2 Screws 3 O rings 4 Pump motor Unscrew the screws Remove the outer jacket of the water channel Replace pump motor Note Clean the intake and sealing areas Check O rings for damage AEPM Uninstall install pump motor 1 Casing bottom 2 Covering lid 3 Lever...

Page 20: ...ozzle Remove the check valve Note Check O rings for damage Check control valve and injector nozzle for ease of move ment clean if necessary Clean the intake and sealing areas Check components for wear damage Pay attention to the correct fitting position during reinstal lation 1 Quick coupling high pressure hose 2 O ring Unscrew the hose coupling of the high pressure hose Note Check O ring for dama...

Page 21: ...Note Check O rings for damage Check and ensure that it moves freely Check components for wear damage AEZK Uninstall install cylinder head 1 Pressure disc 2 Ball bearing 3 Screw 4 Swash plate Drain and collect the oil Remove pressure disc Remove ball bearing Loosen the screw Remove swash plate Note Check components for wear damage Pay attention to the correct fitting position during reinstal lation...

Page 22: ...s Remove valve gear casing with cylinder head Remove the piston guide and the piston Note Check O rings for damage Clean the intake and sealing areas Pay attention to the correct fitting position during reinstal lation 1 Cylinder head 2 O rings 3 Control valve 4 Injector nozzle Disconnect the cylinder head from the valve gear cas ing Note Check O rings for damage Clean the intake and sealing areas...

Page 23: ... g in the winter Remove filter from suction hose for detergent and clean under running water Pull out the fine filter in water connection using flat nose pliers and clean with running water Notice Appliances and accessories that are not completely drained can be destroyed by frost Completely drain appliance and accessories and pro tect them against frost To avoid damage Completely drain all water ...

Page 24: ...the hand spray gun the appliance will switch on Pump does not run or suddenly comes to a standstill during operations Power supply interrupted Check fuses and electrical connections 070 Peculiarities others 110 Replacement times Basic work Description Work value AEOK Uninstall install oil seal piston guide AEPM Uninstalling installing pump motor AESG Uninstall install valve gear casing AESH Uninst...

Page 25: ...evices serve to protect the user and must not be rendered in operational or their functions bypassed The appliance switch prevents unintentional operation of the appliance AH Service group electrics 010 Safety information 020 Overview Circuit diagram M1 Pump motor C1 Capacitor S1 Power switch F1 Thermal switch 030 Function Power switch ...

Page 26: ...attention to the correct fitting position during reinstal lation ABGH Uninstall install appliance hood Unclip casing cover Disconnect the connectors Pull the line out of the seal Remove capacitor Note Pay attention to the correct fitting position during reinstal lation 040 Service activities AHNK Uninstalling installing mains cable Torques Nm Screw 3 5 4 5 AHKS Uninstalling installing capacitor 1 ...

Page 27: ...E Uninstall install appliance switch 1 Guidance 2 Lever appliance switch 3 Plug connections 4 Power switch S1 5 Covering lid 050 Maintenance and inspection 060 Error diagnosis Findings Possible cause Correction Pump does not run or suddenly comes to a standstill during operations Power supply interrupted Check fuses and electrical connections Power switch Check appliance switch Power switch Check ...

Page 28: ...K 6 200 K 7 200 K 7 Compact Electrical connection Voltage 230 1 50 V Hz Connected load 2 5 3 0 3 0 kW Protection class IP X5 Protective class I Mains fuse slow blow 16 A Water connection Max feed pressure 0 6 MPa Max feed temperature 60 C Min feed volume 12 I min Max Suction height 1 0 m Performance data Working pressure 13 15 15 MPa Max permissible pressure 15 16 16 MPa Water flow rate 8 8 9 2 9 ...

Page 29: ...with ex tended union nut 4 401 072 0 Screwdriver bit T15 6 815 150 0 Removal pliers pressure suction valves and water sieves 4 901 062 0 Installation mandrel oil seal high pres sure seal 5 901 224 0 Installation sleeve high pressure seal 5 901 223 0 Test manometer for working pressure 4 401 072 0 Valve retainer and drive in mandrel for suction valves 2 901 049 0 ...

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