Reply
 
Thread Tools Search this Thread Display Modes
 
Old 09-18-2007, 06:12 PM   #29
Rivet Master
 
bkahler's Avatar

 
1974 20' Argosy 20
Richmond , Kentucky
Join Date: Jan 2003
Posts: 6,350
Quote:
Originally Posted by jagcb750
The tank probably didn't get filled over 70 psi before the compressor finally shut itself down. I will look into it soon and will post a pick when I can get it resolved if it works. Thanks to all.
If the orifice in your check valve is to small your pump will have to work harder to pump the air into the tank. Do you know if your pump shutdown due to the pressure switch setting or from a blown fuse?

70 psi is definitely not enough, Airstream says something like 90 - 110 psi. I think my 310 manual says 100 psi.

Brad
__________________

__________________
Air forums # 1674
1974 20' Argosy Motor Home
1974 31' Excella trailer (parting out, as of 4/1/2015 I have wheels, brake drums, windows & holding tanks left to sell)
bkahler is offline   Reply With Quote
Old 09-18-2007, 08:43 PM   #30
3 Rivet Member
 
jagcb750's Avatar
 
1986 30' Airstream 300
B , Louisiana
Join Date: Aug 2007
Posts: 120
I placed a metal insert into each of the ends of tubing in which I spliced in this check valve. It was some I had bought for another check valve that I was going to install initially. These inserts keep the tubing from being pinched together. I hope it doesn't restrict the air flow too badly. The air compressor wasn't running hot. I will check it soon after I get my master cylinder back on and can disengage my hydraulic jacks. I'm afraid to screw something up right now with nancy's brake components laying about. I ended up buying several check valves. This option seemed to be the most likely fix. I plan on getting some pics together soon. Oh, also I think my pressure guage on the dash may be off a little. I used a tire pressure guage on the tank the other day and the pressure was closer to 100 psi. I will check again later.
__________________

__________________
jagcb750 is offline   Reply With Quote
Old 09-27-2007, 09:31 PM   #31
1 Rivet Member
 
1985 34.5' Airstream 345
Frisco , Texas
Join Date: Sep 2007
Posts: 9
Rebuilt air bag system on 85 345

I had similar problems as those listed here. My tank needed filling every time I started it and at the end of everynight the rig sat on the frames. I put the back end on blocks this past winter and stripped the tag axle out and gutted the suspension system. I found several age related problems that all added up to a leaky old air system. First my original firestone airbags had simply outlasted thier lifetimes. I was able to find exact replacements from Forestone however the numbers are very different due to a numbering system change. Also removed the leveler values and found that one of them had a faulty o-ring and was leaking. They are hydrolic fluid based and will not open imedeately. A fluid flow pressue must equalize for valve action and it takes 5-10 seconds. I also found that several original air line fittings had started to leak. The new push on are much more reliable and easier to work with. Thankfully teenagers have discovered air systems and the parts are readily available. My air tank was rusted badly inside from years of not draining so I replaced it with one as close in tank capacity that I could find. The single heavy cross member that the airbags rest on was removed and the two end knuckle joints had become lose and sloppy. Not wanting to spend money or time on a replacement, I cleaned the member and rebuilt the bushings with the clever use of brass shims. Now it's tight as it ever was. The electric cut off valve and pressure indicator switch was also replaced (again thanks to teenagers and airparts). All in all probably spent $600 on the parts and spent five weeks under the frame but the results are a brand new suspension unit. I put air in the new system last March and don't think I've added a pound since.

If anyone needs part numbers or suppliers, let me know and I'll hunt down the reciepts.

TXraz.
__________________
txraz is offline   Reply With Quote
Old 09-28-2007, 06:50 PM   #32
Rivet Master
 
str8strm's Avatar
 
1985 34.5' Airstream 345
Tujunga , California
Join Date: Apr 2005
Posts: 1,969
Images: 6
that information would be helpful

We have not had to do it yet but know the time is coming. If you could post part numbers and suppliers that would be great.
__________________
Ron and Debbie Lawrence
1985 345 Motorhome...... delightfully tacky......yet unrefined
AIR 7992
str8strm is offline   Reply With Quote
Old 11-02-2007, 01:23 PM   #33
2 Rivet Member
 
1988 34.5' Airstream 345
CUMMING , GA
Join Date: Jan 2007
Posts: 49
Angry Air bag compressor won't stop running with ignition on

