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05-16-2013, 06:57 PM
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#1
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Senior Member
Join Date: Apr 2013
Location: Columbia, Missouri
Posts: 197
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Backseat the valves on your gas bottles
I learned this the hard way by having a bottle leak from full to empty in about 3 days. I posted it on the Sunline Forum a while back. Many did not know this.
When placing your gas bottles on line. Open the valves fully and give them a light nudge when fully open. There is a backseat on those valves that seals the stem when the valve is open.
Don't just open them part way. Don't crank them hard onto the backseat either, just snug them in the full open position.
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05-16-2013, 07:06 PM
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#2
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Senior Member
Join Date: Nov 2011
Location: SoCal
Posts: 1,739
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I'm feeling extra dense tonight…
If I open the valve all the way, what's the nudge? Back it off just a bit?
And how did your bottle leak? It wasn't connected so it leaked out to open air?
__________________
-Scott, DW, DG, DB, and DD
2011 Passport 2590BH
2009 Ford F150 SuperCrew F X4 5.4L w/Max Tow
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05-16-2013, 07:13 PM
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#3
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Senior Member
Join Date: Apr 2013
Location: Columbia, Missouri
Posts: 197
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Quote:
Originally Posted by f6bits
I'm feeling extra dense tonight…
If I open the valve all the way, what's the nudge? Back it off just a bit?
And how did your bottle leak? It wasn't connected so it leaked out to open air?
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Just tighten it a bit on the back seat. Yes, my bottles were connected. The gas leaked past the stem and out the stem opening under the handwheel. The backseat seals that stem opening.
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05-16-2013, 07:56 PM
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#4
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Senior Member
Join Date: Apr 2013
Location: Columbia, Missouri
Posts: 197
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05-17-2013, 04:46 AM
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#5
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Permanent User Ban
Join Date: Apr 2013
Location: Imperial Dam LTVA (Yuma, AZ)
Posts: 258
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He means open the valve fully, then turn it a little more in the same direction---"tightening it open" in the same sense a valve is often tightened closed.
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05-17-2013, 05:19 AM
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#6
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Senior Member
Join Date: Apr 2013
Location: Columbia, Missouri
Posts: 197
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Quote:
Originally Posted by diugo
He means open the valve fully, then turn it a little more in the same direction---"tightening it open" in the same sense a valve is often tightened closed.
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Yeah, and I was trying to chose my words carefully. Both the backseat and closed seat of the valve can be damaged if torqued too tightly.
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05-17-2013, 06:37 AM
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#7
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Permanent User Ban
Join Date: Apr 2013
Location: Imperial Dam LTVA (Yuma, AZ)
Posts: 258
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The funny thing is, almost everyone makes sure to tighten these valves closed on empty tanks---when there's no real reason to do so---but almost no one tightens them open, which is much more important.
Before I learned this several years back, I often smelled a small amount of propane in the storage compartment, which I simply attributed to normal vent operation. With the valve tightened open, no more odor.
Thanks for your post!
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05-27-2013, 10:45 AM
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#8
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Senior Member
Join Date: Sep 2012
Location: Airdrie, Alberta
Posts: 552
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Great tip; thank you!!
__________________
2013 Passport 3220BHWE, upgrade axles, Kumho Radial 857's, all LED, TST507 TPMS, Reese DCSC, DIY corner stabilizers
2012 Ram 1500 Sport crew cab, Hemi, 4x4, 3.92 LSD, factory brake controller, S&B CAI w/scoop, Moroso air/oil can, 87mm ported/polished/knife-edged throttle body, Magnaflow exhaust, 180* t-stat, Rear lowered 2", Airlift 1000.
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05-27-2013, 02:03 PM
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#9
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Senior Member
Join Date: Nov 2011
Location: SoCal
Posts: 1,739
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Ah, tighten them open. I've not been doing that. Now I will.
__________________
-Scott, DW, DG, DB, and DD
2011 Passport 2590BH
2009 Ford F150 SuperCrew F X4 5.4L w/Max Tow
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