Question about Karcher 2500 PSI Pressure Washer
I bought at garage sale guy said it wasn't running because of bad fuel. but my problem seem to be just getting it to turn.it is imposible with starting rope i used a breaker bar a got it turning but nut enough so that i could start it with the rope start.it is a honda moter
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Posted on Jan 02, 2017
One simple thing you can do, is to check for leaks. Check if hose at machine is leaking. Check gun if it is leaking. You can also check if water still comes out of lance nozzel. These leaks however so small, will cause the machine to surge.
Another reason is due to a faulty SPILL VALVE. This spill valve( often called CONTROL VALVE) will contract when the gun is closed. When it contracts under the enclosed pressure it will switch off the machine by means of a Micro Switch. Now if this Spill valve is faulty it will loose its compression under pressure and puts on the micro switch again. This can be seen once in a while or more frequent, as in your case. I sometimes do service Spill Valves, but mostly I replace them with a new one. I do not know the model number of your machine, but normally you have to open the cover and you should spot the spill valve on the head. Most probably you see a thick wire or a cap containing the micro swith. If you find the micro switch, you have found the spill valve. Sometimes it is a bit hard to pull out the spill valve. Myself, in various Karcher models I remove the spill valve by trying to feed water and put on a bit the machine. In this way the spill valve will be spitted out.
Another reason which makes your machine surge, is leakage from from the detergent inlet.
If you do not see no leakages at all....then for sure it is the SPILL VALVE.
If you cannot do this job yourself or you do not find spare parts...you can continue using the machine as it is...but before closing the gun...switch off the electricity. I only recommend this in an emergency. You do this so that you do not leave the machine surging. This surge will for sure damage the electric motor and the capacitor (assuming it is single phase).
Posted on May 30, 2009
well for starters if you let it sit all winter you the pump probably froz up and you might be able to get it un jamed by pouring in oil (any kind) in the hose inlet and let sit one night the try starting
Posted on Jun 03, 2009
SOURCE: I don't get a constant
Make sure that while you are running your pressure washer, other machines that pull
large volumes of water like a dishwasher or washing machine are not running. check and make sure
the hose you have tied to the pressure washer is not collapsing or has any kinks in it.
check the filter where your water hose ties in to your pressure washer, make sure it
is clean and does not have any debris or hardwater buildup, clean the tip at the tip of
the wand. if it is reduced in size by hardwater buildup, will not work properly, good luck!
Posted on Jul 12, 2011
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