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farmall w-9 issues

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maestro

02-25-2006 06:29:02




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I have purchased a farmall wd-9 that does not run correct. I think it is a fuel issue. It appears that it doesn"t always fire on all cylinders. I have put new fuel filters on, cleaned the water seperator etc. I loosen the lines at the injector and their is fuel there but on a couple of them when the line is loosened it doesn"t seem to make a difference on the way the unit runs. It smokes blue bad when you run the unit on diesel. When you pull it hard it seems like it wants to come out of this but it doesn"t. Any ideas will be greatly appreciated. Thanks! Forever red, Maestro

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Don Wadge

02-25-2006 15:49:51




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 Re: farmall w-9 issues in reply to maestro, 02-25-2006 06:29:02  
I would venture to say it is definitely not a fuel problem. Usually a low compression problem will cause a cylinder to miss until the engine warms up and then they all hit fine. That is unless the compression is really low which I take it you have checked based on your post below. My best bet is that you have a couple of injectors that are 'pissing' (sorry about the language, but a lot of mechanics- that's what they call it). In other words they aren't atomizing the fuel when its injected and may even be cracking late. Unburnt fuel being exhausted causes blue smoke. It might also like to be called by it's right name. McCormick-Deering or McCormick. If Farmall works for you I guess that's OK. But, I can tell you they run entirely different by their right name. Nudge,nudge,wink,wink.

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Ted in NE

02-25-2006 13:50:41




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 Re: farmall w-9 issues in reply to maestro, 02-25-2006 06:29:02  
Could switch the injectors around. See if it stays with injector or cyl.



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maestro

02-25-2006 15:44:37




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 Re: farmall w-9 issues in reply to Ted in NE, 02-25-2006 13:50:41  
We were thinking about this. One of the injectors is stuck in the head. We have tried just about everything to get it out. Suggestions on this? Maybe I should see it! HA! Maestro



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Ted in NE

02-25-2006 18:57:17




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 Re: farmall w-9 issues in reply to maestro, 02-25-2006 15:44:37  
How does the engine statrt & run on gas? If the starting valves were stuck open should have fouled out the spark plugs for the cyls not fireing on diesel and be starting on 2 cyls on gas and very hard to start. Can be a real problem to remove the stuck injectors. Soak with good penetrating oil. Pry up and tap back & forth far as can.



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Ted in NE

02-25-2006 14:58:40




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 Re: farmall w-9 issues in reply to Ted in NE, 02-25-2006 13:50:41  
Did you check the compresion on the cyls that fire compared to the ones that do not? would still show some compression with a starting valve stuck open



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maestro

02-25-2006 15:42:11




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 Re: farmall w-9 issues in reply to Ted in NE, 02-25-2006 14:58:40  
What is the best way to check if starting valves are stuck? I have taped them all with a hard piece of Oak but they all seem loose. Is it possible something is under one of them? again thanks for all the help, Maestro



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M Wall

02-25-2006 09:55:29




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 Re: farmall w-9 issues in reply to maestro, 02-25-2006 06:29:02  
I would guess bad injectors. We have had a lot of wd 9's that run like that and all had bad injectors.



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Ted in NE

02-25-2006 07:25:24




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 Re: farmall w-9 issues in reply to maestro, 02-25-2006 06:29:02  
Are the cylinders that do not make a difference when you open the line side by side? Could indicate a bad head gasket if so. Could have aome starting valves stuck open. Quick check, leave changeover lever on diesel & throttle off. Crank over with starter. Can tell by speed it cranks over on cyls with low compression. Also could pull spark plugs ,should get no compression out plug hole on diesel



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maestro

02-25-2006 08:22:30




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 Re: farmall w-9 issues in reply to Ted in NE, 02-25-2006 07:25:24  
The cylinders are not side by side. The smoke is blue and it doesn't act like a head gasket. If it was a head gasket wouldn't the smoke be white? I did a compression check on the cylinders that didn't seem to fire and they are both up. It acts like on those cylinders that the fuel is going in there but it isn't firing it. Almost like it is pouring fuel into the cylindrs. Unburned fuel also starts to come out the exhaust pipe. I appreciate your help. Keep it coming. Maestro

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the tractor vet

02-25-2006 07:05:26




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 Re: farmall w-9 issues in reply to maestro, 02-25-2006 06:29:02  
Well i would have to say that you have compression problem , now here comes the COULD BE's one you have a blowen head gskt.You could have broken rings or a hole in a piston or a cracked head bad valves or a cracked blocked . OR it could be bad cam bushings in the injection pump . So anyway you look at it this is not just somthing super simple , Oh yea it also may be a couple stuck starting valves now that is sometimes simple to fix like i said sometimes.

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RustyFarmall

02-25-2006 07:03:07




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 Re: farmall w-9 issues in reply to maestro, 02-25-2006 06:29:02  
I am not an expert on diesels so take this with a grain of salt. It sounds like maybe you need to have the injectors cleaned and serviced, and there may also be some issues with the pump. Also, none of those older diesels like to be just putted around, they were designed to be worked hard. You may just need to put the 'ol gal on a heavy load and make her work until the temperature comes up and then keep her there for awhile.

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