Eric Seselja
Guest
How do clean inside a aluminium 80? I got mositure, grim, white dust, its all over.
How do you clean the inside of aluminium 80 cu ft?
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norcaldiver
Guest
take it into a shop and have them clean it for you. Usually they use(from what I've seen) simple green and glass beads, cork the top and put it on a slow tumble for a while. It gets them clean as a whistle.
I am NOT a tank inspector, cleaner, or service tech. So if you try it on your own, it will be just that, ON YOUR OWN.
I am NOT a tank inspector, cleaner, or service tech. So if you try it on your own, it will be just that, ON YOUR OWN.
canuckdiver
Contributor
from what I have been told, aluminum tanks have to be tumbled with different media than steel tanks, and using the normal methods can damage the tank. Probably better off to just take it to a shop. Fire extinguisher shops can sometimes offer this service too.
We roll ours with a light abrasive ceramic, the tank is partially filled with water and the ceramic beads then rolled to lightly remove any contamination.
The white dust you see is most likely oxidation, when aluminum oxidizes it does so in the form of white powder or even flakes.
It would be best to take the cylinder to someone with an apparatus already built if your not going to be doing many tanks... But a roller is fairly easy to construct.
Jeff Lane
The white dust you see is most likely oxidation, when aluminum oxidizes it does so in the form of white powder or even flakes.
It would be best to take the cylinder to someone with an apparatus already built if your not going to be doing many tanks... But a roller is fairly easy to construct.
Jeff Lane
OP
Eric Seselja
Guest
Is it easy to build a roller for aluminium tanks. How fast rpm? what kind of beads. Well thanks for the info.
It is very easy to build, it should be slightly higher on one end to help the tank stay in place on the rollers.
The tanks should rest on sets of locked or one direction style castor wheels, only the first set needs to be driven by your power source.
The tanks must spin slowly enough to ensure the abrasive is not held in one place, it should be freely sliding down the tank wall...
http://www.gmcscuba.com/tumbler.htm
Here is one example with instructions...
http://www.lni.wa.gov/wisha/regs/WACS/24/24_k.htm
And here is what the regulation looks like (this is Washington States legislation but the regulatory information is accurate)
Jeff Lane
The tanks should rest on sets of locked or one direction style castor wheels, only the first set needs to be driven by your power source.
The tanks must spin slowly enough to ensure the abrasive is not held in one place, it should be freely sliding down the tank wall...
http://www.gmcscuba.com/tumbler.htm
Here is one example with instructions...
http://www.lni.wa.gov/wisha/regs/WACS/24/24_k.htm
And here is what the regulation looks like (this is Washington States legislation but the regulatory information is accurate)
Jeff Lane
If you want to do your own tank cleaning and or inspecting I would suggest several choices
Oxygen Hackers Companion
Scuba Regulator Maintenance and Repair
both by Vance Harlow and available from Airspeed press online
Luxfer Scuba Cylinder Visual Inspection Guide
print the order form from Luxfer's website [a little hard
to navigate]
PSI also sells a guide to inspecting cylinders
The first reference [O2 hackers Guide ]also tells you how to make a tumbler
joens
Oxygen Hackers Companion
Scuba Regulator Maintenance and Repair
both by Vance Harlow and available from Airspeed press online
Luxfer Scuba Cylinder Visual Inspection Guide
print the order form from Luxfer's website [a little hard
to navigate]
PSI also sells a guide to inspecting cylinders
The first reference [O2 hackers Guide ]also tells you how to make a tumbler
joens
The hydro place I use charges 15 bucks for a tumble. It's hardly worth your time to construct one, buy tumbling media and then do the job, IMHO.
Neil
Neil
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