Weld a patch on an air compressor tank

Even in the case of pinhole leaks, it is possible to plate weld a patch over the entire bottom of the tank, where rust usually causes these pinholes. Buying a compressor that is big enough will help keep the water dry too. Release the pressure from the tank with the release valve as before. They leaked badly, returned them, still not great, but i have a ball valve at the tank so i can shut off the air line. Air compressor tank miller welding discussion forums. Use a spray bottle of soapy water to spray around fittings, including the emergency release valve and tank bleed fitting on the bottom of the tank. Welding on air tank bob jones, while i dont necessarily agree with the manner in which some comments were made and points stressed you must understand that we see a large number of persons without the necessary skills for the type of work they wish to accomplish seeking advice here. Two stage compressor, so 150175 psi and incompatible metallurgy. Apr 27, 2012 ive read a lot about the dangers of welding air compressor tanks. How to repair a leak in an air compressor tank ehow. Turn the compressor on and allow it to charge fully. This will keep any fumes from building up and will leave a nice weld joint when completed. In this video i attempt to weld a hole in an air compressor tank.

Internal rust makes the metal weak and the repair could fail, causing serious injury or. I bought this compressor pretty cheap with a 60 gallon tank which has a one inch hairline crack on the top of it near the motor mount. There is a hole about one eighth inch in diameter on the bottom of the tank. The female part of this attachment can either be tapped if the wall of the tank is 316 inch thick or more or another bushing can be welded into the side of the tank. Most novice welders can put one together and not have to worry about any problems. Having welded on and tested tanks upon completion im not seeing the concerns with a psi air tank. I have a monster 100gallon shop compressor setup i was given that turned out to be ancient like 60 years old. Is there any reason you couldnt weld on a air compressor tank thats bled down. It has a welded nut on the bottom of it used for a support stud. I repair machine tools and do facilities maintand am one cheap bastard.

With growing demand for horizontal with top plate air compressors tanks, it has become important that you find the most appropriate air tank suitable to your requirement. Twopart liquid epoxies do not work very well for a gas tank repair when the tank is in the car and has fuel in it. Welding cracks and pipes on a hot water tank is one method to fix a leaking water tank. Replace the vent valve and run the compressor until the automatic shutoff turns the motor off. I need some advice on welding an air compressor tank. Emglo gas compressor tank pinhole leak welding repair youtube. I got down to inspect it, and its leaking from a pinhole in one of the welded seams at the end of the tank. My experance with welding these tanks i,m still alive i have welded all my life but i should have checked into this i guess. I purchased some made in china crapola fittings for the hook up.

Most leaks will occur due to loose or incorrectly installed fittings. Turn the power off to the compressor, or unplug the power cord. Unless you are willing to cut the bottom or so off the tank and replace it the small patch is a big nono. Air compressor tank welding question showing 150 of 50 messages. Sep 22, 2009 off the subject a bit, but year before last i bought a 60 gallon tank, 6 hp upright campbellhausfeld compressor at home despair. You will weld the patch 100% because it needs to be air tight, not for strength.

Can you weldcut on a compressor air tank welcome to the. Air compressor tank safety dont repair rusty holes. May 30, 2018 youre a welder up the holes that were in the compressor didnt work good so i had to put epoxy on it the patch and it worked. The nut is leaking around the edge of the weld bead where it is attached to the shell of the compressor.

The tank is about 4 12 long and about 1 12 wide, heavy duty. A weakened or improperly repaired tank has the potential to rupture violently with enough explosive force to seriously injure or kill. Because hot water carries more moisture, and a smaller compressor will have to run more frequently, which makes it run hotter, a larger unit will provide dryer air. This hot air plastic welder redefines the word easy. Air compressor tank drains are designed for medical, industrial, and commercial operations. Remove the fittings from the compressor pump and put a quick disconnect fitting on the end of a hose that is connected directly to the pump. This project takes some time and skill as there is lots of welding and complicated fittings involved. You may be able to accomplish this by watching the gauge, listening to the sound of the. Do not attempt to weld it on the truck, and be sure you have a tank sourced. Place an air nozzle into an opening of the tank and let a stream of air flow through the tank and exit out of another opening while welding is being performed. Adapters for tanks create an inlet or outlet connection on the surface of any tank, pressure vessel, or drum. I can not give you a specific list of the fittings. The water vapor will also tend to condense out in the tank as it cools, so a bigger tank is better too.

