Karcher B 40 W DOSE roller: Operation

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4



Insert the suction hose.



Danger

Risk of injury. Pull the Intelligent Key to take 

all functions out of operation immediately.



Insert batteries and connect (see "Be-

fore Start-up"). 



Place long lateral boards of the packag-

ing as a ramp next to the pallet.



Fix the ramp on the pallet with nails.



Place short boards as a support under-

neath the ramp.



Remove the wooden bars in front of the 

wheels.



Lift the cleaning head by pressing the 

pedal all the way down.

Remove the cardboard with the R 

cleaning head.



Push down the appliance through the 

ramp from the pallet.



Plug in the Intelligent Key.



Turn the program selection switch to 

transport mode.



Press the driving lever and slowly move 

the machine down from the ramp.



Remove the Intelligent Key.



Danger

Risk of injury. Push the pedal for raising/ 

lowering the cleaning head with one foot 

only. The other foot must be placed firmly 

on the ground.

In dangerous situations, release the safety 

switch/drive lever.

Caution

Risk of damage. The vacuum bar must be 

liften to move in reverse direction.

Note

The machine is designed in such a way that 

the brush head protrudes on the right. This 

helps in working in a proper way even close 

to the edges.



Plug in the Intelligent Key.



Preselect the speed on the drive speed 

rotary knob.



Turn the programme selection switch to 

transport mode.



Drive the machine.

Forwards:

Press the driving lever to the front. 

Backward: 

Press the driving lever to the rear. 

Note

The machine moves only when the driving 

lever is moved by 15°. 



Stop the machine: Release driving lever. 



Open the lock of the fresh water reservoir.



Fill fresh water (maximum 60 °C) until 

the lower edge of the filling nozzle. 



Close the lock of the fresh water reservoir.

With automatic fill of fresh water reser-

voir (option)



Connect the hose to the automatic fill-

ing system and open the water supply 

(max. 60 °C, max. 5 bars).



Monitor the appliance - the automatic 

filling system will interrupt the water 

supply when the tank is full.



Shut off the water supply and discon-

nect the hose from the appliance.

몇

Warning

Risk of damage. Only use the recommend-

ed detergents. With respect to different de-

tergents the operator bears the increased 

risk regarding the operational safety and 

danger of accident.

Only use detergents that are free from solvents, 

hydrochloric acid and hydrofluoric acid.

Follow the safety instructions for using de-

tergents.

Note

Do not use highly foaming detergents.

Recommended detergents:

Detergent is added to the fresh water on 

the way to the cleaning head with the help 

of a dosaging device.

Note

The metering device can be used to add 

3% of detergent at maximum. In case of a 

higher dose the detergent must be poured 

into the fresh water tank.



Place the detergent bottle into the holder.



Close the bottle lid.



Insert the suction hose of the dosaging 

equipment into the bottle.

Note

If the fresh water tank is empty, then the 

function of adding detergent gets deactivat-

ed. The cleaning head continues to work 

without the addition of any liquid.



Add the detergent to the fresh water 

reservoir.



Adjust the water quantity using the reg-

ulating button according to the dirt on 

the floor covering. 

Note

Carry out the initial cleaning attempts with 

little quantities of water. Increase water 

quantity step-by-step until the desired 

cleaning result is achieved.

The detergent pump of the dosing equip-

ment does not start working until a mini-

mum water volume is present.

To improve the vacuuming result on tiled 

floors the vacuum bar can be turned to an 

oblique position of up to 5°.



Loosen the wing nuts.



Turn the vacuum bar.



Tighten the wing screws.

If the vacuum result is unsatisfactory the in-

clination of the straight vacuum bar can be 

modified.



Adjust the rotary handle to incline the 

suction bar.

Unloading

B 40 C Bp

B 40 W Bp

Operation

Driving with motor support 

(B 40 W Bp only)

Filling in detergents

Fresh water

Detergent

Application

Detergent

Routine cleaning of all water 

resistant floors

RM 746

RM 780

Routine cleaning of glossy 

surfaces (e.g. granite)

RM 755 es

Routine cleaning and basic 

cleaning of industrial floors

RM 69 ASF

Routine cleaning and basic 

cleaning of fine stoneware 

tiles

RM 753

Routine cleaning of tiles in 

sanitary areas

RM 751

Cleaning and disinfection in 

sanitary areas

RM 732

Removal of coating from all 

alkali-resistant floors 

(e.g. PVC)

RM 752

Removal of coating from 

linoleum floors

RM 754

Appliance with dosing equipment DOSE 

(option)

Models without dosing equipment

Setting the water quantity

Setting the Vacuum Bar

Oblique position

Inclination

17 EN