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  1. PFBlowerinstall

    Positive displacement pump rust removal

    @Compositepro thank you! Yes the shaft does rotate freely by hand. What kind of oil would you recommend for rust removal? It’s going to be hard to run the unit without it being connected to a power source. Turning it by hand is a chore. Because of accessibly, I am currently soaking the lobes in...
  2. PFBlowerinstall

    Positive displacement pump rust removal

    I have a question regarding PD blower. Maybe someone can advise. I have a roots PD blower (616 dvj) I purchased new. The unit sat for a good year or so - covered with a tarp and now im needing to clean it up (Without taking it apart) any experience with this process. quickest methods that won’t...

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