Kärcher BR 400 User manual

BR 400
5.956-013 10/00
www.karcher.com

DEUTSCH
1 Deckel für Bürstenwalze
2 Schrauben
3 Arretierung für Transport-/
Arbeitsstellung
4 Fußpedal für Saugbalken
5 Schubbügel
6 Saugbalken
7 Bürstenwalze
8 Schmutzwasserbehälter
9 Frischwasserbehälter
10 Linker und rechter
Schalthebel
11 Sprühknopf
12 Einfüllöffnung
Frischwasserbehälter
13 Steckbarer Schlauch
14 Motorschutzschalter
ENGLISH
1 Cover for brush roller
2 Screws
3 Catch for transport and
working position
4 Foot pedal for vacuum bar
5 Push handle
6 Vacuum bar
7 Brush roller
8 Dirty water tank
9 Fresh water tank
10 Left and right operating
levers
11 Spray button
12 Fresh water tank filler
opening
13 Plug-in hose
14 Current circuit breaker
FRANÇAIS
1 Couvercle de rouleau-brosse
2 Vis
3 Dispositif de blocage en
position de transport/de
travail
4 Pédale pour barre aspirante
5 Guidon de poussée
6 Barre d’aspiration
7 Rouleau-brosse
8 Réservoir d’eau sale
9 Réservoir d’eau propre
10 Manettes gauche et droite
11 Bouton de pulvérisation
12 Orifice de remplissage du
réservoir d’eau propre
13 Flexible enfichable
14 Disjoncteur de surintensité

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Table of contents
1. Operation .....................................................................................................11
Attaching the push handle ...........................................................................11
Transport position/working position .............................................................11
Filling the detergent solution........................................................................11
Normal operation .........................................................................................12
Emptying the dirty water tank ......................................................................12
Working only with brush operation...............................................................12
Polishing ......................................................................................................13
Application ...................................................................................................13
Stopping operation.......................................................................................13
Transporting the unit ....................................................................................13
2. Care and maintenance.................................................................................14
Replacing the brush rollers...........................................................................14
Replacing the vacuum lips ...........................................................................14
Protection against freezing...........................................................................15
Accessories..................................................................................................15
Recommendeddetergents ...........................................................................15
3. Technical data ..............................................................................................16
4. Troubleshooting............................................................................................17
Protecting the environment
Do not simply discard the packaging with the household refuse after unpacking.
Take the packaging to the appropriate collection areas for recycling.
Guarantee
Theguaranteetermsissuedbyourresponsiblemarketing company are valid in each country. Weshall
repairanyfaultinyourunitfreeofchargewithintheperiodofguaranteeprovidedthisisduetodefective
materials or workmanship. When making a claim under the guarantee, please contact your dealer or
nearest authorized customer service office with proof of purchase.

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1. Operation
Attaching the push handle
Filling the detergent solution
Note: Pleasecomply withthemanufacturer´s meteringinstructions
and ensure that the detergent solution is well mixed.
• Whenfilling using a hose or a bucket, open the cover of the fresh
water container and fill with water and detergent (max. 60 °C).
Replace the cover after filling.
• Remove fresh water container when filling under a faucet. Be
sure to pull off the attached hose first. After filling, replace the
container, hose and cover.
Transport
position Working position
Transportposition/working
position A switch is located on the side of the unit which can be locked in
9 positions.
Caution:
The transport or working position can only be selected when the
push handle is in a vertical position.
• Transport position
Pullswitchandrotateinananti-clockwisedirectionasfarasthestop.
Note: Theunitremainsonthetransportwheelsevenwhenthepush
handle is folded.
• Working position
Pull switch and rotate in a clockwise direction as far as the stop.
Note: Intermediate positions can be selected for sensitive floor
surfaces or for light scrubbing.
Caution:
When the push handle is folded, the complete weight of the unit
restsonthebrushes.Whilethe unitisnotbeingused, positionthe
push handle vertically to avoid damaging the brushes.
• On unpacking the unit you will find the upper push handle folded
down.
• Position the lower push handle half vertically, attach the upper
half and screw together using the supplied screws and nuts.
Caution:
Do not clamp the cable during assembly.

