Karcher BD 50/40 RS Bp Pack: Transport Storage Maintenance and care

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6 

Danger

Risk of injury! When loading or unloading 

the machine, it may only be operated on 

gradients of max. 10%. Drive slowly.

Caution

Risk of injury and damage! Observe the 

weight of the appliance when you transport 

it.



Remove the suction bar and the brush 

from the appliance.



When transporting in vehicles, secure 

the appliance according to the guide-

lines from slipping and tipping over.

Fastening points

Caution

Risk of injury and damage! Note the weight 

of the appliance in case of storage.

This appliance must only be stored in inte-

rior rooms.



Danger

Risk of injury! Before carrying out any tasks 

on the machine, set the main key to "0" and 

remove it. Pull out the battery plug.

Note

Suction turbine will continue to run for a 

while after switch-off. Carry out mainte-

nance tasks only after the suction turbine 

has come to a halt.



Drain and dispose of the dirt water and 

the residual fresh water.



Check and ensure that the top of the 

appliance is seated properly on the 

wastewater reservoir.



Check tyre status.



Check if brush is fitted properly.



Check the inserts of the suction hose 

for leaks. 



Check fastening of the suction bar (see 

"Maintenance tasks").



Check the lid of the drain hose for the 

wastewater tank for tightness.



Check the correct positioning of both 

drain hoses in their holders.



Check accelerator pedal, brake and 

steering wheel for correct functioning.



Check acid level in wet batteries; refill 

distilled water, if required.



Empty the dirt water reservoir.



Rinse the dirty water tank with clear wa-

ter.



Clean the sieve and the swimmer in the 

wastewater tank (see "Maintenance 

tasks").



Clean fresh water tank. 



Switch on the suction for drying the sys-

tem. 



Empty and clean the coarse dirt pan 

(BR model only).



Check brush for wear and tear and 

clean it.



Clean vacuum lips in the vacuum bar 

and check for wear. 



Clean the outside of the appliance with 

a damp cloth which has been soaked in 

mild detergent.



Check device externally for damage. 



Store the appliance as shown above to 

dry off the tanks (see "Empty tanks").



Charge battery.



Clean upper side of the batteries. 



Check acid density in wet batteries. 



Check battery cable for correct position-

ing. 



Clean the sieve in the fresh water reser-

voir.

BR 55/40 RS only:



Check the side spray protection on the 

cleaning head.



Clean battery room and battery casing. 



Check immobilising brake. *



Clean the joints on the cleaning head 

hookup.



Check carbon brushes and commuta-

tors of all motors for wear and tear. *



Check tension of steering chain. *



Check the tension of the drive chains on 

the drive. *

* To be done by Customer Service.

To ensure a reliable operation of the appli-

ance maintenance contracts can be con-

cluded with the competent Kärcher sales 

office.



Pull out the suction hose from the vacu-

um bar. 



Raise the handle of the suction bar cou-

pling.



Remove the vacuum bar.



Remove the vacuum bar.

1 Star handle

2 Plastic part

3 Vacuum lip



Unscrew the star grips.



Remove the plastic parts.



Remove the vacuum lips.



Turn the vacuum lips or insert new 

ones.



Insert the plastic parts.



Screw in and tighten the star grips.



Swivel the unlocking lever upward.



Swivel the spray protection toward the 

front.

Transport Storage Maintenance and care

Maintenance schedule

Prior to operation:

After operation:

Every 50 operating hours

Every 100 operating hours

Every 200 operating hours

Maintenance contract

Maintenance BR 55/40 RS

Dismantling the vacuum bar

Turn or replace vacuum lips 

Replacing the brush rollers

20 EN