need some help

Farmall H, HV & Super H, 1939-1954

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need some help

Postby Steve Butram » Thu Jul 28, 2005 8:54 pm

I need some expert opinion I removed the oil pan on an H Im restoring for the Father in law and found 2- 3/8 X 1 3/4 fine thread bolts in the oil pan . I didn't go looking because it was late in the evening and I had already cleaned up. Can someone tell me where these bolt could have come from in the bottom end of the engine. Thanks Steve
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Postby John *.?-!.* cub owner » Thu Jul 28, 2005 9:55 pm

Been along time since I was in an H (probably 35 or 40 years), but being fine thread I would think bearing cap. maybe left over form a previous reapir?
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Postby WKPoor » Thu Jul 28, 2005 10:03 pm

Are they drilled head bolts? All the rod caps are drilled and safetied.
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Postby Matt Kirsch » Fri Jul 29, 2005 10:49 am

There isn't much down there but main bolts, rod bolts, and the bolts for the oil pump. If bolts that size had fallen out of something and were currently missing, you certainly would've noticed a problem while running the tractor.

Then again, if the tractor wasn't running when you tore it down... Look around see if you can see any open holes. Should be obvious if anything's missing.
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Postby George Willer » Fri Jul 29, 2005 11:53 am

Steve,

Since the bolts are fine thread you can eliminate a lot of possibilities. Fine threads are seldom, if ever, used in cast iron. That rules out a lot of them. (this doesn't apply to cast steel like crankshafts, etc.).
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Postby Eugene » Fri Jul 29, 2005 11:32 pm

My thought is they are probably rod bearing bolts. Could be from some other place.

Steve you didn't say that you found any nuts or stray pieces of wire in the pan. Suggest checking the rod caps to see that all 8 bolts are identical.

I use a large container (dish pan or similiar) when doing engine work. I just throw all of the bolts and small parts in the pan. Perhaps the previous mechanic use the pan to hold the small parts.?????

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Postby John *.?-!.* cub owner » Sat Jul 30, 2005 9:27 am

As I said, I am very rusty on an H, but is there a possiblity that at a previous time someon working on an upper part of the engine droppped them throuh a return oil passage and just replaced them rather than pulling the pan? also might check the 2 bolts that hold the oil filter screen.
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Postby Steve Butram » Sat Jul 30, 2005 4:17 pm

Thanks for all the replies. I haven't been able to get back to the barn to do more investigation. I will be off duty tomorrow so I will do some looking after I shoot a coat of primer on the sheet metal. Steve
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Tractors Owned: 1947 in well used condition
1948 restored
1948
1949 for sale
Nice original 1950 just out of the Demo Range
628 2 wheel Trailer
1950 Demo
Circle of Safety Award
Circle of Safety: Y


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