Kärcher BR 30/4 C Service Manual
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Kärcher BR 30/4 C Service Manual

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BR 30/4 C
BR 30/4 C Adv
BR 30/4 C Bp Pack
BR 4.300
Service Manual
1
English 5.906-434.0 Rev. 00 (12/10)

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Summary of Contents for Kärcher BR 30/4 C

  • Page 1 BR 30/4 C BR 30/4 C Adv BR 30/4 C Bp Pack BR 4.300 Service Manual English 5.906-434.0 Rev. 00 (12/10)
  • Page 2 English 5.906-434.0 Rev. 00 (12/10)

  • Page 3: Table Of Contents

    Setup and function ..........7 4.1 Front view (BR 30/4 C Adv and BR 30/4 C) ......7 4.2 Front view (BR 30/4 C Bp Pack) .
  • Page 4 8.1 BR 30/4 C - power models ........

  • Page 5: Preface

    (M1) will shut off. Alfred Kärcher GmbH & Co. KG P O Box 160 For the appliances BR 30/4 C and BR 30/4 C Bp D -71349 Winnenden Pack, it is possible to lift the suction bar and perform www.kaercher.com a wet cleaning only.

  • Page 6: Cleaning Operations

    The brush roller has a diameter of 60 mm. It rotates at 1,450 rpm for the mains model and at 1,270 for the battery model. BR 30/4 C Adv To vacuum in corners, a vacuuming nozzle can be at- tached to the vacuum pipe of this model.

  • Page 7: Setup And Function

    Setup and function 4.1 Front view (BR 30/4 C Adv and BR 30/4 C) 1 Handle 14 Water pump switch 2 Cable hook 3 Main switch for brushing/vacuuming operations 4 Fresh water tank lock 5 Release, park position 6 Vacuum bar lift pedal...

  • Page 8: Front View (Br 30/4 C Bp Pack)

    4.2 Front view (BR 30/4 C Bp Pack) 1 Handle 14 Water pump switch 2 Main switch for brushing/vacuuming operations 15 Charging station 1 3 Fresh water tank lock 16 Charging station 3 4 Release, park position 17 Charger 5 Vacuum bar lift pedal...

  • Page 9: Rear View (Br 30/4 C Adv And Br 30/4 C / Br 30/4 C Bp Pack)

    4.3 Rear view (BR 30/4 C Adv and BR 30/4 C / BR 30/4 C Bp Pack) 1 Handle 2 Cable hook 3 Cable hook, rotating 4 Vacuum nozzle intake 5 Exhaust air cover 6 Suction hose 7 Release, park position...

  • Page 10: View From Below

    4.4 View from below 1 Park roller 2 Space roller 3 Rear vacuum bar 4 Brush roller 5 Front vacuum bar 6 Space roller The spacer rollers prevent the cleaning head from scraping on the floor when the brush is worn. English 5.906-434.0 Rev.

  • Page 11: Function

    4.5 Function Note 4.5.1 Parking/operating position Turn the appliance off before you activate the suction bar lift. Otherwise, the brush drive can be triggered. The BR 4.300 does not have a suction bar lift. 4.5.3 Removing the tanks To operate, the release of the parking position must be pressed (small arrow) and the appliance has to be swivelled back simultaneously.
  • Page 12 1 Fresh water tank 2 Fresh water tank lock 3 Release of fresh water reservoir 1 Valve pin 2 Sieve Pull on the release and remove the fresh water reservoir from the appliance toward the front. When inserting it into the appliance, the valve pin To fill the fresh water tank, open the latch and fill pushes the tappet into the water outlet valve and the fresh water tank with water and detergent.

  • Page 13: Insert Suction Nozzle (Br 30/4 C Adv Only)

    The wastewater reservoir needs to be emptied. 4.5.4 Insert suction nozzle (BR 30/4 C Adv only) With model BR 30/4 C Adv, a suction nozzle can be attached to vacuum in corners. 1 Dirt water reservoir 2 Cover dirt water reservoir...

  • Page 14: Water Flow Schematic

    4.5.5 Water flow schematic 1 Suction nozzle 2 Suction tube connection 3 Suction pipe Pull the suction pipe out of the suction pipe con- nection toward the top. 1 Suction pipe 1 Dirt water reservoir 2 Suction nozzle 2 Fresh water tank 3 Rear vacuum bar Attach the suction nozzle to the suction pipe.

  • Page 15: Remove The Cover From The Cleaning Head

    4.5.6 Remove the cover from the cleaning head 4.5.7 Replace the batteries (BR 30/4 C Bp Pack only) 1 Cover of cleaning head 2 Vacuum bar lift pedal Remove the cover from the cleaning head toward the top. The cover has several hooks that lock into the Press the release and pull the depleted battery out cleaning head.

