How Hydraulic Repairs Work for Heavy Construction Equipment

How Do Hydraulic Systems Work?

Hydraulic systems use fluid to power their movement. Hydraulic fluid — a combination of oil and additives — gets pumped through hoses, traveling to the equipment’s different parts. When the fluid moves, it creates pressure. This pressure makes pistons move, and these pistons move the other machine parts.

Hydraulic systems are based on Pascal’s law, which states that a pressure increase on a confined fluid causes an equal pressure distribution throughout the fluid and container. Basically, putting pressure on a small fluid container creates force in all directions. This sends the same pressure to a larger fluid container. However, since the larger container has more area, there’s more pressure distributed, which creates more force. Hydraulic systems let you multiply force, allowing equipment to move heavy loads easily and precisely. Hydraulic equipment systems control the fluid’s flow, letting operators smoothly move equipment.

Hydraulic System Components

Hydraulic systems use several components to make movement and force happen. These parts create a system that lets operators carefully move and use heavy equipment without issue. If you’re dealing with hydraulic system problems, you might need repairs in any of these main components:

• Pump: The pump moves the hydraulic fluid through the system. It pressurizes the fluid, turning mechanical energy into hydraulic energy.
• Reservoir: The reservoir holds all the hydraulic fluid, protecting it from contamination and storing it until it’s needed. Additionally, the fluid sits here while it’s cooling before it gets recirculated into the system.
• Valves: System valves control the hydraulic fluid’s flow and direction. Valves can stop, start and direct the flow to different system parts.
• Actuators: Actuators activate the lifting. When the fluid reaches a certain pressure, the activator fires the lifting or load-handling cylinder.
• Hoses: Hoses and tubes transport the hydraulic fluid throughout the equipment.
• Regulator: The pressure regulator is responsible for tracking and controlling fluid pressure. It prevents fluid pressure from getting too high, sending fluid back to the reservoir until the pressure levels drop.

Signs Equipment Hydraulic Systems Need Repairs

Heavy construction equipment is essential for many projects. While it’s built to last, even the best equipment needs repairs occasionally. Understanding signs your equipment needs repairs can help prevent major breakdowns and costly downtime. Use these signs to see if your machinery needs hydraulic repairs:

1. Leaking fluid: Hydraulic fluid leaks mean you’ve got a system problem. Look for puddles under equipment or wet spots on hoses and connections to find the source. Leaks can lead to low fluid levels and poor performance.
2. Slow operation: If your equipment starts to move slower than usual or struggles with loads, you might have a system issue. Worn-out pumps and pressure drops might be the cause.
3. Unusual noises: Unusual sounds, like whining, banging or knocking, can indicate pump issues or air trapped in the system.
4. Overheating: Overheating out of nowhere might be caused by insufficient fluid, clogged filters or failing pumps.
5. Erratic movements: Inconsistent or jerky movements can indicate actuator or valve problems. You’ll lose precision and safety until you get it fixed.

Common Hydraulic System Repairs

Hydraulic system repairs can range from simple to complex. Your exact repair will depend on the equipment and issue, so be prepared for anything. Make sure you’re getting your hydraulic system repaired by a reliable technician — hydraulic systems are critical to equipment function and poor service can lead to further problems. Here are some common repairs you’ll see for hydraulic systems:

1. Replacing hoses and seals: Hoses and seals will wear out over time. You might need a hose or seal replacement if you’ve got leaks and pressure loss. This is a straightforward repair that gets hydraulic fluid running in no time.
2. Repairing pumps: Pumps can fail due to wear or contamination. Technicians can repair or replace faulty pumps to fix fluid pressure and system performance.
3. Cleaning filters: Dirty or clogged filters can restrict fluid flow and cause overheating. Make sure to regularly clean or replace filters to keep the hydraulic fluid clean.
4. Fixing valves and actuators: Stuck or damaged valves and actuators can affect operation. With repair or replacement, you’ll get smooth and precise movement again.
5. Flushing the system: Over time, contaminants can accumulate in the hydraulic fluid. Contaminant buildup can cause wear and tear, affecting performance. Flushing the system drains the old fluid, giving you optimal performance. This process also includes cleaning the reservoir and refilling it with fresh fluid.

Tips for Hydraulic System Safety and Maintenance

You need regular maintenance if you want to keep your equipment effective and your worksites safe. Getting regular hydraulic system and equipment maintenance will help you catch problems early, before they become expensive and dangerous shutdowns. Protect equipment and operators with:

1. Regular inspections: Check the systems regularly for leaks, wear and damage. Early detection lets you spot issues before they interfere with equipment function.
2. Clean fluid: Always use clean, high-quality hydraulic fluid. Contaminated fluid can cause performance issues and system damage.
3. Level monitoring: Watch hydraulic fluid levels. Low fluid can let air into the system, causing damage. Change and check the fluid as recommended by the manufacturer.
4. Filter replacements: Replace filters according to the manufacturer’s schedule to keep everything clean and flowing smoothly.
5. Pressure monitoring: Keep an eye on the system pressure. Too high or low pressure can damage components.
6. Proper tools: Always use the proper tools when performing maintenance or repairs. Improper tools and repairs can damage and affect safety. Use a professional service to keep your equipment in good condition, ensuring the right tools are used.
7. Operator training: Ensure all operators are trained in safe operation and basic maintenance for hydraulic systems. Proper use and care can extend the system’s life and keep everyone safe from accidents.

Expert Heavy Construction Equipment Repairs From GT Mid Atlantic

Keeping your equipment in good condition is essential for efficient, safe work. When components fail, it can lead to unwanted, expensive downtime. At GT Mid Atlantic, we specialize in hydraulic repair services across Delaware, New Jersey, Maryland, northern Virginia, Pennsylvania and Washington, D.C. Our expert technicians can handle everything from hydraulic hose assemblies to repairs. We stock a large hose and spare parts inventory to ensure you get fast, effective repairs.

We service all makes and models using durable, industry-leading components from top manufacturers. Choose GT Mid Atlantic for unmatched expertise and customer service. Contact us online today to buy, sell, rent or repair equipment!