Let’s be real. You spent good money on a hydraulic pump expecting it to last years, right? But within months, it starts making noise, losing pressure, or just stops working. That’s frustrating. We have seen this happen with many brands, such as KPM, Nachi pumps, and Danfoss Hydraulic Pump. No brand is immune if things aren’t set up or maintained properly. So what’s the problem? Here we will discuss what are the hydraulic pump failure reasons is going wrong with your pump. We will discuss each and every step here from someone who has repaired hundreds of them.
1. The Oil you are using in your Pump might Be Killing your pump life
Most of the pumps that come into our workshop have one thing in common, which is dirty oil. Either it is contaminated with metal particles, water, or just too old to be doing its job. Once dirty oil starts circulating through pistons and valve plates, the main issue in the pump arises.
The question arises, how to resolve this issue:
Keep your filters clean, use the proper oil, and change it frequently. It is not worth the damage and cutting corners when it comes to fluid.
2. You are Pushing It Too Hard (Overpressure Issues)
Everyone wants more power from the pump. But running it above its pressure limit day after day is like a death sentence for a pump. We have seen brand-new Danfoss Hydraulic Pumps crack because someone tuned the relief valve too high. Overpressure leads to internal damage.
Pro tip:
Set the relief valve right. Don’t go above what the pump is rated for, or you will be back in the workshop sooner than you think.
3. Cavitation = Silent Murder
High-pitched whining sound coming from your pump? That’s cavitation when air bubbles get in and explode inside the pump. Sounds minor. But inside, it is blasting holes in your components like a shotgun. You won’t see it until it’s too late and costs a lot.
How to resolve this problem:
Tighten your suction lines, keep the reservoir full, and don’t let air sneak into the system. Cavitation damage is too expensive to fix, but it will save your pump’s life.
4. Bad Repairs Are Worse Than No Repair
It is the most basic point you must understand that bad repairs are worse than no repair. If you are investing in something, you must see that it is worth it. You should call the best service expert. To be honest a lot of pumps come to us after being repaired from somewhere else. Most of the time, the shop just slapped on duplicate parts, didn’t test them, and sent them back.
Then it fails again. Worse than before. Then the question again arises, what to do?
The real solution is to have it fixed by a specialist who is well-experienced for Hydraulic Pump Repair. Before it leaves our shop, we test it under load and use OEM-quality parts.
5. Overheating Is Killing Your System Slowly
If your pump runs hot, that’s not a good sign for your pump. It will lead to hydraulic pump failure reasons. Overheating is the most common problem every customer faces. You should not ignore this; it will cost you heavily or can lead to the death of the pump if not considered on time.
Read more: Why the Hydraulic Pump gets overheated
Signs that prove that it’s overheating issues-
Every time hot oil breaks down, seals start leaking, and metal expands, and nothing good comes out of it. If this is happening to you, then you must take some necessary steps to save your pump’s life.
How to resolve it?
Check your cooling system, clean the oil cooler, and make sure the oil level stays right. Do not wait till it starts smelling burnt.
You Must Not Avoid Waiting for a Breakdown
If you are waiting for the pump’s final shutdown and then call a service expert to resolve it, then do not wait, because by then it will be too late to save your pump’s life. Your pump gives you red signs if you are in it; it’s your loss. Your pump communicates with you through leaks, heat, noise, and sluggish response. Pay attention to the signs. More harm is being done every minute you wait.
Know Here: Steps to Repair a Hydraulic Pump
Do You Need Assistance?
Every day, we at Excellent Hydraulic Works repair many products like Danfoss, KPM, Nachi, and many more brands. We inspect, diagnose, and fix it correctly the first time rather than speculating.
Located in Delhi NCR for a prompt, honest, and reasonably priced repair expert, give us a call on +91-9953500755