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Old 03-24-2022, 03:49 PM   #1
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Rust Cupcake with Frosting - Air Bleeder?

I heard a sound that turned out to be the air purge, or air bleeder value leaking.
I pressed on the little pin as the instructions state that are in the casting "To Make This Leak Worse Press Here". The rest of the air now gleefully returning to the mother ship, I wondered if I misunderstood the purpose of the valve, maybe it is supposed to dump all your air with the press of a button?

I removed the cover if the valve and it looked as the title describes. Full of fine rust. I did 2 things, cleaned this old unit up and ordered a new one.

I would like to pressurized the air tank to see if this fix will hold. Can I start the engine with jacks down, slides out?
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Old 03-24-2022, 04:35 PM   #2
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What year / model?

Our 2015 Seneca can... but I cant speak about the later models.
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Old 03-24-2022, 06:33 PM   #3
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What year / model?

Our 2015 Seneca can... but I cant speak about the later models.
2014 seneca 37 FS.
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Old 03-24-2022, 08:39 PM   #4
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2014 seneca 37 FS.
Yes, you can start the engine. The Bigfoot panel will express its displeasure but it won't hurt a thing.
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Old 03-24-2022, 08:52 PM   #5
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Yes, you can start the engine. The Bigfoot panel will express its displeasure but it won't hurt a thing.

Ok, thank you, will crank on it in the morning.

BTW. Do you know if the Big Foot has an air dump capability for the rear air bags?
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Old 03-24-2022, 09:29 PM   #6
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Ok, thank you, will crank on it in the morning.

BTW. Do you know if the Big Foot has an air dump capability for the rear air bags?
Yes. You may have noticed an "Air Dump" light on your panel. Our Bigfoot control box (which is not the panel but a separate component) has an extra wire that can be connected to air dump solenoid valves. Then you program the Bigfoot panel to include the air dump delay into the operation of the levelers.

Here is a thread about my air dump installation.
https://www.jaycoowners.com/forums/f...ves-58963.html

And I will also attach the Bigfoot instructions for programming the panel after the installation of dump valves. The programming is on page 13.
Attached Files
File Type: pdf Bigfoot Manual - Air Dump Programming.pdf (3.81 MB, 1 views)
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Old 03-24-2022, 10:53 PM   #7
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The only issue with starting the engine and airing the system up will be if you dumped the rear air bags before you leveled it. Airing up the bags could lift the rear jacks off the ground and putting the unit off level. Before I installed the bag dump feature I used to lift the rear of the coach until the air released from the bags. This allowed the rear to drop several inches. I then used the jacks to level. Upon starting the engine and looking at the jacks I found them to be off the ground by an inch or two.
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