Hydraulic systems are known for their efficiency and durability. Notwithstanding this, these systems suffer leaks, which are traceable to poor hydraulic fittings.
A leaking hydraulic fitting is an unpleasant situation for any equipment owner, as this leak not only results in decreased productivity but also creates an unsafe work environment. So when this happens, it is advisable to fix it as soon as possible.
However, a hydraulic fitting repair must be done properly to prevent a recurrence. That is why we have outlined the best method to fix a leaking hydraulic fitting to ensure your equipment continues running without any downtime.
How to Fix a Leaking Hydraulic Fitting
Step 1- Identify the Problem
In trying to fix a “leaking” hydraulic fitting, the first thing is to ensure that it is the hydraulic fitting that is faulty.
Because the fluid in a hydraulic system might seem similar to a leak, don’t just assume that every droplet is an indication of a leaking hydraulic fitting. Fixing a system where it is not faulty can cause the need for greater repairs.
Therefore, ensure you locate the source of the leak, and once found, make preparations to rectify it..
Step 2: Take Safety Precautions
While searching for the leaking hydraulic fitting, do not forget your safety goggles and gloves; as you’d need them for protection. The exposure of human skin to hydraulic fluid has devastating consequences. Such exposure may cause severe burns as well as other substantial injuries that’d require immediate medical care.
Be wary of the environment where you’re trying to fix a leaking hydraulic fitting. Because of the leak, the fitting would be susceptible to contaminations, so do away with areas having dirt, grease, and dust.
Also, it would be best if you also avoided fires beside a suspected leaking hydraulic fitting, as this can cause explosions.
Step 3: Depressurize the hydraulic system
After identifying the leaking hydraulic fitting, never make the error of replacing the hydraulic system immediately. The pressure on the system may cause hydraulic fluid to spray out and hurt you.
Don’t take the chances because of the safety goggles and gloves you have on; there is no such thing as being too careful.
Before attempting to fix a leaking hydraulic fitting, always depressurize the system first. If you fail to do this, the hot hydraulic fluid inside the hose might erupt.
Step 4: Replace the fitting
To successfully make any replacement, you must understand that the parts of a hydraulic system are compatible. So, when replacing a leaking hydraulic fitting, you must know beforehand the fluid’s compatibility, the kind of fitting, and the required pressure.
Extra care is necessary because a mismatched part can create faults in the hydraulic system. Also, you might need to replace the o-ring. More often than not, repairing a leaking hydraulic fitting would require you to replace the O-ring.
Step 5: Test-run your system.
To do this, you should circulate fluid in the system at low pressure. This is to check for possible leaks and ensure your repairs’ success. Don’t be tempted to use your hand to find any possible leak, as the hotness of the hydraulic hose can cause skin burns. It would help if you continued to run the system instead.
When there are no leaks after the test run, it means the replacement was successful.
How to Fix Leaky Hydraulic Fitting on a Tractor
While fixing a hydraulic leak in an industrial application might seem daunting, it gets easier in machines like a tractor. The hydraulic systems in a tractor aren’t so many, reducing the number of places where leaks can occur.
In order to fix a leaky hydraulic fitting on a tractor, it is important to have the right tools. This is because the wrong tools would make repairs unnecessarily tiresome. A very important tool to have is a set of ‘hydraulic service’ wrenches.
Step 1: Turn off the Tractor
Trying to fix a tractor while it is still running is never advisable. You must first turn off the engine to fix a leaky hydraulic fitting on a tractor. This would turn off the hydraulic pump and depressurize the hydraulic system.
Once you are certain that the pressure is off your system, you can begin to repair any leaks.
Step 2: Take the Fittings Apart
To properly fix the leakage, you must take the fittings completely apart. Unscrew the fittings from the system with the wrench. This gives you enough room to access the part and apply your wrenches. You should know that smearing oil on the fitting might help make it cleaner.
At this point, proper tools are better appreciated; without them, chances are that you would snap off a fitting or bend a tube.
Step 3: Fix the Leak
You can do this by sealing leaking fittings on hydraulic components. You may then screw the fitting back onto the component. Make sure not to fix it too tightly.
If the leaking doesn’t stop, reapply the wrenches, and this time, you may use an anaerobic hydraulic fitting sealing fluid. Follow the directions on the tube.
What Not to Do When Repairing a Leaking Hydraulic Fitting
There are notable points to keep in mind when repairing a leaking hydraulic fitting, some of which include;
- Avoid bringing any form of fire near a suspected leak; cutting torches, sparks, lit cigarettes, etc.
- Avoid dropping parts of a hydraulic system onto the floor to avoid debris, dust, and any form of contamination.
- Fail to use protective gear.
- Use the right hydraulic fitting, as a fake one can cause substantial damage to the system. Most leak
Keep in Touch; Let Us Render our Professional Assistance
While a DIY approach might seem easy peasy, you must be cautious when purchasing your fitting materials. A leaking hydraulic system is only a wrong component
away from total disrepair.
This is why it is advisable to consult professionals to help with your fitting. And so, at Sinopulse, our team is ever ready to guide you through the process of identifying the right hose for your fitting and supply. Send us a message today!