Kärcher K 3.86 M Manual De Instrucciones página 16

Symptom
No detergent.
Garden hose connection
leaks.
Spray wand leaks.
Pump is noisy.
Water leaks from pump
(up to 10 drops per mi-
nute is permissible).
Oil Drip.
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Cause
Detergent suction tube not properly
connected to the machine.
Detergent is too thick.
Filter on detergent suction tube is
clogged.
Damaged or clogged detergent
suction tube.
Spray wand is in high pressure po-
sition.
Discharge nozzle is obstructed.
Loose fittings.
Missing/worn rubber washer.
Spray wand not properly attached.
Broken o-ring or plastic insert.
Pump is sucking air.
Loose fittings.
Water seals are damaged or worn.
Oil seals are damaged or worn.
Solution
Check connection.
Dilute detergent, for best results
use Kärcher detergent.
Run warm water through filter to re-
move debris.
Remove obstruction or replace de-
tergent suction 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 trig-
ger gun. Carefully press in against
the spring tension and twist into the
locked position.
Call service center.
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 service center.
Call service center.