2570 Offshore
56
8.2
Marine Head System
The marine toilet is located
in a compartment aft of the
V-berth. The flush water is
supplied by a thru-hull fit-
ting and a raw water line
located in the forward bilge
area. Before using, open the
inlet valve on the head and
pump to wet the inside of
the bowl. After use, pump
to discharge the waste to the
holding tank, then close the
inlet valve and pump the
bowl dry. The waste re-
mains in the holding tank
until it is pumped out by a
waste dumping station.
Holding Tank
The holding tank is located in the bilge. Monitor the waste level in the holding tank and have it pumped out
before it is completely full. If the holding tank is allowed to overfill, the waste will overflow out the tank
vent and then overboard.
Emptying the Holding Tank
When the holding tank is full it must either be pumped out by an approved waste dumping station through
the waste deck fitting or be pumped overboard with the macerator discharge pump, when legal to do so.
To operate the macerator pump, open the ball valve at the thru-hull fitting located in the forward bilge area.
Then activate the macerator switch until the tank is emptied. Release the switch and close the discharge ball
valve when pumping is complete.
THE MACERATOR DISCHARGE PUMP CAN ONLY BE RUN DRY FOR A FEW SECONDS.
ALLOWING THE MACERATOR PUMP TO RUN AFTER THE HOLDING TANK IS EMPTY
MAY CAUSE DAMAGE TO THE PUMP.
IN SOME WATERS YOU CAN BE FINED FOR HAVING AN OPERABLE DIRECT OVER-
BOARD DISCHARGE OF WASTE. TO AVOID A FINE, REMOVING THE SEACOCK
HANDLE, IN THE CLOSED POSITION, OR OTHER MEANS MUST BE USED.
Maintenance
The head should be cleaned and inspected for leaks regularly. Periodically add chemical to the head to help
control odor and to chemically break down the waste. See the manufacturer owner’s manuals for additional
operating and maintenance information.
NOTICE
Forward Bilge Area
Overboard Discharge Valve
Holding Tank
Forward Bilge Pump
Head Raw Water Inlet
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Summary of Contents for 2570 offshore
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