2. Locate the hydraulic oil fill plug. On the 2310 Ford tractor, it is located on the right-hand side of the tractor, just behind the seat.
3. Remove the hydraulic oil fill plug with a 3/4-inch wrench. Be careful not to drop the plug.
4. Insert a funnel into the hydraulic oil fill hole.
5. Add hydraulic fluid to the tractor until it reaches the "Full" mark on the dipstick.
6. Replace the hydraulic oil fill plug. Tighten the plug until it is snug.
7. Check the hydraulic fluid level regularly and add fluid as needed.
