Kärcher MC 50 - Fluid and Component Checks; Engine Oil and Filter Change (MIC 34 C); Hydraulic System Maintenance

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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.
 Unscrew the oil fill lid.
 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 sec-
onds.
 Check engine oil level.
 Deliver the old oil to the respective col-
lection centres.
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"
 Check all hydraulic hoses and connec-
tions and ensure that they are leak-
proof.
Only Kärcher Customer Service is author-
ised to carry out maintenance tasks on the
hydraulic unit.
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 col-
lection centres.
1 Oil fill screw
2 Oil drain screw
 Clean the area around the oil fill screw
and the oil drain screw.
 Place the collection trough under the oil
drain screw.
 Unscrew the oil drain screw and collect
oil.
 Turn the oil fill screw out.
 Fix in the oil drain screw and tighten it.
(Torque 30 Nm).
 Refill oil.
See "Specifications" for oil volume and
type.
 Screw the oil fill screw in and tighten it
(torque 30 Nm).
 Deliver the old oil to the respective col-
lection centres.
 Remove the right engine panel.
1
Cooling water equalising reservoir
The cooling water level must be checked
while the engine is cooled off.
– The cooling water level must be at the
lower marking.
Change the engine oil and the oil filter
(for MIC 34C)
Check hydraulic oil level and refill hy-
draulic oil
Check hydraulic unit
Replace the hydraulic oil and filter Change the oil in the wheel motors
Check cooling water units
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