Karcher HKF 50 E: Troubleshooting

English

 17 

Danger

Risk of accident while working on the unit!

During all tasks:



Remove voltage from and secure high 

pressure pump at the main switch.



Shut off the cleaning liquid supply.



Interior cleaners with electric drives: 

Pull out the mains plug.



Interior cleaners with compressed air 

drives: Shut off the compressed air sup-

ply.



Operator

Work designated with the sign “Opera-

tor” may only be carried out by persons 

who have been instructed in the safe 

operation and maintenance on the high 

pressure plant. 



Electricians

Only persons with a professional train-

ing in the electro-technical area.



Customer Service

Work designated with the sign “Custom-

er Service” may only be done by the fit-

ters of Kärcher Customer Service.

Maintenance schedule

Time

Activity

Performance

of whom

weekly or after 40 operat-

ing hours

Check the maintenance 

unit for compressed air.



Danger

Danger through compressed air. Shut off the compressed air 

supply and let existing compressed air escape from the main-

tenance unit prior to performing maintenance work.

– Drain the water from the water separator by opening the 

water drain screw, drain water and close water drain 

screw.

– Fill the proportional oiler with suitable lubrication oil by un-

screwing the reservoir and filling it with lubricating oil.

– For oil type refer to following table.

Operator

monthly or after 160 oper-

ating hours

Check screws for tight fit.

Check that all screws are fitted tightly.

Operator

Lubricating oil for compressed air 

maintenance unit (for HKF 50 P)

Festo spezial

Aral Vitam GF 32

Esso Nuto H 32

Mobil DTE 24

BP Energol HLP 32

Troubleshooting

Troubleshooting notes

Who may remedy faults?