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Post by Terry on Jan 19, 2014 12:08:57 GMT -8
Thanks for the info Duckbill. The unit that you have pictured; is that what came with your compressor; or is this something you added later? I see you mention that what you have pictured is a "SECOND SEPARATOR"; so I'm assuming that you have attached this to a separator like mine which is part of your compressor. If so; are these units that you have pictured still available, and where can they be purchased. I would be interested in doing something like this, and if I recall I believe that I saw in one of my searches that Jim Shelden has something available like this that he sells. Thanks again! Terry
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Post by SeaRat on Jan 19, 2014 13:38:30 GMT -8
Terry, have you thought of setting up a cascade system with your compressor? That way, you could fill cylinders off the cascade system, and only run the compressor at a time that won't bother people (noise wise). I need to go to my LDS this week, and will inquire as to how their system is set up too.
John
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Post by duckbill on Jan 19, 2014 19:21:45 GMT -8
Terry,
Yes, that separator is in addition to the built-in separator on the 130R1500. The hose attaches to the output. It came with the compressor when I bought it, but the previous owner had purchased it after market. I'm pretty sure it is Bauer, and the little, blue filter inside is marked Bauer #04852-410. I don't think they are still available, but maybe. That little, blue filter is what I refill with the media.
Truth be told, I never detect any moisture coming from that second separator when I dump it, even when it had been run submerged in cold water. Even the walls of the inside remain dry. That speaks volumes to the efficiency of the quart filter of the built-in separator. But, that is running with back pressure, and I still use the 13-X to wring more moisture out before it goes into my cylinders for good measure, and the 13-X does show signs of having effectively removed moisture throughout a season when I change it. That 13-X gives me peace of mind.
I always detach the hose from the compressor when done filling, and plug the hose and turn the fill valve off to keep the dry air in the unit isolated in order to keep the dessicant good. Otherwise, I would think moisture in the compressor's separator would work up the hose and ruin the dessicant right quick. If you fill daily, maybe there's no need to do that as you should be changing the dessicant more often anyway under those conditions.
I have seen in-line housings in old dive magazine ads that you just fill with activated charcoal between a couple filter discs. Something like that and a back pressure valve is all you really need to be more certain of your fills being good. In the mean time, you should be able to use it as-is. Just expect needing an occasional tumble.
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Post by Terry on Jan 19, 2014 20:19:05 GMT -8
John: Yeah I've had a cascade system idea cross my mind a few times; but for right now I'll most likely just use the compressor as needed. Sounds like you're thinking about setting one up. If so; good luck and keep us posted on how things turn out.
Duckbill: I thought that was how your system was set up. I like that idea and I'll probably do something similar down the road after I get this up and running. I'll be anxious to get it running so I can see what the quality of the air is that it will put out as it is, and then take it from there. You have mentioned how helpful back pressure is which leads me to another question. I think I mentioned that the prior owner had installed a shutoff valve on the separator where the fill whip would be attached. If that shutoff were closed a bit during filling; would that or would that not create the proper backpressure to make the system as it now is more effective in removing moisture and providing drier air?? Terry
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Post by duckbill on Jan 19, 2014 22:40:22 GMT -8
Yes. Start with it wide open, when gradually shut it while watching the gauge. Keep a close eye on it throughout the fill to see how consistently it holds back air. The pressure is likely to change as the cylinder fills. You don't want to test the over pressure safety valve the hard way. The safety valve may or may not work! I guess you could carefully test the safety valve first. I hate doing that!
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Post by Deleted on Jan 20, 2014 8:36:15 GMT -8
Terry A photo of your disassembled tower would be helpful. Also, you might want to contact James Sheldon at "Compressor_Team@yahoogroups.com" for advise. He can also provide some items and even a twin tower setup that would actually upgrade the single tower system.......I intend to do that as soon as I can, hopefully this year.
Mossback
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Post by Terry on Jan 20, 2014 14:52:25 GMT -8
Duckbill: Your comments confirm exactly the procedure I was thinking of doing with the shutoff valve. I figure it's always good to get a second opinion.
Mossback: I am most likely going to send an email to James Sheldon to see what he might have that I can add on as another filter / separator. I like the setup that Duckbill has, and will probably try to do something like that. Right now I'm just waiting for the oil to arrive so I can fire this baby up and I'll take it from there. Looks like I'll have to get a little more coin together to buy a fill whip, and this filter / separator I'd like. One step at a time; but it's getting there.
Thanks again Guy's for you comments; they have been a really big help! Terry
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Post by duckbill on Jan 21, 2014 23:04:39 GMT -8
Terry, Throughout all this I've been assuming (no pictures) your separator has five fitting penetrations as was standard. 1) very top has the gauge 2) around the top ring on right side is inflow from compressor 3) around the top ring on the left side is the over-pressure (safety) relief valve 4) around the top ring on the front is the outflow fitting 5) on the bottom is the drain valve Furthermore, that the on/off valve you mentioned is attached at the outflow fitting. Is this all correct? (The outflow fitting in this picture has a brass cap on it) When you do get a fill whip, you want one with its own gauge at the filler. That way you can monitor cylinder pressure independently from the back pressure at the compressor.
