Kärcher KM 75/40 W G Manual page 17

 Switch off the appliance prior to clean-
ing and performing any maintenance
tasks or replacing parts.
Check engine oil level and top up, if
required
Danger
Risk of burns!
 Allow engine to cool down.
 Wait for at least 5 minutes after switch-
ing off the engine before checking the
engine oil fill level.
 Open the device hood.
 Unscrew and withdraw oil dipstick.
 Wipe off oil dipstick and screw it in.
 Unscrew and withdraw oil dipstick.
 Read the value of the oil level.
– The oil level must lie between "MIN"
and "MAX" marking.
– Add motor oil if the oil level is below the
"MIN" marking.
– Do not fill oil above the "MAX" marking.
 Fill motor oil into the oil fill neck.
Oil grade: see Technical Data
 Reinsert the oil dipstick.
 Wait at least 5 minutes.
 Check engine oil level.
Change the engine oil
Danger
Risk of burns due to hot oil!
 Allow engine to cool down.
 Open the device hood.
 Unscrew and withdraw oil dipstick.
 Draw off engine oil via the oil filler neck
using 6.491-538 oil-change pump.
 Fill motor oil into the oil fill neck.
Oil grade: see Technical Data
 Reinsert the oil dipstick.
 Wait at least 5 minutes.
 Check engine oil level.
Change the air filter
 Remove covering lid.
 Take out the filter inlay.
 Insert a new filter insert.
The filter lamella must point into the di-
rection of the locking cap.
 Attach the locking cap.
Clean or replace the spark plug
 Remove spark-plug connector.
 Unscrew and clean spark plug.
 Screw in cleaned or new spark plug.
 Push on spark-plug connector.
Empty fuel tank
 Open the device hood.
 Close the fuel supply.
Turn the rotating knob perpendicular to
the fuel tap.
 Press together the fuel hose from the
tank to the fuel tap.
 Loosen the hose clamp on the fuel tap.
 Remove the fuel hose.
 Open fuel filler cap.
 Hold the fuel hose over a suitable catch
bin and drain the fuel.
 If the tank is empty, reattach the fuel
hose to the stub of the fuel tap and in-
stall the hose clamp.
Adjust the Bowden cable of the
acceleration drive
This must be adjusted if the drive perfor-
mance of the appliance becomes insuffi-
cient when driving uphill.
 Loosen counter-nut.
 Adjust the adjustment screw.
 Tighten the counter-nut.
Checking roller brush
 Lock parking brake.
 Remove the waste container.
 Remove belts or cords from roller
brush.
Replacing roller brush
Replacement is due if a visible deteriora-
tion in sweeping performance caused by
bristle wear is evident.
6
-
EN
NOTICE
– The appliance may only be tilted back-
wards if the fuel tank is empty.
– Close the fuel tap, remove the waste
container and move the pushing handle
to the front prior to tilting the appliance.
Do not rest the appliance on the push-
ing handle.
 Lock parking brake.
 Close fuel cock.
 Remove the waste container.
 Tilt the appliance rearward.
 Lift the waste flap, press in the bearing
cap and swivel the roller brush toward
the front.
 Pull out roller brush.
 Attach the new roller brush to the drive
pin (left).
 Engage the bearing cup into the boring
of the roller brush swinging arm on the
opposite side.
WARNING
Risk of damage! Make sure that no bristles
are jammed into the boring of the roller
brush swinging arm.
NOTICE
Once the new roller brush has been in-
stalled, the sweeping track must readjust-
ed.
Check and adjust roller brush sweeping
track
 Raise the sweeper from the front and
drive it on to a smooth, even surface
covered with a visible layer of dust or
chalk.
 Lock parking brake.
 Let the sweeping roller rotate for ap-
prox. 15-30 seconds.
 Raise the sweeper at the front and drive
it towards the side.
The sweeping track should have an even
rectangular shape which is between 30 and
40 mm wide.
Setting range
Minimum sweeping track
Maximum sweeping track
New roller brush
(-) 1...10 (+)
1
10
1...3
17