Initial Start-Up; Switching On The Device - Kärcher B 50 W Bedienungsanleitung

Suction bar holder
The suction bar can be dismantled and hooked onto the
edge of the device for driving through narrow spaces or
for storage,.
Illustration D
Storage for suction bar (edge of device)
1
Suction bar
2
Symbols on the device
Mains cable for charger
Lashing point
* Mop holder
* Fill with fresh water
Fresh water tank filling level 25%
Fresh water tank filling level 50%
Fresh water tank filling level 100%
Brush replacement pedal (BD)
Brush replacement button (BR)
Adjust brush tilt (D 51 cleaning head only)
Drain for waste water
Drain for fresh water
Remove the coarse dirt container
Raise/lower the cleaning head
Drive forwards
Drive in reverse
Intelligent Key
The Intelligent Key is used to switch on the device and
for enabling certain device functions.
● Yellow: Operator
The device can be used. All settings for the cleaning
programs enabled for this key via the smartphone
app may be changed.
● Grey: Foreman
The device can be used. All settings for the cleaning
programs available for the device may be changed.
Installation
Unloading the device
1. Unscrew the screws on the transport locks.
Illustration E
Illustration F
Transport lock
1
2. Remove the transport locks.
3. Push the device forwards from the pallet.
Installing the suction bar
1. Pivot both clamping levers upwards.
Illustration G
Suction hose
1
Suction bar suspension
2
Suction bar
3
Clamping lever
4
2. Insert the suction bar in the suction bar mount.
3. Pivot both clamping levers downwards.
Installing he brushes
1. Only with BD variant: Install the disc brush before in-
itial startup (see chapter Maintenance work).
Note
With variant BR, the brushes are installed.
2. Install the brush (see chapter Maintenance work).
Batteries
Recommended batteries
ATTENTION
Risk of damage
Batteries may only be replaced with batteries of the
same technology.
Lead batteries must not be replaced by Li-Ion batteries
Li-ion batteries must not be replaced by lead batteries.
Lead batteries:
Description
Set 76 Ah - maintenance-free, 24 V
Set 105 Ah - maintenance-free, 24 V 2.815-100.0
Set 115Ah - maintenance-free, 24 V 2.815-091.0
Set 80 Ah - maintenance-free, 24 V
The device requires 2 batteries.
Li-ion batteries:
Description
80 Ah, 25.6 V
The device requires 1 battery.
Maximum battery dimensions
Length 350
Width 355
Height 290
Installing and connecting batteries
Note
In the case of the device variant with Li-Ion battery, the
battery is already installed and connected. A Li-Ion bat-
tery may only be installed or replaced by the customer
service.
DANGER
Danger of fire and explosion!
Do not place tools or similar items on the battery. Risk
of short-circuit and explosion.
Smoking and naked flames must be strictly avoided.
Rooms where batteries are charged must have good
ventilation as highly explosive gas is emitted during
charging.
CAUTION
Removing and installing the batteries
Unstable machine position
Ensure that the machine is positioned stably when re-
moving and installing the batteries.
ATTENTION
Incorrect connection polarity
Destruction of the control electronics
Take care to ensure the correct polarity when connect-
ing the batteries.
ATTENTION
Deep discharge
Risk of damage
Charge the batteries before starting the device.
1. Push the device approx. 2 m forwards so that the
steering rollers point to the rear.
2. Hold the waste water tank by the recessed grip and
pivot it sideways and upwards.
3. Fit the batteries in the pan.
4. Connect the batteries:
a Fit the spacers.
Illustration H
Spacers 340x40x10 (9.763-222.0)
1
Connection cable
2
Battery
3
80 Ah: Spacers 295x94x10 (5.642-034.0)
4
115 Ah: Spacers 295x94x23 (5.642-033.0)
Connection cable to the battery (-)
5
Connection cable to the battery (+)
6
b Connect both batteries with the connection cable.
c Clamp the connection cables to the (+) and (-)
battery terminals that are still free.
5. Pivot the waste water tank downwards.
English
Activating the Li-Ion battery
Li-Ion batteries are delivered in transport mode and
must be activated before initial startup of the device.
1. Charge the battery (see "Initial startup/Charging the
battery"), this will end the transport mode.
CAUTION
Removing and installing the batteries
Unstable machine position
Ensure that the machine is positioned stably when re-
moving and installing the batteries.
WARNING
Device tipping over
Risk of injury, risk of damage
Only remove the batteries when a cleaning head is at-
tached to the device.
1. Set the program selection switch to "0".
2. Remove the Intelligent Key.
3. Empty the waste water tank.
4. Push the device approx. 2 m forwards so that the
steering rollers point to the rear.
Order no.
5. Hold the waste water tank by the recessed grip and
pivot it sideways and upwards.
2.815-099.0
6. Disconnect the cable from the negative terminal of
the battery.
7. Disconnect the remaining cables from the batteries.
8. In the case of Li-Ion batteries, also disconnect the
2.815-090.0
two round plugs on the battery.
9. Remove the spacers.
10. Remove the batteries.
11. Dispose of the used batteries in accordance with the
Order no.
applicable regulations.
6.654-454.0
DANGER
Inappropriate use of the charger
Electric shock
Adhere to the mains voltage and fuse values specified
on the device type plate.
Only use the charger in dry rooms with sufficient venti-
lation.
The built-in charger is electronically controlled and suit-
able for all recommended batteries, it ends the charging
process automatically.
The installed battery is shown in the display when
charging.
The average charging time is approx. 10-15 hours.
The device cannot be used during the charging pro-
cess.
Note
The device has deep discharge protection, i.e. the
brush motor and turbine are switched off automatically
in operation when the permitted minimum capacity level
is reached.
1. Drive the device directly to the charger and do not
drive on slopes.
2. Plug the mains plug on the power cable into the
mains socket.
3. Charge until the display shows full charge.
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 warran-
ty.
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
Removing the battery
Initial startup
Charging the battery
17