Poor zspray agitation

Discussion in 'Pesticide & Herbicide Application' started by grassmasterswilson, Apr 10, 2014.

  1. grassmasterswilson

    grassmasterswilson LawnSite Platinum Member
    from nc
    Posts: 4,540

    With all 3 levers open and psi reading 40 I'm getting poor circulation in the tanks.

    I can increase the agitation by turning the throttle valve down but unable to maintain 40 psi.

    It's great for mixing as I fill but worried about while spraying. Is this normal? I've never noticed it before. Any fix?
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  2. Spraytek

    Spraytek LawnSite Member
    Posts: 114

    Have you checked your filters? If everything is clean, you either have to go with smaller tips or upgrade the pump to the 7gpm Fatboy.
     
  3. RigglePLC

    RigglePLC LawnSite Fanatic
    Posts: 12,111

    I think you should be OK while spraying if you agitate well before beginning.
     
  4. Spraytek

    Spraytek LawnSite Member
    Posts: 114

    Another thing to consider is that every time you shut the boom off (when making turns), your pump will be recirculating at around 4gpm. Riggle is probably right, but I'm a big fan of too much agitation rather than not enough.
     
  5. Zspray

    Zspray Sponsor
    from indiana
    Posts: 20

    Just FYI, at 40 psi you are bypassing very little. To get the full 4gpm for agitation, open the throttle valve which will decrease your pressure. Take your pressure down to as low as it will go with the boom valves closed. This will give you full agitation for mixing product.
     
  6. ArTurf

    ArTurf LawnSite Gold Member
    Male, from Ark
    Posts: 3,441

    I didn't realize this till you guys told me this some time ago. So now between spraying I do this.

    I also went to the 5gpm (not for this reason) pump and wonder if that helped?
     
  7. grassmasterswilson

    grassmasterswilson LawnSite Platinum Member
    from nc
    Posts: 4,540

    Had the machine for 5 years and just now noticed it while trying to solve the issue. Thanks for the help.
     
  8. GW Andy

    GW Andy LawnSite Member
    Posts: 56

    Put these hypro 3371 jet agitators ( not the long skinny ones) in the inside of the bulk head of your tanks and you will have a lot of agitation in your tanks, all the time, even when spraying. We just use the regular pumps that LT rich puts on the Z's. they just screw right in. http://www.rittenhouse.ca/asp/Product.asp?PG=472
     
  9. GW Andy

    GW Andy LawnSite Member
    Posts: 56

    That's the Hypro #3371-0000. You can also get them from Minnesota Wanner Co. We used the middle sized disk that comes with it.
     
  10. grassmasterswilson

    grassmasterswilson LawnSite Platinum Member
    from nc
    Posts: 4,540

    I bought 2 of those and then Realized the pain of getting them installed on the 25 gallon tanks.
     

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