Even the most well-constructed vacuum pump can fail after extended use. In industrial applications, for instance, the downtime resulting from pump failures can be prohibitively expensive — especially if it forces production to grind to a halt.
As vacuum pumps are found in every day technology, consumers are also impacted by pump failure. The rattling sound of a failing car engine pump, for example, illustrates that your car engine needs repairs.
Knowing the signs of vacuum pump failure is crucial in maintaining a functioning system and avoiding dangerous or expensive issues resulting
from failure — like being stranded after having car engine issues or missing shipments when your production line halts. Here, we unpack five
of the most common signs of vacuum pump malfunction. But first, let’s explore why maintenance schedules are key in avoiding vacuum pump
failure.
MAINTENANCE
SCHEDULES AND CLUES FROM A FAILING VACUUM PUMP
When a vacuum pump fails, it rarely occurs without warning.
But it can be challenging to know what an optimally functioning vacuum pump looks like. This is because vacuums are almost always incorporated into larger systems while being used for varied-use cases. As a small part of a larger system, it’s also difficult to assess when pump maintenance is needed until production is affected.
Despite this, proper maintenance is required to identify when vacuum pumps are near to failing. Without maintenance, you risk being caught off guard by unexpected downtime and the cost of repairing or replacing a pump. Creating a maintenance plan helps you avoid pump failure and ensures you fix system leaks before any issues or telltale signs arise. These plans should be guided by the owner’s manual, the project environment and the material being pumped.
Your maintenance plan should allow for the servicing, repair and replacement of pumps. For smaller projects, this may involve sending pumps back to the manufacturer. With this in mind, here are the common signs of a failing vacuum pump:
When your vacuum pump exhibits loud or atypical noise, then it may be close to failure. Throughout their use, ageing and accumulated wear cause a specific part in the pump to fail. Increased noise is often a sign that a pump requires maintenance and cleaning. While parts like diaphragms, valve plates and seals are easily replaced, increased bearing, motor or air noises may indicate that more extensive repairs are needed.
If dirt or other contaminants enters the vacuum pump chamber or valves, overall pump performance can be impacted. When pumps need more time to accomplish operations, they may be in danger of failing.
At this point, thoroughly cleaning your pump and ensuring that no contaminants reach other parts is a necessity. Without this step, these contaminants will continue affecting pumps, leading to more maintenance or repairs. Filters are also valuable in preventing contaminants from entering your system.
It can be difficult to diagnose vacuum pump failures resulting from heat buildup. Factors may include having a bad motor, incompatible pump applications or poor ventilation. Constant overheating may indicate a malfunction.
When troubleshooting for an overheating pump, first assess the pump ventilation openings. If these openings are blocked or are too close to another object, fixing this issue may be as easy as resituating the pump.
If a pump won't turn on, it may be a fuse issue. First, check if the pump’s fuses are blown. If your pump works and there are no issues after you’ve replaced the fuses, then you’ve fixed the problem.
But if blown fuses are a continuous problem, then you may have a power issue — or you’re using a voltage that is too high for your pump.
Blockages or flow restrictions at the inlet or outlet cause vacuum pumps to start slowly. If there are no blockages, your pump might have a damaged or weak motor or capacitor.
This could be the result of an improper application, especially if there's an inlet vacuum or added pressure at the outlet, which will need to be addressed. When a vacuum pump fails here, fuses can overheat and burn out, eventually leading to damage of the motor or start capacitor.
Establishing a regular maintenance schedule is key to preventing vacuum failures before they occur. Another step to preventing failure is to look out for the five signs shared above.
But preventing vacuum failure is only one step in maintaining a safe and reliable vacuum system. We’ve written a free ebook to help organisations troubleshoot vacuum system issues and optimise vacuum system performance. In it, we share insights on:
The Ash Air range of rotary claw vacuum pumps is the best alternative to rotary vane pumps. A vacuum claw pump is virtually zero maintenance and compared to rotary vane pumps can work at vacuum levels of 400 to 1000 mbar without overheating. Rotary claw vacuum pumps are the best choice for CNC guided wood routers.
The Ash Air range of humble liquid ring pumps is still the most reliable form of large volume vacuum generation available today. These liquid ring pumps are simple to use and very reliable, and the best option when sucked air contains a large amount of saturated gas.
Dry and oil-sealed vane vacuum pumps are robust, affordable and easy in maintenance. You can use DVP vane pumps for wide range of application, for skin packaging, holding, lifting, thermoforming.
We have a quality range of oil-sealed screw pumps for sale that are energy efficient and have low life-cycle costs.
We have a great range of new and hire blowers from single stage ring blower through to large lobe blowers, and we also stock the service parts for common blowers across many brands.
Our roots blowers, side channel blowers are built to last, and are backed up by our promise of excellent customer service to keep your business performing well day in and day out.
Discover cutting-edge dry vacuum pumps from Atlas Copco, including dry scroll vacuum pumps and vacuum booster pumps, designed to meet your industrial needs. Elevate performance and reliability with our top-notch vacuum solutions, available for sales throughout New Zealand. Trust us for unmatched expertise and service in the field of industrial vacuum pumps.
Ash Air has been around in New Zealand since 1979, and we’ve grown into a nationwide company with international support and a
reputation for quality and reliability.We look after all things compressed air for your business!
Ash Air's range of Chicago Pneumatic, Alup, Pneumatech, and Quincy compressors are used extensively around the world in industries
ranging from oil and gas to food, automotive and farming, and we bring you these world class compressors here in the land of the long white
cloud.Our technicians are compressed air equipment experts and are dedicated to addressing customer needs. Supported by a 13 locations
nationwide, Ash Air offers one of the widest selections of compressed air equipment and parts available today in New Zealand.
With Ash Air compressors, you can count on reliability and high performance for even the most demanding applications. We focus our
efforts on the following:
Talk to the team today:
How to Operate and Maintain Your Liquid Ring Vacuum Pump
A liquid ring vacuum pump is a powerful and steadfast piece of equipment that, if well maintained, can provide years of dependable
performance. Whether you purchase a large or small unit, you can rely on a vacuum pump for smooth, consistent and relatively quiet operation
for many months on end between each inspection.
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A common questions asked is why do I need an air dryer for my compressor? Typically, air compressors produce water, and although the
water can be drained, there can still be aerosol and vapour droplets that are present. This is because water cannoet be compressed. Water
can damage your compressor by corroding the valves, pipes and machinery controls, which will cost you time and money to resolve. In
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What are some preventable causes of air compressor failure?
Air compressors can fail for an assortment of different reasons: Normal wear and tear, lifespan and age of the unit, poor maintenance, power surge, install issues are just a few the come to mind. Check out this blog to find out our top 7 tips to ensure your compressor is looked
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prepared with the preferred temperatures, despite the weather outside. Regardless of whether or not it actually snows or freezes up where
you live, most winterisation service recommendations are also basic, solid maintenance procedures that will help extend the life and
operational efficiencies of air compressors regardless of whether you live in Queenstown or Northland.
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naturally if you want one that will be designed for spray painting your vehicle, you want a compressor specifically made for spray guns!
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Compressed air so portable it even reaches the moon.
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addressed or failing to consider all the foreseeable uses of the compressor.
Working Safely with Air Compressors
We've put together a list of tips for working safely with air compressors in your environment! We recommend that you always read owners
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us know!
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