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English
5.959-398
CARE AND MAINTENANCE
Thebatteryplugmustbedisconnectedbeforecleaning
and servicing the unit, or replacing any components.
– The unit should be tested at least once per year by
KÄRCHER or a qualified person; e.g., for damage, leaks,
and for correct functioning of the control devices.
Maintenance schedule
Daily,andafter eachuse:
– Drain off dirty water.
– Rinseoutdirty-water tank.
– Checkthefluffstraineronthesuctionconnectionofthe
suctionturbine.
– Run finger along the squeegee blades to ascertain
condition,andreplace/turnroundifrequired.
– Checkbrushes forwear, andreplaceifrequired.
– Cleantheexterioroftheunit;donotuseahigh-pressure
cleaner.
Monthly:
– Checkbrushes forwear, andreplaceifrequired.
– Checksqueegee blades;disassemble andturn round/
replaceifrequired.
– Check battery terminals for oxidation; brush over
terminals, and smear with grease. Check that the
connecting cable is firmly attached.
– Check tank cover seals for leakage, and replace if
required.
– Overall cleaning of the inside and outside is
recommended,and prolongs thelife oftheappliance.
Annually:
– Arrangefortheprescribedinspectiontobecarriedoutby
aserviceengineer.
Sub-zero temperature protection
If there is a danger of freezing temperatures, activate the
pumpuntilnomorewaterisdischarged.Thesafestprocedure
isto store theappliance inaroom protectedfromfreezing
temperatures.
Maintenance agreement
A maintenance agreement can be concluded with the
responsibleKÄRCHER SalesOffice.
Transporting the Unit
When loaded onto a transport vehicle, the unit must be
secured by straps or ropes to prevent movement during
transit.
Brushheadmustalwaysbeintheraisedposition,otherwise
thebrushescouldbecomedeformed. This would result in
the brushes running out-of-true, and to subsequent
destructionofthe bearings.
For transportation of the unit it is recommended that you
take the disc brushes and the brush rollers out of the
cleaninghead.
Replace the squeegee blades
Inthecourseoftimethesqueegeebladesofthesuctionbar
becomeworn andmustthen bereplaced:
– Undostarknobsinorderthatthedeflectorrollersandthe
squeegeebladescanberemoved.
– Fit the new squeegee blades and tighten up the star
knobsagain.
Replacing the disc brush
BD 530 BAT, BD 53/40 W
– Turn the positive drive to slow speed (–).
– Raise the disc brush slightly, turn it anti-clockwise by
approx. 45° and detach it by pulling it downwards.
– To attach the replacement brush, reverse the above
procedure.
– Turn the positive drive to the required speed (+).
Replacing the brush rollers
BR 530 BAT, BR 53/40 W
– Undo the star knob screws. Remove the side bearing
cover.
– Withdrawthebrushrollers from the side.
– Wheninsertingthenewbrushrollers,turnthemslightly
so that it is easier for them to join with the driver.
– Finallyreplacethebearingcoversandclosethemagain
with the star knob screws.
Recommended cleaning agents
Cleaningagentscanbeobtainedfromyourdealer,quoting
theappropriateordernumber.
– Use only cleaning agents that contain no solvents,
hydrochloricacid norhydrofluoric acid.
– Donotusecleaningagentsthatgeneratelargeamountsof
foam,astheycouldcausedamagetothesuctionturbine
orothercomponents.
Recommended for: Part No.
Routine cleaning
(including alkali-sensitive surfaces) RM 746 6.291-462
Removal of greasy dirt deposits RM 69 ASF 6.291-523
PVC surface stripping RM 752 6.291-466
Linoleum surface stripping RM 754 6.291-425
Sanitary cleaner RM 25 ASF 6.291-252
Disinfectant cleaner RM 732 6.291-382
