[AT] Chain saw cutting issues

Dave Rotigel rotigel at me.com
Thu Jan 22 07:33:04 PST 2015


These may help as well, Steve. See: https://www.youtube.com/watch?v=tTsJe5-ECpg and https://www.youtube.com/watch?v=EWcckW3ghFg  The tips in both are helpful.
	Dave

On Jan 22, 2015, at 8:24 AM, Stephen Offiler wrote:

> THANK YOU farmer!  Your experience, plus this link, just taught me a bunch
> of things about chainsaws that I didn't know I didn't know!
> 
> Steve O.
> 
> On Thu, Jan 22, 2015 at 6:35 AM, Indiana Robinson <robinson46176 at gmail.com>
> wrote:
> 
>> AARRRRRHGGGGHHHH!!!!!!
>> I forgot to paste in the link... Sorry.
>> http://www.fs.fed.us/t-d/pubs/htmlpubs/htm06672805/page03.htm
>> 
>> 
>> 
>> On Thu, Jan 22, 2015 at 6:34 AM, Indiana Robinson <robinson46176 at gmail.com
>>> 
>> wrote:
>> 
>>> Here is a chapter out of a US Forest Service Manual that appears to have
>>> generally good information other than apparently mixing up the pictures
>> of
>>> chain cutter type by reversing the chipper cutter and the chisel cutter
>>> image.
>>> About a third of the way down the page is an illustration of some of the
>>> bar issues I was talking about. I hope it's helpful.
>>> I used to have a one page flyer with similar bar information that we
>> would
>>> drop in the bag with sharpened chains going out but I can't find one
>> right
>>> now.
>>> 
>>> As always chainsaw rule # 1 is still "DO NOT BLEED!"
>>> :-)
>>> 
>>> 
>>> 
>>> On Thu, Jan 22, 2015 at 12:37 AM, Cecil R Bearden <crbearden at copper.net>
>>> wrote:
>>> 
>>>> Farmer I think you it the nail right on the head!
>>>> There are closers to close up the bar groove if it gets worn too wide
>>>> and the chain rolls when cutting.
>>>> Several years ago I was using a chainsaw and did not have a file or my
>>>> 12V grinder to sharpen the chain when I hit a barb wire when cutting a
>>>> tree out of the fence.  However, I did have my Dewalt cordless grinder
>>>> with a thin cutoff blade.  I sharpened the chain with that and have used
>>>> it ever since for sharpening chains.  I will say that I go thru chains
>>>> more quickly as it is hard to keep from grinding too much, but it only
>>>> takes about 2 minutes to sharpen the entire chain.  I also grind down
>>>> the depth tooth more than recommended to make it cut quicker.  I use a
>>>> high horsepower saw with a shorter blade to allow it to cut out trees &
>>>> brush in fence rows.  Since I am always cutting out of position, I don't
>>>> want to be in that position very long.   I have one of those Harbor
>>>> Freight chainsaw sharpeners and it works very well.  I got it on sale
>>>> for less than $30....   I try to sharpen my chains on that before I go
>>>> out, but I hit a lot of metal and rocks and dirt...  I try to buy those
>>>> cheaper Poulan refurbished saws and really have good luck with them for
>>>> the price.
>>>> 
>>>> Cecil in OKla
>>>> 
>>>> 
>>>> On 1/21/2015 11:13 PM, Indiana Robinson wrote:
>>>>> As Big-dog says it is most likely the bar instead of the chain. If you
>>>> have
>>>>> a new chain in an older bar your drive teeth on your chain may be
>>>> riding on
>>>>> the bottom of the bar groove. Make sure that the chain is only riding
>> on
>>>>> the edge of the bar rails. It is possible to mill the bottom of the
>> bar
>>>>> deeper but it is not worth it unless you already have the tools on
>> hand.
>>>>> Standard short bars are cheap. Check the bar rails all around with a
>>>> good
>>>>> small square. They both must be the same height. Unless you have
>>>> something
>>>>> like one of those silly banana bars you should make a habit of
>> flipping
