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49A been sittin'

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MarcusH

12-07-2000 17:37:57




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Recently acquired a 49 A. Had been sitting for a few years. I changed the oil before I even tried to fire her up. (Drained almost 4 gallons of oil out of the crank case, I know something isn't right and that is a different story, but the coolant level wasn't appreciably low and stays ok...) After I changed the oil and shot some oil into the cyl's, put in some fresh gas, I drug her and she started in short order. I've had her running and done a little work on my 5 acres with it. I went to check the oil the other night and it was pretty grey so I changed it again, (Less that 2 hours total running time). When I had the plug out I stuck my finger up and felt about 1/2" of crud in the bottom of the case. QUESTION: Should I take to top off and try to clean it out with a pressure washer, wash some mineral spirits or some other solvent around in it, or leave it alone and just change the oil as it gets dirty? I killed a car engine one time by cleaning the inside out and floated some large chunks of crud loose and don't want to cause an engine rebuild now, It runs pretty good and has good oil pressure. Thoughts?

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Tracy Redd

12-08-2000 10:03:48




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 Re: 49A been sittin' in reply to MarcusH, 12-07-2000 17:37:57  
I had 52 model B. the model b does just like your Model A. what i did, i drain the oil and take crankcase cover off and i pour automatic transmission fluid to clean it out and then drain it out. put the cover back on, put new oil and oil filter. i started runs for 2 days then i change oil agian. I did that about 3 times. Then when I check oil, it turn out clean oil. no grey color oil.



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Bill

12-08-2000 09:17:39




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 Re: 49A been sittin' in reply to MarcusH, 12-07-2000 17:37:57  
If you have already had it running, then the bearings have an oil coating on them. I would take the crank cover off, pull plug and filter, put plug and filter cover on,then pour gas down in the crankcase. Use a rag and swob any and all you can reach. Drain and do again, and again, and again untill you are satified. When you start to close things up, quirt oil on rod and main bearings, then fill with good quality oil. Turn the engine over several times to make sure oil is on everything, then start. I have done this many times and never had any problems, Hope this helps Bill

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rollo

12-08-2000 04:28:23




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 Re: 49A been sittin' in reply to MarcusH, 12-07-2000 17:37:57  
You're not going to damage an "A" if you clean out the mess in the bottom of the crankcase carefully. You probably should open it up and check the wire mesh screen over the oil pump housing , and while you're there, clean out the rest with diesel fueleor the like. I wouldn't pressure wash it; that would scatter the crud in the bottom up into the cam shaft, governor, etc. I just poured in the diesel fuel, stirred it with my hands, and drained it out - twice. I'd also take the oil pump apart and check it while I was doing all this, to make sure it wasn't clogged by the cleaning. My crankcase had sticks and everything else in it.

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Mike Aylward

12-07-2000 20:06:10




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 Re: 49A been sittin' in reply to MarcusH, 12-07-2000 17:37:57  
Marcus, the way I would fix this may differ from the other post(s). I would take off the crankcase cover and get that stuff out of there. Scrape out all you can by hand, then overfill with diesel fuel, kerosene, or some solvent such as this after you have replaced the oil filter. You may not be able to do this, but when I get a tractor in that is like this I like to belt up to it with another tractor and let the pair run for an hour or two, then check the inside out again. Of course, when you do this you want the crankcase cover back on! Get that stuff out of there as soon as possible, put in some good quality oil, and keep it changed often to avoid this in the future. I use the same diesel oil in my old tractors that I use in my newer diesel field tractors without problems. Hope this helps. Mike

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Donny-B

12-07-2000 19:11:30




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 Re: 49A been sittin' in reply to MarcusH, 12-07-2000 17:37:57  
I found out the hard way why not to break loose the gunk in the bottom of a crankcase. I was working on the restoration of an Allis C. It ran good and had good oil pressure. I changed the oil/filter and used HD oil and a quart of trans fluid thinking it would wash out a little crud that had built up in 50 years. What happened was it aggrivated half an oil pan of glop that was sitting dorment around the oil pump pickup and in 20 minutes promptly shut off oil supply to the engine! After almost toasting the crank my only fix was to remove the pan and using a putty knife chisle out over 5#s of "clay". My advice is to use a non-detergent oil and change the filter frequently. This will allow the sludge to disolve gradually and be removed by the filter. If you deceide to overhaul the engine, thats the time to breakout the solvent and go to town.

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