520DB waste tank overboard discharge

Jeremygavin

Jeremygavin

Well-Known Member
Mar 6, 2012
2,054
Cape Cod, MA
Boat Info
2011 520 Sedan Bridge
2016 Sea Ray 19 SPX OB
2019 Walker Bay Generation 340
Engines
Cummins QSM11s
Mercury 150 Fourstroke
Honda 40hp
I have been crawling around the boat getting to know it as I winterize. For the life of me I can’t figure out how I would activate the waste discharge pump. The breaker is on and the sea dock is open (engaging the cut off switch). Where is the switch or panel to turn in the pump?
 
Jeremygavin said:
I have been crawling around the boat getting to know it as I winterize. For the life of me I can’t figure out how I would activate the waste discharge pump. The breaker is on and the sea dock is open (engaging the cut off switch). Where is the switch or panel to turn in the pump?
Click to expand...
Jeremy - I have a breaker and separate switch on my electric panel plus the switch under the sea cock. The first time I used mine I had to wiggle the wires on the seacock switch. I think with it being in the bottom of the bilge it is subject to corrosion.
 
As Carter stated....There should be a switch on the panel which is located on the left side of tank guage (top right on the panel)
 
Thank you. I will take a closer look today.
 
They put the seacock in such a place I never use it
It’s very difficult to open while your in open water
 
cod said:
As Carter stated....There should be a switch on the panel which is located on the left side of tank guage (top right on the panel)
Click to expand...
That did it. On my 340 that was only to check the waste level so I never tried turning it on.
 
Panel breaker should say "Macerator" or something similar. Most probably a DC breaker that operates the pump. Make sure the sea cock is open while pumping and make sure you closed it and turn off the breaker when done.
 
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