#13 Ferguson TED20 - Removing Trumpet Housings and Crown Gear

As we progress with the back end of the Ferguson TED20, we remove the two trumpet housings to get to the crown gear and inspect the two bearings.
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[@tridbant]

That is a tab washer and is used normally inside motors. You bend one over the nut and the other tab over a fixed part.
Obviously they had to use whatever parts they had at the time.

[@WaterhouseForde]

Thank you. Yes some differences between tractors based on what they had at the time. 👍😉

[@MalcOfLincoln]

Coming along nicely Gordon.....Don't know if you've seen the saga of the Nuffield, but I've found every type of nuts and bolts. Whitworth, AF, Metric and some totally unique. I know the bodger in Somerset who had it for years is mainly responsible, however many of these old tractors when used on farms, they just put on what was lying around.

[@WaterhouseForde]

Hi Malcolm, yes I suppose when they’re working machines and “time is money” etc. the most important thing is to get it running again. Enjoying your videos too. 😉

[@09amusement]

Hi Gordon, very Informative video.
I have a slight weep from the nut inside of the trumpet housing holding the link arm bracket.
My question is regarding the gasket around the mating surfaces of the housing and backend.
The gaskets I've seen have far too many holes. Are these to accommodate numerous different models from manufacturers or do I need to find one with the correct amount of corresponding holes?
Regards Jonathan

[@WaterhouseForde]

Hi Jonathan, as far as I know that is the case, these gaskets are made to fit multiple versions hence the many holes. I expect it will work just fine, but I chose to simply make my own gasket as shown in a later video. It’s really easy and quite satisfying really. Hope this helps! 😉👍

[@09amusement]

@@WaterhouseForde Thanks Gordon. I'm not so brave or patient to make a gasket as big as the trumpet housing.
Smaller gaskets and seals maybe!
Thanks for the reply. 👍

[@donovan4009]

Hi a have a Massey Ferguson 35x and I use it as my main small tractor. It works great despite being almost 60 years old. Yesterday the right side lower link pin broke. So I bought a new one for the 35x and also a new trumpet gasket. I want to ask this. What’s the torque specs for the trumpet bolts and for the pin?? Do I need an impact wrench to do the job or can i use a torque wrench???

[@WaterhouseForde]

Hi Donovan, thanks for reaching out. 60 years and still going strong! As far as I recall there is no official torque specification for the trumpet housing nuts. On the TED20, these are 7/16” nuts (spanner size) so a reasonable torque setting would be circa 38-40 ft/lbs. You don’t need an impact driver, although they are very useful 😉. Btw. Never use a torque wrench as a power bar. In particular never use it to loosen nuts and bolts! You will damage it very quickly. The nut on the back of the pin needs to be tight. Use loctite and a decent power bar to get it as tight as you can. If you then want to apply a torque it should probably be somewhere in the region of about 110 - 125 ft/lbs. I hope this helps. If you are just replacing the pin, you can probably get away with not having to reset the float clearance. Although technically because you are changing the gasket, you should. I did a video on this too. See: th-cam.com/video/ZIjfAXU_uxo/w-d-xo.html Good luck, let me know if you have any other questions. 👍😉

[@yellobmxwood]

Hi! Someone know how many teeth the main drive and the crown gear have? Thanks!

[@WaterhouseForde]

Hi - no sorry I didn’t count them. 👍😉

[@timmathers5243]

From the Fergy grapevine I hear that you should not have to drain the hydraulic fluid. The fluid level should not be so high as to reach the axle bearing which is greased.

[@timmathers5243]

Of course this only holds true if your removing the axle.

[@WaterhouseForde]

Hi Tim, certainly, if you need to remove the axle and not go deeper. You can lift the side you are working on and very little if any oil will come out. This is a recommended procedure. As standard the wheel bearings are not greased they are lubricated by the Diff/Hydraulic oil. As you will see in our reassembly video we fitted sure seals over the back of the wheel bearings which necessitates packing it with grease. We knew we were going deeper, much deeper so draining the fluid was necessary. Hope you’re enjoying the videos. 😉👍