Four winns V Series Owner's Manual page 130

Macerator
Pump
Figure J20: Seacock & Macerator Pump -
Overboard Discharge
(Representative View Only - Models may vary)
HAZARD OF FLOODING
Close all waste system seacocks when toilet is
not in use. Failure to do so may result in flood-
ing which can cause loss of property and life.
To operate the overboard discharge system:
1. The seacock (discharge valve) is located in the
engine compartment labeled HEAD DISCHARGE.
To open, turn the valve so that the handle is
parallel to the flow of the valve. Note: The sea-
cock may be fitted with a device called an "Inter-
lock Switch" which prevents the overboard dis-
charge switch from activating the discharge pump
should the seacock be in the CLOSED position.
See Figure J21. Should the pump not activate
please check to see that the seacock is in the
OPEN position. Additionally, the waste deck plate
cover must be tightened securely for the over-
board discharge system to operate properly.
Water and Waste Systems - Section J
Seacock
"HEAD DISCHARGE"
Plate
2. Turn ON the overboard discharge switch (if
Bow
Engine
Room
3. Turn the overboard discharge switch OFF.
4. Turn the head discharge valve handle to the
Seacock
"
"Interlock Switch
Figure J21: "Interlock Switch" Attached to Seacock
applicable) which is located on the 12VDC cabin
panel. See Figure J22. Allow the discharge pump
to run until the storage tank is empty. The sound
of the pump's motor load and speed will change
when the tank be comes empty.
Waste
Level
Figure J22: Overboard Discharge Switch
closed position, and secure it. This thru-hull valve
(seacock) must be closed to prevent water from
being forced back into the system.
Seacock
Handle
Gray Water
Fresh
(If Applicable)
Water
Owner's Manual Page 128