Author Topic: Hursqvarna 236e chain snagging/stopping  (Read 840 times)

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Offline Philbert

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Re: Hursqvarna 236e chain snagging/stopping
« on: February 25, 2014, 02:40:04 pm »
Quote
. . .cleaned it in the kitchen in the end so could put some pics up for you,  . . . .I take it that the black strip is where the oil is sent to the chain through?

Very clean saw!  Helpful photos.  Yes, there is a hole in that slot where the oil comes through.  It empties into that slot because the bar moves forward and back with the adjustment, and it has to align with a hole in the bar.  Keep both clean with a toothpick.  The hole in the bar nose is for greasing the nose sprocket - that is a separate topic (some guys do, some guys don't).

Quote
I gave the chain a re sharpen. . . I files some small burrs from the bar too,  first time I have done this tbh.

It does not look like you are filing the cutting edges - they still look dull.  It is a common mistake to file the gullet of the cutter, instead of the top plate and side plate edges that actually do the cutting.  You should see clean, new metal on both these edges after you file, and not be able to see the reflected light visible in your photos. Compare your sharpened chain edges to a new chain for reference.

Check out the illustrations in this manual:
http://www.oregonproducts.com/maintenance/manual.htm (pages 2-3, 32-41)

I would encourage you to not file off any burrs on the teeth after sharpening.  They come right off as soon as you cut, and you may be damaging your new edge when you try to do this with a file or stone.  Filing burrs off of the bar edges is a good maintenance practice.

Also, pay attention to getting each tooth, on both sides, the same length and same angles.  Most guys are stronger on one side or the other, and end up with unequal cutters that cut rough, or pull to one side.

Quote
What is the raker distances you are talking about ??

"Raker' is a misleading term.  It is really a 'depth gauge', which controls how deep of a cut/how large of a chip you will make with each pass of the cutter.  If the depth gauge is too high, you will not cut much at all, even with razor sharp cutters.  If the depth gauge is too low, the chain will dig in and try to tear the wood, bogging down and giving a rough cut.

On your chain, you want to set the depth gauge at 0.025" below the top plate cutting edge.  See Oregon manual above.

Philbert

P.S. - here is an illustration I posted in another thread which may be helpful.

 

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