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my lawnmower was on fire


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16 replies to this topic

#1 1978murray OFFLINE  

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Posted May 10, 2011 - 02:31 PM

so I was mowing my grass yesterday with my lawnboy s21zsr. and I went to put the bag on because the grass was to high to mulch. Thats when I noticed it was smoking so i put the bag on and started it up and I smelled grass burning and lifted the deck up to my surprise flames were coming from under the deck. So I shut off the mower and grabed a stick and pulled all of the burning grass off the deck. luckily everything survived and is ok.

#2 FirefyterEmt OFFLINE  

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Posted May 10, 2011 - 05:31 PM

Probably had a stick stuck in there rubbing on the blade shaft. The heat will get pretty hot after a little while.

#3 middleageddeere OFFLINE  

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Posted May 10, 2011 - 05:41 PM

Geez, you shouldn't have put it out...that was the burning bush.
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#4 MH81 ONLINE  

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Posted May 10, 2011 - 06:03 PM

Glad you got it out, hope everything survived.
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#5 Bolens 1000 OFFLINE  

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Posted May 10, 2011 - 06:07 PM

Glad you got it out, hope everything survived.


:ditto:
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#6 KIRO-1 OFFLINE  

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Posted May 10, 2011 - 06:08 PM

Probably shoulda toasted some marshmallows b-4 you put it out.(LOL)
Seriously though, glad to hear everythings okay and no one got hurt.
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#7 mjodrey OFFLINE  

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Posted May 10, 2011 - 06:16 PM

Glad you got it out, hope everything survived.


:ditto:
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#8 JD DANNELS OFFLINE  

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Posted May 10, 2011 - 07:23 PM

I'm assuming that is a two-stroke with the muffler under the deck?
I used to mow 16 lawns a week with two for 3 yrs. One push and a self propelled for mowing banks.
They ar great mowers!
You need to clean the grass from under the deck often, like when your done for the day.
The muffler bakes the grass dry and hard under there.
Also you have to take the muffler off regularly and clean the carbon out of it.
My guess is super dry grass and a piece of carbon came loose and set it on fire.
I'll bet if you keep it cleaned out you will never have this happen again.
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#9 1978murray OFFLINE  

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Posted May 10, 2011 - 07:31 PM

thanks JD dannels, yea its a 2 stroke. I had just cleaned the muffler out and the deck did have some old grass on it. When I shut it off it sounded like it backfired then all H E double hocky sticks broke out.

#10 caseguy OFFLINE  

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Posted May 10, 2011 - 07:38 PM

I have a Lawnboy 2 stroke myself with the muffler under the deck and never even thought about the fire hazard! Thanks for the heads up JD DANNELS!

#11 dstaggs OFFLINE  

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Posted May 10, 2011 - 08:00 PM

Proud you got her put out. No new mower for you this year.

#12 JD DANNELS OFFLINE  

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Posted May 10, 2011 - 08:27 PM

thanks JD dannels, yea its a 2 stroke. I had just cleaned the muffler out and the deck did have some old grass on it. When I shut it off it sounded like it backfired then all H E double hocky sticks broke out.


Yes if it backfired it could have blown loose a chunk of carbon.

#13 middleageddeere OFFLINE  

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Posted May 10, 2011 - 08:45 PM

I have never had anything like this happen, but I have set a few carbs on fire recently.

#14 kingkw OFFLINE  

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Posted May 10, 2011 - 08:58 PM

I had a Murray GT that caught fire last spring. Bad gas wouldn't start, but it still burned when it back fired. Put it out and no damage done. I took the carb off and cleaned all the junk out of it. Gotta love the new gas eith the ethanol.

#15 JD DANNELS OFFLINE  

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Posted May 10, 2011 - 10:05 PM

I had a Murray GT that caught fire last spring. Bad gas wouldn't start, but it still burned when it back fired. Put it out and no damage done. I took the carb off and cleaned all the junk out of it. Gotta love the new gas eith the ethanol.


Well I caught my Murray 22 hp 52" deck on fire two weeks ago. Yes I got it out.
My understanding is on that Briggs Twin there is a fuel shutoff solinoid on the bottom of the carb that starts leaking.
It's supose to rain all day Saturday so I'll try to tear it down then.




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