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Hawk pto washer woes

  • 23-07-2022 7:16pm
    Registered Users Posts: 278 ✭✭


    I have an old hawk pto power washer couldn’t tell you which model. I have a new turbo head and lance fitted and was working fine until today it suddenly lost pressure.

    Anyone know how to check if the unloader valve is faulty?

    i see it moves up when I press the trigger and then it goes down when you release the trigger but I hear what sounds like air coming out of the unloader valve when I keep the trigger pressed on the lance. Some water is coming out of the turbo head but not enough to work the turbo head.

    Anyone had similar problems ?

    the suction hose line going into the icb tank is fine as I see a good flow of water returning when trigger is not pressed

    Any good sites for buying replacement parts ? A quick Google gives fox’

    thanks for reading


  • Registered Users Posts: 1,385 ✭✭✭50HX

    Ring Ca galvin in tralee, they'll sort you


  • Registered Users Posts: 1,995 ✭✭✭Who2

    I’ve a hawk washer too and it’s very temperamental with dirt on the filter or in the gauze in the pump,

  • Registered Users Posts: 4,327 ✭✭✭White Clover

    I used get problems with the gauze blocking in the pump after I bought the washer 2nd hand about 15 years ago. I haven’t had to go near it in the last 10 or 12 years. I wonder has the op a build up of lime or gunk in the internals of the pump?

  • Registered Users Posts: 2,752 ✭✭✭SuperTortoise

    Have you checked the filter on the inlet pipe?

  • Registered Users Posts: 278 ✭✭westlander

    Yes the filter that sucks up the water and the little gauge filter in near the pump side are 100%.

    Tbh I might have to bring it to some experienced fella you would be a bit reluctant to throw parts at it they don’t be long adding up.

    on a side note I see hawk pumps on sale for about 800 euro new in you would be tempted !!

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  • Registered Users Posts: 875 ✭✭✭The Nutty M

    Could be something as small as a piece of crap in the valves. A valve not seated correctly will give you a loss of pressure. Easy enough to screw out and check for a small bit of crud.

    Better start with the basics.

  • Registered Users Posts: 2,752 ✭✭✭SuperTortoise

    I got mine serviced at EPS in Ballyhaunis a few years back, sound to deal with, it was something simple that was gone in mine, they replaced for a few euro, running perfect since.