On our TEA20 series I go through the steps to remove the cylinder head on our tractor.
The video is a bit long but pause it if you need to while following along.

Here is a link to the Kangaroo Stew where I bought it and got it running.
   • Kangaroo Stew # 165 I Found Another T...  

Some of the links I talk of in the introduction are below.

Queensland Tractor Spares Web Site:
https://www.queenslandtractorspares.c...

Queensland Tractor Spares Ferguson Parts Category Short Cut:
https://www.queenslandtractorspares.c...

Queensland Tractor Spares Technical Tab:
https://www.queenslandtractorspares.c...

Queensland Tractor Spares Downloadable Sparex Catalog Tab:
https://www.queenslandtractorspares.c...

Sparex Australia Web Site:
https://au.sparex.com/