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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
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Overhaul on 1850D

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Steve

02-21-2004 20:14:54




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I'm going to be opening up an 1850 D. soon and overhauling it. Are there any updates or things I should be changing, like the 310's? Thanks.




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Brad

02-21-2004 21:14:10




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 Re: Overhaul on 1850D in reply to Steve, 02-21-2004 20:14:54  
There isn't much of anything that perkins didn't have figured out in the factory. New rod nuts is a good idea. If you want to splurge convert the injection pump drive over to the new style drive to eliminate the high rpm no load flutter.



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WFE

02-22-2004 20:35:54




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 Re: Re: Overhaul on 1850D in reply to Brad, 02-21-2004 21:14:10  
Brad,

I'm not very familiar with the 354 Perkins in 1850s, but have one that runs perfectly at idle and up to about 2100 rpm. Above that, it sounds like it's missing. Is this what you're talking about in terms of an update to the pump drive? I was guessing the injectors had maybe coked up or something and was thinking of pulling them, but after reading your above post, wonder if it's not exactly what you are talking about. Any more details about this update? The motor is in great shape otherwise and is really strong for a tractor that's only supposed to run some 92 hp.

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Brad

02-23-2004 06:32:15




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 Re: Re: Re: Overhaul on 1850D in reply to WFE, 02-22-2004 20:35:54  
WFE, usually it is a combination of wear on the bronze injection pump drive gear, the inner steel piece that it bolts to that one end of the splined coupler goes in to, the splined coupler, and the splines on the inside of the injection pump. playing with the timing can sometimes get rid of it, but not always. to completely eliminate it without question you need to convert over to the 2-105 style drive. this requires a thrust plate that goes under the gear, the new drive gear, a thrust plate that goes on top of the gear, a 2-105 adaptor that the pump bolts to and changing the pump housing and drive to the 2-105 style. you have to pull the timing cover off to do this, thus pulling the cam gear to get the timing cover off. white sold a kit to change it over years ago, but I have never put one on. I usually just piece all the parts togeter myself.

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J. Schwiebert

02-23-2004 06:07:36




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 Re: Re: Re: Overhaul on 1850D in reply to WFE, 02-22-2004 20:35:54  
WFE:
I put one of those kits on before I left the dealership in 1976. Everything in that package at that time came in a M F box. That little spline coupler will twist and make the timing late. I am in the UK on a family visit but get in tough with me next week. Do you have access to a nozzle tester. We had another one that did this and we just flow timed the pump on the tractor which solved the problem>John

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vern in ne ks

02-22-2004 05:52:30




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 Re: Re: Overhaul on 1850D in reply to Brad, 02-21-2004 21:14:10  
This is a dry sleeve engine, will need a real good sleeve puller. They are quite snug.



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Larry Mills

02-23-2004 03:13:35




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 Re: Re: Re: Overhaul on 1850D in reply to vern in ne ks, 02-22-2004 05:52:30  
Put a CummingsD in it!!!!!



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