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Case 400 Smokes but won't start

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nayr272

12-12-2012 08:25:31




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I have been working on a case 400 diesel that I cannot get to run we pulled it for 30 minutes, it smokes but will only run on either and we had it plugged in overnight. any ideas? Thanks.




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nayr272

12-12-2012 15:40:02




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 Re: Case 400 Smokes but won't start in reply to nayr272, 12-12-2012 08:25:31  
Got it running, the pump was 180 degrees off.



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RGMartin

12-12-2012 15:54:07




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 Re: Case 400 Smokes but won't start in reply to nayr272, 12-12-2012 15:40:02  

nayr272 said: (quoted from post at 19:40:02 12/12/12) Got it running, the pump was 180 degrees off.


Don't feel too bad, I did that to a 970 once. It ran, but wasn't happy about the experience. Smoked like a coal fired train, terrible throttle response, wouldn't idle. Didn't know they would run 180 out.
This post was edited by RGMartin at 15:54:31 12/12/12.

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EliG

12-12-2012 12:53:57




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 Re: Case 400 Smokes but won't start in reply to nayr272, 12-12-2012 08:25:31  
First of all I would recommend not using ether on this engine. Eventually the heads will crack.

Timing has been mentioned.

Is the compression turned on? The lever under the dash on the right hand side should be parallel to the steering column (pointed down) for it to be on.

Has the fuel system been bled properly and is the transfer pump bypass valve closed on the first stage filter housing?

Are the throttle linkages hooked up correctly and is the control arm on the pump indexed properly? If any of this is out of adjustment it may be getting enough fuel to smoke but not fire.

How is the block heater plumbed? When I got my 400 diesel the outlet of the heater was plumbed into the plug on the top of the water manifold. This did a good job of heating the radiator and left the block stone cold. During the overhaul I plumbed the new 1000 watt heater into the plug on the left side of the engine towards the front of the block. It easily heats the water to 100+ degrees in about 1 hr.
Good luck and keep us posted.

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830 man

12-12-2012 08:56:43




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 Re: Case 400 Smokes but won't start in reply to nayr272, 12-12-2012 08:25:31  
Compression test may be in order.



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j hikemper

12-12-2012 08:31:05




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 Re: Case 400 Smokes but won't start in reply to nayr272, 12-12-2012 08:25:31  
remove air filter neck ,need more history info ,. if fuel pump removed ,, the timing is not rite ,.800b caused a lot of good fellas round here to loose their religion , before we finally timed it up rite ...



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nayr272

12-12-2012 09:00:15




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 Re: Case 400 Smokes but won't start in reply to j hikemper, 12-12-2012 08:31:05  
the timing should be fine the engine has never been taken apart, however it ranaway on my dad about two years ago and we just got the pump fixed.



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830 man

12-12-2012 09:14:50




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 Re: Case 400 Smokes but won't start in reply to nayr272, 12-12-2012 09:00:15  
Was the pump removed to be fixed? If so tje pump timing may be off.



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nayr272

12-12-2012 09:25:59




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 Re: Case 400 Smokes but won't start in reply to 830 man, 12-12-2012 09:14:50  
yes the pump was off, I realized that now after looking closer at the manual I guess I thought that It could only go on one way because there is one tooth that is bigger than the rest.



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