Reply
 
Thread Tools Search this Thread Display Modes
 
Old 04-16-2003, 08:19 AM   #1
4 Rivet Member
 
Jabba's Avatar
 
1955 30' Liner Commodore Vanderbilt
Wayne County , Michigan
Join Date: Sep 2002
Posts: 421
Images: 17
Acceptable propane leakdown rate?

I've soap bubbled all the connections I can on our rig and tightened any leaks I've found (there was a good one at the regulator). I read that by opening the bottles, pressurizing the system, shutting them off and monitoring the indicator gauge is another way of detecting leaks. I don't have a Manometer. The indicator will show pressure for @ 45 minutes, before showing a loss. Is this acceptable given I'm dealing with 48 year old valving? I detect no gas odors anywhere. I read that a loss of 1/2" water column over 20 minutes (when using a manometer) is acceptable. Any input on this?
__________________

__________________
Jason & Veronica J.
S.E. Michigan
1955 Commodore Vanderbilt 30'
"Hawley"
TAC Member MI-6
2008 Chevy Silverado Ext. Z71 w3.73
Jabba is offline   Reply With Quote
Old 04-17-2003, 11:09 AM   #2
Rivet Master
Airstream Dealer
 
Inland RV Center, In's Avatar
 
Corona , California
Join Date: Feb 2002
Posts: 16,499
Images: 1
Jason.
A 10 to 15 minute bleed down from a reduced pressure is acceptable.

A reduced pressure is about 7 to 8 inches of water column pressure.

That's accomplished by hooking up a manometer to a stove burner valve. Bleed some of the pressure off by opening another stover valve, down to the 7 or 8 inches. That places the system in a very sensitive area. It is this area that allows the 10 to 15 minutes.

A fully pressurized system that takes 45 minutes is probably indicating an excessive leak.

Look for a pilot light being on, but no flame. If those are off, then another area to look for is the water heater and furnace valves shutting off, 100 percent. If one of those valves leaks at all, it must be replaced. It is indicating a more severe leak in the future. When? Who knows.

LPG should be treated with more respect than dynamite. It can hurt, maim and kill, with little or no notice.

A manometer can easily be made with a section of clear plastic hose.


Andy
inlandrv.com
airstreamparts.com
airstreamcandy.com
__________________

__________________
Inland RV Center, In is offline   Reply With Quote
Old 04-17-2003, 11:31 AM   #3
4 Rivet Member
 
Jabba's Avatar
 
1955 30' Liner Commodore Vanderbilt
Wayne County , Michigan
Join Date: Sep 2002
Posts: 421
Images: 17
Thanks Andy!

Andy, Thanks for replying. I will see about making a manometer tomorrow and apply your approach. If I do detect a bleed down, what would be the easiest way to diagnose if the furnace or reefer valves are leaking by? (I have the original electric only hot water heater, how rare is that?)

Thanks Again for your help and knowledge!
__________________
Jason & Veronica J.
S.E. Michigan
1955 Commodore Vanderbilt 30'
"Hawley"
TAC Member MI-6
2008 Chevy Silverado Ext. Z71 w3.73
Jabba is offline   Reply With Quote
Old 04-17-2003, 11:53 AM   #4
Rivet Master
Airstream Dealer
 
Inland RV Center, In's Avatar
 
Corona , California
Join Date: Feb 2002
Posts: 16,499
Images: 1
Jason.
Process of elimination always works.

If you find either one to leak, prepare yourself that repair parts for those old units, don't exist.


Andy
inlandrv.com
airstreamparts.com
airstreamcandy.com
__________________
Inland RV Center, In is offline   Reply With Quote
Old 04-17-2003, 12:23 PM   #5
4 Rivet Member
 
Jabba's Avatar
 
1955 30' Liner Commodore Vanderbilt
Wayne County , Michigan
Join Date: Sep 2002
Posts: 421
Images: 17
Wish me luck!

Got my fingers crossed that there won't be valve problems especially on the stove, my wife loves it! Thanks again!
__________________
Jason & Veronica J.
S.E. Michigan
1955 Commodore Vanderbilt 30'
"Hawley"
TAC Member MI-6
2008 Chevy Silverado Ext. Z71 w3.73
Jabba is offline   Reply With Quote
Old 04-17-2003, 12:50 PM   #6
3 Rivet Member
 
JPAIRSTREAM's Avatar
 
1972 31' Sovereign
, Ohio
Join Date: Sep 2002
Posts: 229
Images: 47
I will attach forms on the proper process on LP gas checks.

LP is very dangerous and should not be taken lightly. Please test this and make the proper corrections.

This will have to be on two seperate post.
Attached Files
File Type: pdf doc.pdf (77.9 KB, 183 views)
__________________
JP
JPAIRSTREAM is offline   Reply With Quote
Old 04-17-2003, 12:51 PM   #7
3 Rivet Member
 
JPAIRSTREAM's Avatar
 
1972 31' Sovereign
, Ohio
Join Date: Sep 2002
Posts: 229
Images: 47
I will attach forms on the proper process on LP gas checks.

LP is very dangerous and should not be taken lightly. Please test this and make the proper corrections.

second of a two series post.
Attached Files
File Type: pdf doc000.pdf (29.8 KB, 101 views)
__________________
JP
JPAIRSTREAM is offline   Reply With Quote
Old 04-18-2003, 07:49 PM   #8
4 Rivet Member
 
Jabba's Avatar
 
1955 30' Liner Commodore Vanderbilt
Wayne County , Michigan
Join Date: Sep 2002
Posts: 421
Images: 17
Got it!

24 hours and still holding pressure! I pulled the grates and drip trays out of the Robert Shaw stove and found a pretty good leak where the copper line connects to the black pipe in the stove. The pipe dope had dried from the heat and started leaking. I also found the pilot (thanks for the tip Andy) and cinched down the screw that is the "valve" to control it. I think I will just cap it to be on the safe side. If she's still holding tomorrow, I'm calling it good.
__________________

__________________
Jason & Veronica J.
S.E. Michigan
1955 Commodore Vanderbilt 30'
"Hawley"
TAC Member MI-6
2008 Chevy Silverado Ext. Z71 w3.73
Jabba 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
Propane Powered EU2000i? Pick Generators & Solar Power 8 04-09-2016 07:36 AM
Propane tanks question Swingking LP Gas, Piping, Tanks & Regulators 8 10-22-2003 10:55 PM
Propane injection Rik Mechanics Corner - Engines, Transmission & More... 13 09-23-2003 11:34 AM
Propane Usage COArgosy78 On The Road... 6 02-25-2003 10:35 PM
Leave Propane Bottle Valves Open? heyskipper LP Gas, Piping, Tanks & Regulators 3 02-23-2003 09:19 PM


Virginia Campgrounds

Reviews provided by




Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 04:42 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.