Manual Karcher B50 W (page 17 of 296) (All languages)

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English 17

Low-maintenance batteries (wet batteries)

DANGER

Danger of burns due to acid leakage!

Only fill the battery with water when it is discharged.

When handling battery acid, use safety goggles and im-

mediately rinse out any acid splashes on the skin or

clothing with water.

ATTENTION

Risk of damage to the batteries!

Using water with additives will void the battery’s warranty.

Top up the batteries using only distilled or desalinated

water (EN 50272-T3).

Do not use any foreign additives or touch-up agents.

1. Add distilled water one hour before the charging

process comes to an end. Observe the correct acid

level according to the battery label.

All cells must produce gas at the end of the charging

process.

Switching on the device

1. Insert the Intelligent Key into the control panel.

2. Set the program switch to a cleaning program.

The display shows the following, one after the other:

●Kärcher Logo

●Time until next service in hours

●Battery status and operating hours

●Software version

●Operating display

Illustration I

1Battery charge state

2Set water dosage (only for devices with an electric

water valve)

3Set speed

4Set detergent dosage (only for DOSE device vari-

ant)

The device is ready for operation.

Pairing with a smartphone

The "Machine Connect" smartphone app connected to

the device can be used to perform advanced device

functions:

●Set the type of cleaning head

●Set the maximum transport speed

●Switch the USB port off/on

●Set the after-running time of the brush(es)

●Set the after-running time of the suction

●Switch the speed-dependent water dosing on/off

●Manage the permissions of the yellow Intelligent

Key

●Restore the factory settings

Note

The possible functions depend on the device version.

1. Scan the QR code on the device with your smart-

phone.

Illustration J

1QR code

2Bluetooth® symbol

2. Install the "Machine Connect" app on the smart-

phone and start it.

3. Insert the Intelligent Key into the control panel.

4. Press the "+" and "-" keys on the control panel of the

device simultaneously for 3 seconds.

Note

The Bluetooth® symbol on the control panel flashes

during the pairing process.

5. Follow the pairing instructions of the app on the

smartphone.

6. The functions of the app are explained on the smart-

phone.

Note

The Bluetooth symbol lights up continuously when the

smartphone is paired with the device.

Note

The mobile phone can be connected to the USB port of

the device to charge the battery.

Maintenance requests

After a certain operating time has elapsed, the display

prompts to perform various maintenance activities:

1. Carry out the indicated maintenance activity.

2. Press any button on the control panel to confirm.

The prompt is reset and displayed again after the in-

terval has elapsed.

Operation

DANGER

Risks during operation

Risk of injury

Release the driving lever in the case of danger.

Loss of stability

Risk of injury

Operate the pedal to raise/lower the cleaning head with

one foot only. Keep the other foot firmly and securely on

the floor.

Filling with operating materials

Filling with fresh water

1. Open the fresh water tank cap.

2. Fill fresh water (max. 50 °C) to the lower edge of the

filling nozzle.

Note: The fresh water hose can be clamped with the

hose holder during filling.

3. Close the fresh water tank lock.

Filling with fresh water via the filling hose

1. Pull the filling hose out of the device.

2. Connect the end of the filling hose to a water tap.

3. Remove the fresh water tank cap.

4. Open the water supply (water temperature maxi-

mum 50 °C).

5. Observe the filling level of the fresh water tank

through the filling hole.

6. Close the water inlet when the filling level reaches

the lower edge of the filling nozzle.

7. Fit the fresh water tank lock.

8. Disconnect the filling hose from the water tap.

9. Push the filling hose into the device.

Filling with fresh water via the filling system

1. Connect the water hose to the connection nozzle of

the filling system (maximum water temperature 50 °C).

2. Open the water inlet.

3. Monitor the device, the automatic filling system in-

terrupts the water supply when the fresh water tank

is full.

4. Close the water inlet.

5. Remove the water hose.

Notes on detergents

몇WARNING

Unsuitable detergents

Health risk, damage to the device

Use only recommended detergents. The operator car-

ries all increased risks relating to operational safety and

increased risk of accidents if using other detergents.

