Posted by jon f mn on February 01, 2021 at 02:09:09 from (174.219.22.21):
Finally got the 400 together and running this weekend. Started with this project years ago as I bought it with a bad head gasket. I went through the engine then, but as is all to typical for me, I saved $300 by not having the block planed. So that meant it wouldn't hold a head gasket. I tried several things to get it to hold, but it wouldn't. Then I found a newer engine from a combine to put in it. Did that last year. Then I started to get water in the oil on that one. That is not uncommon on these older case engines as the seals are 60 years old and they get hard and leak. In this case tho it wasn't the seals, it had two cracked sleeves which I found while honing them to reinstall. They were cracked around the o-ring groove at the bottom of the sleeve. Seems that is rare since I haven't found anyone who has seen it before.
So I had some used sleeves from the 1030 that I rebuilt that weren't worn much. But when I started looking at them I found one out of round, two that were corroded around the top lip from a head gasket leaking, and one that was cracked around the upper lip where it sits on the block. Those issues do happen sometimes, so that was not a surprise. But I did find four usable sleeves from the ten I had.
I cleaned up the sleeves and honed them good. The pistons got new rings. I also put new rod bearings in and had the heads rebuilt with new valves and seats. That was most of the reason for the delay of a year this time. I told the head guy that there was no hurry. Lol.
Anyway, worked the last two weekends getting it together.
I added this tank heater to help with cold weather starts.
It works pretty good too, I plugged it in for a few hours before the first start and the engine showed 180 deg when it started. After a good warm up and re-torquing the heads it finally got moved outside.
I let it run at various throttle settings for an hour or so then took it for a drive in the fields in the snow to add some load. Used the brakes a little to get it good and warm, then let it run some more. After it had 2 1/2 hours or so I decided to put it on the grinder/mixer to see how it did. The video is below. It handled it great and seems to be running fine. I mostly just ran it under light load, but hit high gear to make it work some a couple times. Seems to run great. Hope this is the last time I have to take it apart.
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Today's Featured Article - A Lifetime of Farm Machinery - by Joe Michaels. I am a mechanical engineer by profession, specializing in powerplant work. I worked as a machinist and engine erector, with time spent overseas. I have always had a love for machinery, and an appreciation for farming and farm machinery. I was born and raised in Brooklyn, New York. Not a place one would associate with farms or farm machinery. I credit my parents for instilling a lot of good values, a respect for learning, a knowledge of various skills and a little knowledge of farming in me, amo
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