* Chains & Linkages

Posted on September 10th, 2016 by ploughmyfield. Filed under MAKE.


chains

I wandered into this subject “Chains & Linkages” a number of years ago when I purchased a top link with the original chain holding the linkage pin and linch pin to it (item 13 in the above picture). The chain was to fragile to use so I gathered together a suitable replacement.

my_pin_effort

 

Below is a link to my original articles.

The article that started it all off: http://www.ploughmyfield.com/archives/1492
The follow up Article: http://www.ploughmyfield.com/archives/1708
My interest in this particular area was reignited about a month ago when I received, through the post, the August 2016, Issue 77 of Ferguson Furrow. A quarterly publication put out to members of Ferguson Enthusiasts of North America (FENA for short).
fena_august2016_rotate
On page 20 there started a 3 page article with photographs detailing the construction of all of the linkage pins, chains and brackets for all the items you see in the first picture at the top of this article. Whilst perusing the “Gots ‘n Wants” section at the back of the magazine I notices for sale NOS (New old Stock)No. 3 straight link machine chain sold by the foot. I contacted the seller asking his willingness to ship said item to the UK. An email conversation then developed. I have always had a problem trying to find the brackets attached to the lower link arms that hold the implement linch pins in (item 19 above) all the tractors I have measured have a gap between riveted centres of 1.1/4″ and all the reproduction brackets I’ve seen for sale have holes drilled or stamped at 1.1/4″ centres. So imagine my utter confusion and dismay at buying a set to find they did not fit my tractors lower link arm rivet holes. Who, well the hole centres on my tractor measure 1″ exactly.
In the conversation with Robert Sybrandy who was selling the chain by the foot, who also was the author of the article in the FENA magazine, I asked if he could source a bracket with 1″ hole spacings. The answer, he could. It turns out that a Ford 9N has lower link arms with drilled holes at 1″ centres. So the only conclusion I can draw is that my tractor has fitted at some point in its life with lower link arms from a Ford 9N and not a 1954 Feguson TEF-20.
I arranged to buy 10 feet of chain and the brackets from Bob and the money had transferred I sat back and waited for the package to arrive. It has now safely arrived, afar only a week or so and looks like the picture below when I unpacked it. A most excellent job of packing.
american_chains

It now remains for me to assemble the 8 links of chain, one end connected through the linch pin, the other into the “S”clip then attached to the hole in each bracket. I’m hoping the rivets go into the holes on the lower link arms without to much effort, chain facing backwards towards the implement. That will bring to a close another chapter in the restoration of my tractor.

Once fitted to the tractor I’ll post the pictures here. shouldn’t be to long a wait.

 

“And what” I hear you cry ” will you do with the other nine and a half feet of chain you have left?” Well the Front Brackets need chain for their pins and I’ll keep the rest just in case.

If you’d like to contact Robert (Bob) Sybrandy his email address is r_sybrandy at yahoo.com I found him very helpful and knowledgeable about this topic.

[20/09/2016]

I’ve got the linkage assembly assembled and it looks like this. Seen here with a layer of primer on.

7

And yes, it does fit the holes on the tractor’s  lower links. There is enough room for the rivets to go through the holes.

For my next decision, do I heat up the rivets before I hammer the heads down to keep them in place or do I try to hit them when cold? they will whatever way I attach them need painting once in place.

 

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2 Responses to “Chains & Linkages”

  1. Martin Lawrie Says:

    I have a standard draw bar with the two piece stays but am struggling how to fit it. The stays fit fine with the drawbar and lift arms but at the other end is a right angle bend close to the pin hole. The bend has left a 2″ return outwards on the end of the stay, making it impossible to fit them using the pin. Are these stays for some other tractor, are the top ends fitted the wrong way round and the returns should point inwards (and then interfere with each other) or should I just cut the return off, making the stays straight?

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