Rebuilding your Massey Ferguson 240 power steering cylinder is a relatively straightforward process if you have the right tools and a good understanding of hydraulics. The first step is to remove the old power steering cylinder from the vehicle. This process will include disconnecting the steering wheel and steering shaft, as well as disconnecting the steering lines from the steering box. Once the cylinder is disconnected, it is important to inspect it for any damage or wear. It is also a good idea to clean the cylinder of any built-up dirt, grease, or other debris. Once the cylinder is cleaned, a new seal and dust boot must be installed. Re-Lube any moving parts of the cylinder before re-assembling. It is then time to re-assemble the cylinder, which includes connecting the steering lines, connecting the steering wheel, and connecting the steering shaft. Once the cylinder is re-assembled, it is important to fill it with the correct type of power steering fluid and then bleed the system of any air bubbles. With the power steering cylinder properly rebuilt, it is now ready to be reinstalled onto the vehicle.