High-Pressure Pump; Frost Protection; Troubleshooting - Kärcher 1.810 Serie Betriebsanleitung

High-pressure pump

Oil change:
Ready a catch bin for appr. 1 Liter oil.
Turn out the oil drain screw.
Drain the oil in a collection basin.
Dispose of old oil ecologically or turn it in
at a collection point.
Turn out the oil drain screw.
Slowly fill in new oil until the "MAX" mark-
ing on the oil dipstick.
Note
Air pockets must be able to leak out.
For oil type refer to technical specifica-
tions.
Motor
Carry out maintenance tasks to the engine
according to the specifications provided in
the operating instructions of the engine man-
ufacturer.

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.
Check the tyre pressure
Park the machine 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 max. 1.5 bar.

Troubleshooting

Appliance is not running
Follow operating instructions of the engine
manufacturer!
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).
– Wrong nozzle
Check nozzle for correct size (see tech-
nical specifications).
– Nozzle is blocked/ washed out
Clean/ replace nozzle.
– Sieve in the water connection is dirty
Clean sieve.
– Fine filter is dirty
Clean the fine filter.
– 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.
High pressure side is leaky
– Pump leaky
Note
3 drops/minute are allowed.
With stronger leak, have device checked
by customer service.
High pressure pump is vibrating
– Inlet pipes to the pump are leaky.
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