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NT 50/70/90 Classic
Service Manual
1
English 5.906-709.0 Rev. 00 (11/14)

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Table of Contents

   Also See for Kärcher NT 50/1 Me Classic

   Summary of Contents for Kärcher NT 50/1 Me Classic

  • Page 1 NT 50/70/90 Classic Service Manual English 5.906-709.0 Rev. 00 (11/14)
  • Page 2: Table Of Contents

    Contents Preface Safety instructions Hazard levels Description in this service manual Service groups Functional group structure Textual description Technical Features Intended use Field of application Safety installations Type plate Overview of the appliance Front view View from behind AB Service group setup 010 Safety information 020 Overview 030 Function...
  • Page 3 AHEK Uninstall / install anti-interference capacitor AHNK Uninstall / install power cable 050 Maintenance and inspection 060 Error diagnosis 070 Peculiarities/ others Technical Documentation Technical specifications Special tools Circuit diagram English 5.906-709.0 Rev. 00 (11/14)
  • Page 4: Preface

    Preface Good service work requires extensive and practice-orient- ed training as well as well-structured training materials. Hence we offer regular basic and advanced training pro- grammes covering the entire product range for all service engineers. In addition to this, we also prepare service manuals for im- portant appliances - these can be initially used as instruc- tion guides and later on as reference guides.
  • Page 5: Description In This Service Manual

    Description in this service manual Service groups Example: Install/uninstall ANRA wheel axle Install/uninstall wheel axle Service group Component Activity Observe the allocation of service groups to the appliance components in the overview diagram in Chapter "Overview over the service and functional groups". Functional group structure Safety instructions Overview...
  • Page 6: Technical Features

    This appliance is suited for the commercial use, e.g. at – construction sites, in industrial systems, in workshops and rental companies. Field of application This service manual describes the appliance family: NT 50/1 Me Classic – NT 50/2 Me Classic – NT 70/2 Me Classic –...
  • Page 7: Overview Of The Appliance

    Overview of the appliance Front view 1 Storage area 2 Suction head 3 Suction head lock 4 Dirt receptacle 5 Impeller 6 Steering roller 7 Bumper 8 Suction support 9 Air outlet opening 10 Appliance switch suction turbine 2 (NT 50/2, NT 70/2, NT 90/2 only) 11 Appliance switch suction turbine 1 12 Carrying handle English 5.906-709.0 Rev.
  • Page 8: View From Behind

    View from behind 1 Push handle 2 Suction tube 3 Air outlet opening 4 Holder accessories 5 Floor nozzle 6 Suction tube 7 Power cord 8 Air outlet opening 9 Crevice nozzle 10 Hose/cable holder English 5.906-709.0 Rev. 00 (11/14)
  • Page 9: Ab Service Group Setup

    AB Service group setup 010 Safety information General Service and maintenance tasks may only be performed by qualified and specially trained specialists. DANGER First pull out the plug from the mains before carrying out any tasks on the machine. Observe general safety information! 020 Overview ABAS Uninstall/ install suction turbine cover ABBU Uninstall / install bumper...
  • Page 10: 040 Service Activities

    040 Service activities ABTG Uninstall / install carrying handle 1 Carrying handle 2 Screws  Unscrew the screws.  Remove the carrying handle. ABGH Uninstall / install appliance hood  ABTG Uninstall / install carrying handle 1 Cover 2 Screw, medium length 3 Carrying handle 4 Screws, long length 5 Screws, short length...
  • Page 11: Abas Uninstall/ Install Suction Turbine Cover

    ABAS Uninstall/ install suction turbine cover  Remove the suction head. 1 Inside cover 2 Screws  Unscrew the screws.  Remove inside cover. 1 Sound insulation mat  Remove sound insulation mat. 1 Screws 2 Cover of the suction turbine ...
  • Page 12: Abfk Uninstall / Install Filter Basket

    ABFK Uninstall / install filter basket  Remove suction head from the dirt receptacle.  ACPF Uninstall / install cartridge filter 1 Filter basket 2 Screws  Unscrew the screws.  Remove the filter basket. ABSC Uninstall / install float ...
  • Page 13: Abvs Uninstall / Install Locking Mechanism Suction Head

