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Clean the area by sanding and wiping with acetone. 603-435-7199 as listed on his web site.
The problem as has been pointed out is the very strong likelihood that more then just one pin hole exists in the weld beads.
Aluminum diesel fuel tank repair epoxy. Aluminum bonds well with epoxy assuming the prep is proper. This isnt the issue in this fuel tank situation. The problem as has been pointed out is the very strong likelihood that more then just one pin hole exists in the weld beads.
Given this probability you have to fix the tank with more metal. However I think the application of coal tar epoxy to aluminum fuel tanks is worth investigating and the place to start may be with Paul Oman of Progressive Epoxy Polymers Inc. 603-435-7199 as listed on his web site.
Were I replacing my own tank Id certainly invest a. Ive always coated new aluminum diesel tanks with. Surface prep is key.
Keep them out of the swamp and theyll last longer than you with an epoxy coating. Ive removed uncoated tanks that looked like someone shot the bottom with buckshot. Careful bedding and no open cell foam.
They corrode from the inside as well. Repair will be complete when the resin cures in 30 minutes. Tank may be refilled after 30 minutes or when the repair is tack free.
The repair resin is designed to harden within 8 10 minutes and cures in 30 minutes. Repairs can be made ideally at temperatures from 50F to 75F 10C to 24C. Joined Feb 3 2017.
12 Jul 21 2020. It sounds like the crack could be structural in this tank. Steel tanks dont just crack by them self.
Epoxy for a fuel tank repair special kit should keep it from leaking. Its not a structural repair. It needs to be welded to do a good repair.
No big deal. I usually use 18 thick material. I tig weld if at all possible because less chance of a leak in the weld.
Mig you may get a pinhole leak. The tanks are usually to thin for stick. Most of the time leaks are from rust behind the straps.
I dont try to seal original leak and just weld patch over top. Fuel will leak in between tank and patch. QuikSteel Epoxy Paste Repair Our standard Putty and Paste can withstands up to 500F260C and can be drilled tapped filed machined sanded painted once fully cured.
Bonds to all metals fiberglass plastics glass wood ceramics brick Almost anything except rubber. View The Complete Line of QuikSteel Repair Products. TANK REPAIR EPOXY is excellent for welds joints corners pipe extrusions cracks holes and repairing of interior and exterior of various tanks due to damage.
This two part metal specialty resin enriched polymers are designed to be used to refurbishrepair leaking metal tanks or. Being fast to cure make it easy to apply to non-horizontal surfaces I fixed a leak on the bottom of a fuel tank between rounds at a race one day by using a sandwich wrapper and tape as a mold to hold the epoxy to the tank until it cured then pulled the wrapper off. Ive also have good luck with POR15 tank sealer in a diesel tractor.
The repair will then be fairly straightforward. Since most diesel fuel tanks are made of aluminum or black iron a welding shop can repair either material with relatively little expense. First remove the inspection cover and thoroughly clean the interior of the tank.
While youre at it inspect it for pitting and other potential future problems. If the tank doesnt have an inspection cover now would be. This complete repair kit permanently repairs gasoline and diesel fuel tank leaks in less than 20 minutes.
Use it to repair pinholes rust-outs hairline cracks and holes up to 12 in diameter. No draining and no welding required. Metal tank plastic tank fuel tank oil pan.
Features Lightweight aluminium filled epoxy that has the characteristics of an aluminium finish Non-sagging non-rusting epoxy putty NATO stock number - 8030000514011 Applications Suitable for repairing aluminium parts filling aluminium castings and forming lightweight prototypes Ideal for a variety of applications that require a maximum operating temperature of 120C. Aluminum fuel tank repair. Blacktip I use Marine-Tex and cloth on gas tank repairs.
Clean the area by sanding and wiping with acetone. Cut the cloth to size and then try to work the Marine-tex into the cloth fibers place the cloth over the area under repair and use a putty knife to make it smooth. My Rides 3 My Rides 3 Posted August 2 2013.
The problem with epoxy tank repairs lasting is the ethanol in gas. Some are more resistant to ethanol than others. And prep is very important.
Having tried repairs my recommendation is to replace the tank. Buy Fuel Tank Repair Kit - Epoxy Putty Fuel Tanks - NCB 8217 online from NAPA Auto Parts Stores. Get deals on automotive parts truck parts and more.
JB Weld also makes a gas tank repair kit which consists of a tube of epoxy putty fiberglass cloth sandpaper and an applicator. This repair is the same as the SteelStik but adds some additional strength with the fiberglass. This is best used in larger repairs.
We repair a lot of Aluminum radiators for race cars with rock holes in them Use a 2 part epoxy and clean the area by pouring boiling water over it. The boiling water lifts off dirt oil and antifreeze give a clean surface for the epoxy. POR-15 Fuel Tank Repair Kit - Automotive - 1 Qt - Car Truck Gas Tank Repair Superior Strength Fuel Resistance Stop Rust Corrosion and Seal Pinhole Leaks 45.
Use the sandpaper to sand the tank covering a few inches around the leak. Take it down to bare metal. The sanding does two things - cleans any paint rust and road grime from the gas tank repair area as well as gives the epoxy something to grab onto.
It works better than smooth metal. Spray the area with the cleaner and wipe it down. You can repair the gas tank with HTS brazing rod using a torch to heat up the aluminum surface until the rod flows and fills in the cracks.
The surface preparation and treatment is identical to the cold epoxy weld procedure. You will use flux to prep the metal before welding and a. Just fix it the right way now.
Cut the deck and replace the tank. Forget the band aides. You can have this entire project knocked out and be in the water before the season even begins.
Aluminum does not usually crack. Its most likely corrosion which can be wide spread in areas you cant see. Not replacing the tank is asking for trouble.