Cool as then.
That's a real nice 1 you got there and a nice bar too
. Looking forward to running this bad boy. Going out today wahoo
McCulloch Chain Saws
- Thread starter Bruce Hopf
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Cool as then.
That's a real nice 1 you got there and a nice bar too
. Looking forward to running this bad boy. Going out today wahoo
That would be a great deal here for a complete runner with a bar and chain. I think you did quite well at that price.
Yeah only a 20 inch hard nose on it but brand new chain atleast. Av mounts are stuffed currently rolling ideas of a fix around the head at the moment.
Thinking of cutting blocks of rubber and putting a screw and nut right through the lot so four total
Has anyone here worked on the oiler system on a Timber Bear saw. The standard 600 series MAC. I cannot get the manual or auto oiler to work and I'm pretty sure I have it narrowed down to the check valve disc.
Can anyone tell me if the disc is the standard aluminum type disc that's found in the 10 series or is it a rubber disc or am I barking up the wrong tree?
Thanks
Can anyone tell me if the disc is the standard aluminum type disc that's found in the 10 series or is it a rubber disc or am I barking up the wrong tree?
Thanks
Make a mold, pour some polyurethane and report back. Or you can use a screw and nut through the existing - I have done that with acceptable results.
Ron
Out of curiosity, what style transfers does it have? (Should be able to easily check through the plug hole.)
NorthEast Tennessee Saturday MAC Report
Beautiful still day in North East Tennessee with frost on the ground. Brian, Lee and I bucked into firewood the remaining logs at our recent creek side spot. Brian also bucked the ash I felled last Saturday. Not sure if he was running his 800 or his 805. Lee had a 1010 of some variety going and I was using my 700 with the brush bow until the bow got a little hot while cutting larger than bow pieces (I know it is not designed for that but I drove off this morning without my 800). Brian did a little tuning on the 700 while I held it in place. I had forgotten how loud those things are without muffs. Actually painfully when he would accelerate it. Unlike the 800s the 4 stroking was easy to discern. I don't think it has been that well tuned in the 39 years I have owned it. After the hot bar, I finished up with my off brand 62cc saw.
Lee in the foreground with a 1010 and Brian in the background with an 800 or 805.
PM700
Beautiful day with the mountains as a backdrop.
We had a good lunch prepared by a small local church. Told Brian that I was done for the day so I could get some chores done, but then a call from a damsel in distress was received. Seems a large tree had fallen across her driveway last night taking the power pole with it. Electric company restored the power but left the tree. A local tree service was called but she couldn't afford the quote. We agreed to go help her. We were told she responded in tears. We were also told it was a 28" tree. We didn't bother retrieving my 800 or any fresh chains for Brian's. Got there to find three men who had given up cutting on it with what appeared to me to be a Wildthing. The tree was dead, a hard as a rock, ready for the stove oak that was more like 32"+. We attacked it from both ends, Brian with his 805 and me with the off-brand. Wasn't long before we had dulled both in the gravel. Fortunately, Brian had also brought his 800 (which as you should know by now is really fun to run). I used it to finish chunking the stem into pieces that 2 or 3 men could handle and they cleared the road. Lady insisted on giving us what appeared to be $20. I gave in and took it as a donation to the ministry. Got back home to discover that she had wrapped the $20 around 4 crispy $20s. We need more folks like that.
Ron
This valuable report is provided through the the generous support of MacNuts like you and Blind Squirrel Falling, one of America's greatest imaginary businesses
Beautiful still day in North East Tennessee with frost on the ground. Brian, Lee and I bucked into firewood the remaining logs at our recent creek side spot. Brian also bucked the ash I felled last Saturday. Not sure if he was running his 800 or his 805. Lee had a 1010 of some variety going and I was using my 700 with the brush bow until the bow got a little hot while cutting larger than bow pieces (I know it is not designed for that but I drove off this morning without my 800). Brian did a little tuning on the 700 while I held it in place. I had forgotten how loud those things are without muffs. Actually painfully when he would accelerate it. Unlike the 800s the 4 stroking was easy to discern. I don't think it has been that well tuned in the 39 years I have owned it. After the hot bar, I finished up with my off brand 62cc saw.
