Eccentric, thanks for your encouragement to give it another go. My ring compressor is on the bench in the picture below. If you don’t recognize it there is a hint in the last picture.
Belgian, an East Tennessee use for full wrap bars is simply to keep your saw upright in the back of your firewood truck. Didn’t really appreciate this until this past week, every time I looked by half wrap was on its side sliding around while the full wrap saws just took the rough ride in style.
Everyone, I don’t know how you keep up with so many project saws. But I am beginning to understand why you may have so many. In my quest to build a saw with the NOS PM850 cylinder I chanced upon, I acquired a PM570 to provide the “chassis”. After looking the PM570 over, I couldn’t just junk it so I bought a burned up 10-10 for the 570 motor. After a $60 trip to NAPA for necessary expendables, I assembled with lots of help from this site the 570 only to discover that the crankcase is different than a 10-10 –duh! So I am now putting the 570 together and I’ll look for another donor saw for my real project. I’m sure you been there, but after disassembling the 570 again due to the oil pump valve grinning from the bench I proceed to lose one of the small intake screws – I spent the next two hours looking for it including disassembling the saw a third time to see if it was lodged in somewhere. It wasn’t. Never did find the screw even after sweeping the floor. Finally gave up late last night and tried to start it – no fire. Now why didn’t I start there first? I changed out the coil from the 10-10 but still no fire. Today, I filed the points and swapped the condenser. FIRE! And it will start with a prime, so I guess I’ll rebuild the carb this week. By the way, I discovered the reason the 570 had next to no compression – the top piston ring was broken.
Below are some pictures of my Labor Day workout with my PM800’s. Spend more time hauling and unloading than I did cutting but I really enjoyed the power advantage of these saws over my PM700 and my 036 Pro. I did a little tweeting to the frame of my favorite 800 when a 20” stem rolled on me. The culprit was attached to the tree in the next to last picture. It was my last tree – 42” at my last cut to sever it from the twelve foot root ball that wanted to fall into me instead of righting itself as most of the other trees did. A little vice and hammer work should fix the 800.
Pictures in order: 2 shots of 570 and ring compressor; firewood site and this week’s hauling left; Labor Day’s hauls; tweeted 800; culprit and ring compressor donor.
Thanks again for all the helpful advice and good reading.
Ron
Picture continue in next post.
I want onea those 
