Kärcher MIC 34C Betriebsanleitung Seite 59

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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