Question about Karcher 2500 PSI Pressure Washer

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No pump pressure

Vr2522 2.2gpm excell 2500 IC2 pump technology starts fine no pressure?

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  • jtattoor Jun 07, 2009

    could lack of house pressure +leaky inlet hose have an effect like this on the pump.

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Sounds like the diaphragm in the pump unit has failed, the engine and the pump are two seperate things the engine only operates the pump but if the diaphragm is leaking or broken you wont get any pressure

Posted on May 23, 2009

  • allenjjwalto Jun 13, 2011

    How do you purchase parts or a replacement pump?

  • Anonymous Sep 07, 2015

    ebay

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http://www.grainger.com/Grainger/EXCELL-Assembly-Pump-6UZP8

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Pressure Washer Pump and Engine Stops Suddenly


The pump might be binding against the motor, causing the pump to overheat and temporarilly "seize up" and shut the engine off.
After cooling down for a brief period (5~10 mins) the engine can usually be re-started, but the overheating problem will keep coming back.

This happens when the pump either wasn't seated against the engine properly during it's initial instalation, or the pump housing wasn't machined properly and the PTO shaft is trying to drive the pump at a slight angle = excessive friction = overheating.

Try this:
1) Loosen the bolts that mount the pump to the engine just enough so that the pump can be wiggled slightly.
2) With the engine power switch in the "OFF" position, slowly pull the recoil starter rope so that the engine / pump completes about two revolutions. This helps to align the pump surface with the engine.
3) Lightly snug the pump mounting bolts in a criss-cross pattern, then slowly pull the recoil starter rope again to ensure that the pump isn't binding.
4) Finish tightening the pump mounting bolts in the criss-cross pattern (approx. 21 foot pounds torque).

The entire process should take you roughly about 10 mins from start to finish.

If this doesn't remedy your problem, then try running the engine for 20 mins with the pump COMPLETELY removed so as to isolate the components.

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99 dodge 2500 5.9 cummins fuel pressure at 3psi


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1 Answer

Car doesn't seem to get enough gas to engine


check pressure on fuel rail using propper fuel pressure gauge if its not to manufacturers specifications replace fuel pump if it is to manufacurers spec then replace fuel pressure regulator on the fuel rail thanks good luck with projects

Jun 26, 2008 | 1994 Hyundai Excel

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