Maintenance Intervals; Maintenance Works; Troubleshooting - Kärcher HD 1050 B Originalbetriebsanleitung

Maintenance intervals

Daily
 Check the high pressure hose for dam-
ages (risk of bursting). Please arrange
for the immediate exchange of a dam-
aged high-pressure hose.
Weekly
 Check oil level.
Please contact Customer Service immedi-
ately if the oil is milky (water in oil).
Monthly
 Clean the sieve in the water connection.
 Clean filter at the detergent suck hose.
After 500 operating hours, at least annu-
ally
 Oil change.

Maintenance Works

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"
marking on the oil sight glass.
Note: Air pockets must be able to leak out.
For oil type refer to technical specifica-
tions.

Troubleshooting

Warning
Risk of injury if the machine is left running
in an unattended state. Remove the spark
plug before doing any work on the appli-
ance.
Risk of burns! Do not touch hot silencers,
cylinders or radiator ribs.
Appliance is not running
Follow operating instructions of the engine
manufacturer!
18
Device is not building up pressure
Operating speed of the engine is too
–
low
 Check operating speed of the engine
(refer to technical data).
Nozzle is set to "CHEM"
–
 Set nozzle to "High pressure".
Nozzle is blocked/ washed out
–
 Clean/ replace nozzle.
Filter at the water connection is dirty
–
 Clean filter.
Air within the system
–
 Appliance ventilation:
Amount of water supply is too low.
–
 Check water supply level (refer to tech-
nical 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:
– 7
EN