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Operating in normal mode • Connect the unit plug to the extension cable and hook into the
cable grip on the push handle. Û
• Insert the extension cable plug into the mains socket.
• Turn knob to set brush contact pressure
to desired amount. Ü
Start at a low setting and increase pres-
sure as required.
• Press left or right operating lever. Û Brushes start to rotate.
• Press knob on top of push handle to supply detergent solution
to brush rollers. Operate button according to amount of dirt
on floor. Û
• Pull handle towards yourself. Brushes are lowered and cleaning
can begin.
• Make sure that brushes are kept wet.
Important:Inordertoavoiddamagetothefloorsurface,please
observe the following:
1. Do not allow brushes to continue rotating on one spot during
the course of cleaning.
2. Make sure that only suitable brush rollers are used
(see Accessories).
• Iftheflooristobedryafterthecleaningprocess,thevacuummust
also be switched on.
– AfootpedalissituatedonthechassisÜ.Whenthe
pedal is pressed the suction beams are lowered
and the unit vacuums on both sides. The dirty
water collects in the dirty water tank.
Spray button
Left switch
lever Right switch lever
Mains cable
brush contact pressure
high
low
Emptying the dirty water tank • The dirty water collects in the lower tank.
– First remove the upper tank and place to one side, having
previously removed the hose.
– Then remove and empty the dirty water tank. When replacing
the tanks ensure that they are correctly mounted.
• Whenever the upper tank is filled, the dirty water tank must be
emptied.
• The anti-splash plates must always be inserted in the dirty water
tank.
Working with only brush
operation • Pressing the foot pedal again ends the vacuuming and the
suction beams are raised:
– Stubborn dirt can be scrubbed vigorously.
– Special polishing brushes can polish floors dry.

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Caution:
Thetransportpositioncanonlybeselectedwhenthepushhandle
is in a vertical position.
Position the push handle vertically when turning off the unit in
order to avoid damaging the brushes.
• The floor cleaning unit is equipped with four, small-diameter
transport wheels. Movement is no problem indoors or on even
surfaces.
•Use care when on outdoor surfaces such as rough asphalt,
cobblestones, etc.
• Polishing is carried out without water and without vacuuming. If
required the tanks can be removed, facilitating polishing under
furniture, etc.
Caution:
To avoid damaging the floor due to overheating, do not allow the
unit to run in one place.
If necessary, reduce the brush pressure.
Polishing
Application
Note: Theunitisconstructedsymmetrically,havingvacuumbarsat
the front and rear. It therefore works equally well in either direction.
• Loosecoarse dirt particles must be removed by sweepingbefore
using the floor cleaning unit.
• The amount of water should always correspond to the floor
covering and degree of dirt.
• Select the correct brushes (see Accessories).
• The brushes are offset, enabling the unit to operate up to edges
on the left and right.
• The vacuum lips are fitted at the front and back enabling the unit
to operate in a forward or reverse direction.
Transporting the unit
Stopping operation • Release switch lever and spray button.
• Latch the push handle into the vertical position.
• Lift the vacuum bars using the foot key.
• Engage in the transport position using the side switch.
• Disconnect the mains cable.
• Remove, empty and clean both tanks.
• On completion of work, pressure must always be removed from
the brush rollers: either the handle must be in the vertical centre
position, or the running gear (transport rollers) must be locked in
the extended position when the handle is folded down.
• Iftheunitisnotusedforaprolongedperiod,rinsethoroughlywith
fresh water to prevent the pump from malfunctioning.

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2. Care and maintenance Caution:
Switchofftheunitanddisconnectthemainsplugbeforecleaning,
servicing or repairing.
Repair work must only be carried out by authorized customer
service centres familiar with the safety regulations.
Do not use a hose or high pressure water spray to clean the unit
(danger of short-circuits or other damage).
• The unit must be thoroughly rinsed with warm clear water at
regular intervals to avoid chemical residues and deposits. It is
also recommended to clean the suction channel and the contai-
ners.
• If the unit is not to be used for prolonged periods all water should
be drained out of the unit, otherwise odours may occur.
• Always check the mains cable, extension cable and hoses for
damage before starting.
Note:Thebrushrollersshouldbeexchangedfornewoneswhenthe
overallheightofthebristleshasworndowntothesamelengthasthe
different-coloured tuft of bristles.
• Remove the side cover by removing the two screws.
• Remove brush roller and insert new one. Reattach the cover.
• Change the second brush roller (symmetrically arranged) as
described.
Caution:
Alwaysinstalltwoidenticalbrushrollers(typeanddegreeofwear),
thereby ensuring a uniform cleaning result.
Replacing the brush rollers
Replacing the vacuum lips • The vacuum lips on the vacuum bars eventually wear out and
must then be replaced:
– Rotate the side sealing cap by 90°.
– Pull out vacuum lips and push in new vacuum lips (profiled
structure must point upwards).
– Screw the sealing cap back on in the original position.
Note: Theservicelifeofthevacuumlips,aswellasthewipingeffect
onthe floor, canbe significantlyimproved by occasionallyswitching
the lips from the front to the back or vice versa.

