From car transmissions and brakes to lifts and factory equipment, the things a hydraulic system can power are truly versatile. Thanks to hydraulic technology, we can use liquids to more effectively energize numerous systems.

However, just because the mechanic capabilities of liquids are amazing doesn’t mean that maintaining these systems is effortless. In fact, you can’t even limit your focus to just the most obvious equipment.

A hydraulic system is composed of many small components, all of which work together to keep the equipment running smoothly. While many of these parts are small and inexpensive, if you don’t maintain them appropriately, their state of disrepair can lead to bigger, more expensive problems. Here are some small components to pay attention to.

One of the more famous parts of hydraulic systems, pistons are small cylinders that apply appropriate pressure so that the system functions.

Pistons move within cylindrical tubes, building pressure and causing fluids such as oil to move throughout the system. Hydraulic systems work because the force that pistons put on the system’s incompressible fluid — oil — causes pressure to build and force to be magnified so the system has the power it needs.

To make sure that the piston works as effectively as possible, make sure you use clean oil and change the oil according to the instructions of your equipment’s manufacturer. If the oil you use becomes too dirty, then the oil won’t provide the same degree of pressure and will corrode your machinery.

For pistons to work, they need to be sufficiently free of wear and corrosion. One component used with the piston, the piston ring, is especially important to watch because it holds the cylinder components in place and helps make sure the pressure in the system is contained.

While pistons tend to be made of lighter metals, the piston ring is usually more durable and made of a material like cast iron. Still, don’t take the ring’s longevity for granted. Watch the piston ring to make sure it is in good shape. Replace the ring when necessary so that you don’t run into bigger problems.