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Case Tractors Discussion Forum

my case 800 wont start

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paul case

10-24-2009 14:13:22

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i just purchased a case 802b from a friend 10 days ago. he had drove it home and shut it off 5 months ago and it wouldnt start. i found out that he had worked on the fuel tank and changed the fuel filters. when i got it home i bled the filters(it is a diesel) cleaned the oil bath air cleaner , bled the injectors,still no startie! i cant pull it because it is a caseomatic. it is a pretty straight old tractor . my neighbor said smeone he had look at it told him that it didnt make enough compression to start. sounds fishy to me because he drove it home? any help is appreciated. thanks

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J Heitkemper

10-24-2009 21:07:28

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 Re: my case 800 wont start in reply to paul case, 10-24-2009 14:13:22  
probably have fuel bleeding ISSUES to Clear Up .. they are no worse than any diesel of that era .....You Can pull 800 to start ....This is How ,,have a strong battery , place shifter in 6th or higher ,, While Rolling crank engine with Decompressor engaged on valves ,And Direct DRIVE lever engaged ... You will be able to tell when Tranny rolling drag begins to spin motor , At that point dump the valves on engine , AND IT WILL START .. 1st time i did this successfully I was 12 ,, OUT of necessity , because of a tired battery .. Used A hillside slope ..

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Jerry He

10-24-2009 16:12:35

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 Re: my case 800 wont start in reply to paul case, 10-24-2009 14:13:22  
Are you sure the compression relief is not on? It will spin easily and not fire. There is a four inch handle under fight side of dash that should be straight down. some people shut tractor off this way.

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10-24-2009 15:27:18

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 Re: my case 800 wont start in reply to paul case, 10-24-2009 14:13:22  
them 800's are a bugger to start when they run out of fuel. I cut an innertube so that the valve stem is in the center of about 10" square then clamp it over the fill hole on the fuel tank with a large hose clamp. crack the fuel at the injctor pump and presure the tank with 5psi through the valve stem. tighten line when you get clear fuel,keep pressure in tank while cranking engine, works every time for me.

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