Kärcher MIC 34C Mode D'emploi page 55

CAUTION
An oil level that is too high leads to damages of the engine
by overheating. If the oil level exceeds the "MAX" mark, oil
must be drained until the correct oil fill level has been
reached.
10.5.8 Change the motor oil and the oil filter
Danger
Risk of burns due to hot oil or possible hot hose lines!
 Ready a catch bin for appr. 6 litre oil.
 Allow engine to cool down.
 Unscrew oil drain plug.
 Remove oil cap.
 Drain off oil.
 Unscrew the oil filter.
 Clean the intake and sealing areas.
 Coat the washer of the new oil filter with oil before fitting
it.
 Fit in the new oil filter and tighten it by hand.
 Screw in the oil drain screw along with the new washer
(torque to 60 Nm).
 Fill in motor oil.
Oil grade: Refer to chapter "Technical data"
 Close oil filler opening.
 Let the motor run for approx. 30 seconds.
 Check engine oil level.
 Deliver the old oil to the respective collection centres.
10.5.9 Check hydraulic oil level and refill
hydraulic oil
1 Cover
2 Oil sight glass
The oil level must be within the viewing glass.
 Clean the lid and the surroundings.
 Remove the lid.
 Refill hydraulic oil.
Oil grade: Refer to chapter "Technical data"
10.5.10 Check hydraulic unit
 Check all hydraulic hoses and connections and ensure
that they are leak-proof.
Only Kärcher Customer Service is authorised to carry out
maintenance tasks on the hydraulic unit.
10.5.11 Replace the hydraulic oil and filter
1 Cover
2 Oil sight glass
3 Oil drain screw
4 Spring
5 Filter inlay
6 Seal
 Park the machine on an even surface.
 Clean the lid and the surroundings.
 Unscrew the screws and remove the lid.
 Take out the spring and the filter insert.
 Place the collection trough under the oil drain screw
(approx. 20 litres capacity).
 Unscrew the oil drain screw and collect oil.
 Screw in the oil drain screw along with the new washer
(torque to 40 Nm).
 Fill the oil into the filler neck.
See "Specifications" for oil volume and type.
 Insert the new hydraulic oil filter.
 Check the seal and insert it.
 Install the spring.
 Replace the lid and tighten the screws.
 Start the engine and let it run for a few minutes.
Check the oil drain screw and the lid for leaks.
 Check the hydraulic oil level.
 Deliver the old oil to the respective collection centres.
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