Maintenance Intervals - Kärcher MC 50 Handbuch

10.3.3 Rinse the suction channel and the waste
container (for sweepers).
 Start the appliance.
 Set engine speed to ECO.
 Place the water hose in front of the suction opening and
open the water supply.
 Switch on the suction turbine.
 Let the suction turbine run for approx. 2 minutes.
 Switch off the suction turbine.
 Empty waste container.
 Rinse the interior of the waste container and the cover
grid of the suction channel with a water jet.

10.4 Maintenance intervals

NOTICE
In order to safeguard warranty claims, all service and
maintenance work during the warranty period must be car-
ried out by the authorised Kärcher Customer Service in ac-
cordance with the maintenance booklet.
NOTICE
The elapsed-time counter shows the timing of the mainte-
nance intervals.
10.4.1 Daily before starting operations
 Check the function of all operating elements and con-
trol lamps.
 Refill the fuel tank.
 Check engine oil level.
 Check cooler water level.
 Check the hydraulic oil level.
 Check fuel filter.
 Check the air filter, clean if required.
 Check the side-brushes and suction opening for wear
and wrapped belts (for sweepers).
 Grease all bearings that are marked with an "*" under
"Maintenance tasks/vehicle".
 If the machine was operated with the water circulation
system turned off (option), clean the filter and the valve
of the water circulation system to ensure a safe function
of the water circulation system and to prevent damage.
Description of the measures, see "Operation/empty
waste container/additional for water circulation system
(for sweepers).
 Clean the exhaust grid in the waste container (for
sweepers).
 Check whether taps on the water separator and the fuel
filter are open.
 Make sure that the water separator does not contain
water.
 Clean the cooler.
 Check whether a rear weight is necessary when driving
with attachments and whether it has been installed.
 Check the entire appliance for damages.
10.4.2 After each vehicle wash
 Grease all bearings that are marked with an "*" under
"Maintenance tasks/vehicle".
10.4.3 Weekly
 Check the seals on the waste container (for sweepers).
 Check the tyre pressure.
See the label in the driver cabin or the chapter "Techni-
cal Data | Tyres" for the recommended tyre pressure.
 Check water level of wiper.
 Check functioning and easy movement of the bulk-
waste flap (for sweepers).
 Check rollers on the suction opening to see that they
move easily (for sweepers).
 Check the spray pattern of the spray nozzles for the
brush water supply and in the suction mouth. Clean or
replace the nozzles as needed (for sweepers).
10.4.4 After the first 50 operating hours
 Have the initial inspection performed by Customer Ser-
vice.
10.4.5 Every 50 operating hours
 Check and clean the radiator fan.
 Check the water separator.
 Check battery.
 Check battery pole for oxidation; brush it if required and
lubricate it using pole grease. Ensure that the connec-
tion cable sits firmly.
 Clean the alternator (do not use the high-pressure
cleaner).
 Lubricate bearings (see section "Lubricate appliance").
10.4.6 Every 250 operating hours or every six
months
 Check bearing of the articulated steering. *
 Change the engine oil and the oil filter.
 Check engine oil level.
 Check fuel filter.
 Check cooler water level.
Check mixing ratio of water/ anti-freezing agent.
 Clean or replace the water filter.
 Change the oil in the wheel motors.
 Check the hydraulic oil level.
 Check for tightness, abrasion spots and tight seating of
the hydraulic system and the connections.
 Check the tyre condition and the tyre pressure (for
sweepers).
 Change the air filter.
 Check the brakes for function and setting. *
 Check the motor speed and the setting. *
 Check hose from air filter to the motor.
 Check hoses and clamps.
 Clean the cooling fins of the water cooler, the oil cooler
and the air conditioning system with compressed air.
 Check the function of the heater and the heater fan. *
 Check the air filter of the heater blower, replace if re-
quired.
 Check V-Belt for wear and tear.
 Check the water separator.
 Check fuel hose and hose clamps (for sweepers).
 Check the washers on the waste container and the suc-
tion channel for wear (for sweepers).
 Check suction opening for alignment and wear (for
sweepers). *
 Check functioning and easy movement of the bulk-
waste flap (for sweepers).
 Check the water pump and the nozzles for the function,
clean if necessary (for sweepers).
 Check the suction hose for wear (for sweepers).
 Check the sweeping track of the side-brushes (for
sweepers). *
 Check the brush system for easy movement – swivel
perpendicular to the direction of travel (for sweepers).
 Check the battery, refill distilled water if necessary.
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EN 59