Literally SAW what a spark arrestor screen is for

Discussion in 'Lawn Mowing' started by Envy Lawn Service, Aug 21, 2007.

  1. Envy Lawn Service

    Envy Lawn Service LawnSite Fanatic
    Posts: 11,062

    I for one have always believed in those pesky spark arrestor screens during droughts because I have seen fires started by stuff without them.

    But never have I seen what I saw today...

    Well, I picked up some more fluid film the other day and I decided I should oil up the RedMax hedge clippers. I've found they rust pretty easy and they will stick, so I figured I'd try he fluid film on them and see how that works out.

    So I went to oiling and put a drink of gas in them to run them just a tad. By the time I got done it was getting sort of dark, and I was also wanting to see how the 80:1 mix was running in them (they smoke like a train at 50:1 and 64:1).

    The CHT2200 machines have a down discharging exhaust, so I held them full tilt and turned them on their side in order to better see the exhaust. The first pair finally opened up on top end and ran like I thought it should for a second.

    Then I saw a spark fly out the exhaust and it killed instantly before I had time to process what I saw. I though oh boy, it siezed. But it didn't, it had just lost fuel pickup.

    So anyways, I thought I would put this up here for those who have said...
    "I've never seen a SPARK fly out of the exhaust"

    It's been really dry a lot of places and it wouldn't be a bad idea in install the spark arrestor and keep and eye on it until it rains again.

    On a side note, I am now thinking that I'm sure these units are running too rich.
    I was able to get them to run like a banshee again just a second before running out of fuel over and over.
  2. lawnman_scott

    lawnman_scott LawnSite Fanatic
    Posts: 7,547

    How bad was the fire?
  3. Envy Lawn Service

    Envy Lawn Service LawnSite Fanatic
    Posts: 11,062

    No fire in my case.

    I was only doing maintenace in a safe environment.
    The hedge clippers don't get used when it's dry like this without the screens.
    Almost never used during droughts anyways....

    But I have seen fires started by small engines... lots of them...

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