Question about Karcher K5.85MPLUS 1,850 PSI 1.5 GPM Electric Pressure Washer

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What oil should I use in my karcher pressure washer model number k3.80.?

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 313 Answers

SOURCE: Water is pouring out of

seal or oring problem.see www.pressureparts.com for parts etc

Posted on Jul 08, 2008

  • 92 Answers

SOURCE: trouble with Karcher Pressure washer

Dear Pgarciax,
It is important that you must have mentioned the model number of your Karcher. Just the same I can surely say that your machine's fault lies in the "SPILL VALVE"
When the gun is open and pressure is being produced, the spill valve is in a relaxed position. Also it has at the bottom a valve, which when pressure is produced it is closed. If this does not close due to dirt or corrosion, the pessure goes down. Now when you close the gun,pressure forces the spill valve down to close the electrical system. Now if the "o" rings of the spill valve are damaged, the machine will start going on and off while in stand-by. So if you know how to locate the Spill Valve, all one has to do is change it with a new one.
In some Karcher machines there are 2 spill valves. One regulates pressure and the other one is for switching off the machine when the gun is closed.
Low pressure could also be due to faulty suction or delivery valves. Most probably the suction valves.
But when saying that there are short interruptions while in stand by, I stick to the fact that the spill valve needs renewing.
Regards,
MG.

Posted on Nov 19, 2008

  • 1 Answer

SOURCE: my karcher pressure washer has lost its water power

I have the same problem. With mine I have to remove the tip that I am using then pull the trigger and then replace the tip and pull and pressure should return. I believe that one of my valves is sticking causing me to reprime the pump frequently. I am trying to clean or replace my valves to fix the problem.

I hope this helps.

Posted on Apr 25, 2009

  • 2 Answers

SOURCE: Karcher K 2400 HH Pressure Washer no pressure

http://www.landanorthwest.com/documents/instructional/spill_valve_instructions.pdf

Posted on Jun 05, 2009

  • 174 Answers

SOURCE: My 2200 Gc Karcher pressure washer oil got mixed

If you are talking about the oil in the pump then it should be 10W30 but must be NON DETERGENT. Remember the reservoir should only be 1/3 full

Posted on Aug 09, 2009

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