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Ford 9N, 2N & 8N Discussion Forum
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8N/Ford Industrial - exhaust valve removal ???

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Alberta Mike

11-24-2005 15:52:40




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Got a strange problem here. I have an engine which I am disassembling. It was bolted into a Ford N series tractor that had various parts making it up. For example, it had the 3-speed tranny from probably a 9N or a 2N, but the engine was from an 8N, at least some of the castings have 8N on them, but there is a tag on the engine that says it is a Ford industrial (can't remember the model right now). Anyways, I have removed the 4 intake valves, they have the little pair of split retainers that keep things in place. I suspect that the exhaust valves have rotators on them. I can't figure out the procedure for taking out whatever retainers are there. Both intake and exhaust have those thin C-clip retainers with the little hole in the tab for pulling out but the retainers I refered to are at the ends of the valves. Anyone help me out here with this?

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ZANE

11-24-2005 16:04:27




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 Re: 8N/Ford Industrial - exhaust valve removal ??? in reply to Alberta Mike, 11-24-2005 15:52:40  
The exhaust valves have a short cup shaped thingy that the valve sits in. This cup thingy pushes up against a pair of retainers shaped like a lock washer cut into two C shaped thingies. These are the valve stem retainers. You would have to somehow push the valve up against the springs far enough to remove the little cup thingy in order to get the stem retainers off the valve to release them.

That ain't the way to take the valves out of an 8N with rotators on the exhaust valves. You got to push the valve guide down and remove that horse shoe shaped retainer just under the edge of the block and then use something to drive the whole valve assembly out the top. Then you can remove the retainers etc and replace the guides and valves and grind the seats etc. If you change out the valves you will have to grind the valve seats because new valves won't fit the old seats until they are reshaped by grinding.

You are trying to do it the hard way!

Zane

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