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 > Automatic Changeover Regulator not changing over

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2oldman

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Posted: 07/13/21 04:24pm Link  |  Quote  |  Print  |  Notify Moderator

time2roll wrote:

Otherwise yes I would replace the dual input regulator.
x2

Old-Biscuit

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Posted: 07/13/21 06:25pm Link  |  Quote  |  Print  |  Notify Moderator

RKW wrote:

Thanks to those who chimed in on this thread. The comments are appreciated.

I did some more research and discovered that some pigtails, specifically those with the green knobs and sold by Camco, have a device located at the green knob that prevents a sudden large flow of gas in case of a broken gas line. LINK. It looks like mine is said Camco pigtail. I ordered a new pigtail and will replace the driver-side one. I'll post the results after I do this.


All ACME Nuts (Red/Green/Black----color just indicates Flow Ratings)) on pigtail have an 'Excess Flow Device' ...trips if flow downstream increases (leak)
But can also trip if the cylinder OPD valve is Opened too fast....close OPD/Wait 39 seconds/Open SLOWLY


Did you check that 30# Regulator on cross over line???


Is it time for your medication or mine?


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RKW

Four Corners, New Mexico

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Posted: 07/13/21 06:40pm Link  |  Quote  |  Print  |  Notify Moderator

Old-Biscuit wrote:

RKW wrote:

Thanks to those who chimed in on this thread. The comments are appreciated.

I did some more research and discovered that some pigtails, specifically those with the green knobs and sold by Camco, have a device located at the green knob that prevents a sudden large flow of gas in case of a broken gas line. LINK. It looks like mine is said Camco pigtail. I ordered a new pigtail and will replace the driver-side one. I'll post the results after I do this.


All ACME Nuts (Red/Green/Black----color just indicates Flow Ratings)) on pigtail have an 'Excess Flow Device' ...trips if flow downstream increases (leak)
But can also trip if the cylinder OPD valve is Opened too fast....close OPD/Wait 39 seconds/Open SLOWLY


Did you check that 30# Regulator on cross over line???


I've done the slow opening on the tanks dozens of times while troubleshooting the problem.

As far as the 30# Regulator, are you talking about the device located in the bay of the driver-side tank bay? I just noticed it last night. If replacing the pigtail doesn't solve the problem, I'll look at that next.


Ryan

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  • Old-Biscuit

    Verde Valley

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    Posted: 07/13/21 07:01pm Link  |  Quote  |  Print  |  Notify Moderator

    Yes...that is the 30# LP Regulator
    They FAIL....no flow across to other side

    RKW

    Four Corners, New Mexico

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    Posted: 07/30/21 01:01pm Link  |  Quote  |  Print  |  Notify Moderator

    Original OP here with a few updates. I changed the pigtail on the street-side. Problem still there. I changed the small, red, regulator in the street-side bay. Problem still there. I will replace the main, curb-side, auto-changeover regulator next.

    "I told ya so's" are in order here from some in this thread.

    Here is my lessons learned:

    1) Apparently many techs say it's a good idea to change your main regulator out every 7 years or so. Mine is 7 years old. For that reason alone I should have disregarded what my troubleshooting efforts were telling me and just replaced it.

    2) Because I was never able to see green flags from the street-side cylinder I assumed that the gas was not making it to the curb-side regulator (which is why I changed out the parts I did). Well guess what? That's one of the symptoms of a bad regulator.

    Anyway, I'm out a few bucks and time, which I have an abundance of. I'll post back after I replace the regulator. Again, thanks for the replies.

    * This post was edited 07/30/21 01:49pm by RKW *

    RKW

    Four Corners, New Mexico

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    Posted: 08/27/21 05:15pm Link  |  Quote  |  Print  |  Notify Moderator

    Replaced the old regulator valve out with a new one and I still have the same problem! I've changed out everything but the hose that runs from the street side to the curb side. You know the one that runs through the front compartment where the electric jacks are.

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