Lee in the foreground with a 1010 and Brian in the background with an 800 or 805.
PM700
Beautiful day with the mountains as a backdrop.
We had a good lunch prepared by a small local church. Told Brian that I was done for the day so I could get some chores done, but then a call from a damsel in distress was received. Seems a large tree had fallen across her driveway last night taking the power pole with it. Electric company restored the power but left the tree. A local tree service was called but she couldn't afford the quote. We agreed to go help her. We were told she responded in tears. We were also told it was a 28" tree. We didn't bother retrieving my 800 or any fresh chains for Brian's. Got there to find three men who had given up cutting on it with what appeared to me to be a Wildthing. The tree was dead, a hard as a rock, ready for the stove oak that was more like 32"+. We attacked it from both ends, Brian with his 805 and me with the off-brand. Wasn't long before we had dulled both in the gravel. Fortunately, Brian had also brought his 800 (which as you should know by now is really fun to run). I used it to finish chunking the stem into pieces that 2 or 3 men could handle and they cleared the road. Lady insisted on giving us what appeared to be $20. I gave in and took it as a donation to the ministry. Got back home to discover that she had wrapped the $20 around 4 crispy $20s. We need more folks like that.
Ron
This valuable report is provided through the the generous support of MacNuts like you and Blind Squirrel Falling, one of America's greatest imaginary businesses
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3 finger ports, the same as that 7-10
Thanks for checking. I would guess it probably has the thick ringed full skirt piston, too.
Al Smith could probably shed some light on the subject. Those oilers seem to strike a nerve with him every time the subject comes up over on Opie.
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It is thick ringed and full skirt.
I thought of Al but he typed on the other place that he never could get one to work. I even gave Mark a call but he's never had to work on the oiler.
I hoping for a little info before it all goes back together for all time and sits quiet for as long as I own it.
It really starts and runs well. A friend gave it to me.
I hoping for a little info before it all goes back together for all time and sits quiet for as long as I own it.
It really starts and runs well. A friend gave it to me.
I thought he may at least know the answer to your question about the material used for the little disc. I think he may also have a number of NOS oilers collecting dust for a rainy day since he could never figure out how to actually fix one. May be able to talk him out of one.
Thanks. That settles it for me, then. I'll order the 69412 piston and 87166 rings and just take my chances on the cylinder not being too far out of original spec.
Item 12 is the check valve, same part number as the check valve in the early 10 Series saws, 62909.
Tim - I may be just a bit senile...
Mark
So what is the common (preferred?) method for removing and installing press fit wrist pins and bearings? I have an arbor press, but only two hands and no real jig except a block of wood with a hole in it. I've seen the puller type tools that look like they would be pretty simple and effective.
Thoughts? Opinions? Experience?
Thoughts? Opinions? Experience?
kbeck
ArboristSite Member
I used a shop press but needed 4 hands need to make a jig would have been easier if I removed the rod from the crank but didn't want to go there yet
I put a few photos and ideas in my PM850 rebuild thread.
https://www.arboristsite.com/community/threads/mcculloch-pm850-rebuild.331866/
It is a good idea to use a heat gun or heat lamp to warm up the piston a bit before installing or removing the wrist pin. If not, you run the risk of stretching the bore in the piston or scraping a bit off the piston each time to remove and reinstall the wrist pin. Too many operations and the fit becomes too loose.
I made one of the puller type tools when working on some 3400 Poulan saws, it works well enough but I still use the press most of the time.
Mark
https://www.arboristsite.com/community/threads/mcculloch-pm850-rebuild.331866/
It is a good idea to use a heat gun or heat lamp to warm up the piston a bit before installing or removing the wrist pin. If not, you run the risk of stretching the bore in the piston or scraping a bit off the piston each time to remove and reinstall the wrist pin. Too many operations and the fit becomes too loose.
I made one of the puller type tools when working on some 3400 Poulan saws, it works well enough but I still use the press most of the time.
Mark
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I used a shop press and a couple of appropriate sockets. Not really hard to press. I'm sure an arbor press will do it.
Maybe get a friend to help with an extra set of hands.
