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R58 Pump Problem?

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  • R58 Pump Problem?

    Hi All,
    Problem here,
    Tried to pull a shot but the pump is suddenly a lot quieter and higher pitched and the guage barely registers a change as if the pump is way underpowered. Without the PF in place water comes through the group a lot slower than usual and the pump is still quieter and higher pitched. Switched the machine off and drained it, let it rest, cleaned the mushroom and valves etc and sitched on again, it does refill but with a much quiter and high pitched noise, water at the group but no real pressure. Any clues would be greatly appreciated. Thank you.

  • #2
    Plumbed from tank? If plumbed, try tank and see what happens and vice versa. I'd then look to the inlet solenoid next

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    • #3
      Thanks Caffeinator, currently and always plumbed I will try switching to the tank.

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      • #4
        Siwtched to tank and back to plumbed there was no pump noise when on tank just a faint buzz, back on plumbed and that is also now just a faint buzz no pump noise at all.

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        • #5
          Just and update. Siezed pump, the Tech a Dimattina said it was the most difficult pump they'd worked on in their 20 years experience.

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