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Revision Date: 4/7/12
The toilet can be emptied in two ways: overboard or into the holding tank. There is a Y-Valve for the
waste system that controls the direction of the flow. This valve will almost always be plumbed to the
holding tank. Overboard discharge is permitted only 3 miles from land.
The valve for discharging directly
overboard should not be used.
The Y-Valve is located in the hanging locker next to the chart table. The
macerator can also be used to empty the holding tank when away from shore. Prior to using the macerator,
close the thru hull under the head sink and open the thru hull located next to the holding tank. Hold the
panel switch down to activate the macerator. A change is pitch will occur when the holding tank is empty.
Be sure to close the holding tank thru hull when finished running the macerator.
The holding tank needs to be emptied after every trip. The pump out is accomplished by using the
Pump Out system at the fuel dock and removing the waste through the deck waste plate located at
port amidships. Ensure that the thru hull below the head sink is closed.
After emptying the holding tank, refill it with a hose at the same deck plate and empty again. Do not use the
same hose for this that you would use to fill the water tanks. Most holding tank facilities provide a “rinse”
hose. Finish the operation by pouring deodorant chemicals in the toilet and flushing them into the tank.
The blue holding tank chemicals seem to stain everything they touch except the toilet bowl. Please be
careful not to get the chemical on anything else (i.e., the toilet seat). A bottle of chemicals in found in the
lazarette.
Overboard Discharge:
The holding tank is above the water line and may also be emptied overboard when NOT in U.S. Waters. By
law, NO overboard pumpout into sea water is allowed within U.S. Waters. To empty the holding tank open
the thru-hull valve located in the lazarrette. It is important that every member of the crew be informed on
the proper use of the marine toilet. The valves, openings, and pumps are small and may clog easily.
If the
toilet clogs, it is YOUR RESPONSIBILITY!
Pumping out:
1. Locate the nearest pumpout station and consult the directions there.
2. The holding tank cap is located on the port deck.
3. Apply tight seal with the pump nozzle and remove effluent.
4. Rinse the tank with hose water and repeat the pumpout.
Summary of Contents for 1999 Catalina 34 MK II
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