This tank is notoriously difficult to drain. Even with the gas tap, fuel level and main filler opening it requires much "shaking and rocking" along with pulling the last half pint or so out with a suction device like a Mighty vac.
Also, it would seem that keeping the exterior painted surfaces clear of material is going to be a significant challenge. How corrosive or paint damaging are the Aqua Kleen, Rust Blast and Sealer? What do you suggest for a suitable barrier material to keep those fluids off the paint? Or is that simply not feasible?
Having just drained my tank and having watched the instructional videos, I think the best process is to plug the gas tap and fuel level openings and just use the main filler opening to get the Aqua Kleen, Rust Blast and Sealer in and out of the tank. I would then use a suction device to get the last bit of Aqua Kleen and Rust Blast out. It seems that the Sealer is much thicker in viscosity and probably not easily suctioned out? What do you suggest?
BTW - Your product comes highly recommend by a vendor, Murphs Kits, who sells to the Concours owners.
Thanks for you time and help - it is appreciated.
Bill Buchanan
About this topic
- Posted by cog2803 10 months ago. There are 3 posts. The latest reply is from cog2803.
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Bill, some tank designs definitely present different challenges. If you do not allow the AquaKlean & RustBlast to soak on the exterior and rinse it off with clean water if it should get on the paint, you should have no problems. We mask off previously painted tanks with plastic to help minimize the contact time.
You have the right idea in suctioning out the remaining AK & RB and any excess water. Remember to let the tank dry VERY WELL after the final rinsing, as you don't want any moisture in the tank when sealing. As for the excess sealer, do your very best to drain out any excess, then keep the tank moving every 10-15 minutes to allow the sealer you were unable to drain out to "spread out" evenly throughout the tank instead of pooling/puddling in one specific area only. In other words, it can be done...it just takes a little more patience. -
That sounds good. I can see it being a bit of work to mask off the painted area but I think I will give that a whirl. I will also need to create a "stopper" for the main fuel fill opening as the factory tank cap is vented and will leak fluid when inverted.
The specifications for the tank is 7.5 total capacity. How important is it to proportion the amount of Aqua Kleen, Rust Blast and Tank Sealer? It looks like 7.5 is approx 60% of the 12 gallons that the Large Cycle Tank Sealer kit will cover.
Thanks
Bill
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