2 problems:

Discussion in 'Sport Cruisers' started by 340DA, Jul 27, 2019.

  1. bbwhitejr

    bbwhitejr Well-Known Member SILVER Sponsor

    Apr 14, 2013
    Lake Lanier GA
    2007 44DB
    Cummins QSC 8.3s
    If like this, the fitting unscrews from the tank....
    529.JPG

    Bennett
     
  2. Groucho

    Groucho Well-Known Member

    Jun 11, 2008
    Albany/Lake George NY
    2004 320 DA
    6.2 V-Drives
    If you look at the top of the holding tank there should be a plug type fitting on the top. That's where you would pull the assembly out.
     
    Tacoma290 likes this.
  3. Boaters Mate

    Boaters Mate Member

    36
    Jun 9, 2018
    Four Winns 328 Express Cruiser 1999, SeaDoo Jet boat 14', inflatable dinghy with electric motor
    Dual Volvo Penta
    May I offer a suggestion before you go to all that smelly trouble? You may want to try Noflex Digestor, if you haven't done so already.

    To clear stuck gauges of gradoo:

    Empty the holding tank
    Add about 4 tablespoons of Noflex Digestor flushed down the toilet
    Fill tank 90-95% with water to get the solution to cover all the way up to the gauges
    Let sit 48 hours, so maybe over the weekend, let it work
    pump out again, refill about 1/2, see if the gauges work, if not you can repeat the process
     
  4. boatmailster

    boatmailster Well-Known Member

    May 13, 2007
    NY
    none to share
    none to share
    You can remove and clean sending unit (best solution) or fill tank with few gallons of water and good cleaner and take boat for a ride. Water sloshing inside tank should clean and free up stuck floats.
    As far problem with water pump. Check for broken or missing o-ring on the filter. Another possibilites are: cracked pickup tube inside water tank, faulty connection tank-water pump, faulty pump, cracked filter housing.
     
  5. Boaters Mate

    Boaters Mate Member

    36
    Jun 9, 2018
    Four Winns 328 Express Cruiser 1999, SeaDoo Jet boat 14', inflatable dinghy with electric motor
    Dual Volvo Penta
    Groucho likes this.
  6. SmilingMonkey

    SmilingMonkey Member GOLD Sponsor

    233
    Oct 12, 2015
    Narragansett Bay
    .
    .
    Boaters Mate likes this.
  7. Boaters Mate

    Boaters Mate Member

    36
    Jun 9, 2018
    Four Winns 328 Express Cruiser 1999, SeaDoo Jet boat 14', inflatable dinghy with electric motor
    Dual Volvo Penta
    When you're smiling, the whole world smiles with you! Appreciate ya!
     

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