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Old 10-25-2015, 03:10 AM   #1
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Draining/purging the air tanks

Hey folks,

I have three lanyards to pull to drain the tanks. Am I supposed to pull one at a time or all three at once?

Thanks,
Ed
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Old 10-25-2015, 07:04 AM   #2
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I usually do one at a time.
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Old 10-26-2015, 07:35 AM   #3
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They are to drain 3 separate individual tanks the sequence in which you pull them is not important, only that you do pull them.
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Old 10-29-2015, 11:26 AM   #4
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I attended a training session at Spartan a few years ago and they covered the lanyard procedures. Based on the discussion, I prepared a summary of the steps for myself. Here it is:

Start engine and wait until chassis is fully aired up (about 130 psi) then turn engine OFF, but leave ignition switch ON so gauges are powered.

1. Pull SILVER lanyard (wet tank) there should be no significant moisture and neither of the gauges should change.

2. Pull GREEN lanyard (primary tank rear air) there should be no significant moisture and one gauge should go to zero.

3. Pull RED lanyard (secondary tank front air) -- there should be no significant moisture and both gauges should now be at zero.

Note: Pull each lanyard until the tank is empty (i.e., the hissing stops)
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Old 11-03-2015, 11:03 AM   #5
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I have a 2004 Newmar 4011 DSDP/Spartan. Does anyone know if I have air tank bleed ropes? I have never seen any handles. I do see the air tanks dump automatically from the air gages on the dash and an audible warning that they are dump while driving, but I have not seen manual methods.

Thanks
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Old 11-03-2015, 02:05 PM   #6
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Quote:
Originally Posted by vapor3000 View Post
I have a 2004 Newmar 4011 DSDP/Spartan. Does anyone know if I have air tank bleed ropes? I have never seen any handles. I do see the air tanks dump automatically from the air gages on the dash and an audible warning that they are dump while driving, but I have not seen manual methods.

Thanks
If you don't see the three lanyards referenced above, you likely have the Auto Drain Valves. Attached is another irv2 thread that discusses the same topic.

Drain air tank ?
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Old 11-03-2015, 02:17 PM   #7
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One thing that should be mentioned in this discussion is replacing the Air Dryer Cartridge. This should be done at least every two years. If the dryer is maintained properly, chances are you will never see any moisture in the rest of the system.

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Old 12-11-2015, 07:31 AM   #8
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have not found mine yet, 2011 spartin MMT 400 cummings
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Old 12-11-2015, 08:06 AM   #9
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Some have lanyards saddled to the front wall of the forward storage bins
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Old 12-11-2015, 10:49 PM   #10
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Per the Spartan owners manual, even if you have automatic tank drains, you should pull the cables/lanyards per schedule.
Mine are immediately forward of LF wheel attached to bottom of frame.

If you get ANY water out of primary or secondary tanks, you may have water in your brake chambers - not good. The prevention for this is in dennis45, post #7, and following the manual drain procedure in the owners manual, automatic stuff seems to fail at some point.
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