Kärcher MIC 26 Mode D'emploi page 66

10.5.8 Change the motor oil and the oil filter
Note: A warm motor facilitates the draining process.
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.
1 Oil drain screw
 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
Important
In order to avoid operational problems, utmost cleanliness
is vital for all check and maintenance work.
1
1 Sight glass hydraulic oil
2 Fuel filter
3 Water separator
The oil level must be within the viewing glass.
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 Refill hydraulic oil.
Oil grade: Refer to chapter "Technical data"
Note: Low hydraulic oil can only be topped up with a spe-
cial optional accessory (order no.) or by the Kärcher after-
sales service.
10.5.10 Replacing hydraulic oil and hydraulic oil
filter
Replacement must be performed by the authorised
customer service.
Even the finest contamination in the hydraulic system can
cause severe faults; therefore, the system is fitted with a
hydraulic oil filter.
10.5.11 Check hydraulic unit
Only Kärcher Customer Service is authorised to carry
out maintenance tasks on the hydraulic unit.
 Check all hydraulic hoses and connections and ensure
that they are leak-proof.
10.5.12 Change the oil in the wheel motors
Replacement must be performed by the authorised
customer service.
1 Oil fill screw
2 Oil drain screw
10.5.13 Check coolant level
 Remove the right engine panel.
2
1 Coolant expansion tank
3
The cooling water level must be checked while the engine
is cooled off.
– The cooling water level must be at the lower marking.
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