Karcher HD 9-50-4 - Manual (Page 21)

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– Do not transport any articles on the ap-
pliance during the lifting process.
– The appliance must only be transported
by properly trained crane personnel.
– Do stand stand below the load.
– Ensure that no persons are present in
the immediate vicinity of the crane.
– Do not leave the appliance on the crane
unattended.
 Check all screws of the appliance for
tightness; retighten if necessary.
When transporting in vehicles, secure the
appliance according to the guidelines from
slipping and tipping over.
Caution
Risk of injury and damage! Note the weight
of the appliance in case of storage.
This appliance must only be stored in inte-
rior rooms.
ƽ
Risk of injury
Always switch off the appliance and pull out
the mains plug before care and mainte-
nance work.
You can sign with your dealer a contract for
regular safety inspection or even sign a
maintenance contract.
Please take advice on this matter.
 Check mains cable.
The mains cable should not have been
damaged (risk of electrical shock). A
damaged mains cable must be re-
placed immediately by an authorised
Customer Service Engineer or an elec-
trician.
 Check the high pressure hose for dam-
ages (risk of bursting).
Please arrange for the immediate ex-
change of a damaged high-pressure
hose.
 Check oil level from the oil level display
of the high pressure pump.
Please contact Customer Service im-
mediately if the oil is milky (water in oil).
 Check appliance (pump) for leaks.
3 drops per minute are permitted and
can come out from the lower side of the
appliance. Call Customer Service if
there is heavy leakage.
 Clean filter at the water connection.
 Check tire pressure of wheels (refer to
"Specifications").
 Change oil in the pump.
Change the oil in the high pressure pump.

For oil type refer to technical specifica-
tions.
 Turn out the oil drain screw.
 Drain the oil in a collection basin.
 Screw in oil drain plug.
 Fill in new oil slowly until the centre of
the oil level display.
Note
Air pockets must be able to leak out.
You can rectify minor faults yourself with
the help of the following overview.
If in doubt, please consult the authorized
customer service.
ƽ
Risk of injury
Always switch off the appliance and pull out
the mains plug before care and mainte-
nance work.
ƽ
Warning
Repair works may only be performed by the
authorized customer service.
Safety check
When transporting in vehicles
Storing the device
Maintenance and care
Maintenance
Safety inspection/ maintenance contract
Before each use
Weekly
After 50 operating hours
monthly or after 500 operating hours
Troubleshooting
21 EN