Having problems with your Karcher PSI Electric Pressure Washer ?

I can use my Karcher K3 jet wash as long as i hold trigger down

\015 I can use my Karcher K3 jet wash as long as i keep trigger depressed ,as soon as i release it the hose pops off the jet wash end..is there a pressure stop valve some where that needs cleaning out . ? \015\012No to sure if that is the total correct model as it is one made exclusivly for B&Q ,as i found out when i contacted karcher re intructions,is is a K3 but with higher pressure ,there is nothing after the K3\015

Answers :

I had this with mine; high pressure hose wouldn't click into the quick release connector. Both ends of the hose were the same, but infuriatingly they would both click and lock into the hand set. Thinking the connector on the sprayer body was faulty I bought another from an Ebay seller of Karcher spares, but this was the same. Contacted the seller who said it's a common problem with the hose. The black plastic bit works down over the brass end so it can't go far enough into the connector. Told me to clamp the brass bit in a vice (careful not to damage it) and pull back the black plastic section to expose more of the brass bit. Did this last night and it works a treat!
\012Alternatively complain to Karcher and they may just send you a replacement hose (so now I have 2 hoses and 2 connectors)
Most pressure washers have ball lock type fittings on the hose connections. What happens is the little steel balls get a bit of corrosion and do not lock the male fitting properly with the female coupling. Load up the fitting with some Oil or WD 40. Then connect and disconnect the fitting several times to losen up the balls and springs. Should the spring in the coupling break you will get the exact symptom your describing.
\015\012
\015\012If the OIL / WD 40 does not do the trick then you may have to change out the quick disconnect coupling.
\015\012
\015\012Kelly
Repair Help & Product Troubleshooting for Karcher PSI Electric Pressure Washer

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Suggested Questions/Answers :

I can use my Karcher K3 jet wash as long as i hold trigger down


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