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> From: "Tim Bengtson" <tbengtson@VN*.IB*.CO*> > TIM OLSON - UNDERWATER VENTURES <WOLFMK@CN*.UW*.ED*>writes: > >I have found that warm white vinegar works well at eating up deposits on > >regulators, especially when used in an ultrasonic cleaner (try a jewelry > >store for a cheap one). I would NOT however, dissassemble your regulator, > >or try to soak the inside without dissassembly, and that means that if > >you're taking it apart, youhad better know how to put it together WITH THE > >CORRECT METHODS, and know how to adjust it when it is back together. > > This brings up a point that has been a concern of mine for some time, and > that is, just where does one go to get information on how to service > regulators? No doubt many experienced divers have grown tired of being A follow-up on my original posting regarding the cleaning of a regulator. The regulator in question is an old Dacor Pacer - no intermediate pressure settings (spring compensating) and actually quite easy to assemble and disassemble. I've treated this attempt at a regulator overhaul as a look-see as to why and how regulators work. The first message I received was from Callum (thanks!) advising me to use kettle or steam iron de-scaler to remove the deposits. First I stripped the plastic parts. Using a weak solution and waiting until the chemical stopped working (about 5-10 minutes when bubbling ceased), the metal parts got very clean. Re-assembling was a breeze, only the second stage leaked for a while until I got the settings right. The necessary O-rings I got through contacts of my instructor. About the ultra-sonic cleaning - I have such a system available (in micro-electronics lab), but didn't consider it worth the trouble. Furthermore, I'm far from being a very experienced or technical diver, but I though if you can service a car's carburator, overhauling a regulator shouldn't be that much more difficult. IMO, the secrecy surrounding regulator tune-up isn't really neccessary. Was quite pissed off to pay for overhauling a Poseidon that failed before a dive last weekend. Very easy to disassemble the 2nd stage, which I did to a point and got afraid of messing up (wasn't mine). Getting info on regulator servicing, I expressed interest in finding out what the technician at a commercial (as in working) diving shop do when servicing my regulators and cylinders. He was always willing to show me. The local diving shop is also always willing to show me when they work on a reg - even settings etc. Be interested and they'll help! Hating the words "No consumer replaceable parts inside" also helps :-). I'll be cautious to strip more modern regulator's like my regular one, but maybe one day I'll need to. Thanks for all the great info. - Gerrit ****************************************************************** G. Conradie Phone: +27 21 808 4452 (W) Dept. E & E Engineering +27 21 903 4306 (H) University of Stellenbosch Fax: +27 21 808 4981 (W) Stellenbosch, 7600 South Africa Email: conradie@fi*.su*.ac*.za* ******************************************************************
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