That is one pretty saw. Even my new ones don't look that nice.
McCulloch Chain Saws
- Thread starter Bruce Hopf
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Yup thats a nice looking saw, it is true some guys do take extra special care of their stuff.
It amazes me when I teach chainsaw safety I tell the people to bring a saw from their shop for class what shi$ shape they're in, especially when we respond to hurricane clean up and it doesn't go well if you show up with a messed up saw.
Thats why I use my own saws , they cut!
Of all the saws I know of or see around only 80 percent are actually cutting well its alarming really what people cut with.
A guy I know hired a saw. It was dull beyond imagination the chain was hanging down with no more adjustment left it ran like a dog. It was all in a case so he never saw it until was out on the job at hand sooo he rang up and they brought out another and a chain for the 1st 1. It wasn't even the right chain and the 2nd saw cut so badly on the piss he couldn't use it also running like a dog.
How on earth can a place do that words can't describe it. He got his money back and is now looking for his own saw
Also seen some terrible sharpening from the stihl dealer and poor joe homeowner thinks that's sharp lol. The miss education is unreal. 80 percent of saws are cutting badly I'm sure of it and out of tune or bad air cleaners or not oiling or probably all of those things.
Rant is finished now lol
This is a good rant. It's the number one reason I don't give advice when new guys ask, "How do I take this tree down", and show a pic. Other guys with out knowing the person, his tools, or experience, will say, oh just bore cut it, do this, do that. If I look at a tree that I might think is easy for me, if I use a wide face cut, and a fast back cut, with one of my 100 CC saws, I can't tell some rookie with a dull Wild Thing to do what I would. So many things in tree work depend on being able to make a fast cut. If you can't do that, you may be in big trouble. I really don't know anyone out side my family and other pro tree guys that really know what a sharp chain is. I've seen a lot of reputable tree guys with saws so dull I could play beaver and chew it down faster. I know there are many guys here that know what a sharp saw is, I just haven't had the pleasure of cutting with you, and you would be surprised at how many don't. A sharp chain is the fundamental starting point of a chainsaw.
Couldn’t help myself....
Had to tear the 7-10A down. The Glad I did though because it looks like it sucked the intake gaskets into the crankcase
There is some scuff marks but the bore feels smooth. So this will just be a clean up and reassemble
Had to tear the 7-10A down. The Glad I did though because it looks like it sucked the intake gaskets into the crankcase
There is some scuff marks but the bore feels smooth. So this will just be a clean up and reassemble
Yeah well that's it really the guy might kill himself. So I completely get why you'd shy away from that for sure. I had a big leaner macro bout 30 inch and I studied up before cutting it certainly didn't ask here didn't want to put my life in the hand of someone with an opinion online. Ended up cutting a notch and bored it and snipped the strap and all was well.
Ya gotta really be interested in the chain and want to learn about it and every bit of it if the passion isn't there it's a waste of time bothering to teach.
I haven't had anyone show me how to sharpen other than Billy ray and lots of research and reading. Cutting trees too lots of videos and Mr smith with actual interest the knowledge is there to be had.
Would love to go out cutting with you and other experienced guys I'd be sponging it all in.
Best things that got me sharpening well was don't touch a guide and focus on what the cutter needs to look like and try the chain. I'd cut a few cookies and sharpen again and keep correcting the shape better than last time again and again I'd spend my smokos at work sharpening lol. Progressive raker gauge was a revelation too
You going to re ring it?
Good to see some 7-10 ports finally and booyah I see different transfers to the 700 allready. Can you get any measurements? A guy a fair few pages back had some 700 numbers
My Dad would actually touch saws up the night before a job and tweak the angle a little for different trees. We had one new climber come over to me and asked who sharpens your saws. I pointed and said Dad, why. he said he was going to top cut a small limb and let it hinge over, grab it, and toss it out in the yard. he said he started the top cut and before he could react, the limb was in the air. I can keep my chains pretty dang sharp. But, I just can't do what Dad did. it's funny, Dad wanted me to get an education and get out of tree work, so he wouldn't let me start climbing till I did it on my own. Ground work is harder than climbing and it was killing me. When I finally started climbing I had already missed a lot of what he had to teach. he had quit climbing and was running the business, I was climbing and running crews. We only saw each other at breakfast and dinner. Wish I had of paid more attention to his sharpening skills.
Look
Wow and I bet he never used a guide or anything just him and the file.
Kinda sad you missed out on knowledge he obviously had what he thought was the best intentions for you it is dangerous. I bet ya still learned a hell of alot though
I’m weighing my options right now. Need to drill down a bit more on the numbers and sourcing some rings before I decide on that. Right now I feel like just cleaning this saw up and reassembling it. as far as port timing numbers I’ll have to do research on that too. Remember I’m new to this lol!
Good man. Plenty rings about on Ebay. Debating weather I re ring a couple of mine or piston and bearings too so be good to see what ya decide. I do know they can throw the wrist bearings and lunch themselves
Just some good pics of the transfers at a few different angles would be cool if you would have the time to snap a couple. Same for the piston. A few of us are interested in the comparison with a PM700 cylinder and piston. Side by side would be great if you happen to have a PM700 torn down too, but that may be asking a bit much. Gotta be a pretty obvious reason somewhere along the line why everyone says a 7-10 is so much more saw than a PM700. Top end is about all that's left that you can't otherwise easily compare just by looking at the two saws (or at an IPL).
I’ll get the pictures. I have two 700 and two 7-10
Not yet. Give me a few days and I’ll get into it
I hope that's not just for us and it was coming apart anyway
I only file by hand , and I often hear guys at work say "wow look at the chips flying!" But I always tell them thats what it supposed to do. Most people just wont spend the time filling and tuning their chain but when you "need" a fast cut for safety that time with the file becomes priceless. I've messed some chains up trying different things and I've had some successes that are working well for me, but I don't try and reinvent the wheel, as in people who sharpen a chain well were doing it right long before me and I try to learn from them.
And I always judge a stump it tells me how I did or how someone else is doing.
Repeating the successful process creates consistency and muscle memory, then it becomes automatic.
Trying to source a set of rings for the 7-10A and I’m getting conflicting part #s. The IPL I have says ring set is #63290. I’m looking on line and there are piston rings listed for the 7-10A part #87166. Do I have the wrong IPL?
Your tag number could shed some light as there were thin and thick ring pistons and two separate piston part numbers even though there is both a thin and thick ring 85239 according to my IPLs. 89732 is the thin ring set and 87166 is the thick ring set for the 85239 piston. The 63290 ring set is for an earlier (circa 1970) 69030 piston part number which has been superseded by the 85239, though which ring vesion doesn't seem to be specified in any info I have. Here are the options as of a Dec. 1974 publication. I'm sure others can elaborate and further clarify.
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