Kärcher K 5.720 Operator's Manual page 18

Issue
No detergent.
Garden hose
connection leaks.
Spray wand leaks. Spray wand not properly
Pump is noisy.
Water leaks from
pump (up to 10
drops per minute
is permissible).
Oil drip.
If you encounter any additional difficulties not listed, please visit our website.
USA / Canada:
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18 English
Cause
Detergent siphon tube not
properly connected to the
machine.
Detergent is too thick.
Filter on detergent siphon tube
is clogged.
Damaged or clogged detergent
siphon tube.
Spray wand is in high pressure
position.
Discharge nozzle is
obstructed.
Loose fittings.
Missing/worn rubber washer.
attached.
Broken o-ring or plastic insert. Call Customer Support
Pump is sucking air.
Loose fittings.
Water seals are damaged or
worn.
Oil seals are damaged or worn. Call Customer Support
Solution
Check connection.
Dilute detergent, for best re-
sults use Kärcher detergent.
Run warm water through filter
to remove debris.
Remove obstruction or replace
detergent siphon tube.
Turn spray wand tip to low
pressure position.
Blow out or remove debris with
fine needle.
Tighten fittings.
Insert new washer.
Insert the spray wand into the
trigger gun. Carefully press in
against the spring tension and
twist into the locked position.
Check that hoses and fittings
are air tight. Turn off machine
and purge pump by squeezing
trigger gun until a steady flow
of water emerges through the
nozzle.
Check that all fittings are tight.
Call Customer Support
Mexico:
www.karcher.com.mx