Frost Protection; Faults - Kärcher HD 901 B Bedienungsanleitung

Slowly fill in new oil until the "MAX" mark-
ing on the oil container.
Note
Air pockets must be able to leak out.
For oil type refer to technical specifica-
tions.
Carry out maintenance tasks to the engine
according to the specifications provided in
the operating instructions of the engine man-
ufacturer.
High pressure hose
Danger
Risk of injury!
Check the high pressure hose for dam-
ages (risk of bursting).
Please arrange for the immediate exchange
of a damaged high-pressure hose.

Frost protection

Warning
Risk of damage! Freezing water in the appli-
ance can destroy parts of the appliance.
Store the appliance in a heated room during
winter or empty it. During longer breaks in
operation, it is advisable to pump in anti-frost
agents into the appliance.
Drain water
Screw off water supply hose and high
pressure hose.
Operate device for max. 1 minute until
the pump and conduits are empty.
Flush device with anti-freeze agent
Note
Observe handling instructions of the anti-
freeze agent manufacturer.
Pump in conventional frost protection
agents through the appliance.
A certain corrosion protection is achieved
with this as well.
20
English
Motor

Faults

Appliance is not running
Follow operating instructions of the engine
manufacturer!
– Safety thermostat at the high pressure
pump has switched off the appliance af-
ter long period of cycle operation.
Allow the appliance to cool down; then
restart it. Refer section "Interrupting op-
eration".
Device is not building up pressure
– Operating speed of the engine is too low
Check operating speed of the engine (re-
fer to technical data).
– Nozzle is set to "CHEM"
Set nozzle to "High pressure".
– Nozzle is blocked/ washed out
Clean/ replace nozzle.
– Sieve in the water connection is dirty
Clean sieve.
– Air within the system
Appliance ventilation:
– Amount of water supply is too low.
Check water supply level (refer to techni-
cal data).
– Pipe inlets to pump are leaky or blocked
Check all inlet pipes to the pump.
Device leaks, water drips from the
bottom of the device.
– Pump leaky
Note
3 drops/minute are allowed.
With stronger leak, have device checked
by customer service.
Pump is vibrating
– Inlet pipes to the pump are leaky.
Check all inlet pipes to the pump.
– Air within the system
Appliance ventilation: