Karcher KM 120-150 R D - Manual (Page 14)

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 Check gas filter in the screw to gas cyl-
inder to see if it is dirty.
 Clean dirty filters with compressed air.
Note
Inspection must be carried out by a quali-
fied specialist.

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.
Contact Kärcher Customer Service for
maintenance of the gas unit.
 Park the sweeper on an even surface.
 Connect air pressure testing device to
tyre valve.
 Check air pressure and adjust if re-
quired.
 Set air pressure for the front and rear
tyres at 6 bar.
ƽ Danger
Risk of injury!

Park the sweeper on an even surface.
 Remove ignition key.
 When carrying out repairs on public
highways, wear warning clothing when
working close to passing traffic.
 Check stability of ground. Also secure
the machine with wheel chock(s) to pre-
vent it rolling away.
 Lock parking brake.
Check tyres

Check tyre contact face for foreign ob-
jects.
 Remove objects found.
 Use suitable, commercially available
materials to carry out tyre repairs.
Note
Observe the manufacturer's recommenda-
tions. The journey may be resumed provid-
ing that the directions supplied by the
product manufacturer have been observed.
The tyre/wheel change should nonetheless
be carried out as soon as possible.

Open quick-release locks on the rele-
vant side panel.
 Remove side panel.
 Loosen wheel nuts.
 Position vehicle jack at the appropriate
mounting point for the front or rear
wheel.
 Raise machine using vehicle jack.
 Remove wheel nuts.
 Remove wheel.
 Mount spare wheel.
 Screw on wheel nuts.
 Lower machine using vehicle jack.
 Tighten wheel nuts.
 Screw on side panel.
Note
Use a suitable commercially available vehi-
cle jack.
ṇ
Warning (only KM 120/150 R G and R
LPG)
The engine is equipped with an oil deficien-
cy switch. When the fill level is insufficient,
the engine switches off and can only be re-
started once the engine oil has been re-
plenished.
ƽ
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 cover and secure it (Diag. 3).
KM 120/150 R G and R LPG:
KM 120/150 R D:
 Pull out oil dipstick.
 Wipe off oil dipstick and insert.
 Pull out oil dipstick.
Note
Oil must be present on at least one third of
the oil dipstick. If the oil level is less than
this, top up engine oil until it reaches the
lower edge of the filler opening.

Only KM 120/150 R G and R LPG: Dis-
mantle the extension piece at the oil fill-
er opening.
 Top up engine oil using 6.491-538 oil-
change pump.
 Only KM 120/150 R G and R LPG: In-
stall the extension piece at the oil filler
opening.
 Close oil filler opening.
 Wait at least 5 minutes.
 Check engine oil level.
Oil grade: see Technical Data
 Pull out oil dipstick.
 Only KM 120/150 R G and R LPG: Dis-
mantle the extension piece at the oil fill-
er opening.
 Suck off engine oil using 6.491-538 oil-
change pump.
 Fill in new engine oil using 6.491-538
oil-change pump.
Oil grade: see Technical Data

Only KM 120/150 R G and R LPG: In-
stall the extension piece at the oil filler
opening.
 Close oil filler opening.
 Wait at least 5 minutes.
 Check engine oil level.
Only KM 120/150 R G and R LPG: The mo-
tor oil can be drained via a hose.
ƽ
Danger
Risk of burns due to hot oil!

Ready a catch bin for appr. 1.5 litre oil.
 Allow engine to cool down.
 Open quick-release locks on the left-
hand side panel.
 Remove side panel.
 Remove the oil drain hose from the
holder.
 Unscrew oil drain plug.
 Pull out oil dipstick.
 Drain off oil.
 Screw in oil drain plug.
 Insert the oil drain hose in the holder.
Check gas filter (only KM 120/150 R LPG)
Check gas connections (only KM 120/
150 R LPG)
Check the tyre pressure
Replacing wheel
Check engine oil level and top up, if re-
quired
Change the engine oil
14 EN