>>>>> your bar over each time you have it off so that the rails and the
>>>> contact
>>>>> points on the chain will wear evenly. It is also sometimes necessary
>> to
>>>>> slightly tighten the width of the bar channel as it can wear too wide
>> to
>>>>> guide well.
>>>>> I seriously doubt that your problem is the chain teeth unless
>> something
>>>>> serious has happened to them. Chain sharpening is normally pretty
>>>> forgiving
>>>>> as long as you get the basics. Bar fit on the other hand...
>>>>> I have professionally sharpened thousands of chainsaw chains for over
>> 40
>>>>> years. I really always preferred to get the bar and chain both so I
>>>> could
>>>>> check them for fit together. There is a lot more to a chainsaw than
>>>> teeth
>>>>> and a motor.  :-)
>>>>> 
>>>>> 
>>>>> 
>>>>> On Wed, Jan 21, 2015 at 11:14 PM, Vaughn Miller <vemiller at gmail.com>
>>>> wrote:
>>>>> 
>>>>>> Almost certainly an improperly sharpened chain.  The cutters on each
>>>> side
>>>>>> should be equal length.  I keep a dial caliper handy when sharpening
>>>> chains
>>>>>> to check my work.
>>>>>> 
>>>>>> Vaughn
>>>>>> 
>>>>>> 
>>>>>>> On Jan 21, 2015, at 9:57 PM, David Trompower <flywelder at live.com>
>>>> wrote:
>>>>>>> 
>>>>>>> I have a [U]Poulan  18 inch classic, chain saw.   [/U]    and had it
>>>> for
>>>>>> years.
>>>>>>> Today though, I have issues with the chain blade.
>>>>>>> 
>>>>>>> the chain is but 2 months old.  it now will only cut the soft outer
>>>> wood
>>>>>> of a log and stops when it reaches the hard wood of the center of a
>>>> log. It
>>>>>> is nut cutting straight through a log.  Instead, it is cutting in
>> such
>>>> a
>>>>>> way, that by the time the blade reaches the hard wood...  my left
>> hand
>>>> is
>>>>>> in the air and my right ( which is operating the throttle)  is down,
>>>> and
>>>>>> the blade has cut a curve? a curve that  heads in the direction of my
>>>> left
>>>>>> leg.
>>>>>>> SO I sharpened the blade teeth and filed down the  blade depth gauge
>>>>>> just a bit...( using a Oregon,sharpening device to do so).
>>>>>>> [U]I am [/U]getting short chips  off the blade but the saw shows no
>>>>>> improvement in cutting abilities and continues to  cut a curve . ???
>>>>>>> I have resharpened  and resharpened and even sharpened only the left
>>>>>> cutters,  No improvement.
>>>>>>> then only the right cutters, and no improvement?
>>>>>>> maybe I need to sharpen yet some more the teeth on one side more
>> than
>>>>>> the other?,.... but which...the left cutters or the right?
>>>>>>> And it seems that once the blade reaches the hard center wood of a
>>>> log,
>>>>>> the only way I can get and  more shavings is to rock the saw  ( tilt
>> it
>>>>>> left and right in a rhythm,)  but it cuts a deeper groove towards my
>>>> left
>>>>>> leg.
>>>>>>> Tell me what is causing this curved cut issue ? and how do I correct
>>>> it?
>>>>>>> and why the cutting stops when I reach the hard wood in the center
>> of
>>>> a
>>>>>> log?
>>>>>>> R. David
>>>>>>> 
>>>>>>> 
>>>>>>> 
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>>>>> 
>>>>> 
>>>> 
>>>> 
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>>> 
>>> 
>>> 
>>> --
>>> --
>>> 
>>> Francis Robinson
>>> aka "farmer"
>>> Central Indiana USA
>>> robinson46176 at gmail.com
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>> 
>> 
>> --
>> --
>> 
>> Francis Robinson
>> aka "farmer"
>> Central Indiana USA
>> robinson46176 at gmail.com
>> _______________________________________________
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>> 
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