440 "power plant"

General help and support for your Lindeman through 2010 John Deere crawler
krusty
430 crawler
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Re: 440 "power plant"

Post by krusty » Thu Dec 07, 2017 12:45 pm

Shame on me I damaged a conn rod. Live and learn.

Ordered an overhaul kit which would have been reasonably priced but adding in the new conn rods this better fire up when back together.

Original conn rods had closed tops, newer style and also in the larger 53 engines has nozzles on top to spray oil up under the piston head for cooling. These rods need an external oil cooler. My 2 cyl of course does not have an oil cooler. So once I get it back together and if it runs I will need to find an oil cooler. Grrrrr.

Last nite I got the main bearings in without issue. There was normal wear on the old mains, but nothing indicating poor maintenance or abuse.

Friday nite I should get the rest back together and fingers crossed for a Sat AM startup.

Found some good Detroit wisdom in Southern Ont if anyone needs in the future. Old time diesel mechanic of 55 years.

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shinnery
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Re: 440 "power plant"

Post by shinnery » Thu Dec 07, 2017 6:51 pm

I believe you are going to have to find a source of full pressure oil for your cooler. The oil filter on these engines in Deere crawlers is bypass only. I have not studied them enough to know if you can get enough oil out to a cooler for it to work and back in the engine.
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krusty
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Re: 440 "power plant"

Post by krusty » Fri Dec 08, 2017 9:21 am

Thx for the tip on bypass filtration. Like I said if it runs the whole oil thing will be phase II. But the use of a bypass filter does explain the amount of sludge in the oil pan.

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Lavoy
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Re: 440 "power plant"

Post by Lavoy » Fri Dec 08, 2017 10:37 am

You can have the oil cooled pistons without an oil cooler itself. They will still spray the oil, will still cool the pistons. They were more critical in the engine with turbos and or at higher hp. You are running below Detroits lowest spec for a 2-53 and lower RPM, I wouldn't worry about it.
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Parts and restoration for antique and late model John Deere crawlers.
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krusty
430 crawler
430 crawler
Posts: 53
Joined: Fri Apr 08, 2011 12:46 pm

Re: 440 "power plant"

Post by krusty » Wed Jan 03, 2018 10:37 pm

Funny how a month passes by like that but.....it lives!

Well sort of. I had it outside to work on it which was not a big deal per se and then the temps dropped like a rock. I installed the compression rings without issue and thought I got the scraper rings in fine but it was clear that I broke them upon installation. Turns out there is an engine rebuilder near me and all they do is engines for every garage in the west end of town. They were super helpful and one of the old timers rebuilt many a '53 from skidders at his old job. He said the easy way is to have the special detroit ring installer which he had at home. Ordered more rings and he installed the pistons in the sleeves in a matter of minutes. Getting the rest back together was not an issue thankfully.

Had to wait for it to warm up to a balmy -10C and threw a construction heater on the block for an hour. Cracked the injector line to ensure remove the air in the lines. It started right up! It runs only for 2 - 20 seconds at a time. I think there may be crud in the tank or something that blocking the flow of fuel to the filter and hence the deviation and short runs of the engine. I have had similar problems on most of my old equipment I have brought home. Will get a new fuel filter and clean the lines. Hopefully that solves the problem. I had wedged the linkage between the gov and the rack to ensure it was not the gov affecting things and you could see the position of the rack with the valve cover off.

If it is not crud, any other ideas? My next suspicion would be the fuel pump. Is seems like it is just running out of fuel. No other wierd symptoms. Also got a lead on another 253 for cheap but was too cold to go make the trip to pick it up.

krusty
430 crawler
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Re: 440 "power plant"

Post by krusty » Thu Jan 04, 2018 5:13 pm

One more thing....in the detroit manual it states the fuel filter is downstream from the pump, but my current setup has the tank gravity fed into the filter and the pump drawing out of the filter. Once it warms up again I will work on the fuel flow confirmation.

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Lavoy
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Re: 440 "power plant"

Post by Lavoy » Mon Jan 08, 2018 9:56 am

I had the fuel line from the filter to the pump collapsing internally on one that would make it starve and die out.
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Parts and restoration for antique and late model John Deere crawlers.
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krusty
430 crawler
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Re: 440 "power plant"

Post by krusty » Mon Jan 08, 2018 10:03 pm

Thanks Lavoy,

Was going to move it into the garage to work on it yesterday but my old tractor shift forks need a bit of work. Why do things break in the winter I wonder????

The Detroit manual says to run the return fuel line into a cup to ensure consistent flow and no bubbles so hoping it is an easy fix. Or at least easy to isolate. Started right up again today. First task tomorrow is to get the shift forks back in action on my old IH though.

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Lavoy
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Re: 440 "power plant"

Post by Lavoy » Tue Jan 09, 2018 9:18 am

Mine would flow like it was supposed to every time I tested it, only failed under load after working for a while. Line looked good externally, but the inside was deteriorating and collapsing.
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