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Brian,
The pattern on the sides of the tanks are probably due to the tanks being
doubled up and resting flat on the same sides most of the time. Also be
careful of bleeding the tanks down too rapidly. If you purge the tanks
from time to time, do it slowly. Any condensation build up in the tanks
will drip and settle on what ever side happens to be facing down. This
will be the side that gets hammered the worst. If you're using DIN, then
make sure the threaded cups are free of any moisture by blowing air out
before you make the hook up. Blow air out and make sure the fill whips
are clean before you make that connection.
Tilt the tanks like you described to get the spots on the bottom. Good
luck. - JT
At 03:04 PM 3/17/99 -0500, you wrote:
>>>>
<excerpt><fontfamily><param>Fixedsys</param><color><param>0000
,0000,8080</param><smaller>Yesterday,
I brought my PS 104's into my local dive shop to VIP them. Upon looking
inside I was shocked. There was alot of rust. It wasn't fine little
specs evenly distributed. There were quarter size spots that appeared to
be in a pattern. Four of these quarter size spots were in a straight
line traveling down the inside wall. There were a few other places with
these spots but they weren't as patternized. The spots weren't deep and
pitted like I expected. Most of it came off with a few minutes of wire
whipping. There were also quite a few spots in the far bottom of the
tanks. Both tanks looked about the same. Anyone have any idea what
happened from what I have described? The tanks are 3 years old and last
year when I looked inside of them....they were pretty clean.
</smaller></color></fontfamily>
<fontfamily><param>Fixedsys</param><color><param>0000,0000,8080&l
t;/param><smaller>I
spoke briefly through the shop owner to Bill High the Tank Guy in
Seattle. From what I understand, he is the guy who writes the brochures
for the cylinder manufactures with respect to routine care, maintance,
and warranties. He said it's probably from getting the tanks filled at
shops with immersion tubs, and that they probably aren't being careful
when filling. The only place I have had my tanks filled at are the North
Central Florida shops and the local shop in my area. The local shop in
my area has a brand new system with a self purging compressor. I am not
sure what name brand it is.
</smaller></color></fontfamily>
<fontfamily><param>Fixedsys</param><color><param>0000,0000,8080&l
t;/param><smaller>Since
I have access to a tank tumbler, I'm going to use it. What is commonly
put in the tanks for tumbling? The tumbler is at my uncles house and he
uses some kind of metal pellets. Have thoughts changed about what to use
during the past 20 years? My Uncle is from the Lloyd Bridges days of
diving. (: How do I get the spots out from the bottom of the tanks?
Should I elevate one end of the tumbler so the abraisant is collected in
the bottom of the tanks while they turn?
</smaller></color></fontfamily>
<fontfamily><param>Fixedsys</param><color><param>0000,0000,8080&l
t;/param><smaller>I
appreciate your responses and If you have questions...shoot.
</smaller></color></fontfamily>
<fontfamily><param>Fixedsys</param><color><param>0000,0000,8080&l
t;/param><smaller>Brian
</smaller></color></fontfamily>
<fontfamily><param>Fixedsys</param><color><param>0000,0000,8080&l
t;/param><smaller>"Wilderness
is not a luxury, but a necessity of the human spirit, and as vital to our
lives as water and good bread. A civilization which destorys what little
remains of the wild, the spare, the original, is cutting itself off from
the origins and betraying the principle of civilization itself."
Edward Abby -
Desert Solitaire
</smaller></color></fontfamily>
</excerpt><<<<<<<<
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