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Old 07-12-2015, 07:02 AM   #71
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The story of the Airstream 310 Jacket

http://www.engineeringtoolbox.com/ga...eet-d_915.html

For what it's worth, here's a chart with dimensions for various metals. Hope it's some help!

Essentially a 3" 14ga tubing section would be 2.83" ID (which should accommodate the 2-3/4" need).

-Bill
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Old 07-17-2015, 06:06 PM   #72
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the $18 fix.
Bought 8' 15 gauge Galvanized fence post. The 2 3/8 OD just barely made it past bend section of the old awning tube. I had to beat it hard to go in there. Riveted it to the old tube and now I have the strongest 22' Awning I have ever seen. Got a slight wobble, but so what. Next project
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Old 07-17-2015, 06:52 PM   #73
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Nothing like getting a little creative

Looks good!
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Old 07-18-2015, 11:01 PM   #74
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Peter... You PROMISED I could use a hammer!!!! And you didn't call!!!

Hahah. Probably very smart!!!
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Old 07-19-2015, 05:17 PM   #75
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Peter... You PROMISED I could use a hammer!!!! And you didn't call!!!

Hahah. Probably very smart!!!
Careful what you wish for, Channing

This is what I found under my couch, accessible by 2 doors on the outside:
4 , I repeat four leveling jacks. Thats what I suppose they are, or they even could be used as a Jack to change a tire. says max 7500 pounds.
But why 4. The most I can ever imagine to level a rig would be using 2.
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Old 07-28-2015, 07:45 PM   #76
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Air compressor installation help, please

This 310 came without an air compressor, bags are new and holding air.
I was looking the Viair 450C IG that Dan recommended, but after looking at the specs I would have to run 25 feet of 6 gauge wire from the battery.
The Viair 250C IG would only require 10 gauge wire for up to 30'. I think that unit should be sufficient.
This is all what is left from the old system:
A Fumas pressure control switch and 12 Volt wire (ignition on)
Can I use that kind of pressure control switch with the new compressor and what kind of Relay should I use?
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Old 07-28-2015, 07:55 PM   #77
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Quote:
Originally Posted by PeterH-Airstreamer View Post
This 310 came without an air compressor, bags are new and holding air.
I was looking the Viair 450C IG that Dan recommended, but after looking at the specs I would have to run 25 feet of 6 gauge wire from the battery.
The Viair 250C IG would only require 10 gauge wire for up to 30'. I think that unit should be sufficient.
This is all what is left from the old system:
A Fumas pressure control switch and 12 Volt wire (ignition on)
Can I use that kind of pressure control switch with the new compressor and what kind of Relay should I use?
There should be nothing wrong with using the existing pressure switch.

This is the style of relay I used on the 310 when I made the compressor wiring changes. Adding that 25' of 10 gauge wire from the chassis battery to the air compressor along with the relay was probably the single best and cheapest suspension improvement that I made to the 310.
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Old 07-28-2015, 08:13 PM   #78
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Quote:
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There should be nothing wrong with using the existing pressure switch.

This is the style of relay I used on the 310 when I made the compressor wiring changes. Adding that 25' of 10 gauge wire from the chassis battery to the air compressor along with the relay was probably the single best and cheapest suspension improvement that I made to the 310.
Thanks, Brad.
Just to make sure I understand: Relay activated by ignition sends power from battery to pressure switch?
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Old 07-28-2015, 08:16 PM   #79
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Yes. The relay will carry the heavy current. The relay is controlled by the "pressure switch".

I would not hesitate running a heavier gauge wire as you will have a more reliable and durable setup. Also, if you find "need" for 12vdc in that area you will have the power there!

Get a "Blue Sea" distribution box.
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Old 07-28-2015, 08:33 PM   #80
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Thanks, Brad.
Just to make sure I understand: Relay activated by ignition sends power from battery to pressure switch?
You got it. What I did on the 310 was used the yellow from the fuse block to drive the relay.

I mounted the relay right next to the compressor in the electrical compartment. Made things easy.
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Old 07-29-2015, 03:35 AM   #81
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Viair makes a combination relay/pressure switch 85/105 that I used when I replaced my compressor with the viair 400c (i believe). Ran #8 stranded to the battery and used the existing wire to operate the relay. If you come straight back towards the rear and then cross over to your compressor youre gonna need 30ft of wire. I almost bought 25' but added an extra 5' last minute. Glad I did. Have had 0 problems with the Viair pressure switch/relay combo or the compressor. I added a port to hook a quick coupler for an air hose also. It has come in handy on the road to air up the front air bags or top off a tire. Good luck with your install.

Mike
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Old 07-29-2015, 03:38 AM   #82
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Dont forget to put an inline fuse in the wire run to the battery. I used a 30amp circuit breaker right next to the compressor.
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Old 07-29-2015, 03:47 AM   #83
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Also, I mounted the compressor, relay/pressure sw, and circuit breaker all on a piece of 1x6 treated wood so I can undo the ground wire and pull the whole unit out from the compartment in one piece. Its so tight in that space it would have been impossible to do any maintenance on the unit if I had mounted to the floor/bottom of the compartment. The compressor does have an intake air filter so it will require changing at some point during routine maintenance. Ok, I will shut up now.

Mike
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Old 07-29-2015, 05:00 AM   #84
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Thanks Mike. Really helps to have every ones input!
The original, non existing compressor was mounted in the cord reel compartment in the drivers side rear.
To keep the compressor dry, I want to mount it under my rear bed, where I have lots of room and it would keep it dry and clean.
I may run a #8 and install a small new distribution box as Channing suggested.
30' for the 450C would have required a #6.
Did you install an inline pressure gauge?
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