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12.5.
FRESHWATER SYSTEM
This system is best winterized with one of the non-toxic antifreezes available for
use in boat and recreational freshwater systems. It is an easy method, which
replaces fresh water with a non-toxic antifreeze mixture.
Caution! Be sure to use correct non-toxic antifreeze.
1. Allow the hot heater water to cool, and open the pressure release valve on top.
Disconnect the hot and cold water hoses and allow the tank to drain either in a
bucket or into the bilge. Connect and clamp the hot and cold water hoses together
using a short length of 1/2" pipe in order to bypass the heater.
2. Mix the appropriate amounts of antifreeze and water, as directed on the label, to
deliver the degree of protection desired. Put 1-1/2 to 2 gallons of the solution
into each water tank.
3. Open both tank selector valves on the manifold.
4. Turn on the pump and open all fixtures until antifreeze runs through. Be sure to
open the hot water selector valve in order to supply antifreeze to the hot water
hoses and through the bypass loop.
5. At this point, the freshwater system should be completely protected by
antifreeze against freezing to a degree indicated by the strength of the solution
placed into the supply tanks.
6. New boats delivered have their freshwater systems filled with antifreeze as
described above, and are protected to -30 degrees F.
12.6.
HEAD
Several days before completing haul-out procedures, fresh water should be allowed
to stand in the head unit to dissolve any salt accumulation in the hoses and pump.
Remove all water from the head. Special lubricants for the pump's internal
mechanism are available. Check with your marine hardware dealer for a
recommended brand. Never put oil, gas, kerosene, or alcohol in the head or they
will ruin the internal valve.
Completely pump out all waste from the holding tank and pour in a cleansing,
deodorizing solution. If possible, allow this to sit in the tank overnight, then
completely pump out and drain the entire system. If antifreeze is used in the
system, check in the manufacturer's literature for the recommended type.
12.7.
ENGINE
Winterization by a marine mechanic is highly recommended to ensure that your
engine is properly protected.
11/06/06
9:05 AM
Rev. 05
32
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