Tips for Repairing a Hydraulic Cylinder

Hydraulic systems are made of a variety of components. These include valves, filters, pumps and cylinders. Of these parts, the cylinders are one of the least complicated. Still, it requires specific knowledge to repair these components. Here’s what to do to repair a hydraulic cylinder.

How to repair a hydraulic cylinder

If you need to repair a hydraulic cylinder, use the following process. For assistance, don’t hesitate to contact your local hydraulic experts:

  • Preparation: Before you begin the repairs, you should start by cleaning the surface of the hydraulic cylinder. Disconnect all hoses and plugs. Then, drain the fluid from inside the cylinder.
  • Tools: For this repair, you’ll need a screwdriver, punch, pliers, seal kit, rubber mallet, torque wrench and emery cloth.
  • Steps: To repair a hydraulic cylinder, you must follow several steps. Start by disassembling the cylinder. Then, diagnose the cause of the failure. Next, repair or replace any damaged components. Lastly, rebuild the cylinder.

Tips for how to repair a hydraulic cylinder

As you complete the steps above, use the following tips. These will make the process go more smoothly and deliver optimal results:

  • Complete a thorough inspection: As you inspect the disassembled hydraulic cylinder, expand your inspection to the entire assembly. Check all components for wear and tear, not just the failed part.
  • Assemble the wear band: The hydraulic wear band guides the pistons. Be sure to assemble this band, also referred to as the guide ring or wear bush, to help reduce metal-on-metal contact in the cylinder.
  • Use the right tools: Keep in mind that metal tools will scratch the cylinder’s surface. This can cause problems with corrosion. Always use expert-recommended tools for these repairs. Consult with your local hydraulics shop for tool recommendations.
  • Handle with care: Handling cylinders with high-tension springs can be dangerous. If you are working on a larger cylinder, this can be particularly tricky. Be sure to handle with care, or ask an expert to make this repair for you.
  • Watch for bends: If rod seals fail prematurely, this often indicates there is a bend on the rod. You’ll need to take care of this issue as part of your hydraulic cylinder repair.
  • Use the right measurements: If you are replacing seals, keep in mind that seals expand or contract in response to environmental conditions. So, do not base the replacement seal on the measurement of the existing seal. Always go with manufacturer recommendations or consult with your local hydraulic system experts.

Why you might need to repair a hydraulic cylinder

Hydraulic cylinders may need repairs for one or more reasons. One of the most common reasons is damage of seals. This can occur due to corrosion, incorrect fitting or improper metalwork clearance. Fluid contamination is another potential reason for repair. Exposure to extreme temperatures can also cause failure and require repair.

Get expert repairs

For quality hydraulic cylinder repairs, contact the team at Bailey Heavy Equipment Repair, Inc. We have been serving customers throughout the area with top repairs since 1984. Call us today at 541-989-8505 with any questions or to schedule your on-site repair.