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Farmall & IHC Tractors Discussion Forum
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Wet Stacking UD-9

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Mike in Shendoa

03-23-2007 18:56:10




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A very good friend of mine was using his power unit on a sawmill when it suddenly started blowing liquid engine oil out the muffler.It still runs smooth with no miss or anything.Injection pump oil level is ok. engine oil is not overfull and is not diluted. NO blowby-even loosened the oil filler cap while running-no pressure buildup.Vent is clear. Oil is all over everything-the flat belt,part of the carrage,etc. Not much smoke either,just lots of oil.So whats up? Is there any thing that could happen in side the valve cover that might come loose causing this?

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Mike in Shendoah Valley

03-25-2007 05:36:46




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 Re: Wet Stacking UD-9 in reply to Mike in Shendoah Valley, 03-23-2007 18:56:10  
Thanks fellas for all the info, I'll check and get answers to all your questions and get back to you



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RustyFarmall

03-24-2007 07:52:27




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 Re: Wet Stacking UD-9 in reply to Mike in Shendoah Valley, 03-23-2007 18:56:10  
I am certainly not a diesel expert, but I think I will side with Roger Mills and go with a bad injector.



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Roger Mills

03-24-2007 07:14:19




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 Re: Wet Stacking UD-9 in reply to Mike in Shendoah Valley, 03-23-2007 18:56:10  
Will it idle down and run smooth? Is the crankcase oil level staying on the full mark? If both are true then no holes in pistons. Besides you said no overpressure from breather. Does it make LOTS of black smoke under load? Does it puff black smoke at idle? If so you may have a stuck injector or just way too much fuel for the air flow. I only work on 250-1000 HP power plant diesels and then not very often but if what is coming out of the exhaust is partly burned fuel oil then it is getting too much on one or more cylinders.

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John M

03-24-2007 06:14:44




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 Re: Wet Stacking UD-9 in reply to Mike in Shendoah Valley, 03-23-2007 18:56:10  
Does it have a thermostat in it? I would think a sawmill would work it good enough to keep it from stacking, unless its a small saw mill.



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billde

03-24-2007 05:28:36




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 Re: Wet Stacking UD-9 in reply to Mike in Shendoah Valley, 03-23-2007 18:56:10  
Sounds like you are leaking oil around the stem of an exhaust valve.



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Allan In NE

03-24-2007 03:21:28




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 Re: Wet Stacking UD-9 in reply to Mike in Shendoah Valley, 03-23-2007 18:56:10  
Look something like this? :>)

Diesels don't like just putzin' around. Lay 'er into the tugs and make it work.

Allan

third party image



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JayWalt

03-23-2007 19:24:52




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 Re: Wet Stacking UD-9 in reply to Mike in Shendoah Valley, 03-23-2007 18:56:10  
a good old compression test outta tell ya something.

Good luck



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Gary in Mozarks

03-23-2007 19:00:22




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 Re: Wet Stacking UD-9 in reply to Mike in Shendoah Valley, 03-23-2007 18:56:10  
hole in a piston?



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Mike in Shendoah Valley

03-23-2007 19:21:18




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 Re: Wet Stacking UD-9 in reply to Gary in Mozarks , 03-23-2007 19:00:22  
Don't know-but she's smooth w/ no miss at all



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