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Idiomas disponibles
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
Battery charge state
1
Set water dosage (only for devices with an electric
2
water valve)
Set speed
3
Set detergent dosage (only for DOSE device vari-
4
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
QR code
1
Bluetooth® symbol
2
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:
Call
CLEANING VACUUM FILTER
CLEANING SUCTION BAR
CLEANING FILTER WATER
CHECK BRUSH WEAR
CHECK SUCTION LIP
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
WARNING
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
Application
Maintenance cleaning of all water-
resistant floors
Maintenance cleaning with care
components
Maintenance cleaning and basic
cleaning of industrial floors
Maintenance cleaning of glossy cov-
erings
Maintenance cleaning and basic
cleaning of fine stone tiles
Maintenance cleaning and basic
cleaning of acid-resistant coverings
Cleaning and disinfection
Basic cleaning of all alkali-resistant
floor coverings
Basic cleaning and de-coating of al-
kali-sensitive floors
English
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.
Interval (hours)
1. Fill the detergent into the detergent canister.
Note
10
A maximum of 3% detergent can be added with the dos-
20
ing device. If the dosage is higher, the detergent must
50
be added to the fresh water tank.
100
ATTENTION
Danger of clogging
100
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.
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.
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.
Detergent
Adjusting the inclination of the suction bar
CA 50 C
The inclination must be adjusted so that the suction lips
RM 756
of the suction bar make even contact with the floor over
RM 746
the entire length of the suction bar.
RM 780
1. Park the device on a surface without a slope.
RM 69
2. Select the "Suction" program.
3. Drive the device a small distance forwards.
The suction bar is lowered.
RM 755
4. Read the spirit level.
Illustration K
RM 753
Screw
1
RM 751
Nut
2
Spirit level
3
RM 732
RM 752
5. Release the M 12 nut while holding the
M 10 hexagon head screw with an open-end
RM 754
wrench.
Manual water valve
Electric water valve
17
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