1. Locate the hydraulic reservoir on the tractor. It is usually a large, cylindrical tank located near the rear of the tractor.
2. Clean the area around the reservoir fill plug to prevent contamination.
3. Remove the fill plug from the reservoir.
4. Insert a funnel into the fill hole.
5. Add hydraulic fluid to the reservoir until it reaches the proper level, which is usually indicated by a dipstick or sight glass.
6. Replace the fill plug and tighten it securely.
Here are some additional tips for filling hydraulic fluid on a Case 1290 tractor:
* Use only hydraulic fluid that is recommended by the manufacturer.
* Do not overfill the reservoir, as this can cause damage to the hydraulic system.
* Check the hydraulic fluid level regularly and add fluid as needed.
* If you notice any leaks in the hydraulic system, repair them immediately to prevent further damage.
