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Tractor Talk Discussion Forum

How to clean out cylinders

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old

10-14-2006 11:26:01




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Got one in that the cylinders, 2,3,and 4 seem to have a lot of rust/dirt in them. It tries to start but because of the dirt and rust fouls out the 3 plugs before it can start up. Short of pulling the head how can a guy get this stuff out of the cylinders?? By the way this is an an Allis D-17. I've filled the cylinders with oil and turn it over with out the plugs in, also did that with gas, then carb cleaner and PB. So far nothing is working to clean them out enough to get it to fire up. Any body got some other ideas. If I could turn it over by hand I'd just get each cylinder to the point the exhaust valve was open and pout oil in the exhaust manifold but I can't do that at this time. Thanks for any ideas be them good bad or just plain crazy.

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buickanddeere

10-15-2006 19:14:33




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 Re: How to clean out cylinders in reply to old, 10-14-2006 11:26:01  
A short cut repair will end up with a short cut operating machine. Pull the head & pistons. If nothing else hone the cylinders and install fresh crank bearings. The only way it won't blow-by into the crankcase and guzzel oil. Is to overbore and install fresh pistons. If the cylinder walls are that bad. You can bet the head needs new not re-ground valves,seat and new guides. Sorry, there are no short cuts.

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old

10-15-2006 19:30:15




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 Re: How to clean out cylinders in reply to buickanddeere, 10-15-2006 19:14:33  
Well most of the time I would agree but on this one I have to say your wrong. After many times of pulling the plugs and cleaning them this old D-17 purrs like a kitten and has no smoke. I have since checked all the plugs and they look very good and even the oil preassure is real good. I think what happen was the big can over the exhause let bugs and all sorts of other stuff in to the engine and when I did get the stuff out all is well on it. Now when I go to fire it up it fires right up with only a few turns of the crank. I had figured this would be a parts tractor but looks like its going to be fixed up and used again as it should be

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Sloroll

10-14-2006 12:05:18




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 Re: How to clean out cylinders in reply to old, 10-14-2006 11:26:01  
Well, Of course the best way would be to pull the head but since you are really wanting to start it, there are sparkplug adapters for worn out tractors that blow a lot of oil and debris. The adapter screws into the block and the plug into it. there is a smaller hole in the adapter to keep foreign matter out. Does the old heffer have a belt pully? I havn't been around D-17s much to remember. If so you could belt it to another tractor too. If there wasn't oil alredy in the cylinder you could open the valves and use a shop vac in the plug hole to remove some dry matter. I've done that too.

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old

10-14-2006 12:37:42




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 Re: How to clean out cylinders in reply to Sloroll, 10-14-2006 12:05:18  
Nope no belt pulley. But the good news is that I jsut kept at it and tring and tring and after pulling the plugs out 30 or 40 times and celaning them its up and running on all 4 and doesn't even smoke much which I almost couldn't believe. But boy does that hot rust fling out the exhaust hurt the bald place on my head LOL

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Sloroll

10-14-2006 13:29:22




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 Re: How to clean out cylinders in reply to old, 10-14-2006 12:37:42  
Yup, I know all about those glowing embers!



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oldcraneguy

10-14-2006 12:02:01




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 Re: How to clean out cylinders in reply to old, 10-14-2006 11:26:01  
Old, you could try vacuuming with a shop vac and some vinyl tubing and tape, if you dont get much out that way you could also stick a piece of copper tubing on your air blower and try that, If I was you I wouldnt do much more flushing though if it ran non-detergent oil most of its life you you can pretty easy wash away the deposits on the rings and she'll smoke like mad...I think Id keep cleanin the plugs (use starting fluid) till ya get it to hit, got spark? gettin gas?...just a thought...luck...Don

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old

10-14-2006 12:39:35




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 Re: How to clean out cylinders in reply to oldcraneguy, 10-14-2006 12:02:01  
Yep I just kept cleaning the plugs, 30 or 40 times but believe it or not its up and running and doesn't even smoke bad.
Thanks



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Coken

10-14-2006 11:59:47




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 Re: How to clean out cylinders in reply to old, 10-14-2006 11:26:01  
How about turning til the exhaust valve is open, putting a pipe down inside the spark plug hole and blasting with a lot of air? Maybew even one of those air/cleaner things.Point it down in and around.



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Areo

10-14-2006 11:32:08




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 Re: How to clean out cylinders in reply to old, 10-14-2006 11:26:01  
Is it towable? If so, I would tow it without the plugs in it and blow the rust out.

HTH

Areo



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old

10-14-2006 11:41:08




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 Re: How to clean out cylinders in reply to Areo, 10-14-2006 11:32:08  
Wish that was an option but it has bad rear tires on it right now. This is one that at a stage of figureing if its going to be parts or one to get back up and running. I prefer to get them up and running instead of parting them out but you never know till you get them running which way they are going to go.
Thanks

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biggerred

10-14-2006 18:13:21




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 Re: How to clean out cylinders in reply to old, 10-14-2006 11:41:08  
I had a 300 once that had the same problem, I pulled the plugs poured some diesel in all cylinders, and with the plugs OUT I turned over the engine and let it crank a few times. Man you should have seen the crap come shooting out of that engine. When it was all said and done, after a oil change, it ran like new.



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old

10-14-2006 18:31:20




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 Re: How to clean out cylinders in reply to biggerred, 10-14-2006 18:13:21  
I fill them with hyd fluid last night , then spun it over and gave it a try and the problem was still there. I then did that with gas, and same problem. I then used PB and carb cleaner and still there. I just kept cleaning the plugs over and over and after about 30 times they cleaned up and she not runs well so now to the next step of working on all the little things

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