Question about Karcher G 2600 VH Gas Pressure Washer

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My Karcher, Powered by Honda, High Pressure Spray Cleaner, 2600 PSI, will not pump high pressure. It has a "G 2600 VH" pump

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Posted on Jan 02, 2017

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  • 389 Answers

SOURCE: I was using the pressure washer and it stopped

This problem, where the unit continually switches on and off when the handgun is closed, is quite common. Unfortunately it has at least six different possible causes, only two of which are easily checked. 
The first thing you can do is look for leaks.  Even the slightest leak will cause this pulsing because the unit gets up to pressure, switches off, loses pressure, switches back on again, comes back up to pressure, switches off... and so on.  This repeated switching is not good for the motor and should not be allowed to continue for longer than necessary to observe what's happening.
So... 1. Does the handgun shut off completely, or does it drip? If it drips, it may simply be because a seal has failed. The handgun can be dismantled, checked, and any defective parts replaced; be sure to lubricate O-rings with silicone grease when reassembling. As a last resort, the whole gun may need to be replaced.
2. Are there any visible leaks at the high-pressure hose screw connections?  If so, most likely an O-ring needs replacing - again lubricate the new one well with silicone grease.
3. If there are no visible leaks, either from the gun or from the connections, all other possible causes are internal within the cylinder head or control head of the pump. New parts will be needed and this normally calls for a professional repair, although it's not beyond the scope of a truly competent amateur.
I hope this helps. Any further questions, just ask! Please remember to rate this response.

Posted on Apr 17, 2009

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SOURCE: karcher 2600 psi pressure washer wont stay running

Remove and clean the carburator. Sound line a stuck needle on the float. 

Posted on Apr 22, 2009

  • 104 Answers

SOURCE: My Karcher high pressure sprayer is delivering intermitant pressure.Every 15 seconds or so it developes high pressure for only about two seconds. Why is it not delivering a constant high pressure stre

Check that the water supply is constant , it sounds like the pump might be pushing out more water than can be delivered , or it could be a dirty inlet filter

Posted on May 23, 2009

  • 548 Answers

SOURCE: I have a 3000 psi karcher pressure washer with

sounds like you need a seal and bladder rebuild < if you liver in a cold environmet for winters please dont forget to winterize your washres every year before winter

Posted on Sep 15, 2009

  • 61 Answers

SOURCE: troy bilt pressure washer will not build or reach high pressure

check the non-return valves in the pump block. if these are damaged or dirty you pressure will be greatly reduced. they are located behind the 3 lage brass hexagonal caps.

I hope this helps

Posted on Sep 20, 2009

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