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  1. #11
    Join Date
    Nov 2004
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    Default Re: Holding Tank Pump outs

    Can i run water from hose into deck suck out fitting to put some fresh water into tank before emptying with pump out to clean tank?
    I changed it cos it was too long....to drink and in letters :-)
    If you are cutting wood, plastic or aluminium I may just be able to help you select the correct tool. http://www.cutting-solutions.co.uk

  2. #12
    Join Date
    Nov 2004
    Posts
    4,361

    Default Re: Holding Tank Pump outs

    perhaps i have been misunderstanding the noises.
    i thought when it made bubbling/rumbling noice with change of tone it was mushing up the contents. when this sound changed to a constant note i would let go of the waste button.....not easy when you are running at sea either.
    I changed it cos it was too long....to drink and in letters :-)
    If you are cutting wood, plastic or aluminium I may just be able to help you select the correct tool. http://www.cutting-solutions.co.uk

  3. #13
    Join Date
    Sep 2002
    Posts
    11,592

    Default Re: Holding Tank Pump outs


    Please clean the hose afterwards!

  4. #14
    Wiggo's Avatar
    Wiggo is online now Registered User
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    Sep 2003
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    5,426

    Default Re: Holding Tank Pump outs

    Yes, and don't allow the hose to go into the fitting, aim the water in without touching...
    The nicest thing about not planning is that failure comes as a complete surprise, and is not preceded by a period of worry and doubt.
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  5. #15
    carlton's Avatar
    carlton is offline Registered User
    Location : A parallel universe.
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    Sep 2005
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    Default Re: Holding Tank Pump outs

    [ QUOTE ]
    Can i run water from hose into deck suck out fitting to put some fresh water into tank before emptying with pump out to clean tank?

    [/ QUOTE ]

    Surely you'd be better advised to fill the loo with fresh water a few times and have someone repeatedly flushing it through to the tank as it is being pumped out.

  6. #16
    Join Date
    Jun 2001
    Posts
    2,682

    Default Re: Holding Tank Pump outs

    Surely you'd be better advised to fill the loo with fresh water a few times and have someone repeatedly flushing it through to the tank as it is being pumped out.

    [/ QUOTE ]

    That`s the recommended way to do it, at least on FL boats which normally use pumpouts unless they are way off shore.
    Vacuflush recommend putting a measure of washing powder in the bowl, filling with water, then flushing. We`ve been doing this for 13+ years and had no problems. To thoroughly clean the tank, keep filling with water at the deck fitting and pumping out until the effluent is clear. Hopefully the pumpout pipe has a transparent section so you can see when things are clear.

  7. #17
    Join Date
    May 2005
    Posts
    24,478

    Default Re: Holding Tank Pump outs

    I always thought you holding tank guys just inserted a hose and sucked on it until the syphoning started.

  8. #18
    Join Date
    Sep 2002
    Posts
    11,592

    Default Re: Holding Tank Pump outs


    [img]/forums/images/graemlins/tongue.gif[/img]

  9. #19
    neale's Avatar
    neale is offline Registered User
    Location : Essex Mud and Solent
    Join Date
    May 2001
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    3,172

    Default Re: Holding Tank Pump outs

    Don't mock, I am suffering the same problem as DV. Full tank, no shut of between tank and pump, pump mounted right at the bottom of the tank and pump not working.

    I either pull pump off and plug hole ASAP, but will get alot of [--word removed--] in the bilge, or I get a long hose and suck [img]/forums/images/graemlins/shocked.gif[/img]

  10. #20
    KevB is online now Registered User
    Location : Kent/Chichester
    Join Date
    Jul 2001
    Posts
    7,555

    Default Re: Holding Tank Pump outs

    To make sure you get all the 'sludge' out of the tank I'd recommend getting an old hose pipe with a nozzle on the end set so the water comes out at high pressure, take the water level sender out and stick the hose in and waggle it about a lot. I cleaned mine out recently and was amazed at the amount or very thick 'sludge' that sits on the bottom.

    Also, if your pump is in a similar place as mine, ie aft end of the tank and above the level of the bottom of the tank, I found you can empty it almost completely by emtying at a speed which gets the bow high (just before planning), everything runs to the back of the tank (thick sludge excluded).

    Good luck.

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