Jun 25, 2011 one would still need a way to bleed the air out of the top of the bell when mounted vertical as a storage tank but i believe the thickness of the bell is enough that a 14 or 38 hole could be drilled and tapped without the need to weld a fitting. Have any of you heard when a air tank has a hole in it, is it safe to weld a piece of metal to cover the hole or to weld the hole shut. Sep 12, 2010 clean a fuel tank with a strong solution of a soap such as dawn. Get a craftsman zd24941 tank 919 craftsman air compressor parts air tanks come in a variety of shapes and sizes. Never try to repair a rusted out air compressor tank. However, there can never be enough storage for an air system. Was wondering if the heat of the welding rod or wire welder whatever you used would make the metal more brittle. The tank is only 5 years old and it is not that rusted yet. Welding to the rusty bottom would be like trying to weld to tin foil, even if the patch was a good idea it would be a nightmare to keep the welds from burning through. Youre a welder up the holes that were in the compressor didnt work good so i had to put epoxy on it the patch and it worked.

Mar 07, 2006 boiler and pressure vessel welding is usually done by a certified welder. Popped a pin hole this past fall, sanded the spot good and patched it with jb weld but is leaking again around the patch, looks like the inside of the tank. Then, put a quick disconnect fitting on the air tank. Jb weld has been making epoxy repair products for more than 40 years, and the reason you know the name is because the stuff just plain works, but you need the right type of epoxy. Made by saracco tank out of sam francisco which appears to no longer be in business in 1981. Air compressor tank repair page 2 practical machinist. Air compressor tank repair can this be repaired by welding a patch to the tank. A few years ago i trashed an old water heater, and noticed a tag on the tank itself that stated not to exceed 300psi which is about what a lot of air. Emglo gas compressor tank pinhole leak welding repair.

With its twospeed blower for better control of your weld. There is really no visible gap but you can barely catch your fingernail on the crack and you can hear it leak. Sizing the recommended sizing for air compressor tanks is 4 gallons per cfm for rotary screw and piston air compressors, and 2 gallons per cfm for variable drive compressors. When a leak in a tank develops, it is nearly impossible to repair or weld because most leaks occur at the weakest point in the tank, which is where the drain cock is installed. A builtin blower eliminates the need for a separate air compressor. I do metal work and the compressor is used for multiple air tools and a plasma cutter. Winterize rv, boat, motorhome, camper, and travel trailer. I have no complaints, it compresses air and i use it to fill tires, soccer balls, blow stuff wife wont, lol off the work bench and garage floor. I have a neighbor who has a very old air compressor maybe 50 years or so that has a leak in it.

Page 1 of 3 air compressor tank leaking, repair or replace. Air compressor tank hairline crack repair miller welding. Horizontal air tanks with top plate compressor world. However, a hot water tank may get damaged which can lead to leaks. Find another tank, there are hundreds of tanks tossed all the time because the motor or compressor died, save the headache, replace the tank. Its a good idea to have an electric automatic drain in the bottom of your tank. At 40 below in the high arctic, the air is very dry, but thats not a good enough reason to move there. I jb welded a pinhole on my late dads horiz compressor tank that lived at farm, occasional use with plenty of hose but i wouldnt have it in a shop. Cut a square into solid metal on the tank and use some 16 gauge plate and make an overlay patch. I changed the oil and airfilter, switched the pressure switch from 175 to 125psi, built an air line, and have been enjoying it ever since.

I had to weld a tank, it was a portable air compressor w5hp briggs engine. The inside has a layer of schmoo on the bottom inside, no drain of. Add to cart more air hose assemblies more information. Your tank most likely has build up of hydrocarbons inside from compressor oil. I am not aware of any affordable way to get dry air to put in an air compressor tank, though doubtless, industry does. Most of these warnings are about fixing pinholesleaks, as the damage is often much more extensive than meets the eye. I made a temporary patch on a small air compressor tank, by drilling out the pinhole and installing a self tapping screw covered with jb weld. Adapters with weld end allow for a permanent connection. The tank could have explosive failure at your repair.

