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I have a 520m karcher high pressure cleaner when turning it on it trips the electricty therefore I cannot start

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  • 402 Answers

Try turning the motor by hand somehow to c if u can free it then try again or possible bad capacitor??

Posted on Jan 04, 2014

6 Suggested Answers

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Posted on Jan 02, 2017

SOURCE: karcher 520m spill valve jammed

Clean the spill valve!

Posted on Aug 20, 2008

  • 92 Answers

SOURCE: Karcher 520M wont operate at high pressure

The solution is very simple. All you have to do is change the spill valve.
This because the spill valve is not worth servicing. The actual problem is that the spill valve is leaking from its bottom-part seating. When you close the gun, the spill valve goes down, opens from the underside, and switches the electricity off. When you press the gun, the spill valve returns to normal, and if the underside does not close, you have low presure, because the water keeps circulating.
Regards,
MG. (Karcher service engineer).

Posted on Nov 04, 2008

  • 46 Answers

SOURCE: karcher 520m oil leak

small engine shop should be able to obtain the proper gasket for you.....oil 20 weight fill untill you can see it at the bottom of the threads at the whole you pour it into!

Posted on May 25, 2009

  • 72 Answers

SOURCE: Cant change the high pressure hose on a Karcher

On the Kärcher, you have a bayonet mount at the base of the tip end of the pistol grip. This is where you attach different types of nozzles and gadgets after having removed the existing sprayer tube. Just push in and turn a quarter of a turn, then you pull it off the pistol grip. The hose is possible to remove from the machine as well, an ordinary threaded mount but since you need the pistol grip to regulate on/off this is probably not what you want to do. If the telescopic wand is made by Kärcher it should be very easy to snap it into place just like when you removed the sprayer tube/nozzle. If the attachment was made to fit Alto washers there is an inexpensive adapter that works very well. Good luck!

Posted on Jun 03, 2009

  • 174 Answers

SOURCE: Karcher G 3000 BH Engine Pumping Problem

This may not be a motor problem. It sounds like your pump is not working properly and the motor is just following the pump. First thing to do is check for leaks in the pump, wand hose, gun etc. It may also be a blown water seal inside the pump.

Posted on Aug 18, 2009

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1 Answer

My Karcher MX720 pressure cleaner keeps tripping the mains power.


Jeff, the specs say it is 230 volt, 16 amp minimum, start up would be more, probably minimum 20 amp.or larger, check your manual. Are you using a small gage/ low capacity extension cord this could blow a breaker or may have an internal short have checked by a Karcher repair center. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
Any idea why my new 13 amp pressure washer is tripping 15 amp circuit...
http://www.garagejournal.com/forum/showthread.php?t=203916
http://www.electriciansforums.co.uk/electrical-forum-general-electrical-forum/54098-problem-pressure-washer.html

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Karcher professional hds 655 steam cleaner not much water pressure


If there is nothing wrong with the machine but you have lost power over the years you have been working it. It could be that the machine needs a new pump kit or/and change the pressure nozzle.
smaller issues could be that the pump isnt turned to high pressure or if you have an servo control on the gun that it is turned to low pressure instead of high pressure.

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1 Answer

Will not switch on karcher 520M, have changed fuse


You have to see if you are getting power to the switch with a volt meter you should be getting 110 volts.

Mar 20, 2011 | Karcher Garden

1 Answer

I have Karcher 520m and when you press the trigger you can hear what sounds like a relay engaging but there is no water pressure, then it will fire up and work, but next time you press the trigger the...


The issue you are having is with the unloader valve in the pump. Now with the 520m it is a little bit harder to repair than with more gasoline powered pressure washers but it can still be done. It would be easier if I could just send you a email of the breakdown on the machine. Send me a email to justin@wmpcs.com with the discription of the problem you are having.

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Before you start it up:
1. Disconnect the high pressure hose 2. Connect the water supply and turn on 3. Make sure water is flowing through the pump
Start the motor, run for about 10 seconds and then turn off.
Turn off the water supply, connect the high pressure hose, turn water back on, start the motor and away you go.

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1 Answer

Karcher 520m oil leak


small engine shop should be able to obtain the proper gasket for you.....oil 20 weight fill untill you can see it at the bottom of the threads at the whole you pour it into!

May 24, 2009 | Karcher 2500 PSI Pressure Washer

1 Answer

Karcher 520M wont operate at high pressure


The solution is very simple. All you have to do is change the spill valve.
This because the spill valve is not worth servicing. The actual problem is that the spill valve is leaking from its bottom-part seating. When you close the gun, the spill valve goes down, opens from the underside, and switches the electricity off. When you press the gun, the spill valve returns to normal, and if the underside does not close, you have low presure, because the water keeps circulating.
Regards,
MG. (Karcher service engineer).

May 05, 2008 | Karcher 2500 PSI Pressure Washer

1 Answer

Karcher 520M Pressure washer won't operate at high pressure


I had the same problem - good water inlet pressure, no output pressure, even though the lance and handle seemed to be clear and working find.
I found that the electrical switch wasn't being operated correctly by the spill valve and wasn't turning the motor on/off correctly.
Inside the plastic electrical box there is a small white device that presses against the micro switch assembly. Carefully adjust the allen screw perhaps 1/4 turn out or 1/4 turn in to obtain correct operation of the microswitch - you will hear the micro switch clicking in and out when re-assembled. I'm sure they must have a rig to check correct positioning of this screw in the factory!
Hope it helps - mine is working find now and saved me buying another!

May 05, 2008 | Karcher 2500 PSI Pressure Washer

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