Question about Karcher Garden
Posted by Anonymous on
Some gun and wand pieces may be interchangeable among different brands. Like lawn mowers, even though there are quite a few different brands/labels, they are made in the same factory.
Posted on Apr 10, 2015
Doubtful but try it you will soon know or not
Posted on Apr 10, 2015
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Posted on Jan 02, 2017
SOURCE: Karcher pistol gun has broken
Make sure you DO NOT have a check valve (this is what stops your hose running when you disconnect from the hozelock fitting) in your hose pipe system, This will send a shockwave through the pressure washer and destroy the fitting you mentioned. They can be easily removed.
Posted on Jul 25, 2009
The valve that admits more water to be compressed is stuck. It is likely the O-Rings on it need replacing. No water to the pump, no pressure!
The motor will stop when pressure is up to the designed pressure.
Posted on Oct 03, 2009
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.
Thanks for choosing FixYa,
Posted on Apr 17, 2011
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