how to repair hydraulic hose dripping from pressed fitting


Introduction to Hydraulic Hose Leakage

Hydraulic hoses are an essential component in many mechanical systems, transferring hydraulic fluid between different parts of the machinery. Over time, these hoses can develop leaks, which can be problematic if not addressed promptly. One common issue is when a hydraulic hose starts dripping from a pressed fitting. In this article, we will discuss the causes of this problem, the steps involved in repairing it, and some preventive measures to avoid future leakages.

Understanding Hydraulic Hose Leakages

Before diving into the repair process, it is crucial to understand the reasons behind hydraulic hose leakages from pressed fittings. One of the primary causes is the weakening of the fitting itself over time due to continuous pressure and vibration. Over-tightening during installation can also damage the fitting, leading to leaks. Additionally, hose abrasion, excessive heat exposure, or poor maintenance can contribute to the problem.

Identifying the Dripping Hydraulic Hose

To begin the repair process, it is vital to identify the exact location of the dripping hydraulic hose. Start by thoroughly inspecting the hose and fittings for any signs of fluid accumulation or visible leaks. Wipe off any existing oil or debris to get a clear view. Sometimes, even a small pinhole can cause a significant leak over time, so be meticulous during your inspection to ensure nothing is missed.

Proper Tools for Repair

Repairing a leaking hydraulic hose requires specific tools to ensure a successful fix. Here are the essential tools you'll need:

1. Safety gloves and goggles: Ensure you have proper safety gear to protect yourself from any potential hazards such as hydraulic fluid splatters.

2. Wrenches: Different-sized wrenches will be necessary depending on the type of fittings used.

3. A tube cutter or sharp knife: This tool is crucial to cut the hose cleanly and precisely.

4. Replacement fittings and clamps: In some cases, you may need to replace fittings or clamps that are damaged beyond repair.

5. Replacement hydraulic hose: If the hose itself is extensively damaged, it is recommended to replace it entirely.

Step-by-Step Repair Process

1. Safely shut down the machinery and relieve any pressure in the hydraulic system.

2. Using the appropriate wrench, loosen and remove the affected pressed fitting from the hydraulic hose.

3. Inspect the pressed fitting for damage. If it appears damaged or worn out, replace it with a new fitting.

4. If the hose itself is damaged or shows signs of wear, carefully cut out the damaged section using a tube cutter or sharp knife.

5. Measure the length of the cut-out section and carefully select a replacement hydraulic hose of the same size and type.

6. Attach the new fitting to the hydraulic hose, ensuring it is securely tightened.

7. Reattach the repaired hose to the machinery using the appropriate wrench.

8. Slowly pressurize the hydraulic system and check for any remaining leaks. If a leak persists, double-check the connections and hose fittings to ensure they are properly tightened.

Preventive Measures for Future Leakages

To avoid hydraulic hose leakages from pressed fittings, consider implementing the following preventive measures:

1. Regularly inspect the hydraulic hoses and fittings for signs of wear, corrosion, or damage.

2. Ensure proper installation of fittings, avoiding over-tightening or under-tightening.

3. Use protective sleeves or guards where abrasion is likely to occur.

4. Consider implementing a regular maintenance schedule to monitor the condition of hydraulic hoses, replacing any worn-out components promptly.


Repairing a hydraulic hose that is dripping from a pressed fitting requires careful inspection, correct tools, and systematic steps. By identifying the root causes, performing necessary repairs, and implementing preventive measures, you can effectively mitigate hydraulic hose leakages. Regular maintenance and monitoring are crucial to ensure the longevity and efficiency of hydraulic systems in various mechanical applications.


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