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Warm weather cutting

TROY

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Curious as to what you guy's "rules" are for warm weather cutting. How warm is too warm? Why I ask is my buddy burned up his Husky Rancher this summer cutting wood in July. I told him what I was always told and that's you don't run chainsaws in July, atleast not hard anyway. His theory was weedwackers work in the summer so a chainsaw should be fine also. What's your input on the subject?
 

cowroy

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Last time I checked logging companies, and tree trimming companies don't quit for hot weather, so I would say the saw failure had little to do with the temperature.
 

mdavlee

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I've done some cutting at 0-100° F with no failures for temperature.
 

WoodChuck'r

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If he burned up his saw, it was either tuned lean, the fuel was lean, or a combination of both.


I don't cut in the heat of July not because my saw will burn up, but because I cry like a little girl when it's hot out.
 

TROY

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So is it safe to really work the saw for a couple hours straight? Anytime I've had to cut when it's hot I try to run for a bit then give it a break to cool down, then cut some more. Am I being over cautious?
 

TK

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I haven't had any problems cutting in the heat, and I usually cut year round if thats a possibility. Granted I don't make 8 hour runs at it, but I do go pretty hard at it for a few hours at a time. Never a problem here, saws run great.

I wouldn't think the running temperature of the saw would change much. Warm up time for proper cylinder/piston/ring expansion is important whether it's cold or hot out. The saw runs at temperatures much much higher than the ambient temperature. I would attribute conditions of the saw to the failure more than the temperature outside.
 

TROY

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Well I guess my fathers wisdom failed me on this one. :( Plus side is it just added more time to my cutting season.:burnout:
 

WoodChuck'r

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Yeah the outside temperature doesn't really affect operating temperature enough to cause a catastrophic failure.


Whether it's 90º or 9º, there's still combustion occurring inside of the cylinder. A match doesn't burn hotter in a warmer climate than it does in a cold one, same principal with internally combusting fuel. What keeps a saw motor cool is having a good quality and proper ratio of oil in yer fuel, and making the saw drink enough of it. Air, ethanol, not enough oil in your gas, and an H screw turned too far clockwise are some of your biggest enemies. :yup:
 

TROY

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So is it good pratice to richen up the premix a little in the warmer weather? Or is the recommended 50:1 good enough?
I always run atleast midgrade gas, stihl premix oil, ethanol treatment and stabill in cans, and keep filter and saw clean. Now that I have purchased a "proper" saw, I'd like to keep it tip-top as long as possible. Thanks for helping out a newb.
 

mdavlee

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I run 32-40:1 all the time. Just make sure the tuning is good with the H screw and the rpms aren't too high and you'll be fine.
 

rburg

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If you are cutting in 100 degree temps, you will probably take enough breaks that the saw will have some break time to.
 

BloodOnTheIce

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Curious as to what you guy's "rules" are for warm weather cutting. How warm is too warm? Why I ask is my buddy burned up his Husky Rancher this summer cutting wood in July. I told him what I was always told and that's you don't run chainsaws in July, atleast not hard anyway. His theory was weedwackers work in the summer so a chainsaw should be fine also. What's your input on the subject?

Cutting in hot temps won't kill a saw but.....

You combine a little stale gas, a dull chain, maybe some plugged off cooling
and add that to hot temps. Then you're taking away all of you safety buffer.

So while not 100% accurate, worry more about fresh gas, good oil, sharp chain
and a clean filter, but add on hot temps and you'll kill a saw quick.

Also dramatic temp changes and humidity will add cause condensation
and ethanol will suck in water much quicker in humid months.
 
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