Certain geographical areas have restrictions on
grey water being pumped or drained overboard.
Be sure to check all local, state and federal laws
in the boating area.
Always winterize the fresh water system prior to
winterization of the hull drainage (bilge pump)
Draining the system as mentioned can be very tedious
and an incomplete job can result in expensive repairs.
The use of nontoxic antifreeze (such as R.V. antifreeze)
designed for fresh water systems considerably reduces
J - 6
Be sure the batteries in the boat are properly charged. the work necessary and is a more positive means of
Operating the pressure pump from a battery with a low winterizing the system. Follow the directions included
charge will result in pump cycling. This could lead to with the antifreeze solution.
Turn on the water pump/faucet and drain the water
tank. The water tanks on some models can be
drained by removing the withdrawal hose from the
tank and allowing water to drain into the bilge.
The decomposition of waste produces a color-
less, odorless gas, methane, that is lighter than
air, combustible, and extremely lethal. Always
to the waste system and allow no odor from the
waste system to go unresolved.
system. Pump damage can result. Be watchful
and turn the pump off as soon as the tank be-
A. Clean Vents and Screens
Periodically, inspect the water tank vents and thru-hull
vent fittings for any dirt, wax, etc. Carefully remove any
obstruction with a pipe cleaner or similar device. Be
sure not to puncture any screens. The stainless steel
vent cap is not removable.
Add 1/2 gallon of R.V. non-toxic antifreeze to the
Turn ON the pump until undiluted antifreeze is seen.
Failure to keep the water tank vent fitting clean
will cause excessive pressure buildup within the
tank during filling. This can cause water tank
Use only nontoxic antifreeze solutions such as
R.V. antifreeze. DO NOT use ethylene glycol
solutions; the type that is used in engine cool-
ant systems. These are toxic.
B. Winterizing the Water System
Be sure to wipe up any antifreeze that has been
spilled on the fiberglass surfaces to prevent pos-
sible discoloration or damage to the gel coat.
Winter lay-up service procedures should include a thor-
ough draining of the water system. Disconnect all ac-
cessible fittings. Blow out all lines. Be sure the water
tank, waste tank, pumps and lines are completely dry. Depending upon options and model, additional informa-
Freezing water can cause severe damage to all water tion by the equipment manufacturers is included in the
owner’s packet. Also, referto SectionR for Maintenance.
It may be necessary to disconnect the hose be-
low the faucet to remove excess water in the
lines to prevent freeze damage.
Sundowner™ Owner’s Manual
|Categories||Four Winns Manuals, Four Winns Sundowner Manuals, Outboard Marine Corporation Manuals|
|Tags||Four Winns Sundowner 205, Four Winns Sundowner 225, Four Winns Sundowner 245, Four Winns Sundowner 285|
|Model Year||2003, 2004, 2005, 2006, 2007, 2008|
|Document Type||Owner's Manual|
|Product Brand||Boats and Cruisers, Four Winns. For support contact your dealer at http://www.fourwinns.com/locate-dealer.aspx|
|Document File Type|
|Wikipedia's Page||Outboard Marine Corporation|
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