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10-22-2018, 11:48 AM
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#1
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Ensign
Join Date: Aug 2018
Posts: 10
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Just purchased 03 scr 2500
Hi, I’m new to Maxum boats. And new to the forum. I winterized my SCR today. I haven’t used the head since I bought it. Boat is out of the water on trailer. Now. When I push button to flush. Nothing happens. I’m only on the primary battery. Secondary won’t hold charge. Do I need both to operate head? Holding tank could be full, where is the level indicator? What am I missing? Any help is greatly appreciated
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10-22-2018, 12:29 PM
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#2
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Admiral
Join Date: Feb 2012
Location: Essex, Maryland
Posts: 10,606
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Welcome Aboard
Since you said push the button I am assuming it's either an electric flush or vac flush. Does the fresh water tank have water or antifreeze in it? There is no factory indicator on the holding tank just a visual by looking at the tank.
If you are winterizing it the holding tank should be emptied as well as the fresh water tank and antifreeze ran through both systems.
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1997 Silverton 362, 7.4 Crusaders
1997 2400 SCR, 5.7 Vortec / Bravo 2
Mike
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10-22-2018, 12:45 PM
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#3
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Ensign
Join Date: Aug 2018
Posts: 10
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Yes it’s electric but not sure if it’s vacuflush or not. The water pickup is fresh water from under boat but it’s on trailer. Right now I do have antifreeze in fresh water tank but to my knowledge it’s not plumbed there. I’m curious if I’m overlooking a simple circuit safety that would make the button not work. (Full tank, no water detected, blown fuse, valve closed, specific switch or breaker not on, both batteries needed, etc). Currently my second battery is not holding a charge but if I’m on shore power with battery charger on. It should compensate for that....no?
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10-22-2018, 01:08 PM
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#4
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Captain
Join Date: Dec 2015
Location: Florida
Posts: 522
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If an electric head was installed, it should have a fuse or breaker in the power lead. On aftermarket installations, this power wire is fairly hefty gauge, so most installers would run this wire directly back to the battery and use an in-line fuse close to the battery.
No safety mechanism, but a low battery issue isn't helping to isolate the issue.
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10-22-2018, 02:53 PM
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#5
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Admiral
Join Date: Feb 2012
Location: Essex, Maryland
Posts: 10,606
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Quote:
Originally Posted by twin533
Yes it’s electric but not sure if it’s vacuflush or not. The water pickup is fresh water from under boat but it’s on trailer. Right now I do have antifreeze in fresh water tank but to my knowledge it’s not plumbed there. I’m curious if I’m overlooking a simple circuit safety that would make the button not work. (Full tank, no water detected, blown fuse, valve closed, specific switch or breaker not on, both batteries needed, etc). Currently my second battery is not holding a charge but if I’m on shore power with battery charger on. It should compensate for that....no?
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If the water source is from a thru hull under the boat then it's an electric flush that uses raw water; if on the trailer there is no water to draw from and it won't function.
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1997 Silverton 362, 7.4 Crusaders
1997 2400 SCR, 5.7 Vortec / Bravo 2
Mike
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10-22-2018, 03:06 PM
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#6
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Ensign
Join Date: Aug 2018
Posts: 10
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That’s what I was hoping. Ok but the button would not activate a pump or make noise either? Essentially just gurgle or move air? Thank you for answering so many silly questions
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10-22-2018, 03:06 PM
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#7
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Moderator
Join Date: Apr 2008
Posts: 5,684
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Quote:
Originally Posted by twin533
Yes it’s electric but not sure if it’s vacuflush or not. The water pickup is fresh water from under boat but it’s on trailer.
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A Vacaflush has a foot pedal and flushes like an airplane. Electric Flush has a button. There are electric flush that use freshwater from the tank, however most use raw water.
Is the pump for the dead running and not flushing water? Or is the pump not running at all. You can pull the intake hose from the seacock, install a hose connector (male-male), then an extension of hose that goes into a bucket. Fill the bucket with marine/RV antifreeze (propylene glycol) and start flushing. Turn-on your battery charger while to do it.
NOTE:
Raw Water: Drawn from a through-hull using the water the boat is floating in. (regardless of whether the body of water is freshwater or saltwater).
Fresh Water: Drawn from the freshwater tanks.
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10-23-2018, 01:29 AM
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#8
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Admiral
Join Date: Feb 2012
Location: Essex, Maryland
Posts: 10,606
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Ok so it sounds like the pump does not run. Not sure where the fuse is but I would start there. Next verify power at the switch then the pump motor. Sometimes these pump freeze up, stuck impeller.
__________________
1997 Silverton 362, 7.4 Crusaders
1997 2400 SCR, 5.7 Vortec / Bravo 2
Mike
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10-23-2018, 12:35 PM
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#9
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Ensign
Join Date: Aug 2018
Posts: 10
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I put a gallon of antifreeze in and then shopvac’d it out. A water bottle cap and something else came up with that. I shut all power and try feeling around but it’s too narrow to feel anything. Next I’ll try testing power as you suggested and then report back
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10-23-2018, 03:25 PM
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#10
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Moderator
Join Date: Apr 2008
Posts: 5,684
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Is the pump running and just not flushing?
Is the pump not running at all?
Pouring in AF and vacuuming in out will not winterize the system.
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10-23-2018, 03:37 PM
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#11
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Ensign
Join Date: Aug 2018
Posts: 10
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Not running at all. I just used the A/F to help the vac grab something. Figured using water would be problematic if I can’t get it all out.
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10-24-2018, 04:18 PM
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#12
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Moderator
Join Date: Apr 2008
Posts: 5,684
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There should be a fuse for it. You could theoretically put 12V (inline fuse) directly to the pump leads and verify if it is the circuit or the pump itself. I've used a small battery and some leads with an inline fuse and alligator clips.
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