Operation; Transport - Kärcher BD 50/55 C Classic Bp Originalbetriebsanleitung

6. Connect the device-side battery connector to the
battery-side battery connector.

Operation

ATTENTION
Risks during operation
Danger of injury
Release the safety switch in the case of danger.
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 funnel.
Note
The fresh water hose can be clamped in place using the
hose clip while filling.
3. Close the fresh water tank cap.
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
Usage
Maintenance cleaning of all water-
resistant floors
Maintenance cleaning of polished
hard surfaces (e.g. granite)
Maintenance cleaning and basic
cleaning of industrial floors
Maintenance cleaning and basic
cleaning of fine stone tiles
Maintenance cleaning of tiles in san-
itary areas
Cleaning and disinfection in sanitary
areas
Coating removal on all alkaline-re-
sistant floors (e.g. PVC)
Coating removal on linoleum floors RM 754
Detergent
1. Fill the detergent into the fresh water tank.
Note
The cap for the fresh water tank filling funnel can be
used for measuring the correct quantity of detergent. It
has a measuring scale marked on the inner side.
Adjusting the water volume
1. Adjust the water volume via the regulating knob to
suit 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 brush head continues operating without a liquid
supply if the fresh water tank is empty.
Adjusting the suction bar
Adjusting the inclination
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. Turn the key-operated switch to "ON". Put down the
suction bar.
3. Drive the device a small distance forwards.
4. Read the spirit level.
1
2
3
Screw
1
Nut
2
Spirit level
3
5. Unscrew the nut.
6. Adjust the screw so that the spirit level indicator is
between the two lines.
7. Tighten the nut.
8. To check the new setting, move the device forward
again a short distance. Repeat the adjustment pro-
cess if necessary.
9. Turn the key-operated switch to "OFF".
The height adjustment affects the bending of the suction
lips on contact with the floor.
Note
Standard setting: 3 washers above, 3 washers below
the suction bar.
Detergent
Uneven floor: 5 washers above, 1 washer below the
RM 746
suction bar.
RM 756
Very smooth floor: 1 washer above, 5 washers below
RM 780
the suction bar.
RM 755 es 1. Unscrew the nuts.
RM 69 ASF
RM 753
RM 751
RM 732
RM 752
Nut
1
Washer
2
´
Spacer roller with holder
3
2. Place the desired number of washers between the
suction bar and the spacer roller.
3. Fit the remaining unused washers above the spacer
roller.
4. Screw on the nut and tighten.
5. Repeat the entire procedure with the second spacer
roller.
Note
Set both spacer rollers to the same height.
1. Turn the key-operated switch to "1".
The display shows the following one after the other:
● Kärcher
● Charging state of the battery and number of operat-
ing hours
● Period of time until the next after-sales servicing for
the customer
● Software version, control panel
● Charging state of the battery and number of operat-
ing hours (for BD 50/55 C Classic Bp)
Charging state of the battery and speed (for BD 50/
55 W Classic Bp)
Note
The direction of travel can be changed during the clean-
ing operation. This way, a certain position can be inten-
sively cleaned by driving back and forth several times.
1. Set the driving direction switch to "forward".
Adjusting the height
1
2
2
3
Cleaning
Switching on the device
Driving
English
Cleaning
Note
The inclination and height of the suction bar can be ad-
justed to improve the vacuuming results (see chapter
Adjusting the suction bar).
Note
When the waste water tank is full, the float switch closes
the suction opening and the suction turbine runs at a
higher speed. In this case, raise the suction bar and
drive to the location for emptying the waste water tank.
1. Turn the working speed rotary knob to the desired
value.
The speed is shown on the display during the ad-
justment. The display is shown in percentage of the
maximum speed.
2. Set the water volume at the regulating valve.
3. Press the suction bar lever downwards.
The suction bar lowers.
Vacuuming begins.
4. Press the brush head pedal downwards, unlatch it
and allow it to move upwards.
5. Pull the safety switch towards the push handle.
The brush head starts up and the device moves at
the set speed.
Finishing operation
Finishing cleaning
1. Let go of the safety switch.
2. Press the brush head pedal down and latch it in
place.
3. Continue moving a short distance.
The residual water is vacuumed up.
4. Lift the suction bar.
The suction continues to run for 10 seconds.
5. Turn the key-operated switch to "0".
6. Charge the battery if necessary.
Draining the waste water
WARNING
Improper disposal of waste water
Environmental pollution
Observe the local waste water treatment regulations.
1. Remove the drain hose from the support and lower
it over a suitable collecting device.
2. Press the dosing unit together or kink the hose.
3. Open the dosing unit cover.
4. Drain the waste water. Regulate the water volume
by pressing or kinking.
5. Rinse the waste water tank with clear water.
Quickly draining fresh water
1. Unscrew the fresh water drain cap.
2. Allow the fresh water to drain away.
3. Fit the fresh water drain cap and screw into place.
Note
Take care to ensure that the hose connection in the
fresh water tank cap is positioned at the lowest point in
the tank after screwing the cap in place.

Transport

DANGER
Driving on slopes
Risk of injury
Observe the maximum permissible inclination when
driving the device on slopes for loading and unloading
purposes (see Chapter Technical data).
Drive slowly.
CAUTION
Failure to observe the weight
Risk of injury and damage
Be aware of the weight of the device during transport.
Only load the device with the assistance of another per-
son or by using the drive.
1. Press the brush head pedal down, and latch it in
place.
2. Raise the suction bar.
3. Turn the key-operated switch to "1".
4. Select the travel direction with the travel direction
switch.
5. Pull the safety switch towards the push handle.
13