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Woodturning (rec.crafts.woodturning) To discuss tools, techniques, styles, materials, shows and competitions, education and educational materials related to woodturning. All skill levels are welcome, from art turners to production turners, beginners to masters. |
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#1
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Duty life of chainsaws
I was cutting up a downed Norway Maple this weekend and happened to actually
read the label on my Husky chainsaw and one statement caught my eye. It has something called "Duty Cycle" listed. For this saw it is 50 hours. I went and looked at the POS Poulan I am trying to get rid of and it's duty cycle is 20 hours. The Poulan actually broke after about 8 hours but that is a whole other tale. I looked through the manual of both saws trying to ascertain what the duty cycle is but found nothing. Am I to assume this is the expected life of the saw? Or that it needs to be overhauled at that point? How many hours do some of you have on your saws? I gotta say I love the Husky and it is sooooo much better than the Poulan. I'm just curious. Tony Manella ndd1"at"prolog.net (remove "at") http://home.ptd.net/~ndd1/ Lehigh Valley Woodturners www.lehighvalleywoodturners.com |
#2
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Duty life of chainsaws
On Tue, 3 Jul 2007 09:34:41 -0400, "TonyM" tonym.le"at"comcast.net wrote:
I was cutting up a downed Norway Maple this weekend and happened to actually read the label on my Husky chainsaw and one statement caught my eye. It has something called "Duty Cycle" listed. For this saw it is 50 hours. I went and looked at the POS Poulan I am trying to get rid of and it's duty cycle is 20 hours. The Poulan actually broke after about 8 hours but that is a whole other tale. I looked through the manual of both saws trying to ascertain what the duty cycle is but found nothing. Am I to assume this is the expected life of the saw? Or that it needs to be overhauled at that point? How many hours do some of you have on your saws? I gotta say I love the Husky and it is sooooo much better than the Poulan. I'm just curious. Tony Manella ndd1"at"prolog.net (remove "at") http://home.ptd.net/~ndd1/ Lehigh Valley Woodturners www.lehighvalleywoodturners.com My uneducated guess would be "between major maintenance" or something? mac Please remove splinters before emailing |
#3
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Duty life of chainsaws
"TonyM" tonym.le"at"comcast.net wrote in message . .. I was cutting up a downed Norway Maple this weekend and happened to actually read the label on my Husky chainsaw and one statement caught my eye. It has something called "Duty Cycle" listed. For this saw it is 50 hours. I went and looked at the POS Poulan I am trying to get rid of and it's duty cycle is 20 hours. The Poulan actually broke after about 8 hours but that is a whole other tale. I looked through the manual of both saws trying to ascertain what the duty cycle is but found nothing. Am I to assume this is the expected life of the saw? Or that it needs to be overhauled at that point? How many hours do some of you have on your saws? I gotta say I love the Husky and it is sooooo much better than the Poulan. I'm just curious. Service. After a couple dozen hours of use you want to give it a good clean/oil/adjust/tighten cycle beyond keeping good chain sharpness, tension, and a clean air filter . Plug is so cheap it doesn't pay not to change it annually. If you start to have mixture symptoms, address them promptly or risk burning out early. I probably do that 20 operating hour "duty cycle" every year on my winter's wood, with fifteen years of the same on the old one before losing the magneto, ten on this Stihl so far. |
#4
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Duty life of chainsaws
Never heard of such a thing! I mean, I never looked that closely to
