Kärcher MC 50, Original Instructions Manual

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21
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Use a water and antifreeze mixture to
refill.
–
Do not mix different antifreeze types.
–
Use only soft water for the water and
antifreeze mixture.
–
Refill cooling water only while the en-
gine is cool.

Remove the right engine panel.
If the cooling water reservoir is completely
empty, first fill up the radiator:
1 Radiator lid
2 Drain screw

Unscrew the radiator lid.

Fill the radiator slowly all the way to the
top without bubbles.

Screw on the radiator lid.
Fill the cooling water equalising reservoir:

Remove the lid of the equalising reser-
voir.

Fill the equalising reservoir to the bot-
tom mark.

Close the lid for the equalising reser-
voir.

Start the engine and let it warm up.

Check fill level in the cooling water ex-
pansion reservoir.
While the engine is warm, the cooling
water level must be at the top mark.

If the cooling water level is too low, shut
the engine off, let it cool off and fill the
missing cooling water volume into the
cooling water equalising reservoir.
1 Locking tap
2 Fuel filter

Ensure that the drain-off tap is open.

Danger
Risk of explosion!
–
Do not carry out maintenance tasks in
closed rooms.
–
Smoking and naked flames must be
strictly avoided.
1 Locking tap
2 Filter inlay
3 O ring
4 Filter pot
5 Union joint

Close the stop valve.

Place the collection trough under the
fuel filter.

Loosen the union joint.

Take out the filter inlay.

Clean the interior of the reservoir.

Insert a new filter insert.

Check the O-ring. Replace if necessary.

Reassemble the fuel filter.

Open locking tap.

Deaerate the fuel system
1 Fuel filter
1 UP
2 Close

Switch off the engine and let it cool
down.

Close the locking tap at the water sepa-
rator.

Place the collection trough under the
fuel filter.

Unscrew the fuel filter.

Apply a thin film of fuel to the seal of the
new fuel filter.

Screw the new fuel filter in fingertight.

Open the locking tap at the water sepa-
rator.
몇
Warning
Risk of injury due to spilled fuel! Collect and
wipe up spilled fuel immediately.
Wear safety gloves.
1 Union joint
2 Container
3 Locking tap
4 Wire filter
5 Float
6 Spring

Ensure that the drain-off tap is open.

Check whether the floater is located on
the bottom of the water separator.
If the floater is not on the bottom, there
is water in the water separator and the
water separator must be cleaned.

Danger
Risk of explosion!
–
Do not carry out maintenance tasks in
closed rooms.
–
Smoking and naked flames must be
strictly avoided.

Close the stop valve.

Place the collection trough under the
water separator.

Loosen the union joint.

Remove the water separator reservoir.

Remove the spring and the floater from
the reservoir.

Clean the interior of the reservoir.

Clean the wire filter.

Check the O-ring between the reservoir
and the top part of the water separator.

Reassemble the water separator.

Open locking tap.

Deaerate the fuel system
Refill cooling water
Check the fuel filter (for MC 50)
Replace the fuel filter (for MC 50)
Replace the fuel filter (for MIC 34C)
Check the water separator
Clean the water separator
23 EN