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Lesco tank??????????

Discussion in 'Pesticide & Herbicide Application' started by aspirelandscape, Jul 30, 2009.

  1. aspirelandscape

    aspirelandscape LawnSite Member
    Posts: 2

    Just bought a used lesco tank sprayer 100gal 5.5Hp and I need to how many P.S.I to put in the diaphram pump?
  2. bug-guy

    bug-guy LawnSite Senior Member
    Posts: 972

    are you talking about the air valve on the top diaphram damper (red and black round)
    like on a d-30 hypro.... if so i THINK is 20% of op. pressure so 200 psi of spray = 40 psi in damper

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