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Ford 9N, 2N & 8N Discussion Forum
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Must split tractor- what parts should I change out

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Paul Leske

06-10-2006 13:00:17




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Well I just got really lucky. I was mowing and hit a tarp covered in some grass and stalled out. I trying to restart and the starter would engage but the engine would not turn over. I rolled it down a hill and tryed to pop-start it with no success. My neighbor towed me with a chain and when I popped the clutch in 3rd the rear wheels spun in opposite directions, but the engine did not move. At this point we both thought the motor was seized and my neighbor suggested that I had perhaps spun a bearing. Being fairly depressed, I had a few beers and Jaegers and went to bed. Sometimes it is better to just let things set when you get too aggravated and then come back to them a little later.

The next morning I woke up and decided to take another look at it. I already knew that my flywheel ring gear was chewed up pretty good, so I decided to pull the starter and found that the starter bendix was jammed into the flywheel. I was able to turn the engine, put the starter back in and I pull-started the tractor and finished mowing and cultivated the garden.

Here comes the question part of this long post;

I know that the starter bendix and flywheel ring is bad. I left the repair manual with the tractor back in WI and I am here in Chicago for a few days and need to order parts.

Can I order the bendix part for the starter or will I need the whole starter?

Is the ring gear seperate from the flywheel on the 8N or are they one piece?

I will no doubt have to split the tractor in half to change out the ring gear. I suppose I should change the clutch and release bearing while I am at it, even though it is OK. I saw one post in the archives that mentions a front transmission seal that should be changed. Is this a good idea?

Could someone please suggest a list of parts and what I should change while I have it seperated? I hope not to have to split this tractor again in a long time. I dont have the any other resource at hand at the moment.

Splitting the tractor will be a pain but I feel relieved that the motor is OK.

Thanks for the help.

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davpal

06-12-2006 00:00:38




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 Re: Must split tractor- what parts should I change in reply to Paul Leske, 06-10-2006 13:00:17  
I did the clutch in my 9n last year for the second time in about 13 years. I do use it hard though. The tractors split very easy and the clutch plates are very reasonably priced. I changed my ring gear too. Used milwaukee handheld bandsaw to cut it off the flywheel. It was a little tricky to get the new ring gear hot enough to slip over the flywheel but I finally did it by putting in in my barbeque grille for about ten minutes! We though putting it in the oven in the house would do it but it was not hot enough. I also tack welded it in about four places around the flywheel because the flywheel is undercut where the ring gear seats and it does not feel very tight when you get it on there. You will see what I mean. Good luck, new ring gears are sure nice on a tractor.

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ZANE

06-10-2006 15:53:19




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 Re: Must split tractor- what parts should I change in reply to Paul Leske, 06-10-2006 13:00:17  
By the way, back when I was a kid going to the movies every Saturday and watching Gene and Roy the wheels on the stage coaches all went backwards. Maybe their starter drives were hung up????? ? I always thought that must be hard on the horses.
Zane



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ZANE

06-10-2006 15:48:46




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 Re: Must split tractor- what parts should I change in reply to Paul Leske, 06-10-2006 13:00:17  
I would replace the clutch throw out bearing and the clutch disc while the tractor is split. Too much work not to do it now.

You will need a torch to heat the new ring gear to a blue color in order to expand it enough to drop over the flywheel. You can also cut the old ring gear off with an acetylene torch. That's the way I have been doing it for the last 50 years and it seems to work OK.

Zane

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Dell (WA)

06-10-2006 13:20:21




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 Re: Must split tractor- what parts should I change in reply to Paul Leske, 06-10-2006 13:00:17  
Paul..... ..this has been discussed many time, you might want to spend some time "brousing the archives" at the top of this great N-Board.

But to answer yer direct questions. Yes, just replace yer starter bendix drive.

Yes, the starter ring gear is a seperate heat-shrunk gear-ring that you drill and cold chisel off the flywheel which you obviouly must split yer tractor to access.

And yes, replace yer tranny input shaft seal ($3, cheap) while you have yer tractor split.

I haven't a clue wheather you need to replace yer clutch-plate. This is a visual inspection deal.

And NO, I aint gonnna tell you how to split yer tractor 'cuz the I&T FO-4 does it better..... ..respectfully, Dell

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jimNCal

06-10-2006 17:33:34




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 Re: Must split tractor- what parts should I change in reply to Dell (WA), 06-10-2006 13:20:21  
Dell....you've been giving that(excellent) advice to change the input shaft seal so long you may not realize the price HAS gone up considerably. Seeing as how I deal in Shermans and buy at least a half dozen a year, I definitely would like to know where I can buy an input seal for 3 bucks. More like 4 1/2 to 5 bucks where I am.

jim



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Dell (WA)

06-10-2006 20:39:16




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 Re: Must split tractor- what parts should I change in reply to jimNCal, 06-10-2006 17:33:34  
Jim..... ...I know a well respected N-Parts Specialist in Shelby NC that still lists the tranny input seal p/n: 8N-7052-A for $3 (cheap). Even $5 is still cheap. Itza 4-bolt 15-minute job to replace it!!!..... ....Dell



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jimNCal

06-10-2006 21:04:40




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 Re: Must split tractor- what parts should I change in reply to Dell (WA), 06-10-2006 20:39:16  
True, 5 bucks is still cheaper than four quarts of trans fluid a year. Plus the mess to deal with under the tractor. Also, besides the '4 bolts', I've always found that the little set screws in the Sherman's nose make their presence known most times. I just may know who you refer to in Shelby and will be giving them a shot at living up to that price. I'd be willing to bet I can get 10 shipped for the same postage as 1 or 2. Thanks much, Dell.

jim

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