Use only detergents free of solvents, salt and hydrofluo-

ric acid.

Adhere to the safety instructions stated on the detergent

packaging.

Note

Do not use heavily foaming detergent.

Recommended detergents

Addition of detergent with a dosing device

Only with DOSE variant:

Detergent is added to the fresh water on the way to the

cleaning head by a dosing device.

1. Fill the detergent into the detergent canister.

Note

A maximum of 3% detergent can be added with the dos-

ing device. If the dosage is higher, the detergent must

be added to the fresh water tank.

ATTENTION

Danger of clogging

When adding detergent to the fresh water tank, the de-

tergent can dry out and disrupt the function of the dosing

device.

Rinse the device with clear water after adding the deter-

gent to the fresh water tank: Select a cleaning program

with water application, set the water quantity to the high-

est value, set the detergent dosage to 0.

Adding detergent without a dosing device

1. Fill the detergent into the fresh water tank.

Note

The cap of the filling hole has a scale inside and can be

used to measure the detergent volume.

Setting the detergent dosage

With the DOSE device variant, the detergent is added to

the fresh water on its way to the cleaning head.

The detergent dosage can be set separately for each

cleaning programme.

1. Insert the Intelligent Key into the control panel.

2. Select the cleaning programme to be set with the

programme switch.

3. Press the Detergent dosing button.

4. Set the desired detergent dosage with the "+" and "-

" buttons.

5. To accept the setting, either wait 3 seconds or press

one of the other buttons.

Adjusting the water quantity

1. Adjust the water quantity according to the degree of

soiling of the floor covering.

Note

Perform initial cleaning tests with a low water volume.

Increase the water volume step by step until achieving

the desired cleaning result.

Note

The cleaning head continues operating without a liquid

supply if the fresh water tank is empty.

Manual water valve

A device with a manual water valve is equipped with a

regulating knob for water dosage to the right of the con-

trol panel.

1. Turn the water dosage regulating knob to the de-

sired value.

Note

The brush irrigation is only active when the cleaning

head is lowered and the driving lever is actuated.

Electric water valve

A device with an electric water valve is equipped with a

water dosage button on the control panel.

The water dosage can be set separately for each clean-

ing programme.

1. Insert the Intelligent Key into the control panel.

2. Select the cleaning programme to be set with the

programme switch.

3. Press the water dosage button.

4. Set the desired water dosage with the "+" and "-"

buttons.

5. To accept the setting, either wait 3 seconds or press

one of the other buttons.

Note

The brush irrigation is only active when the cleaning

head is lowered and the driving lever is actuated.

Adjusting the inclination of the suction bar

The inclination must be adjusted so that the suction lips

of the suction bar make even contact with the floor over

the entire length of the suction bar.

1. Park the device on a surface without a slope.

2. Select the "Suction" program.

3. Drive the device a small distance forwards.

The suction bar is lowered.

4. Read the spirit level.

Illustration K

1Screw

2Nut

3Spirit level

5. Release the M 12 nut while holding the

M 10 hexagon head screw with an open-end

wrench.

Call Interval (hours)

CLEANING VACUUM FILTER 10

CLEANING SUCTION BAR 20

CLEANING FILTER WATER 50

CHECK BRUSH WEAR 100

CHECK SUCTION LIP 100

Application Detergent

Maintenance cleaning of all water-

resistant floors

CA 50 C

RM 756

Maintenance cleaning with care

components

RM 746

RM 780

Maintenance cleaning and basic

cleaning of industrial floors

RM 69

Maintenance cleaning of glossy cov-

erings

RM 755

Maintenance cleaning and basic

cleaning of fine stone tiles

RM 753

Maintenance cleaning and basic

cleaning of acid-resistant coverings

RM 751

Cleaning and disinfection RM 732

Basic cleaning of all alkali-resistant

floor coverings

RM 752

Basic cleaning and de-coating of al-

kali-sensitive floors

RM 754

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Karcher B50 W Manual

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