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Engine not Turning Over - Found stuff jamed in the Ring Gear

E

enrightj

Member
Hi,

I have a 1952 Ferguson TEA-20 (appropriately named "Henry"). About two weeks ago I was running it harder than usual for about 2 hours. When the tractor was idling the engine stopped abruptly and wouldn't turn over. After taking out the spark plugs I was able to turn the engine over, but shortly after that the engine jammed again (at this point I was never able to actually start and run it after it originally stopped). I pulled off the oil pan to investigate potential issues with connecting rods, but all seemed well (no metal in the oil pan either). I checked the ring gear and found a washer sitting in the bottom next to a piece of metal jammed between the gear and the housing. Does anyone know what this washer could be? https://drive.google.com/file/d/0BxDBMlqVFJ9XemtmUWRBMEV6R0U/view?usp=sharing . I know I will need to split the tractor to get to the bottom of it, but I'm trying to prepare myself. I still don't know for certain of the piece of metal was responsible for preventing the engine from turning over.

Any help would be greatly appreciated!

Thanks,
Julian
 
About how big is the piece?

If it's about 1 1/2" diameter it could be a left over from a previously failed starter drive.

And yes, it looks like it may have been jammed into something. The closest clearance would probably be between the starter and the gear. Might pull the starter and be sure it isn't bent or damaged.

But once you got it out, and the starter is OK, no need to split the tractor.
 
Hi Steve,

I think it's about that size. I originally thought it was part of the starter bendix, but my starter looks fine and isn't missing any pieces. I have had the same starter in the tractor for as long as I've owned it (20+ years). Is there any chance that this piece could have been sitting around in the casing for that long?

Thanks,
Julian
 
Yes, it very well could have been in there a long time.

Why it decided to cause problems now, who knows?

Is this the type starter it has? Looks like the piece on the end.
Starter
 
Thanks for the information Steve!

I did some more poking around and my issue is more serious than I thought. With the oil pan removed, I can see there is a hole in the timing chain cover and I found pieces of timing chain under the hole. My guess is a governor weight broke off damaging the timing chain and the cover. Since I tried starting the tractor after this happened, I'm guessing I at least bent a couple of valves. What other damage should I be expecting? Should I be looking for a new engine/tractor?

Thanks,
Julian
 
Just keep taking it apart. Unlikely even bent a pushrod, but sounds like a lot of work up front.
Don't worry about the washer- what piece of metal? Sounds like your clutch was coming apart too. You might as well take the engine off, take it all down to the last nut and bolt, you got things to fix all over.
 
Hi Tony,

I took your advice and continued to take the tractor apart and got to the timing chain. This is what I found
20170612_200114.jpg


As you can see (hopefully), the timing chain is wrapped around the camshaft sprocket and broke the bottom of the timing chain cover. All of the governor weights were ripped off the top sprocket it won't turn manually. I'm assuming this means I have a couple of bent valves. Am I correct in assuming this?

It just keeps getting better and better! I really wish it was just a jammed bendix washer!

Julian
 
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