1. Find the hydraulic fill port. On a Massey Ferguson 165, the hydraulic fill port is located on the right-hand side of the tractor, just below the fuel tank. It is a black, plastic cap that is marked "Hydraulic Fluid".
2. Clean the area around the fill port. Before you remove the cap, clean the area around the fill port to prevent any dirt or debris from entering the hydraulic system.
3. Remove the fill port cap. Unscrew the fill port cap and set it aside.
4. Add hydraulic fluid. Use a funnel to add hydraulic fluid to the reservoir. The recommended hydraulic fluid for a Massey Ferguson 165 is Massey Ferguson Universal Tractor Fluid (UTF). Add enough fluid to bring the level up to the "Full" mark on the dipstick.
5. Replace the fill port cap. Once you have added the correct amount of hydraulic fluid, replace the fill port cap and tighten it securely.
It is important to check the hydraulic fluid level regularly and add fluid as needed to keep the system full. Low hydraulic fluid levels can cause the tractor's hydraulic system to malfunction.
