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Post by ruffcut on Jul 15, 2024 9:22:52 GMT -5
Haven't posted anything in awhile but I thought this was worth sharing. Friend of mine was throwing an estate sale for his deceased father-in-law who was running small engine shop out of his garage. I came across this very oily C51 with no spark. The bar is junk but has good compression. I snagged that up since I don't own a C series saw but I was really excited on finding a Tillotson carb master parts and service manual. Picked up both for the $150   20240714_155956 |
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Post by blythkd on Jul 15, 2024 11:00:38 GMT -5
I might not write that bar off just yet. The tip and rails are the main factors. The rust on the sides will buff off.
Have you had the chain off yet?
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Post by ruffcut on Jul 15, 2024 11:29:42 GMT -5
I might not write that bar off just yet. The tip and rails are the main factors. The rust on the sides will buff off. Have you had the chain off yet? I haven't had a chance yet to take chain off but it's pretty stuck in there. One side of the bar is in pretty rough shape. I've put the saw in a flat plastic box and sprayed some Tri-Flow over the bar and chain. I'll let it soak for a few days and check it out. It's pretty grungy and oily so it needs to be cleaned really well. |
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Post by ronaldt on Jul 15, 2024 20:09:11 GMT -5
Haven't posted anything in awhile but I thought this was worth sharing. Friend of mine was throwing an estate sale for his deceased father-in-law who was running small engine shop out of his garage. I came across this very oily C51 with no spark. The bar is junk but has good compression. I snagged that up since I don't own a C series saw but I was really excited on finding a Tillotson carb master parts and service manual. Picked up both for the $150 20240714_155956That Tillotson manual is pretty cool! The saw is also. I enjoy the C series. |
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Post by xl130 on Jul 18, 2024 21:31:53 GMT -5
Soak that bar in cleaning vinegar for a week. That rust will wipe off with a scouring pad and WD40.
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Post by sparky on Jul 23, 2024 15:44:19 GMT -5
Tillotson catalog is a unique find. Modern day saw shops probably won't have anything like that. Cover art is cool too. Spritz white vinegar and Evaporust on chain for a couple days. Should come off okay.
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Post by ruffcut on Aug 4, 2024 12:18:48 GMT -5
So just an update. I have been soaking the bar with white vinegar for close to a week, and it's looking good so far! The first issue to resolve was to clean it. It was soooo packed with sawdust and bar oil. Next I had to figure out why no spark. Long story short, points were not to spec at .015, now I have spark. Put it back together to see if she would fire. No go, just sputters. The fuel line to the carb is rock hard, but the line going into the tank is good. I noticed inside the tank is dark and slimy, I need to take care of that. By-passed the tank to a good fuel line and small fuel bottle. Starts a little better but not much. I took the muffler off to check the piston and rings. There is a little scoring on the piston, but I have seen worse; it should be fine for now. Next thing I want to check is compression. Stay tuned!
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Post by ruffcut on Aug 4, 2024 17:47:28 GMT -5
I got a chance to check compression, 120 or less. I'm thinking the rings are sticking since there is quite a bit of carbon build-up. Piston and cylinder look pretty good. Going to let it soak for a few days with Mystery Oil and see how it goes!
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Post by stillsawing on Aug 5, 2024 12:56:44 GMT -5
Try Blaster. I soak the rings through both the intake and the exhaust ports. Removing the carb and muffler makes this easy. Also, the saw will fire on Blaster!
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Post by xl130 on Aug 5, 2024 18:57:08 GMT -5
Compression is pretty low on those saws I believe. I feel like 130ish is what I have seen on a couple that I had.
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Post by ruffcut on Aug 6, 2024 4:46:06 GMT -5
Compression is pretty low on those saws I believe. I feel like 130ish is what I have seen on a couple that I had. That's good to know. After soaking for 2 days I'm now getting a little over 140ish. This my first "C" series chainsaw thinking the compression would be over 150. |
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Post by blythkd on Aug 6, 2024 12:23:27 GMT -5
140 is fine. It may come up some more after you run it. Either way, you're good.
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Post by ruffcut on Aug 12, 2024 18:20:59 GMT -5
Update, The bar is coming out nice, cleaned up really well. Looks like a Homelite bar mount. The chain is a Carlton B1 drive link and what I can find, it's .404 pitch, .050 gauge. It's cleaning up pretty good but taking longer then the bar, but boy, It's really loose, like I can twist the chain 180! Bought a carb kit on Ebay showed up the other day. Cleaning the inside of the fuel tank with white vinegar, flushing with water and repeat. I'm hoping to get it running by Labor Day to bring it up to camp to start cutting up some stovewood for this winter. More later!
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