Every time i pick up my 345 something else seems to go wrong. the alternator had to be replaced and now the levelers don't work and the air compressor runs when the ignition is on. The nags seem to stay full when it is off so I am baffled. Of course, that's not difficult. I am beginning to think my wrenching skills are not up to owning an RV, especially a 1988 airstream. Any ideas anyone? Oh yeah, the steps stopped working as well and there is an intermittent short to the instrument panels that blows periodically. I am about to give up on this unit. HAd it 10 months and still haven't been able to use it. Thinking about a complete rewire if I can find someone to do it.
__________________
wpapke is offline   Reply With Quote
Old 11-02-2007, 03:15 PM   #34
Liberator
 
klattu's Avatar
 
1972 Argosy 24
1989 34.5' Airstream 345
Heart of Dixie , Alabama
Join Date: Sep 2006
Posts: 1,646
Images: 834
I see now...
Mine drains down because the check valve leaks and when it is trying to release head pressure, it drains the tank backwards.
Must fix.
__________________
Your opinion is valued, please not your opinion of someones else's opinion.
Click To See Me Wet
1989 Airstream 345 Liberator...
1972 Argosy 24'...
1954 Feathercraft Vagabond
klattu is offline   Reply With Quote
Old 11-02-2007, 03:19 PM   #35
Rivet Master
Airstream Dealer
 
Inland RV Center, In's Avatar
 
Corona , California
Join Date: Feb 2002
Posts: 16,499
Images: 1
Quote:
Originally Posted by jagcb750
o.k. what size check valve do I need? Part # or product Id? I looked on Andy's site and couldn't find it. also looked on grainger's site and found several. Since I don't have one to match up, what does this thing look like and what size. Help.....
Our web site parts list, is a "sale list only."

We carry over 3300 different Airstream parts in stock, including that check valve.

Andy
__________________
Inland RV Center, In is offline   Reply With Quote
Old 11-09-2007, 05:39 AM   #36
2 Rivet Member
 
buckwheat's Avatar
 
1987 34.5' Airstream 345
Hendersonville , North Carolina
Join Date: Jan 2004
Posts: 88
Hey wpapke, I feel your pain. No one tells you when you buy one of these classic beauties that not only do you need to be a mechanic but also an electrician, plumber, and a carpenter with infinite patience and an obsession for tinkering. For your air bag woes, the owners manual is fairly good for the general system layout and electrical connections, but translating the diagrams to reality is usually quite the adventure. The air compressor is wired to the ignition "on" position by design, I think mostly to work in concert with the low air pressure warning indicator. If a check valve is your problem, a simple test is to fill the air tank to 90 psi using the external air fitting, located at the bottom of the tank (and if you're lucky, connected by hose to a curb side mounted tire style air stem valve). The check valve should keep the air in the tank with no more than a 10 psi drop in pressure over 24 hours unless you have leakage elsewhere (this drop is based on observation not technical specs). Mine has the check valve at the top of the tank connected to a 90 degree elbow pipe fitting that screws into the tank.
__________________
BubbleHead Fred
"Underway is the only way!"
buckwheat is offline   Reply With Quote
Old 11-11-2007, 08:45 PM   #37
2 Rivet Member
 
1988 34.5' Airstream 345
CUMMING , GA
Join Date: Jan 2007
Posts: 49
Smile RE: Air Bag Compressor

Thanks Buckwheat,

the unit is now at an rv repair in ocala, fl. hoping they can figure out why i lost the levelers, stairs, gear vendor as well the exhaust fans. air bags now seem to be fine so who knows.
__________________
wpapke is offline   Reply With Quote
Old 11-11-2007, 09:11 PM   #38
Rivet Master
 
str8strm's Avatar
 
1985 34.5' Airstream 345
Tujunga , California
Join Date: Apr 2005
Posts: 1,969
Images: 6
hydraulic levelers

are very sensitive to the fluid level. they take ATF and are a major pain to refill. Our tank is located at the back of the doghouse under a wiring loom. My husband says he will eventually cut a little access door. If you call gear vendors they can talk you thru some tests to eliminate problems---they were very helpful----we had to "bleed" our system 3 times with the drive shaft disconnect at 35 mph and got another 2000miles out of our set up but now are gonna go for a reman unit. But having a gear vendor unit is great -- we run about 600 rpm less saving wear and tear on the engine and decreasing the cabin noise. D
__________________
Ron and Debbie Lawrence
1985 345 Motorhome...... delightfully tacky......yet unrefined
AIR 7992
str8strm is offline   Reply With Quote
Old 11-11-2007, 09:56 PM   #39
2 Rivet Member
 