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Protection against freezing • If there is a risk of freezing, run the pump until no more water
comesout. Thebestprotectionistostoretheunitinaroomwhich
is above freezing point.
• When restarting the unit after freezing, fill the tank with warm
waterandwaituntilanyiceinthepumphasmelted; onlythencan
you switch on the pump.
Accessories In the following table you will find the order numbers for various
special accessories such as polishing brushes, extension cables or
rubber lips. When ordering, please provide your responsible sales
officeorsalespersonwiththeordernumberandthenumberofitems.
Order no. Item Unit required
item
Standard brush roller
(white) For basic cleaning of slightly dirty or sensitive
floors
5.762-112 1 2
Grit brush roller, hard
(grey) For basic cleaning of very dirty floors 5.762-126 1 2
Brush roller high/low
(red) For structured floors 5.762-125 1 2
Soft brush roller (black) For polishing 5.762-127 1 2
Standard rubber lips
(blue) 5.181-040 Pair 2 pair
Oil-resistant rubber lips
(grey) 5.181-041 Pair 2 pair
Extension cable
(1.926-121.0) 20 m 6.647-022 1 1
Starting current limiter
(1.926-121.0) 20 m 2.639-028 1 1
Recommended detergents • Do not use detergents which contain solvents, hydrochloric and
hydrofluoric acids.
Recommended for: Order no.
Maintenance cleaning (also for alkali-sensitive
floors) RM 746 6.291-462
Removing greasy dirt RM 69 ASF 6.291-523
Thorough cleaning (stripping) of PVC RM 752 6.291-466
Thorough cleaning (stripping) of linoleum RM 754 6.291-425
Sanitary cleaner RM 68 ASF 6.291-680
Disinfectant RM 732 6.291-382

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3. Technical data 1.926-721
1.926-281
1.926-691
1.926-521 1.926-591
1.926-121 1.926-291
Rated voltage 220V/230V(1~50Hz) 230V(1~50Hz)
Mainsfuse(slow) 16 A* (GB: 13 A) 10A
Ratedpower 2.54kW 2.1 kW
–Brush motor 1.7 kW 1.5 kW
–Vacuummotor 0.8 kW 0.55kW
– Spray pump 0.04kW 0.04 kW
Working speed 1 km/h 1 km/h
Area capacity, theoretical 400 m2/h 400 m2/h
Vacuumwidth 420mm 420mm
Rate of drawn-in air, max. 40 l/s 40 l/s
Vacuum 190mbar 170mbar
Brushes:
Working width 400mm 400mm
Quantity 2 pieces 2 pieces
Diameter 9.5 cm 9.5 cm
Tankvolume:
Freshwatertank 8 l 8 l
Dirty water tank 10 l 10 l
Dimensionsandweights:
Length 530mm 530mm
Width 420mm 420mm
Height without push handle 350mm 350mm
Degreeof protection I I
Totalweight 31 kg 31 kg
Medium sound pressure level according
to DIN 45 635 79 dB(A) 77 dB(A)
We reserve the right to make technical changes.
* Ifproblems arise with the mains fuses, we recommend that you use the
20mconnectingcablewhichisfittedwithadeviceforlimitingthecurrent
at switch-on (for order no. – see Accessories).

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4. Troubleshooting
You may be able to rectify some malfunctions by yourself.
Malfunction Possible cause Remedy
No or insufficient
detergent solution on floor Fresh water tank is empty Fill up
Connection between fresh water
tank and pump leaks Check connection
Pump defective Call customer service
Insufficient suction or
insufficient suction result
on floor
Fresh water tank does not correctly
installed on the dirty water tank Check and install correctly
Seal on tank is dirty or damaged Clean or replace
Rubber lips on suction foot are dirty
or worn out Clean or replace
Suction channel blocked Clean
Suction turbine defective Call customer service
Insufficient cleaning Brush pressure is too low Increase contact pressure
Brush worn out Replace
Brush roller is not correct for surface For very dirty surfaces use
Nylon-Grit Brush Roller (special
accessories)
Brush rollers are blocked Foreign object swept in Remove foreign object, press
reset switch below the tank
Too much friction Reduce contact pressure
Brush rollers do not turn Belt defective Call customer service
Brush motor defective Call customer service
Excess current circuit-breaker was
tripped Check, press reset switch below the tank