How To Replace Fuel Pump On Massey Ferguson Tractor 6400

1. Gather the tools and supplies needed to replace the fuel pump. These items include a socket and ratchet, a new fuel pump, and possibly removing the fuel line from the tank or a fuel line splicing kit.

2. Park the tractor on a flat, level surface and engage the parking brake. Ensure the engine is cool before working on it.

3. Disconnect the negative battery cable.

4. Relieve the pressure in the fuel system. Locate the valve on the side of the fuel filter housing and open the valve. Allow the fuel to completely drain from the system.

5. Disconnect the fuel lines from the fuel pump, if equipped, and plug them.

6. Remove the mounting bolts that secure the fuel pump to the engine and remove the fuel pump.

7. Install the new fuel pump to the engine and secure with the mounting bolts.

8. Reconnect the fuel lines to the fuel pump, if applicable.

9. Close the valve on the fuel filter housing.

10. Reconnect the negative battery cable.

11. Start the engine and verify the fuel pump is operating.