How To Repair A Hole In A Polyethalene Gas Tank

How to Repair a Polypropylene Gas Tank

past C.Fifty. Rease

Brand X Pictures/Brand X Pictures/Getty Images

You cannot repair a damaged polypropylene gas tank with epoxy or a plastic tank repair kit, because gasoline volition quickly dissolve the epoxy and the leak will reappear. Polypropylene is a thermoplastic, which means that y'all can use heat to melt the plastic and create a permanent repair in the polypropylene gas tank. To heat the polypropylene, you demand to use a specialized tool that has a controlled rut output. This reduces the gamble that you will scorch the surface of the gas tank, which volition result in an ineffective repair.

Footstep one

Drain the gasoline from the polypropylene gas tank and remove the damaged polypropylene gas tank from the vehicle, per the vehicle's repair transmission, with the mechanic'due south tool ready.

Pace two

Remove any gasoline residue from the gas tank by pouring i pt. of acetone into the damaged gas tank, swirling the acetone around in the gas tank and pouring the acetone into the 1-gallon plastic saucepan.

Step iii

Pour a small-scale corporeality of acetone on a clean rag and wipe the damaged area of the polypropylene gas tank to remove gas residual from the outside surface of the gas tank.

Step 4

Permit the gas tank to dry thoroughly before proceeding.

Stride 5

Plug in the plastic welder, turn the heat control knob to 575 degrees Fahrenheit and fix the plastic welder aside to preheat.

Pace half-dozen

Gear up the polypropylene gas tank with the damaged expanse facing up.

Step 7

Place the speed tip against the damaged gas tank. When the surface of the damaged surface area starts to melt, drag the speed tip across the damaged area to tack-weld the surface of the polypropylene.

Pace viii

Align the speed tip with the showtime of the tack weld, slide a length of polypropylene filler rod into the speed tip, and push the filler rod into the melting tack weld.

Step nine

Elevate the plastic welder along the tack weld while pushing the polypropylene filler rod toward the surface of the gas tank.

Step 10

Clip the polypropylene filler rod with the side cutters when you reach the stop of the tack weld. Slide the speed tip over the cut filler rod to fuse it to the surface of the gas tank.

Step 11

Lay multiple passes of filler rod if the damaged area of the polypropylene gas is wider than one width of filler rod.

Allow the welded area to cool thoroughly earlier you reinstall the gas tank in the vehicle.

References

Things Y'all'll Need

• Vehicle repair manual
• Mechanic's tool set
• 2 pts. acetone
• 1-gallon plastic bucket
• Clean rags
• Plastic welder with speed-welding tip
• Polypropylene filler rod
• Side cutters

More Articles

Source: https://itstillruns.com/repair-polypropylene-gas-tank-5882700.html

Posted by: orrlittleth.blogspot.com

Share this post