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M380 (Unique Issues) If you have a unique issue with your M380 model coach and it can't be answered in one of the other forums here, then this is where you can list it.....list your M380 Parts here too.

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  #11  
Old 3 Weeks Ago
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NoGas NoGas is offline
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Needs for a baby pump may differ, especially if your coach spends most of its time sucking juice through a shore cord. However, installing and using a simple On/Off switch for the 12v compressor increases the pumps reliability (due to lower operating pressures), minimizes run time (<1 min when it does run) and reduces electrical draw - all important in the boondocks. The M380 120v compressor runs just fine off the inverter, but it uses some serious amps and it runs longer to fill the whole coach system to its higher pressure. Neither my toilet nor the dump valves use air (and I like it that way ). Sadly, soapy water and finding bubbles become second nature to most coach owners.

Jerry: pictures probably won’t do much good because DonB thinks my “air bay” was redone at some time in the past. Unfortunately, whoever did the work installed one of the very important check valves backwards . The moral of that story is reinstalling parts using the original installation as a guide isn’t always the best “policy”. As a general rule it’s always better to have the diagrams and understand how the system is supposed to work, then compare that to what you had (if it was working correctly). My air setup originally leaked air like a sieve. To solve those leaks I replaced every 1st gen shark bite connector with old fashioned furl/nut style fittings and added a ball valve to isolate the aux air tank from the rest of the coach. Others will confirm that the aux air tank fittings almost always leak and need some re-gooping. Like others, system retains air for a long time now. Now run my slide seals at 15-20 psi.
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  #12  
Old 3 Weeks Ago
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I understand the need for air when you have slide seals or need it for toilet operation, but without slides or air toilet, why maintain air just for dump valves? Wouldn't it be easier to just convert the dump valves to electric and get rid of the air? Or is there a downside to the electric dump valves? Because I'm thinking of doing just that.
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  #13  
Old 3 Weeks Ago
Jim Brookshire Jim Brookshire is offline
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If you have access to them, manual dump valves actually work very well. We had them on the M 380 and they were fine.
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  #14  
Old 3 Weeks Ago
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Quote:
Originally Posted by SNOWBIRD View Post
I understand the need for air when you have slide seals or need it for toilet operation, but without slides or air toilet, why maintain air just for dump valves? Wouldn't it be easier to just convert the dump valves to electric and get rid of the air? Or is there a downside to the electric dump valves? Because I'm thinking of doing just that.
You don't even have to do that. My bus and I know many others came with an aluminum "pry bar" for the dump valves. I have been parked for long periods of time, all air gone, gone out to dump tanks and just taken my "pry bar" out and raised the valve handle to open up the tank. Once dumped you can just push it down by hand to close it until the next time. No need for any air whatsoever. Also no need to switch it out from air to manual. Has worked for me for 10 years. I can take a pic of the tool if needed.
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  #15  
Old 3 Weeks Ago
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Ed Wimberley Ed Wimberley is offline
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Sky
12 years ago I converted the 82 to electric dump valves and also installed macerator pump. Also purchased a spare for just in case.
ONLY issue ever had was a piece of wood got jammed in pump.
Somebody "What's Her Name" let a small piece fall into rank when we removed wood floor in bath and replaced with tile.
Valves never had an issue.
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  #16  
Old 3 Weeks Ago
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Randy Dupree Randy Dupree is offline
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Quote:
Originally Posted by SNOWBIRD View Post
I understand the need for air when you have slide seals or need it for toilet operation, but without slides or air toilet, why maintain air just for dump valves? Wouldn't it be easier to just convert the dump valves to electric and get rid of the air? Or is there a downside to the electric dump valves? Because I'm thinking of doing just that.
I have a new set of the electric dump valves,if you want a set cheap.
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  #17  
Old 3 Weeks Ago
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Quote:
Originally Posted by Randy Dupree View Post
I have a new set of the electric dump valves,if you want a set cheap.

Are they Barker valves?
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  #18  
Old 3 Weeks Ago
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Randy Dupree Randy Dupree is offline
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Quote:
Originally Posted by SNOWBIRD View Post
Are they Barker valves?
Drain master i think,who ever that was.
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  #19  
Old 3 Weeks Ago
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Quote:
Originally Posted by Randy Dupree View Post
Drain master i think,who ever that was.
I think I like the Barker because you can open them manually. The Drain Master looks like a whole new valve and not just an operator.
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  #20  
Old 1 Week Ago
Craigterrie Craigterrie is offline
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I have a 2003 LX coach and like many others have air leaks. My 12v pump died, so I ordered and installed a Thomas compressor. The new compressor is giving trouble. I’ve tried to activate the 120v compressor but can’t find a switch that turns it on. Anyone have ideas on this conundrum?
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