Karcher HD 4-5-32-4 S Eb - Manual (Page 13)

English Operating Instructions
13
Pump is leaky
„ Three drops per minute are allowable
and can appear on the underside of the
unit. Seek the help of Customer Service
if leaks are more serious.
Pump makes a knocking noise
„ Check all supply lines as well as the de-
tergent system for leaks.
„ Evacuate air from the cleaner (see
Switching on the unit).
„ Clean the fine filter.
„ Seek the help of Customer Service if
necessary.
Detergent is not being drawn in
„ Set nozzle to "Chem".
„ Check detergent suction hose with filter
for leaks or obstructions and clean it if
necessary.
„ Clean/renew non-return valve in deter-
gent suction-hose connection.
„ Open detergent metering valve or check
it for leaks/remove obstruction. Also
clean the venting orifice in the housing.
„ Seek the help of Customer Service if
necessary.
Spare parts
You will find a list of spare parts at the end
of these operating instructions.
Warranty
The warranty terms issued by our author-
ised marketing company are valid in every
country. We remedy any fault in the unit
free of charge within the warranty period
providing the cause of the fault proves to be
a material or manufacturing error.
The warranty only becomes operative
when your dealer has completed the reply
card accompanying the sale of the unit, has
stamped and signed it and you have then
sent the reply card to the marketing compa-
ny in your country.
Should you wish to call upon the guarantee,
please apply to your dealer or nearest au-
thorised Customer Service centre taking
along also the accessories and bill of sale.