CO2 tank Howto

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Postby Selahdoor » Sat Jan 15, 2011 4:33 am

A refigerator compressor, when set up as an air compressor, can usually do 1000 lbs or more in pressure.

Takes a while to fill a tank, but it will do the pressure...
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Postby N law » Mon Jan 17, 2011 1:51 pm

I picked up a CO2 tank at an estate sale yesterday for $17.50 with a small (up to 60 psi) regulator! I don't think its been pressure tested since 92!!! They had 3 more and a Helium tank. Two of the CO2 tanks were about 5' tall.

It has Coke stickers around it; does anyone know if AirGas will exchange it without much hassel? I have another one that my buddy and I "won in a game of chance" that looks like it was last tested in Feb 2006. I'm gonna try to take them in and switch them out for minimal costs.
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Postby BigSwede » Mon Feb 14, 2011 7:53 pm

I'm putting a CO2 system together...got a 20 lb. tank because they are only a couple bucks more to fill than a 10 lb...too cheap to pay the premium for a smaller tank. Got a high flow fixed pressure regulator from, of all places, a Toyota dealer in Texas. Got a fire extinguisher bracket from Grainger. Got a good hose from Sears (not as cheap as HF but I had a gift card). Now all I gotta do is get it mounted securely...definitely don't want that tank crashing around in my rig in the event of a rollover or a traffic accident.
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Postby Selahdoor » Tue Feb 15, 2011 1:50 am

BigSwede wrote:I'm putting a CO2 system together...


Pictures !!
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Postby BigSwede » Tue Feb 15, 2011 4:29 pm

I have all the pieces but that's all I have so far...once I get it installed I'll try to take some pics. Snow is melting today so maybe soon...
95 Trooper LS - 4" lift, 35" tires, 5.38 gears, ARB lockers
Indy4x Revolution 3.07:1 low range gears, Indy4x HD tie rods, homemade sway bar disconnects, Calmini HD sway bars, Darlington diff drop, OME 929 coil springs + 1" poly spacers and 1" body lift, Indy4x HD torsion bars, Indy4x HD rear axle links, Indy4x Kevlar brake lines, ARB bullbar, custom rear bumper with swing-out dual jerry can carrier, rock sliders, Sears Platinum Group 31 battery, ARB mini-compressor, Indy4x kevlar air lines, Warn M8000 winch, Blue Sea 6006 winch cutoff switch, Yaesu FT-1900R 2-meter ham radio, Larsen MHW-150C 1/2 wave antenna, Cobra 18WXST CB radio, Firestik II CB antenna, IPF driving lights, generic fog lights, two (2) Blue Sea auxiliary fuse panels, sleeping platform, and outofrshell Dave's custom 1" shifter extension. (I actually typed this list as a joke but people seem to like it.)
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Postby N law » Fri Mar 11, 2011 4:46 pm

I went to get two tanks switched out today. No questions asked at AirGas. They were awesome and it cost 12.23 per tank. I even got a pretty aluminum one.

For a regulator, I came across the HF one that has a pressure gauge and a flow gauge. Its usually 39.99 but I found coupon for $19.99. The gauge says it goes up to 315 psi...but that doesn't mean the regulator will allow even up to 150psi through it. I don't know, $20 it might be worth it to try.

If so, I'd have $35 or so in the whole thing!

http://images.harborfreight.com/hftusa/ ... ges/86.jpg
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Postby N law » Sun Mar 13, 2011 3:55 am

Works WAY better than I thought it would.

Went to HF and picked up the regulator for $20. Also got some quick connectors for $3. Went home to slap it all together and realized that the output for the regulator was 3/8" instead of 1/4". I ran back over to HF (2 miles maybe) and picked up a reducer fitting (#93964) for $.97. The male-male piece that came as the output had a pin hole on one end and a ~3/16 hole on the other. I drilled the small end to match the large and put the output back in with the reducer and quick connects.

It was awesome! I tore an extra engine down today while it was on the tailgate of my truck and it worked very well. I ran an impact and an air ratchet on and off for a few hours. Then I aired up a leaking tire.

Worked so well that when a buddy came over to help with the engine, he thought it was amazing. Since I had 3 20# tanks and 1 80#, I decided to give him a 20# and the coupon for the regulator.

For $21 (already had my hose and tank), you can't beat it!

Post pictures tomorrow
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Postby N law » Mon Mar 14, 2011 2:33 am

Image

Image

Image
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Re: CO2 tank Howto

Postby BigSwede » Tue Sep 13, 2011 11:48 am

Hey Tad, I know this was 7 years ago or so, but how did you strap down your tank? I have a 20 lb tank because they are so much cheaper to fill on a per pound basis, and got a fire extinguisher mount for it, but getting the mount bolted down tight (lateral support is the biggest challenge) was difficult at best, and I am not thrilled with the result. I am trying to decide what to do, go to a smaller tank (which are a lot more expensive to fill on a per pound basis) that might be easier to secure, or go away from CO2 altogether...or come up with a better way to carry the tank. Any thoughts would be appreciated. This is for a 95 Trooper.
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Re: CO2 tank Howto

Postby Tad » Wed Sep 14, 2011 6:44 am

I strapped mine down with short ratchet straps. With my cargo storage unit in place I only had to worry about vertical movement so it strapped to the back left corner cargo hook. Without it I had a strap that I attached to the trim under the speaker area back there with a metal backing plate. I still used the vertical strap as well. The 20lb tank is nice because it is much cheaper to fill and easier to find places that will fill it.

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Re: CO2 tank Howto

Postby BigSwede » Wed Sep 14, 2011 9:32 am

Thanks...what kind of backing plate did you use? Was it on the trim, bolted through to the structure? A pic would be swell... :)
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Re: CO2 tank Howto

Postby Tad » Wed Sep 14, 2011 12:38 pm

I used a piece of strap, just behind the trim. Better would have been to the structure, but I did run the two screws that used to hold the cargo cover through the ratchet strap with fender washers. I don't have a pic as I sold that truck. Now I use the single ratchet strap over the top and the cargo storage unit to keep it contained.

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Re: CO2 tank Howto

Postby MOZES » Sun Apr 01, 2012 3:26 pm

Could those of us who havent seen this setup get a couple of pics please??
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Re: CO2 tank Howto

Postby Selahdoor » Mon Apr 02, 2012 9:35 pm

Tad wrote:Here's a 5lb setup:
Image

The cornelius regulator:
Image

-Tad


I'd like to get an oxygen tank, and setup a regulator like that.

Maybe someday.
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Re: CO2 tank Howto

Postby BigSwede » Tue Apr 03, 2012 9:29 am

This is the regulator I got, high flow fixed pressure, and relatively cheap:

http://www.trdparts4u.com/scripts/prodV ... duct=-7165

I am thinking of downsizing the tank. The 20 lb is cheaper to fill on a per pound basis, but the tank is too big to stow easily, and too tall and heavy to easily lash down securely. Now I know why 10 lb systems are more popular. Or I may go away from CO2 altogether, haven't decided really.
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