Kärcher MC 50 Mode D'emploi page 65

1 Pump lever
 Press the pump lever down several times until the fuel
system is ventilated.
 Start the motor.
 If the engine does not start, repeat the ventilation pro-
cess.
10.5.20 Check the air filter
1 Change air filter indicator
 If the ventilation display is red, the air filter insert must
be replaced.
10.5.21 Cleaning and replacing the air filter
1 Screw
2 Clip
3 Air filter housing
 Unscrew the screw.
 Slide the air filter in and remove it toward the bottom.
 Loosen the clamps.
 Open the air filter casing.
1 Air filter insert
2 Pre-filter
3 Clip
 Remove pre-filter.
Leave the air filter insert in place and thus prevent the
dust from entering the engine when cleaning the prefil-
ter.
 Carefully blow out the prefilter from the inside to the
outside with compressed air (0.3...0.5 MPa).
 If the prefilter does not become clean or if the prefilter
is damaged, use a new prefilter.
 Clean the interior of the air filter reservoir.
 Replace air filter insert if necessary.
 Reassemble air filter in the reverse sequence.
 Press the key of the air filter display to reset the display.
10.5.22 Flush the water circulation system
(option)
 Disconnect the hose coupling of water circulation sys-
tem.
 Connect the water supply hose to the water circulation
system and flush it.
 When flushing the end toward the suction pipe, set the
irrigation switch to water circulation system.
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EN 65