Pumpout question

remorgan

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exMember
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Feb 10, 2021
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2834
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I have a 76 Trojan 30' Sportfisher. The head was installed by the previous owner. He connected the discharge hose of the holding tank directly to the massarator pump then the pump to the selector valve. The pump will not run and the tank is full. My question is, will a pump out station pull through the pump impellers and suck out the holding tank? I'M fearfull that it will not and now I will have to figure out a way to empty the tank. Help Please!!!
 
Rut-Roo! I suspect your concerns may be valid but if I were you I'd try the pump-out first. Sooner or later you need to change that set-up!
 
try but i doubt it will pump out thru the pump. that's one dumb set up, so you need to run the macerator in order to pump out ??

try checkign why the pump won't run first. is it getting power ? what kind of pump?

if the pump is above the tank, you should be able to remove it without making a mess and just put a fitting in its place. but of course if he put the pump before the valve, he probably put in low as well

otherwise... yuck !
 
When you mention a "selector valve," what are the options? Are the settings for OFF/CLOSED and OVERBOARD? Maybe turning the valve gives you a setting for a pumpout without trying to suck out the tanks contents thru the macerator. Just a thought . . . .
 
..not if the pump is before teh valve ! everything has to go thru the pump first...
 
The tank is very accesable so I was thinking of disconnecting the input hose from the choker valve and maybe running a hose from that opening to a pump out hose. Do you think that will work. And yes as soon as I get it drained and cleaned up I will re plumb the thing correctly.
 
you cant pump out from the inlet fitting as that will usually be at the top of the tank, you'd need a dip tube in the tank to get to the bottom :-(

the only solution might be to open the access plate or the tank level cover if you have one, and put a dip tube (piece of PVC) connected to the pump out hose.

nasty job...

have you tried to power the macerator bypassing the wiring and switch ? you might get lucky.
 
Pascal is right on the money (as usual). His last suggestion sounds like the only procedure you can use that will work - but as he said, it's not a pleasant job.
 
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