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"Chemlawn Gun" Leaking

Discussion in 'Pesticide & Herbicide Application' started by LawnTamer, Apr 1, 2006.

  1. LawnTamer

    LawnTamer LawnSite Gold Member
    Messages: 3,986

    I've never used a chemlawn style gun before this year but I got one for my Lesco Spacesaver. It leaks, not al the time but frequently, occasionally it will even spurt a little spray without the trigger being touched.
    Is this normal for a chemlawn gun?
    Any suggestions?
    Thanks for the help.
     
  2. JB1

    JB1 LawnSite Fanatic
    Messages: 5,903

    try rebuilding it.
     
  3. turfsurfer

    turfsurfer LawnSite Senior Member
    Messages: 364

    Seriously, rebuild it. The guns do wear out. There is a kit from Lesco that should have everything you need.
     
  4. indyturf

    indyturf LawnSite Bronze Member
    from Indy
    Messages: 1,874

    the plunger inside needs replaced. you can get the kit at lesco for about $15.00 if its new you might try taking the plunger out and put a thin coat of petroleum jelly on it. I always do that when I rebuild mine.
     
  5. SodKing

    SodKing LawnSite Bronze Member
    Messages: 1,641

    ditto that....
     
  6. lawnservice

    lawnservice LawnSite Senior Member
    Messages: 589

    sounds like your gun is new....might just be a piece-o-crud stuck in there?
     
  7. LawnTamer

    LawnTamer LawnSite Gold Member
    Messages: 3,986

    Thanks for all the replies, the gun is new (I've only sprayed about 150 lawns with it.) I will take it apart and look for a piece of crud in the and lubricate the plunger. I just wasn't sure if they all leaked or if mine was having trouble, it has leaked a little since day one.
     
  8. turfsurfer

    turfsurfer LawnSite Senior Member
    Messages: 364

    If it's new then I would say yours is having trouble. Take it apart, inspect, clean and lubricate. If that doesn't solve it, return it for a new one. Chemlawn guns are usually really nice and should NOT leak at all.
     
  9. vegomatic40

    vegomatic40 LawnSite Senior Member
    from 6
    Messages: 406

    Check to make sure that the return spring that keeps the valve closed is not broken or weak. With that little amount of use it should not be a matter of wear. Also what pressure are you running? The gun was designed to operate at specific min./max. pressures and too little psi can cause malfunction as well.
     
  10. MStine315

    MStine315 LawnSite Senior Member
    Messages: 789

    I'll try to find it because I could use a refresher myself, but there was a thread this winter about 3/8" hose vs. 1/2" hose. It was said guns were piddling with 3/8 hose due to being outside the pressure window vegomatic mentioned. Marc
     

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