Maintenance Intervals - Kärcher MIC 34C Betriebsanleitung

10.3 Cleaning
 Raise the working machine.
 Park the machine on an even surface.
 Set engine speed to MIN position.
 Turn ignition key to "STOP" and remove it.
 Lock parking brake.
10.3.1 Cleaning the device
Clean appliance daily after finishing work.
CAUTION
Risk of damage!
Shaft seals, electrical components and hydraulic valves
must not be cleaned using a high pressure water jet.
Do not rinse the engine with water.
When cleaning the appliance with a high pressure cleaner,
adhere to the respective safety instructions.
Radiator fins must only be cleaned with compressed air
(max. 5 bar), not with water.
Do not use aggressive cleaning agents.
In order to protect the air filter only wash the rear of the ap-
pliance while the motor is shut off.
 Check the vehicle for oil and fuel leaks to prevent fires.
Get customer service to fix the leaks.
 Check front power lifter for ease of movement (raising
and lowering).
 To avoid fires, keep the engine, muffler, battery and
fuel tank free of plant residue and oil.
 Check the engine for contamination, clean with a brush
or compressed air if required
10.3.2 Clean the radiator
 Check the radiator for contamination.
 Remove large object by hand.
 Remove contamination with a soft brush or com-
pressed air.

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.
 Grease all bearings that are marked with an "*" under
"Maintenance tasks/vehicle".
 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.
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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 tyre condition and 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.
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 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 mixing ratio of water/ anti-freezing agent.
 Clean or replace the water filter.
 Change the oil in the wheel motors.
 Check for tightness, abrasion spots and tight seating of
the hydraulic system and the connections.
 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 smooth running of the Bowden cables and
the moveable parts
 Clean the ventilation slots of the lights.
* To be done by Customer Service.
10.4.7 Every 500 hours or twice a year
All work must be performed by customer service.
 Replace the fuel filter.
 Replace hydraulic oil.
 Replace hydraulic oil filter.
 Check the exhaust system for leaks.
 Check current-carrying lines and contacts for damages
and oxidation
 Replace the V-belt of the hydraulic pump and grease
the tension roller.
10.4.8 After 1000 operating hours or once a year
All work must be performed by customer service.
 Replace cooling water.
 Adjust the valves.
 Perform a visual check of the fuel hoses and the cool-
ant hoses, replace if necessary.
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