Click on this link:
Case IH Agriculture and Farm Equipment
Select "parts" in the top menu. Scroll down until you see the paragraph, Online part store.
Look for the genuine Case IH parts in small print, in red letters, and left click on it.
On the next page that appears, select "Find parts by model" in the menu, top left.
Next page that appears, select "Find by model"
On the next page, click on the "search" under find your model.
On the next page that appears, type in your model number in the elongated block, and hit search.
(2290) Case diesel tractor will appear below that. Click on it.
A list of components will appear to select from.
Click on "Powertrain" to get exploded views of your transmission.
Click on the component you want to see up close. It will enlarge, and have a parts list with numbers to the right.
Probably best to print off these instructions, LOL.. Not bad, once you learn to navigate it.
Hope this helps..!!