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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
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Rebuild will not start

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Steve O.

08-31-2004 15:11:04




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Hope somebody can help me out? I have just completed atop to bottom rebuild on an Oliver 232 6cyl diesel.Every thing has been replaced.
The injector pump has been refurbished by a factory auth. service. it wants to fire but just sputters. It ran for about 5 seconds.I have bled
the fuel system many times. I have found some leaks on the return lines. Will be replacing all before next attempt.This is my first diesel and although I under stand the concept of the injector pump,I don't know if there is something I should be fiddlin on it while cranking. I have the throttle wide open per recomendation or the folks who rebuilt it. I am also going back to square one on setting the timing.When I originally set it i Watched the #1 intake drop and dialed it to the top on that revolution, and stopped at 4deg BTDC. Ihave since obtained a correct book for my machine and it says I should be at 2deg ATDC. By the way not that it makes any differance my machine is a White 2-63 Industrial TLB. Thanks for any help.

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Steve O.

09-18-2004 04:53:23




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 Re: Rebuild will not start in reply to Steve O., 08-31-2004 15:11:04  
Still unable to start Engine! I have removed the Head to re establish TDC. I also removed the injector pump to re reinspected by the folks who rebuilt it,they say the pump is good and works fine they checked the pressure out put and it is within spec. My next Question is what type of service needs to be done on the energy cells ? I have removed the 3 parts but without a special tool am unable to remove the body. I am going to try to lap the body and plug surfaces together instead of separate on a glass surface as recommended. Is this O K? Also The folks who rebuilt the pump stated that because this is not aglow plug style engine that i must always use the manifold heater as it basically starts a fire in the intake to ignite the fuel? true or false? Thanks

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Kent of SW MO

09-03-2004 06:45:14




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 Re: Rebuild will not start in reply to Steve O., 08-31-2004 15:11:04  
I sound like to me you are using the gas engine timing data. On most diesel engines the injector pumps are timed between 15 and 25 degrees Before Top Dead Center.

Kent



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Mike KY

09-01-2004 11:36:16




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 Re: Rebuild will not start in reply to Steve O., 08-31-2004 15:11:04  
If you had #1 intake starting too open, #6 is on compresion . #1 will be on tdc compresion when intake on #6 is starting too open. You may be 180 off on your timing.



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dwm

08-31-2004 20:50:29




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 Re: Rebuild will not start in reply to Steve O., 08-31-2004 15:11:04  
I would think you are on the right track with checking both engine and the injector pump timing. Also, did you have the pump tested? Did you have the injectors checked?
One old war story in a similar situation. Many years ago, a friend of mine overhauled a 1650 diesel (283 cube). He couldn't get it started, and asked me to come help try to pull start it. When we did this, turning it over faster than the starter could, we noticed white/blue smoke coming out the air intake. When I noticed this, I put my hand over the muffler while moving in gear, and sure enough, suction. The camshaft was out of time 180 degrees. He later said there were two marks, and he used the wrong one. With this corrected, it fired right up, and is still running strong today. Point is, check everything. Good luck.

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RussR

09-04-2004 16:19:32




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 Re: Rebuild will not start in reply to dwm, 08-31-2004 20:50:29  
Oliver 283CID hissy fit: Steve O's war story sounds like a winner to verify if your timing is 180 out and the earlier string that diesel intake cycle starts earlier than 2 BTDC makes a bit of sense when compression is up in the 18:1 area.
Good luck.



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