Karcher B 40 C Ep D 43: Transport Storage Maintenance and care

     - 

6



After all desired parameters have been 

modified, turn the info button until "Exit 

menu" is displayed.



Press the info button - you will exit the 

menu.



Press Info button - the set value blinks.



Set the desired language by turning the 

info button.



Confirm the changed setting by press-

ing the Info button or wait till the set val-

ue is automatically accepted after 10 

seconds. 

Adjust the trailing time of the brushes.



Same adjustment as "Set language".



Turn the info button until the function 

"Battery menu" is displayed.



Press the info button - select the charg-

ing marker line according to the built-in 

batteries.

Note

: Setting the charging marker line 

should be discussed with Kärcher cus-

tomer service. This applies especially if 

the battery is not listed in the menu.



Confirm the changed setting by press-

ing the Info button or wait till the set val-

ue is automatically accepted after 10 

seconds. 

Recreate the basic settings.



Danger

Risk of injury! When loading or unloading 

the machine, it may only be operated on 

gradients of max. incline (see "Technical 

Specifications"). Drive slowly.

Caution

Risk of injury and damage! Observe the weight 

of the appliance when you transport it.



Raise the cleaning head to avoid dam-

age to the brushes. 



Remove the brush to avoid damage to 

the brushes.



When transporting in vehicles, secure 

the appliance according to the guide-

lines from slipping and tipping over.

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 working on the appli-

ance, remove the Intelligent Key and the 

mains plug of the charger.



Drain and dispose of the dirt water and 

the residual fresh water.

Recommended cleaning processes are 

shown on the display at certain cleaning in-

tervals. 



Perform the maintenance task shown 

on the display. 



Press the Info Button, the display will be 

reset. The display will be shown again 

at certain predefined time intervals.

Note

: A service reset resets all mainte-

nance intervals.

Caution

Risk of damage. Do not wash down the ap-

pliance with water and do not use aggres-

sive detergents.



Drain off dirt water.



Rinse the wastewater reservoir with 

clean water or with the rinsing system 

for the wastewater reservoir (option).



Remove the coarse dirt sieve from the 

wastewater reservoir and clean it.



Clean the outside of the appliance with 

a damp cloth which has been soaked in 

mild detergent.



Check the fluff filter, clean if required.



Only BR model: Remove bulk waste 

container and empty it.



Only BR model: Clean water distributor 

channel (see section „Maintenance work“).



Clean the vacuum lips and the wiping 

lips, check for wear and replace if re-

quired.



Check the brushes for wear, replace if 

required.



Press the lock of the wastewater reser-

voir in and close the cover of the waste-

water reservoir so that a gap remains 

open to facilitate drying.



Check battery poles for oxidation, brush 

off if necessary. Ensure that the con-

nection cable sits firmly.



Clean the seals between dirt water res-

ervoir and cover and check for tight-

ness, replace if required.



Check the acid density of the cells if the 

batteries are not maintenance-free bat-

teries.



Clean the brush tunnel (only BR model). 



Have the prescribed inspection carried 

out by the customer service.



Drain the wastewater, see section 

"Drain wastewater“.



Open the cover of the wastewater res-

ervoir.



Pull the flexible lock off of the rinsing 

system.



Connect the water hose to the rinsing 

system.



Close the cover of the wastewater res-

ervoir until it rests on the flexible lock.



Open the water supply and rinse the 

wastewater reservoir for about 30 sec-

onds.

Repeat the rinsing process 2 to 3 times.



Shut off the water supply and discon-

nect the hose from the appliance.



Reattach the flexible lock to the connec-

tion. Leave the wastewater reservoir 

cover open a crack to let it dry.

Setting the language

Brush trailing

Setting the charging marker line

LOAD DEFAULT

Transport Storage Maintenance and care

Maintenance schedule

Maintenance intervals

Display

Display all

Clean the vacuum 

bar

20 hours

Clean the fluff filter

20 hours

Clean water filter.

50 hours

Check the suction 

lips

100 hours

Check the brushes

100 hours

Service reset

200 hours

After each operation

Monthly

Yearly

Maintenance Works

Wastewater reservoir rinsing system 

(option)

19 EN

     

- 

7

1 Wear indicator

2 Vacuum lip

The vacuum lips must be replaced or re-

versed if they are worn down to the wear in-

dicator.



Remove the vacuum bar.



Unscrew the star grips.



Remove the plastic parts.



Remove the vacuum lips.



Insert new or reversed vacuum lips.



Insert the plastic parts.



Screw in and tighten the star grips.



Remove the rubber strip and clean the 

channel with a cloth. After cleaning, re-

place the rubber strip evenly.



Lift the cleaning head. 

1 Unlocking key, storage cover

2 Brush

3 Push button



Press the release button of the storage 

cover.



Swivel the storage cover to the side.



Pull out the brush rollers.

Note

: The brush rollers must be re-

placed when the bristle length has 

reached 10 mm.



Insert new brush rollers.



Swivel the storage cover back and 

press it closed on the push button.



Lift the cleaning head. 



Press the pedal for changing the brush-

es downward beyond its resistance.



Pull the disc brush out of the side below 

the cleaning head.



Hold the new disc brush under the 

cleaning head, push upward and lock.



Push the appliance forward about 2 m 

so that the steering rollers point toward 

the rear.



Press the pedal for lowering the clean-

ing head downwards slightly and then 

move it to the left. This unlocks the ped-

al. Release the pedal slowly upwards.

The lift arm of the cleaning head will be 

lowered.



Empty the fresh and dirt water reser-

voirs.



Loosen the tank lock and tilt the tank 

upwards. 

1 Spring element

2 Locking pin

3 Terminal strip cover

4 Lock of safety pin



Place the cleaning head halfway in front 

of the appliance.



Remove the terminal strip cover.



Connect the mains supply cable of the 

cleaning head to the appliance.



Attach the terminal strip cover.



Connect the hose couplers on the 

cleaning head to the hose on the appli-

ance.

1 Spring element

2 Push handle



Insert the push bow into the cleaning 

head intake.



Push the spring elements down and 

lock them into place.



Align the lift arm of the cleaning head 

with the intake on the top side of the 

cleaning head.



Insert the safety pin and lock it into 

place.



Adjust the cleaning head

: to the de-

sired position via the adjustment screw.



Swivel the water reservoir all the way 

down, check the lock.

The removal will take place in the opposite 

order of the installation.

Caution

When the cleaning head is removed, the 

stability of the appliance can be compro-

mised; ensure a safe stance.

Possibly support the rear to prevent tipping.

Please observe the following warning notes 

when handling batteries:

Replace or turn vacuum lips

Clean water distribution channel

Replacing the brush rollers

1

2

3

Replacing the disk brushes

Install cleaning head

Dismantling the cleaning head

Batteries

Observe the directions on the bat-

tery, in the instructions for use and 

in the vehicle operating instruc-

tions

Wear eye protection

Keep children away from acid and 

batteries

Danger of explosion

Fire, sparks, naked flames and 

smoking must be strictly avoided

Danger of chemical burns

First aid

Warning note

Disposal

Do not throw the battery into the 

regular waste

20 EN