How To Weld Aluminum Ac Line

Aluminum TIG Weld Repair of an Air Conditioner Line - YouTube. If not heat the joint more and check it again with another sweep.

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This stuff is soo hard and bonds so well you can drill and tap into it.

How to weld aluminum ac line. Apply the flame to the joint until its hot enough to melt the rod. Braze Aluminum AC Lines at Weld Strength with Muggy Weld. Try a heating and cooling shop and see if they could make you up one.

This is the AC line from his Jeep and unfortunately a. Hold the tip of the tungsten about ¼ inch 64 mm away from the aluminum. Then take a scraper and put the epoxy into the crack.

The heat is created by the electricity passing through the tungsten rod. So whats the best aluminum ac line repair. Then it doesnt matter what area youre in if a puncture hole happens to be why youre repairing the aluminum line.

The shielding is added through a compressed bottle that provides gas flow to the weld area. Use a solvent such as acetone or a mild alkaline solution like a strong soap to remove any oil grease and water vapor from the aluminums surface. This type of repair can do the job if its a puncture type hole or leak in the ac line.

Getting the tubing hot enough may take 4 to 5 minutes. If you pull the tip too far away it will cause the arc to spread too much and the weld will become difficult to. Let the alcohol dry before applying the JB Weld epoxy.

When everything is cooled off youll have a strong joint. Use a stainless steel wire brush used exclusively for aluminum to remove surface oxides. Aluminum will start to melt at 1200deg Fahrenheit but the brazing rod will melt at around 700deg so we want to get the aluminum hot enough to melt the rod without melting the tubing.

When you sweep the tip of the rod through the joint it should melt in. Next use a 1 to 1 ratio of hardener and resin and mix the two until they are the same color. Step 4 Open the valve on the Turbo-Torch and pull the trigger to light the torch.

JB weld wont do the job BUT theres a putty that is made with 80 aluminum powder and 20 epoxy. Even if you could weld one up I think it wouldnt come out too good lookin. How to MIG Weld Aluminium Strike a clean welding electrode around an inch from the start of your weld then quickly move it over to the point where you want to start welding.

In This HVAC Brazing Training Video I go over the Basic Procedure for Brazing a hole or crack in an Aluminum Coil Tube such as an Evaporator Coil. I sealed it with some of this putty and a peice of stainless steel screen as the matrix. Sometimes I trade favors with an engine builder down the street.

You may need to press hard to get the mixture to the back of the crack and really seal it. Aluminum Air Conditioning Line Torch Welding with Super Alloy 5 Aluminum Brazing Rod - YouTube. Some suggest a line splice kit.

You should try and rig up a test rig and spray the weld joint with soapy water before assembly and double check with a vacuum pump once youve got your system together. Push both copper lines into the matching swaged nipples until the copper lines bottom out against the shoulders of the swaged ends. You wont have ac at all.

2 pieces of aluminum air conditioning duct are joined with the braze technique using Super Alloy 5 aluminum repair kit and an oxyacetylene torch. Use a string bead technique as you move along the weld but be careful. The filler metal is a simple wire that the welder feeds and dips by hand which is then melted into the arc.

Clamp up the tubing and start heating the aluminum with a propane torch. Apply the flux sparingly to the outside of the copper lines because you do not want excess flux entering the condenser unit. Regardless of what is causing the leak in the ac line its a problem if the system cant hold the pressurized refrigerant.

I have used it many times including sealing a huge hole in my dirt bikes engine case. Aluminum Welding Training on your own at home - YouTube. Although these aluminum parts are of differing thicknesses Super Alloy 5.

Aluminum Air Conditioning Line Torch Welding with Super Alloy 5 Aluminum. You want the metal to melt the rod not the flame.

Aluminum Air Conditioning Line Torch Welding With Super Alloy 5 Aluminum Brazing Rod Youtube