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  • 3000 pressure washer 2.6

    need help with pressure washer. attach water hose, turn on water, am able to get spray through wand. start engine water pressure through wand goes to zero. What could be wrong?

  • #2
    Re: 3000 pressure washer 2.6

    has to be an unloader valve stuck in the bypass position.

    rick.
    phoebe it is

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    • #3
      Re: 3000 pressure washer 2.6

      Could be the unloader valve but you could also have air in the line. You should always run the water through the pump, hose, wand and nozzle until all the air is purged first before starting the engine. The pump can't deal with air in the water, It can give you this sort of trouble. good luck.

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      • #4
        Re: 3000 pressure washer 2.6

        The AR pumps used on the RD80746 are notorious for deteriorated o-rings in the unloader valve. Especially if bleach or high-alkaline detergents have been used with the injector. Bleach or high-alkaline detergents can also cause corrosion to clog the outlet orifice. Take it to your local ASC unless you or someone you know is very familiar with pressure pumps.
        "HONK if you've never seen a gun fired from a moving Harley"

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