buckwheat's Avatar
 
1987 34.5' Airstream 345
Hendersonville , North Carolina
Join Date: Jan 2004
Posts: 88
Levelers, and stairs, and fans, oh my! (Sorry, couldn't resist, Wizard of Oz was on tonight!) Wpapke, sounds like you got 12V DC fuse or relay problems. All of these systems come off the main auto battery (except for fans that come off the 12V coach distribution system, but that system can be cross connected to the auto battery). The short in your instrument panel may be causing/caused by problems in the stairs and levelers. Maybe it's time to pull the panel and start looking. Label every wire before you disconnect it, and be aware that the indicator housings were attached to the dash panel using some sort of hot glue. The original crimped connectors and star washered nuts come loose over time, tighten everything, especially ground connections. Good luck, wish you lived closer to Cullman, AL, I'd pop over to share some beers and splice some wires!
__________________
BubbleHead Fred
"Underway is the only way!"
buckwheat is offline   Reply With Quote
Old 02-04-2008, 07:25 PM   #40
2 Rivet Member
 
1988 34.5' Airstream 345
CUMMING , GA
Join Date: Jan 2007
Posts: 49
airbag woes

Thanks to everyone for their input. Been in the hospital off and on for the last 2 months so the airstream wasn't my biggest concern. The bags won't stay up past 60 or 70 lbs when I'm driving but go up to around 85 stationary. They also bleed off when I stop over night. From what everyone says I suppose the check valve is shot. Also found everything electrical was connected to a short behind the service panel in the nose. The compressor lead had rubbed and made an intermittent short. I would have never found it but a wrench (dean) at American Pro found it and fixed it. Now he has to replace the check valve and give me a 6 gauge hotwire through a relay. Many thansk for all the suggestions.
__________________
wpapke is offline   Reply With Quote
Old 02-11-2008, 09:17 PM   #41
2 Rivet Member
 
1988 34.5' Airstream 345
CUMMING , GA
Join Date: Jan 2007
Posts: 49
Unhappy re: airbag woes

Hope someone has a solution. When I crank the beast (345) it builds up airpressure to the end of the solid green line. When i drive it the pressure goes down to around 60 or 70. When it sits up overnight it loses all pressure. Is it the check valve? I've had new bags installed and will be having the compressor rewired with a 6 gauge wire and relay. HELP! need to get on the road!
__________________
wpapke is offline   Reply With Quote
Old 02-11-2008, 09:22 PM   #42
Rivet Master
Airstream Dealer
 
Inland RV Center, In's Avatar
 
Corona , California
Join Date: Feb 2002
Posts: 16,499
Images: 1
Quote:
Originally Posted by wpapke
Hope someone has a solution. When I crank the beast (345) it builds up airpressure to the end of the solid green line. When i drive it the pressure goes down to around 60 or 70. When it sits up overnight it loses all pressure. Is it the check valve? I've had new bags installed and will be having the compressor rewired with a 6 gauge wire and relay. HELP! need to get on the road!

The check valve is gone.

andy
__________________

__________________
Inland RV Center, In is offline   Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Experiences with Carrier Air V installation? Sojourner Furnaces, Heaters, Fireplaces & Air Conditioning 10 04-29-2009 08:52 AM
Forced Air furnace Joan D'Andrea Furnaces, Heaters, Fireplaces & Air Conditioning 16 11-02-2002 10:41 PM
Duo Therm Brisk Air JAG Furnaces, Heaters, Fireplaces & Air Conditioning 6 06-06-2002 09:29 PM
Ram air Kit rdm Mechanics Corner - Engines, Transmission & More... 0 05-12-2002 10:04 AM
Charging System drmmlien Electrical - Systems, Generators, Batteries & Solar 3 05-09-2002 02:53 PM


Virginia Campgrounds

Reviews provided by




Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 12:10 PM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.

Airstream is a registered trademark of Airstream Inc. All rights reserved. Airstream trademark used under license to Social Knowledge LLC.