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How To Repair A Air Compressor Tank Leak

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Air compressors are versatile machines that can provide yous with many opportunities to behave and complete projects at home. However, over the course of time, air compressors volition be field of study to some problems that crave maintenance. This commodity volition focus on air compressor tank leaks and, how to fix them!

Air Compressor Tank Leak

Air compressor leakages are very common among air compressor users, whether that be due to the air hose, loose parts or connections, or even a rust leak in the air tank. We are lucky to have a solution in place that yous can follow to fix an air compressor tank leak.

NAPA 10 gallon compressed air tank
NAPA 10 gallons compressed air tank

When you suspect in that location is a leak in your air compressor system, you must inspect the whole system vigorously to ensure you locate the exact location of the leak. It may very well not be the compressor tank, it could be a number of parts or connections. Visit our Compressed Air Leaks guide to notice out how to find and gear up leaks in compressed air systems.

If you diagnose your arrangement with having an air hose leak or a quick-connect leak, we have pages dedicated to this on our site! Hither, we will discuss an air compressor tank leak. And so, yous must be wondering, how does an air compressor tank leak?

Well, every bit you must know already, air compressor tanks are used to shop compressed air for use with pneumatic tools and devices. When air is compressed, condensation is a natural byproduct due to the water vapor present in atmospheric air being heated to high temperatures.

When the compressed air sits in the air compressor tank, water is allowed to accumulate. This aggregating of water in the tank, if non drained properly, volition pb to the corrosion of the tank and cause it to rust. Now, not simply is water wet and rust beingness in the air stream an result (that'due south a split up topic) but the corrosion of the tank tin can eventually crusade the development of pinholes in the air compressor tank'southward body and h2o volition drip out earlier air will begin to leak.

These pinholes if not dealt with, volition continue to become, and shortly your air compressor tank will no longer be able to hold air at sufficient pressure or it will become a great risk to your condom. Therefore, information technology is always and then important to diagnose and prepare these leaks as soon as possible, if possible, otherwise you should seek to purchase a replacement compressor.

Blown Craftsman air compressor tank
Craftsman air compressor tank explosion

Alarm: Nether no circumstances should a badly damaged, or rusted tank be patched, welded, or brazed. The take chances of an explosion is also high to take chances patching anything other than a cleaved weld or weak seam.

How to Gear up an Air Compressor Tank Leak

In some situations, it may non be safe to comport a repair on an air compressor tank, and and so it may be better to replace the tank, or if the cost is like, buy a new air compressor. I volition strongly advise consulting an practiced before going ahead with any repair due to the evident prophylactic hazards.

Before describing the process to you, let's ensure you have all the necessary tools at hand. To fix an air compressor tank leak y'all volition demand the post-obit:

  • Soapy water
  • PTFE tape
  • Wrench
  • Brazing torch
  • Brazing rod
  • Angle grinder
  • Protective gloves
  • Protective spectacles

You should already have these tools at home if you're into your DIY projects, but if not, be sure to borrow or buy any you lot're missing before following these steps.

I will suspension the guide into the following iv steps for ease.

Fixing an Air Compressor Tank Leak Step by Stride Guide

  1. Detect the Leak

    I presume you lot would accept already completed this stride if y'all're reading this page, simply for those who haven't… Turn on the air compressor and fill up the air compressor tank. Employ the soapy water and apply it around the tank, its valves and, its fittings. If you have a sprayer, this would make the job easier.
    When you apply the soapy water to the tank, look for the occurrence of bubbles, if you lot notice any and so this is where your air compressor tank leak is. However, if the problem is at the fittings only, tighten them with a wrench and run a second test and follow the steps in the next section of this commodity.
    You should spray the tank gently so that you can encompass the whole tank. If you find bubbling on the body of the tank, it's likely that you lot have a pinhole or rust leakage, so proceed onto the next pace.

  2. Release the Air

    Afterward identifying the leaking area, turn the compressor off and release the air from within the tank by opening the bleed valve and waiting until all the air has been drained.

  3. Grind the Leaking Area

    Now y'all have detected the leak and tuckered the air compressor tank, employ the angle grinder to grind the area smoothly until it goes flush and smooth.

  4. Use the Brazing Torch & Rod

    At present, utilize the brazing torch to apply direct oestrus on the leakage area and and so place the brazing rod on information technology to rebuild the area. Turn the gas on and utilize welding lighter to spark the torch into action. Keep heating the expanse of the leak with the brazing rod until the flame reaches a blueish colour. Then identify the brazing rod metal on the area so that it melts and sets down and seals the tank. Allow the repair to cool completely earlier turning the compressor on and using it again.

The rut of the brazing torch should remove whatever additional rust and the leakage area volition be covered with the welded metal. You must article of clothing protective gloves and glasses when conducting this method to ensure your own prophylactic when handling the brazing torch as the temperature can be extremely loftier.

How to Fix an Air Compressor Tank Plumbing equipment Leak

One of the main areas where the compressor tank has leaks developing is the hose joints and close-off valve. A pocket-sized leak here can cause a significant drop in pressure of your overall system and later on, your air tools volition non operate as efficiently.

In the case that you run an air compressor tank leak inspection as previously described, and you observe that the fittings are the source of your air leaks, you tin follow these tips for fixing a leak betwixt the tank and hose:

  • tighten any leaking hose joints and fittings (cheque with soapy water, or fifty-fifty better, an ultrasonic detector)
  • if necessary, cut hose just above the tank plumbing fixtures and place a new pinch ring here
  • fit a wrench to the nut of the pressure valve and rotate it clockwise to release pressure
  • use PTFE record and wrap it around the threads of the new valve fitting, use a wrench on the compression ring and plough it counter-clockwise to tighten the nut
  • check again by either applying soapy water or using an ultrasonic detector, if the problem persists so supersede the fitting once again in the same style until you have no signs of a leak

FAQs (Frequently Asked Questions)

Can a leaking air compressor tank be repaired?

Information technology is possible to repair small pinholes if they are on a cleaved weld or a weak seam. You tin do so by welding or brazing the area. It is, nonetheless, not recommended to repair larger-sized holes or pinholes elsewhere that are caused past rusting or a generally badly damaged compressor tank.

Can you weld a leaking air compressor tank?

Yep, but just if you're welding a broken weld or a weak seam. The risk of an explosion is too high to use an air tank that has been badly damaged or is rusted, so it is not advised to weld or patch the air compressor.


If you take whatsoever questions about how to set an air compressor tank leak, please leave a comment below, with a photograph if applicable, so that someone tin can assistance y'all!

Source: https://www.about-air-compressors.com/fix-compressor-tank-leak/

Posted by: hargrovesirep1988.blogspot.com

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