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Old 05-06-2016, 05:26 PM   #41
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In fact, the more I think about it, 3 minutes means nothing. Who comes up with this stuff?

That's like saying it would be normal for propane to take 3 minutes to get to your grill or stove. If I had to wait 3 minutes to light my stove, I would have blown myself up my now just from boredom.

You should see a pressure drop or not pretty quickly, less than a minute. But then it should be steady.
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Old 05-06-2016, 07:15 PM   #42
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Yes. That's what I meant. I have mine in a locker under the seat on the flybridge. Room for three bottles, with solenoid and pressure gauge.

Though most sail boats I've seen just have them stored on deck someplace.
I occasionally do my Marine Survey 101 talks for yacht clubs, power squadron etc. One of the things I bring along is an unused 3-pack of those small bottles .... all of them empty. Thankfully they were kept in my ABYC compliant propane locker.
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Old 05-06-2016, 09:18 PM   #43
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It says, if ANY leakage is noted within 3 minutes there is a problem. Technically, there should be no leak whatsoever. So if the gauge starts to drop after 3 minutes that means it's ok? Not for me. It's still a leak, just less of a leak. I wouldn't be satisfied with any level of leak. I know that around here, when testing new piping in a house, the system is pressurized and left overnight and ANY drop noted the next day means a leak has to be found and fixed.

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Old 05-07-2016, 12:20 AM   #44
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In fact, the more I think about it, 3 minutes means nothing. Who comes up with this stuff?
ABYC comes up with it.

Quote:
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You should see a pressure drop or not pretty quickly, less than a minute. But then it should be steady.
I rechecked. I start to get a pressure drop before 3 minutes. Therefore I fail the ABYC standard. Not that the standard is written on stone tablets, but it is created by experienced folks who are a lot smarter than I. So if I don't meet that minimum standard, then I should do something.

Next step is trying to identify the location of the leak. If I had to guess it would be at the stove. If it isn't at the stove, nor that the solenoid, then I have a bigger problem than I had hoped.
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Old 05-07-2016, 07:28 AM   #45
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"Run another properly protected line from your already properly installed propane locker."

When purchasing a USCG labeled propane hose at the Hyd shop , ask if you can take a long discarded large hyd hose.

Run your hyd hose with the propane line inside.

IMPERVIOUS to anchors or shifting tool boxes! and usually free.
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Old 05-07-2016, 08:07 AM   #46
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You should always turn off the propane solenoid when you are not using propane because the solenoid is cooled by the flowing gas. The solenoid itself is oil-filled for cooling but forgetting to shut off can cause the unit to overheat and fail, they are expensive and a nuisance to replace. I installed a light over the stove as a telltale to remind me.
I've installed and worked in quite a few gas solenoids and never noticed nor seen any evidence of that.

Where is the oil supposedly contained, around the coil?
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Old 05-15-2016, 07:17 PM   #47
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A follow up on my OP. After spending some time figuring out what the system does etc., there is a switch in the galley to shut off the gas up top on that lock out. There seemed to be a drain in the system as the gauge would go from 100psi to 0 overnight with everything closed. So today I went to Home Depot and for $25 got a hand held gas sniffer. I went around all the fittings, tank and lines that are exposed and with gas off found nothing. Opened the tank and did it again. This time I found a small leak at the fabric coated line between the lock off and the regulator at the fitting. It goes yellow on the sniffer and even red once or twice but would not stay there. I went back and found it 3 times so its not an anomaly. I had to have the sniffer in just the right place but its there. I could not detect it with my nose however and I have a good nose. For $25 I think the sniffer is a great buy. Will be replacing that line now.
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Old 05-15-2016, 08:06 PM   #48
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Great find! That's a cheap boat tool that perhaps should be on all propane boats. Can you post a link to your model?
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Old 05-15-2016, 08:38 PM   #49
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BrassCraft Gas Leak Detector for Natural, Liquid Propane, Butane and Methane Gas Detection-BCGLD01 X6 - The Home Depot


This one.
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Old 05-15-2016, 09:08 PM   #50
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Thanks!
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Old 05-16-2016, 07:00 AM   #51
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"For $25 I think the sniffer is a great buy"

Some Joy in a cup of water and a paint brush is probably on board already.

When you find a leak send $12.50 to ............
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Old 05-16-2016, 11:55 AM   #52
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"For $25 I think the sniffer is a great buy"

Some Joy in a cup of water and a paint brush is probably on board already.

When you find a leak send $12.50 to ............
In fact like most I do have those on hand, however I don't feel that I wasted my money on the sniffer.
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Old 05-16-2016, 12:00 PM   #53
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"For $25 I think the sniffer is a great buy"

Some Joy in a cup of water and a paint brush is probably on board already.

When you find a leak send $12.50 to ............
There can be very small leaks on the back side of a hose or fitting that you can't see with that method. I know you will simply say to look at all sides of a fitting, but we all know there are some places in a boat where that is impossible even with inspection mirrors.
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Old 05-16-2016, 01:15 PM   #54
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For most boats there are usually only 1 or two propane users.

The range and perhaps a propane reefer.

Its not like electric goodies where there may be 200 connections burried someplace..

And one connection is outside in the bright sunshine!

YRMV
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Old 05-16-2016, 01:24 PM   #55
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For most boats there are usually only 1 or two propane users.

The range and perhaps a propane reefer.

Its not like electric goodies where there may be 200 connections burried someplace..

And one connection is outside in the bright sunshine!

YRMV
Good point.
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Old 06-05-2016, 11:22 PM   #56
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Another update. The faulty line was replaced and then all tested. Fail. It still leaked, just less. So I had the guys who made the line come over, found a couple more leaks with their high tech sniffer and pink fluid. One in the old regulator and another at the shutoff valve under the stove lid. Admittedly my little sniffer didn't find these leaks. So a week later he and another guy come by and replace all of that with new and all appears well. Almost. About two hours after they left we lost about 5 PSI. Overnight we lost another 20, then over the next 24 hours it lost just another 4psi! Now that seems kind of strange or perhaps as the pressure drops there is less push to get out. Beats me. I will be calling the guys back tomorrow. I asked the PO if anyone ever used any of the systems on the boat, like on an overnight cruise or something?? Never replied Boat was more neglected than I thought.
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Old 06-06-2016, 07:16 AM   #57
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For folks installing a propane range , remember propane is made from oil and will still have some in it.

To make the appliance run better it is common to install a T with a 6 inch piece of pipe or tubing pointing down.

This works as an oil or dirt trap , and might need to be cleaned every few years.

Just for cooking a 20# should go a few months 2 or 3.

The gas reefer folks will go thru a 20# every month or so .

The reefer folks would need to check the down leg annually with a US propane source , more often for refills outside the USA.
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