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Windy thanks for the reply, I had not logged into Scuba board for a while. That gives me what I was after. I will send some photos just for fun.

The parts diagram an a very basic user manual are the only documents I have ever seen. I used to have a guy in the Pacific North West who worked for Bauer forever but he has retired.

I have a Mako K13 which the relief valve between the 2nd and 3rd stage started releasing after not being run for a few months. I figured this was the classic sign of worn valves and I replaced the valves in the third stage. The relief valve is still releasing. Anyone know what the appropriate...

Nuvair from Coltri Sub makes a few "portable" nitrox systems. Portable likely meaning it will fit in the back of a pickup truck. Nitrox Systems from Coltri Sub

I have used the Analytical Chemists kit for years and I never thought it was complicated or had bad instructions. Just follow the pictures and you are good to go. I just did a test with them and it was $120. One thing about their test, they pay the postage both ways. I am not sure about other...

Jim Shelden is the guy for Kidde compressors Shelden Sporting Goods Inc. - High Pressure Air Compressors I am sure he will come on to this discussion pretty soon.

Try calling American Airworks they are a Haskel dealer and they were very responsive to my issues in rebuilding an AGT60. They have a good technical service department and lots of parts in stock if necessary. American Airworks - High pressure breathing air equipment

I have the DC glove/rings and they have always been hard to get off. I have found that if I use triolube/crystolube instead of silicone grease that makes a big difference. The oxygen lube seems to have more lubricity (did I make up a word?) I was using regular silicone to start and when I...

I don't claim that continuous blending is without risk. Are there instances of people burning up compressors when doing continuous blending, sure there are, but the vast majority of hours which people run 32% - 36% through compressors are without incident. If you take this to the logical...

Iya Diver you are confusing a few things here. The main reason that we make a big deal about having oxygen compatible air/modified E grade etc... (really, really, clean air) is if we are using that air to blend with 100% oxygen at high pressures when we are partial pressure blending. When we...

The bauer site has lots of stuff on line. I even found a parts diagram for my late 60's K13 BAUER COMPRESSORS - Service & Support - Technical Documents - Spare Part Lists, Accessories Catalogues & Service Manuals

Check out the Oxygen Hackers Guide from Airspeedpress.com A good start to all things compressor and fill related stuff.

I was trying to visualize what part is holding it in to the crank case. I beleive I have the proper manual for this machine and I can't see anything on the diagram. Do you think there is anyting not being shown here?

I have an old Utilius / Mako K13. The oil pump housing is a separate piece from the block. It is bolted on with a gasket between the block and the pump housing. I was starting to leak a fair amount of oil from the joint between two so I figured I would replace the gasket. I removed the the the...

Since it sounds like you are just venturing in the deep end here you might want to start with the book "The Oxygen Hacker's Guide" by Vance Harlow. This is a good starter on all things home fill station. (Available from Airspeedpress.com) As far as manufacturers go Bauer does have probably...

I have a Mako/Bauer K13 (which I believe is a Utilus R) and the oil pressure regulator is starting to leak a bit more that the occasional drip. I got a rebuild kit from Lawrence Factor-New Parts folks but I don't have any information on how to rebuild this other than the parts diagram. Are there...

One of the first things that you should do as a new compressor owner is get the Oxygen Hackers Guide. This will answer many questions about setting up a fill station. It is a great reference. Airspeed Press Homepage - Books For Serious Divers

Most good hydro shops can do an internal shot blast and steam cleaning on industrial size cylinders. That is what I would do with any big tanks that are nasty inside. Then you should be good to fill them with clean E grade or better gas.

The only way you would know what oil is in the compressor is to ask the company who serviced it what they used. You cannot tell by looking. Most people who do continuous blending use synthetic oils. You will need to check with the compressor manufacturer as to what synthetics to use. Note...

Doc is referring to the filtration after the compressor. The w-31 has a smaller filtration unit mounted on the compressor rather than a larger more complicated separate filtration system. Not uncommon on most smaller compressors. Many people, including Doc, have addtional filters mounted...