37 John Deere A

ondo · Dec 29, 2016

I have a 1937 John Deere Unstyled A I'm working on. Its leaking oil from behind the flywheel, from what I've read it is the cork gasket on the oil slinger. So I have a new one but here is my question I need help with. On the inside of the oil slinger there is bad scoring from the spline on the flywheel shaft, is this a problem? Does anyone know if the oil will continue to leak out cause of this scoring once I change the cork seal or does it not matter about the scoring.

Dick2 · Dec 29, 2016

If the crankshaft splines have scored inside the oil slinger, the crankshaft has, or did have at some time, too much end play. You need to get a manual and check the crankshaft endplay before you start working on this.

ondo · Dec 29, 2016

Okay thanks for the info. I will do just that. But will the scoring cause any leaking in the future that you mite know of? Or will it be okay as it is behind the seal?

MSD · Dec 29, 2016

The seal stays stationary on the crank. Once you get it on there is a notch that lines up with a pin in the flywheel and that makes it turn with the crank so no it shouldn't bother.

ondo · Jan 3, 2017

Hey guys thanks for the info so far. I've got one more question on this, does the key pin that goes into the oil slinger run down the shaft into the back of the fly wheel? I wold think it does but I don't have one there to really know. My local John Deere Dealership was also not sure if this is how it was installed... Any help on this would be a great thing. Thanks and hope to here back from ya soon

37 John Deere A

ondo

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Dick2

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ondo

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MSD

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ondo

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