Hi, i have borrowed a karcher k2.960 and have been busy cleaning patio and drive, has done a fantastic job, but before i had time to finish it died, have checked fuses, left it for a few hours and tried again, but no power. Is there anything else i can try or do i need to buy my friend a new one!
Hi. you will need to go inside the machine to have a look, but it might just be a micro switch on the bypass valve stuck.
you can not miss it, there is a wire going to it, just unclip and check with a meter when pressing the little switch in and out.
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dirty carb , clean carb, install a fuel cut off valve ( or start using it if you already have one) when you are done washing, turn off the fuel valve and continue spraying water until the engine stops. That will empty the carburetor bowl and the carb will stay clean until you want to use it again.
Squiggly lines are sign of nozzles being partially clogged. Try using a needle to clear nozzles. You will need to remove the nozzles to do this. When re-installing the nozzles make sure they are in line with the pressure bar.
Hi and welcome to FixYa, I am Kelly/
First off, remove the water supply hose from the power washer and locate the in line filter. Most of them are a plastic screen stuffed into the plumbing just behind the hose washer. Others have a short stand off and the filter / screen may be where the stand off attaches to the pressure washer. Others units have in in line sump that usually has a blue or red cap that you remove to clean the sump. Find the filtering mechanism(s) and clean it.
After doing this... attach the water hose loose to the power washer and turn on the water supply hose. Wait for all of the air to purge from the water supply hose. Then tighten the water supply hose. After that... Squeeze the wand trigger until all the air purges out of the high pressure hose and you get a solid stream of water with the unit off. Once you get a solid stream of water with the unit off... power the unit up and see if the high pressure hose becomes rigid / charges with high pressure. Next.... cycle the wand trigger 1 second on... and then wait for the hose to charge again. Do this multiple times. What your doing is forcing the un-loader / relief valve to stroke in the pump. Until the un-loader valve stokes un-restricted; you will have pressure problems. Next after the hose is fully charged... cycle the wand trigger very rapidly until you get high pressure each time you cycle the wand trigger. At this point your done and can proceed with patio cleaning.
Should this NOT resolve your problem.... get as much water out if it as you possibly can and pour a few ounces of engine oil into the water inlet. (Easier said than done... but you have to get oil into the pump and then let it sit over night. once you have oil in the pump pull the recoil 2 times with the ignition off just to force oil through the pump)
The next day you go through the same routine as stated above. This brings about 80% of the stubborn ones back to life again. Should it still be fussy after doing all of the above... you will have to replace the unload-er valve. If you removed the un-loader valve for any reason... you must clean out the pump housing and lubricate it and the un-loader valve with white grease (<-Available at any automotive parts source) BEFORE reinserting either the old one or a replacement un-loader valve. If you attempt to use the old one with lubrication.. make sure to remove any debris from the springs and wipe the seals clean with a PAPER towel before lubrication.
The nozzle on the end of the wand either twists or pulls out to get you into soap mode, the liquid you have in the tank come out real slow, it does not come out with the high speed nozzle. The idea is to soak the job with detergent, then blast it off with the high pressure water. Hope this helps.
The problem is that the spill valve got stuck. When the machine is working and the gun is closed, a valve( spill valve) moves with the accumilated pressure and switches the machine off. So what happened is that when the spill valve did its job, it found no water...and remained stuck. This leaving the machine in an off position. Service and lubrication to the spill valve must be done or completely replacing with a new spill valve. In my opinion you have no serious damage, but this job must be carried out by an expirienced technician.