Equipment running hot

Discussion in 'Lawn Mowing' started by lewdo, Jun 15, 2008.

  1. lewdo

    lewdo LawnSite Member
    Messages: 86

    Last summer I noticed that when the temps were over 90 degrees after 5-6 hours of running my equipment I had difficulty starting them back up between jobs. I am starting to experience that again. Has anyone had this problem? Any help would be much appreciated.

    I run Stihl blowers and trimmers and John Deere ZTR 737 and 810. No problem with the 810 so far as it is new, but have already noticed it on the 737 and the blowers.

  2. wiselawns

    wiselawns LawnSite Member
    Messages: 74

    Both my echo trimmers do the same thing when it gets over 85 or so. They usually start okay but i have to choke them for a few minutes before i start trimming. Whats weird is that when they do this if I turn them sideways and start trimming along sidewalks and such they will do just fine, but if i hold them upright and try to trim around a tree or something they will bog down for a couple of minutes. But when its below 8o or even cold as hell out they both fire right up and go like crazy. My echo backpack blower doesnt give me this problem. The scag is the same way when it is hot out. It wont fire immediately on the trailor after a few yards unless I choke it real fast.
  3. lewdo

    lewdo LawnSite Member
    Messages: 86

    guess it's just me and you that have this problem. sux to be us....:hammerhead:
  4. Jason Rose

    Jason Rose LawnSite Fanatic
    Messages: 5,858

    Well I have the same troubles. the 27hp kohler on the Grasshopper gets harder and harder to start the hotter it gets, as well as the 20hp Walker. Heck, it barely wants to run after it's sat on the trailer between jobs. I think a lot of it has to do with the CRAP gasoline we have to deal with now that has ethanol in it. The ethanol and super hot running air cooled engines dosn't mix well all the time. I think it tends to evaporate in the fuel lines that are close to the hot engine when it's off.
  5. txgrassguy

    txgrassguy LawnSite Gold Member
    Messages: 3,083

    85* isn't hot.
    Come down to central Texas where my crews operate.
    We are experiencing our 27th day straight of 100*+ temps.
    And no, we don't experience hard starts.
    Keep the cooling fins clean of accumulated build-up, blow the grass off of the mower before putting it back on the trailer and change your fuel filter every oil change or during periods of temp changes and you will be alright.
    Almost all of my mowers see 500 hrs or so each year in temps ranging from right at freezing to perhaps 115* will not experience noticeable problems.
  6. mngrassguy

    mngrassguy LawnSite Silver Member
    Messages: 2,167

    All my stuff starts on the first pull everytime except my Exmarks. They are electric starts. lol As far as getting hot out, it seldom gets over 90 here. Ice just came off the lakes a few weeks ago.:laugh::laugh::laugh:
  7. Richard Martin

    Richard Martin LawnSite Fanatic
    Messages: 14,699

    Just like I preach that you should never shut a hot mower off without letting it idle for a minute or so I going to say the same about your 2 stroke equipment. The only time I have trouble restarting equipment is when I have to shut it off immediately after using it. For example a customer walks out and wants to talk right then and there. Shut the trimmer off and yack. Then I have to pull the trimmer 20 times to get it to restart. I'll usually let them idle for 10 or 15 seconds before shutting them off on the way back to the trailer.
  8. Atlantic Lawn

    Atlantic Lawn LawnSite Senior Member
    Male, from Outer Banks NC
    Messages: 950

    A coil that's marginal will lead to start up problems.
  9. Oldtimer

    Oldtimer LawnSite Bronze Member
    Messages: 1,459

    The quality of fuel can certainly be an issue. Try BP 89 octane. We use BP and Opti-2 in everything we use, sell & service with excellent results. I began using this mix in 1983 and feel it is the best available.

  10. Carolina Cuts

    Carolina Cuts LawnSite Bronze Member
    Messages: 1,152

    'For example a customer walks out and wants to talk right then and there. '

    don't ya love that? I have one, cool lil' old man.... but he forever and always comes out with a check, when I have 2-3 passes left to make on the mower. Drives me up a wall, but it's ok cause he's paying me (on time) and he's been throwing me an extra $10- this season.

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