  • Page 16: Led Display On The Brush Head (Br 30/4 C Bp Pack Only)

    4.5.8 LED display on the brush head (BR 30/4 C 4.5.9 Displays on the charger (BR 30/4 C Bp Pack Bp Pack only) only) 1 LED operating status display, left battery 2 Battery storage 3 Battery compartment 4 Battery 1 Red LED charge status display...

  • Page 17: Control Board (Br 30/4 C Bp Pack Only)

    Exception: 4.5.10Control board (BR 30/4 C Bp Pack only) A sticky relay during switch on. Here, the display will only show up while the ON switch is pressed. By checking the relays, the switch must be pressed for 300 ms when turning the appliance on in order to be able to start operating it.

  • Page 18: Basic Settings And Service Procedures

    Basic settings and service procedures 5.1 Removing the appliance components 5.1.1 Replacing the main switch 1 Main switch for brushing/vacuuming operations 1 Main switch for brushing/vacuuming operations 2 De-interference capacitor Remove the cable plug connections from the main switch. Push the main switch out of the top of the housing. Install the new main switch in reverse order.

  • Page 19: Replacing The Water Pump Switch

    BR 30/4 C Bp Pack 5.1.2 Replacing the water pump switch 1 Fastening screws (3x), housing cover 2 Covering lid 3 Water pump switch Unscrew locking screws. 1 Connector, pump 1 Covering lid 2 Water pump switch Remove the housing cover.

  • Page 20: Replacing The Brush Roller Intake

    5.1.3 Replacing the brush roller intake 1 Fastening screws (3x), cover 2 Cover 1 Towing, brush roller Unscrew locking screws. 2 Inner ball bearing Remove cover. 3 Toothed belt disc 4 Outer ball bearing Install the new drive unit in reverse order. 1 Toothed belt disc 2 Outer ball bearing 3 Gear belt...

  • Page 21: Replacing The Brush Roller

    When inserting the brush roller, make sure that the 5.1.4 Replacing the brush roller towing is properly placed in the brush roller. 5.1.5 Replacing the water distribution bar 1 Water distribution bar 1 Brush roller Remove the brush roller (see chapter "Removing 2 Unlocking button for the changeable brush the brush roller").

  • Page 22: Replace The Vacuum Bar

    5.1.6 Replace the vacuum bar. 5.1.7 Removing the cleaning head housing Remove the front vacuum bar (see chapter "Re- placing the vacuum bar"). 1 Vacuum bar The vacuum bars can be replaced without the use of tools. Move the pedal for the vacuum bar lift to the pedal 1 Fastening screws (8x), cleaning head housing position "vacuum bar lowered"...

  • Page 23: Removing The Cleaning Head Housing

    The supply voltage can be read at the Molex plug. Target value: Water pump switch turned off = 0 V AC Water pump switch turned on = current voltage BR 30/4 C Bp Pack English 5.906-434.0 Rev. 00 (12/10)

  • Page 24: Voltage Measurement On The Water Pump

    Install the new water pump in reverse order. 5.1.9 Voltage measurement on the water pump Note BR 30/4 C onlyBp Pack: The connection voltage of 24 Volts is pulsed; there- fore, only about 12 Volts can be measured on the wa- ter pump.
  • Page 25 1 Toothed belt to the brush roller drive 2 Drive unit, brush roller Remove the drive unit from the cleaning head. 1 Rubber ring (2x) 2 Bearing (2x) 3 Cap Remove the cap. 1 Toothed belt, from suction turbine 2 coupling 3 Toothed belt to the brush roller drive 1 Toothed belt, from suction turbine 2 coupling...

  • Page 26: Replacing The Toothed Belt

    5.1.11Replace the coupling 5.1.12Replacing the suction turbine Remove the cleaning head casing (see chapter "Removing the cleaning head casing"). Remove the cover, as described in the chapter "Replacing the toothed belt". Unscrew the fastening screws of the bearing halves, as described in the chapter "Replacing the toothed belt".
  • Page 27 1 Bottom half bearing, suction turbine housing 2 Suction turbine (M1) Remove the suction turbine from the bottom half 1 Bearing ring (2x), axle bowl. Remove the bearing ring from both sides. 1 Suction turbine (M1) 2 Lock (2x), housing cover 3 Covering lid 1 Metal clamp ring (2x) 4 Bottom housing part...

  • Page 28: Remove The Parking Position Release

    5.1.13Remove the parking position release 1 Connection cable suction turbine 2 Connector, connecting cable, suction turbine Unplug the connector of connecting cable to the suction turbine. Install the new suction turbine in reverse order. 1 Release, park position 2 Locking tabs 3 Pliers 4 Pressure spring Remove the wheel (see chapter "Removing the...

