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English
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Lock parking brake.
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Open rear engine panel
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Start the motor.
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Check level of dirt in the hydraulic oil fil-
ter.
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Clean or replace the hydraulic oil filter if
the pointer of the hdyraulic oil return
flow manometer is in the red area.
Only Kärcher Customer Service is author-
ised to carry out maintenance tasks on the
hydraulic unit.
Danger
Danger of scalding by boiling water! Let the
cooler cool down for at least 20 minutes.
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Open rear engine panel
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Raise the upper engine cover and pull it
out.
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Open the cooler pressure cap.
– The cooling water must each the lower
edge of the filling nozzle.
– The percentage of anti-frost agent in the
cooling water should not be more than
50%.
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Refill cooling water up to the lower edge
of the filling nozzle.
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Clean cooler lamella.
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Check cooler hoses and connections
and ensure that they are leak-proof.
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Clean the fan.
Note
Inspection must be carried out by a quali-
fied specialist.
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Open engine cover.
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Check gas connections, pipes and
evaporators using leak-search spray for
leaks.
Note
Leaks in the gas cylinder cause formation of
crusts or yellow frothy deposits on the gas
connections, pipes and evaporator. Con-
tact Kärcher Customer Service for mainte-
nance of the gas unit.
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Start the motor.
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Raise the waste container up to the
end-position.
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Switch off engine.
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Lock parking brake.
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Use the safety bar for emptying from a
height.
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Remove belts or cords from roller brush.
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Remove the safety bar.
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Start the motor.
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Lower the waste container up to the
end-position.
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Switch off engine.
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Unscrew the right side-panelling.
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Remove the folding splint of the panel.
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Remove panels.
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Remove the folding splint of the crank.
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Remove the crank.
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Pull out roller brush.
Installation position of roller brush in direc-
tion of travel
Note
When installing the new roller brush, en-
sure correct positioning of the bristle as-
sembly.
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Install new roller brush. The nuts of the
roller brush must be inserted on the
notches of the opposite crank.
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Align the notches of the crank to the
grooves of the roller brush and push the
crank.
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Insert the folding splint of the crank
through the hole and fold the ring
spring.
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Attach the panel.
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Insert the folding splint of the panel
through the hole and fold the ring
spring.
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Screw on side panel.
Check water cooler and maintain it.
Check gas pipes
Checking roller brush
Replacing roller brush