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Post by Terry on Jan 22, 2014 6:22:47 GMT -8
Duckbill: Sorry about the no pictures; I've always had problems getting them posted. As for the picture of the compressor you posted; it's a dead ringer for the one I have and is exactly as you have stated. I'm glad you posted what you did though; because once again being a complete novice with compressors I was glad to read your post and confirm that everything was exactly as I took it to be. The only thing which was a slight bit different was my drain valve; which is a plug that you turn a half turn to blow the system out; other than that all is exactly the same. Thanks! Terry
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Post by duckbill on Jan 22, 2014 10:16:27 GMT -8
The only thing which was a slight bit different was my drain valve; Come to think of it, changing that valve was the first thing I did after buying the compressor (other than checking the oil). It makes life a little easier. I'm pretty sure I bought it from ProTec Air Systems. I think it was a surplus part. You might want to contact them and let them know what you have and what you want. Surfing their site I already see some things you might be looking for, like filter housing, 13-X, even Chemlube 201 though I know you already found the Jet ll. They were very helpful back when I called. Pro Tec Air Systems "Marge" 240 McCampbell Road Corpus Christi, Texas 78408 888-807-8247 www.protecair.com/email (might be old): protecair@aol.com So, mainly I want to confirm the on/off valve you mentioned is at the outlet on the front, not near the gauge at the top.
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Post by Terry on Jan 22, 2014 11:40:16 GMT -8
Thanks for the link you provided Duckbill; I'll definitely have to check them out! It looks like they will have some things I'll either want or be in need of. Thank God you gave me a website to check out; because once AGAIN it's snowing like you wouldn't believe - man what a winter we're having this year; it just doesn't stop. In fact; with this weather I'll probably have to have a rum & coke when I'm checking out this site - that should help! As per the shutoff valve; you are correct that it is on the front side where you have the brass cap located. Terry
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Post by Terry on Jan 22, 2014 13:51:35 GMT -8
IT RUNS!! Just put in the Mobile Jet II and took it outside on the covered porch and flipped the switch, and away she went. Seems to be running OK which I was real glad to see and hear. Not the quietest little thing is it? In getting ready to run it for the first time, and not knowing how long it's been since it's been run I decided to follow the instructions in the Cornelius manual for the preliminary lubrication run. This called for removing the intake filter, and also disconnecting the tubing from the separator / filter that comes from the third stage. Then turn on the compressor and introduce about 1 ounce of oil through the first stage intake, and then let it discharge from the third stage into the atmosphere. I followed these instructions, and after doing so allowed it to run for about a half hour; every so often holding a clean white cloth in front of the tubing from the third stage to check the air for cleanliness. At first it was blowing a pretty good mist of oil; but now it is almost non-detectable and it seems to be blowing really clean. Little by little we're making some progress! Terry
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Post by cnotthoff on Jan 22, 2014 14:08:25 GMT -8
Terry, Did that Cornelius come by way of Ebay from a guy in California? It looks EXACTLY like one I sold a few years back. I don't recall where it went. Sure hope it meets your needs.
Good Dives,
Charlie
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Post by duckbill on Jan 22, 2014 14:46:35 GMT -8
Terry, Did that Cornelius come by way of Ebay from a guy in California? It looks EXACTLY like one I sold a few years back. I don't recall where it went. Sure hope it meets your needs. Good Dives, Charlie LOL! It took a while for that to soak in! I assume you mean THIS Terry since I posted the photo:-) No, I bought it seven years ago from Chuck Tenge in Kentuky (aka "BroxtonChuck" here on VSS back then). Great news, (the other) Terry! Sounds like you're in business. The proof will be once you do a fill to be sure it pumps up to pressure O.K. Just need a whip for that. In the mean time, see if you can come up with a safe way to test the safety valve. Don't necessarily trust the gauge on the compressor, though. See if you can use a second gauge to do a comparative test of the gauge on the compressor somehow before trusting it, or take it off and have it tested independently. I don't mean to scare you, but you don't want to take chances with 3000 psi.
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Post by Terry on Jan 22, 2014 19:00:56 GMT -8
Charlie: I did get this compressor on ebay; but it was from a guy by the name of Jan Throndson with J.B. Tools in Rochester, Mn.
Duckbill: Yeah; things so far seem to be moving along pretty good. Pretty soon I want to look into getting another separator / filter, and I plan to contact Jim Shelden to get some info on a unit that he has. As soon as I get a chance I definitely want to check the pressure readings on the gauge that is on the tower to make sure it is reading properly. You're right; I don't need any big unexpected surprises there! Thanks again! The other Tery
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