Karcher KM 120-150 R D - Manual (Page 33)

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 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.
 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.
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
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.
ṇ
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.
 The oil filter needs to be cleaned or re-
placed if the manometer display is in
the red area.
 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.
 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.
 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.
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.
Check air filter and replace, if necessary
Clean and change spark plug (only KM
120/150 R G and R LPG)
Check and adjust fill level of hydraulic
fluid – sweeping hydraulics circuit
Check and adjust hydraulic fluid fill level
and change oil – axle drive circuit
Check oil filter/Check backflow pressure
Check side brush
Replacing side brush
Checking roller brush
Replacing roller brush
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