Kärcher KM 120/150 R D Manual page 33

Check air filter and replace, if necessary
 Open cover and secure it (Diag. 3).
KM 120/150 R G and R LPG:
KM 120/150 R D:
 Unscrew wing nut.
 Remove, check and clean filter car-
tridge.
 Use either a new or cleaned filter car-
tridge in the vacuum container.
 Screw on wing nut.
Clean and change spark plug (only KM
120/150 R G and R LPG)
 Open cover and secure it (Diag. 3).
 Remove spark-plug connector.
 Unscrew and clean spark plug.
 Screw in cleaned or new spark plug.
 Push on spark-plug connector.
Check and adjust fill level of hydraulic
fluid – sweeping hydraulics circuit
Note
The sweeper is equipped with 2 hydraulic
circuits.
Note
Drive in the waste container to check/ cor-
rect the filling status.
The cap with the oil dipstick is located in the
storage tank above the right rear wheel.
 Open cover and secure it (Diag. 3).
 Loosen screws (1).
 Remove panel (2).
 Open the lock with the oil dipstick (3).
 Check oil level using the oil dipstick.
Note
The oil level must lie between "MIN" and
"MAX".
 Top up hydraulic oil if necessary.
 Close container.
 Screw on panel.
Oil grade: see Technical Data
Check and adjust hydraulic fluid fill level
and change oil – axle drive circuit
Note
The sweeper is equipped with 2 hydraulic
circuits.
 (1) Checking fill level
 Raise waste container.
 Insert safety support into the piston rod
for the lifting cylinder and secure it.
 Check the fill level in the header tank.
Note
The oil level must lie between the "MAX"
mark and a distance of 2 cm above the
base of the tank.
Warning
This inspection may only be carried out
when the engine is cold.
 (2) Adjusting fill level
 Raise waste container.
 Insert safety support into the piston rod
for the lifting cylinder and secure it.
 Remove the lid of the container.
 If required, top up oil carefully.
 Close container.
Oil grade: see Technical Data
 (3) Changing oil
 Raise waste container.
 Insert safety support into the piston rod
for the lifting cylinder and secure it.
 Unscrew oil drain plug.
 Remove the lid of the container.
 Drain off oil.
 Screw in oil drain plug.
 Replenish oil.
 Close container.
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EN
Check oil filter/Check backflow pressure
 The oil filter needs to be cleaned or re-
placed if the manometer display is in
the red area.
Check side brush
 Park the sweeper on an even surface.
 Set programme switch to step 1 (driv-
ing). Side brushes lift up.
 Turn ignition key to "0" and remove it.
 Check side brush.
Note
The side brush floating mounting adjusts
the sweeping track as the bristles wear
down. The side brush must be replaced if it
becomes too worn.
Replacing side brush
 Park the sweeper on an even surface.
 Set programme switch to step 1 (driv-
ing). Side brushes lift up.
 Turn ignition key to "0" and remove it.
 Loosen 3 retaining nuts on underside.
 Clip side brush on to driver and screw
on.
Checking roller brush
 Park the sweeper on an even surface.
 Set programme switch to step 1 (driv-
ing). Roller brush is raised.
 Turn ignition key to "0" and remove it.
 Secure the machine with wheel
chock(s) to prevent it from rolling away.
 Lock parking brake.
 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.
 Park the sweeper on an even surface.
 Set programme switch to step 1 (driv-
ing). Roller brush is raised.
 Turn ignition key to "0" and remove it.
 Secure the machine with wheel
chock(s) to prevent it from rolling away.
 Lock parking brake.
 Open quick-release locks on the right-
hand side panel.
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