Start by taping the edges of rupture of the tank with a hammer until they are aligned. Ar040700cg 20 gal asme tank gray po tool parts direct. Air compressor tank drains are built to remove condensations and gases. Well today it was running and had a tiny pin hole pop in the bottom of the tank. Say for instance you are patching an air compressor tank that has a hole rusted in it. Use a wrench to tighten fittings that have air escaping. Use an angle grinder to grind off the raised metal at the weld or seam to expose the hole or crack. Welding on compressor tank american welding society. Watch the tank air pressure gauge as it rises to be sure the motor shuts off at the correct psi. Ryobi air compressor 1 gal 18volt cordless tank pressure gauge tool only p739.

The lifespan of an air tank is directly related to how often you tug on that cable hooked to the drain. If the hole was positioned down so that when jb weld was inserted in the hole with some type of syringe so that it formed a head inside of the tank. Oil from the pump gets in the tank and you end up welding on a bomb. Grind the surface until it flush and smooth with the surface of the tank. If you do attempt to weld it make sure you monitor the internal pressure of the tank. One of them split once, i tried to weld it but never had any luck, air tanks breathe like a lung, you can weld steel if its not rust that is the problem or aluminum tanks but only at the seem. He pumped it up and put his hand underneath to feel where it was leaking and it blew up and injured his hand. How to aftercool a compressor to remove moisture easy project. Get a craftsman ta4318 tank 919 craftsman air compressor parts air tanks come in a variety of shapes and sizes. Its some sort of no name, farmnfleet brand of air compressor.

For testing we used a gauge and filled the tanks with air and then looked for leaks with a. My guess is the original weld may have partially blown through the case. I got an old propane tank,was around 85 to 100 gal. How to fix a leak on the bottom seal of my air compressor. The air was exiting at a weld joint for the compressor mount. Manchester air compressor for sale in bennington, vermont. One day went to open the drain valve and the tank ruptured narrowly missing a serious injury or worse. At or near the top of the tank install an air valve stem with a 14inch npt base. You can dialin the perfect temperature with the temperature control dial. The grunge coating inside of tank could release explosive gas when heated and explode. Yeah, after changing the drive belt and test running it, when i opened the petcock to drain the tanks i felt it on my hand. After welding tank it must be hydrostaticly tested to 1.

Next, starting on the opposite side of the patch weld around it again. I did expect it to blow out the plug the first time tried it, but it didnt. Weld around the perimeter of the bushing so the pipe from the pump to the tank can be installed. Air compressor quickconnect plug to male garden faucet blow out adapter fitting solid leadfree brass 4. This hightech heat gun is just loaded with benefits. If its in the weld seam of the air tank, you could try to have it rewelded or i guess jb weld might be the next closest repair. We had to weld end caps on the rolled steel to build the tanks. Theres some pretty nasty pics of a guy missing part of his head from welding on an empty air tank. Adapters with extension fit tightly into the hole, which keeps the fitting steady during welding. Air filter, regulator, lubricator combo, 38 inletoutlet. Damage can include cracks in the tank or a tank pipe busts from cold weather. So i have a decent, but it was free, used compressor. My question is whether or not it is safe to weld brackets to the top of a newerleak free tank.

In fact all air compressor tank manufacturers require that the tanks are. Cleaning the rust out of an air compressor tank the. Was wondering if the heat of the welding rod or wire welder. Nptf dryseal threads and npsl national pipe straight locknut threads are. The water tank is coated with a polymer material that prevents the tank from rusting. Since the compressor is 35 years old, and the tank is 35 years old, just buy an air tank. Do a solid stitch weld that is air tight and you should be good. Jb weld might work if you could get it on the inside, also if an inspector saw jb weld on the tank you would be out of service.

A guy at work was wondering if he would have to scrap one because of a broken or rusted through leg on the front of a household model. You can weld on an air tank but if it is of any age it will disintegrate when you touch it. I dont recommend that anyone try repairing their own tank. If you are going to be welding a tank that will be holding pressure. I have a 1965 saylorbeall compressor head that i know works ready to chooch. Off the subject a bit, but year before last i bought a 60 gallon tank, 6 hp upright campbellhausfeld compressor at home despair. Compressor world gives a variety of options starting from small units as low as one gallon capacity to 2650 gallon capacity. A propane, freon, or even another air tank is great. A patch might be ok for a puncture hole on a sound tank, not a rust pos. I need to weld on a bracket to mount a different motor compressor. The moisture comes because the air coming out of the compressor is pretty hota. The metal is too thin to hold a weld so then it must be replaced. Air bumpers are an easy way to make an air tank for a vehicle.