Karcher K 3.68 M manual Symptom, Cause, Solution, Kärcher Customer Support USA

Symptom	Cause	Solution
No detergent.	Detergent suction tube not	Check connection.
	properly connected to the
	machine.
	Detergent is too thick.	Dilute detergent, for best re-
		sults use Kärcher detergent.
	Filter on detergent suction	Run warm water through filter
	tube is clogged.	to remove debris.
	Damaged or clogged	Remove obstruction or replace
	detergent suction tube.	detergent suction tube.
	Spray wand is in high	Turn spray wand tip to low
	pressure position.	pressure position.
	Discharge nozzle is	Blow out or remove debris with
	obstructed.	fine needle.
Garden hose con-	Loose fittings.	Tighten fittings.
nection leaks.
	Missing/worn rubber washer.	Insert new washer.
Spray wand leaks.	Spray wand not properly	Insert the spray wand into the
	attached.	trigger gun. Carefully press in
		against the spring tension and
		twist into the locked position.
	Broken o-ring or plastic	Call Customer Support
	insert.
Pump is noisy.	Pump is sucking air.	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.
Water leaks from	Loose fittings.	Check that all fittings are tight.
pump (up to 10
	Water seals are damaged or	Call Customer Support
drops per minute is	worn.
permissible).
Oil Drip.	Oil seals are damaged or	Call Customer Support
	worn.

Kärcher Customer Support USA

Call: 1-800-537-4129for help or visit our website: www.karcher-usa.com/home

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Mexico

Call: 01-800-024-13-13for help or visit our

website: www.karcher.com.mx

Kärcher Customer Service CDN

Call: 1-800-465-4980for help or visit our

website: www.karcher-canada.com

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