    ABVS Uninstall / install locking mechanism suction head  Remove suction head from the dirt receptacle. 1 Suction head lock 2 Rivets  Drill out rivets.  Remove locking mechanism.  Fasten the locking mechanism by means of new rivets. ABBU Uninstall / install bumper ...
  • Page 14: Absb Uninstall / Install Push Handle

    ABSB Uninstall / install push handle  ABHZ Uninstall / install holder accessories 1 Holder accessories 2 Screws 3 Push handle  Sequence as described in Chapter "ABHZ Uninstall / install holder accessories". ABLR Uninstall / install steering rollers  Remove the suction hand. ...
  • Page 15: Abrh Uninstall / Install Wheels In The Back

    ABRH Uninstall / install wheels in the back 1 Wheel rear 2 Cover  Remove the cover. 1 Clamping washer 2 Axle  Lever the clamping washer off the axle.  Use a new clamping washer upon installation. 050 Maintenance and inspection ...
  • Page 16: Ac Service Group Suction System

    AC Service group suction system 010 Safety information For this service group there is no special safety informa- tion. Observe general safety information! 020 Overview ACAS Uninstall / install connection nozzle ACGT Uninstall / install sliding contacts suction turbines (2) ACPF Uninstall / install cartridge filter ACSU Uninstall / install suction turbines (2) 030 Function...
  • Page 17: Acpf Uninstall / Install Cartridge Filter

    040 Service activities ACPF Uninstall / install cartridge filter  Remove the suction hand. 1 Cartridge filter 2 Star handle screw  Screw out the star handle screws.  Remove the cartridge filter. ACSU Uninstall / install suction turbines (2) ...
  • Page 18 ACGT Uninstall / install sliding contacts suction turbines (2)  ACSU Uninstall / install suction turbines (2) 1 Sliding contacts 1 Glide contact 2 Screw  Loosen screws.  Pull the sliding contact out of the duct. Sliding contact uninstalled. English 5.906-709.0 Rev.
  • Page 19: Acas Uninstall / Install Connection Nozzle

    ACAS Uninstall / install connection nozzle  Remove the suction hand.  Empty the dirt receptacle. 1 Connection nozzle 2 Clips 3 Counter support  Bent up all three clips on the counter support.  Push the connection nozzle outwards through the counter support.
  • Page 20: Ah Service Group Electrics

    AH Service group electrics 010 Safety information DANGER First pull out the plug from the mains before carrying out any tasks on the machine. 020 Overview AHEK Uninstall / install anti-interference capacitor AHGB Uninstall / install power switches (2) AHNK Uninstall / install power cable 030 Function The suction turbines are switch on and off via the power switches.
  • Page 21: Ahek Uninstall / Install Anti-interference Capacitor

    040 Service activities AHGB Uninstall / install power switches (2) 1 Power switch 2 Tools for levering out  Lever out the power switch. 1 Power switch 2 Cable plug  Remove the cable plug. AHEK Uninstall / install anti-interference capacitor ...
  • Page 22: Ahnk Uninstall / Install Power Cable

    AHNK Uninstall / install power cable  ABAS Uninstall/ install suction turbine cover 1 Cable mount 2 Screws  Remove inside cover.  Unscrew the screws.  Remove cable mount. 1 Cable mount 2 Power cord 3 Cable inlet 4 Ferrit ring (anti-interference ring) 5 Cable inlet 6 Connector ...
  • Page 23: Technical Documentation

    Technical Documentation Appliance type Appliance no.: Circuit diagram Operating in- Spare parts list structions NT 50/1 Me Classic 0.089-578.0 *SEA NT 50/1 Me Classic 0.089-578.0 NT 50/2 Me Classic 1.667-022.0 0.089-578.0 5.396-045.0 5.973-448.0 *SEA NT 50/2 Me Classic 1.667-023.0 0.089-578.0 5.396-045.0...
  • Page 24: Special Tools

    NT 70/2 Me NT 70/2 Me NT 90/2 Me NT 90/2 Me Classic Classic Classic Classic *SEA *SEA Mains voltage 220-240 220-240 Frequency 1~ 50/60 1~ 50/60 1~ 50/60 1~ 50/60 Max. performance 2300 2200 2300 2200 Rated power 2100 1950 2100 1950...

This manual is also suitable for:

Nt 90/2 me classicNt 50/2 me classicNt 70/2 me classic

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