  • Page 29: Cleaning The Suction Channel, The Suction Pipe And The Suction Hose

    5.1.14Cleaning the suction channel, the suction pipe and the suction hose 1 Vacuum bar (2x) 2 Suction channel Remove both vacuum bars from the vacuum bar support (see chapter "Replacing the vacuum bar"). The suction channel is accessible for cleaning. Flush the suction hose and the suction channel 1 Suction pipe with water or pull or push the obstruction out with...

  • Page 30: Replace The Control Board (Br 30/4 C Bp Pack Only)

    5.1.15Replace the control board (BR 30/4 C Bp Pack only) Remove all cable connections from the control board. Press the park position release and tilt the appli- ance backwards. Loosen the fastening screws (arrows). 1 Circuit board cover X2/2 Terminal strip batteries 1 Remove the board cover.

  • Page 31: Remove The Balance Weight (Br 30/4 C Bp Pack Only)

    5.1.16Remove the balance weight (BR 30/4 C Bp 5.2 Check the batteries Pack only) 5.2.1 Voltage measurement To measure the voltage, the gauge must be connect- ed to the positive and negative plug contacts (see ar- rows). 1 Balance weight, brass disc 2 Wheel Remove the wheel (see chapter "Removing the...

  • Page 32: Resistance Measurement

    5.2.2 Resistance measurement During resistance measurement, 2 values can be de- termined. Measurement value 1 To measure the resistance, the gauge must be con- nected to plug contacts (as shown in the illustration). Target value: 11 kOhm If the resistance is significantly higher or lower, the batteries are defective.

  • Page 33: Troubleshooting

    Appliance cannot be started Check power connection/conduit. Check/replace the main switch Check/insert the batteries,charge them as necessary (BR 30/4 C Bp Pack only) No or insufficient water supply Fill up fresh water reservoir. Check/clean the water outlet valves on the fresh water reservoir.

  • Page 34: Circuit Diagram

    Circuit diagram 7.1 Circuit diagram 0.089-099.0 - BR 30/4 C (230V/50-60 Hz), BR 4.300 g n / g e 3 X 1 q m m 2 3 0 V / 5 0 / 6 0 H z 1 6 A...

  • Page 35: Circuit Diagram 0.089-149.0 - Br 30/4 C (120 V/60 Hz)

    7.2 Circuit diagram 0.089-149.0 - BR 30/4 C (120 V/60 Hz) g n / g e 3 X 1 8 A W G 1 2 0 V / 6 0 H z 1 5 A - S 1 - S 2...

  • Page 36: Circuit Diagram 0.089-150.0 - Br 30/4 C (100V/50-60 Hz)

    7.3 Circuit diagram 0.089-150.0 - BR 30/4 C (100V/50-60 Hz) g n / g e 3 X 0 , 7 5 m m ² 1 0 0 V / 5 0 / 6 0 H z - S 1 - S 2 0 , 7 5 m m ²...

  • Page 37: Circuit Diagram 0.089-305.0 - Br 30/4 C Bp Pack

    7.4 Circuit diagram 0.089-305.0 - BR 30/4 C Bp Pack 0 , 5 ² 0 , 7 5 ² - S 1 - S 2 0 , 5 ² 0 , 7 5 ² 0 , 7 5 ² 0 , 5 ²...

  • Page 38: Technical Specifications

    Technical specifications 8.1 BR 30/4 C - power models 8.2 BR 30/4 C Bp Pack Power Power Nominal voltage 220...240 Nominal voltage 25,2 Frequency 1~ 50/60 Nominal capacity Average power consumption Average power consumption Protective class Protective class Type of protection...

  • Page 39: Exchange Times

    8.3 Exchange times 8.4 Tightening torques Wear parts Exchange All screws Nm 1,8 - 2 time in min- utes 8.5 Special tools Brush roller There are no special tools necessary. Toothed belt from the turbine to the coupling and from the coupling to the brush roller coupling Pump...

  • Page 40: Documents

    BR 30/4 Adv *EU 1.783-205.0 0.089-099.0 5.962-364.0 5.970-925.0 BR 30/4 C *GB 1.783-207.0 0.089-099.0 5.962-364.0 5.970-925.0 BR 30/4 C Bp Pack *EU 1.783-208.0 0.089-305.0 5.963-616.0 5.971-230.0 BR 30/4 C Bp Pack 1.783-209.0 0.089-305.0 5.963-616.0 5.971-230.0 BR 30/4 C Bp Pack *JP 1.783-210.0...

This manual is also suitable for:

Br 30/4 c advBr 30/4 c bp packBr 4.300

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