the manual, etc. We have had 4 chain saws around here over the last 30 years. We heate our house with wood that we cut from 1972 till 1992 and heated our maple syrup evaporator with wood from 1994 to 2005. I never do anything to my saws until they need it, except that I always keep the chain REAL sharp and the depth gages set properly. Oh, yes, and I always top off the oil tank with every fill of gas. My main saw for a number of years was a Homelite 150. Must have put 200 or 300 hours on it, at least, before some roller bearings came out of the muffler one day. Did totally rebuild an McCuiioch 51 that I bought used and worn out in 1974 and still use it when I drop BIG trees. Ocassionally, if one doesn't start, it goes to the doctor. Bought a mid size Jonney to replace the 150 4 or 5 years ago and it hasn't had any service yet. Pete Stanaitis ----------------------- TonyM wrote: I was cutting up a downed Norway Maple this weekend and happened to actually read the label on my Husky chainsaw and one statement caught my eye. It has something called "Duty Cycle" listed. For this saw it is 50 hours. I went and looked at the POS Poulan I am trying to get rid of and it's duty cycle is 20 hours. The Poulan actually broke after about 8 hours but that is a whole other tale. I looked through the manual of both saws trying to ascertain what the duty cycle is but found nothing. Am I to assume this is the expected life of the saw? Or that it needs to be overhauled at that point? How many hours do some of you have on your saws? I gotta say I love the Husky and it is sooooo much better than the Poulan. I'm just curious. Tony Manella ndd1"at"prolog.net (remove "at") http://home.ptd.net/~ndd1/ Lehigh Valley Woodturners www.lehighvalleywoodturners.com |
#5
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Duty life of chainsaws
For most products the duty cycle means that you can't run it continuously
for that period so I would guess that you have to take a break every 50 yours or so ;-) Most people don't put 50 hours on a saw in a year. Brian |
#6
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Duty life of chainsaws
On Jul 3, 9:34 am, "TonyM" tonym.le"at"comcast.net wrote:
I was cutting up a downed Norway Maple this weekend and happened to actually read the label on my Husky chainsaw and one statement caught my eye. It has something called "Duty Cycle" listed. For this saw it is 50 hours. I went and looked at the POS Poulan I am trying to get rid of and it's duty cycle is 20 hours. I wonder if what you saw was "duty cycle" or something about "rated life". Usually duty cycle is expressed as a percentage and is the amount of time that a device can spend at full power vs the amount of "rest time".For instance, the duty cycle of a heat gun may be 50%. It needs to rest and cool for the same amount of time that it was heated. Usually a duty cycle figure is accompanied by a suggested maximum use time before letting the tool rest. "Life rating" on small gasoline motors used in Lawn and Garden equipment usually refers to the number of hours that the engine will run under normal use conditions before it no longer meets the emissions standards that it was certified for. I have yet to see the term "duty cycle" on this type of equipment, but I confess that I stopped looking a long time ago. The term I've seen is "Life" or "Life Rating" or "Life Cycle". As far as I know this (above) is correct, but I open to being educated .... cheers |
#7
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Duty life of chainsaws
On Jul 7, 7:29 pm, wrote:
As far as I know this (above) is correct, but I open to being educated .... cheers And as a followup, this from the Echo-USA website : "" * EDP is defined by CARB as "Emissions Durability Period". EPA uses the term "useful life", which is defined as "...when engine performance deteriorates to the point where usefulness and/or reliability is impacted to a degree sufficient to necessitate overhaul or replacement..." (U.S. Government, Code of Federal Regulations, Vol. 40, Chapter 1, Sec. 90.105, par. 5, §ii) "" http://www.echo-usa.com/prod_info.asp cheers |
#8
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Duty life of chainsaws
Thanks for the responses. A closer look at the tag on the chainsaw leads me
to believe that oldrad is correct about it being an emissions life rating. "TonyM" tonym.le"at"comcast.net wrote in message . .. I was cutting up a downed Norway Maple this weekend and happened to actually read the label on my Husky chainsaw and one statement caught my eye. It has something called "Duty Cycle" listed. For this saw it is 50 hours. I went and looked at the POS Poulan I am trying to get rid of and it's duty cycle is 20 hours. The Poulan actually broke after about 8 hours but that is a whole other tale. I looked through the manual of both saws trying to ascertain what the duty cycle is but found nothing. Am I to assume this is the expected life of the saw? Or that it needs to be overhauled at that point? How many hours do some of you have on your saws? I gotta say I love the Husky and it is sooooo much better than the Poulan. I'm just curious. Tony Manella ndd1"at"prolog.net (remove "at") http://home.ptd.net/~ndd1/ Lehigh Valley Woodturners www.lehighvalleywoodturners.com |
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