fountain mercury Express Cruiser 2005, Operation, Maintenance & Warranty Manual

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ing of sewage. Overboard discharge requires the valve to be in the
“overboard” position, and switch activation to operate the pump.
The waste water system directs waste water from several locations
(head, sinks, etc.) to a sump that contains a float switch and pump to
pump the water to the waste holding tanks in the engine compart-
ment. The tanks (one on the port side and one on the stbd side)
must be emptied when they become full.
Overboard Discharge Operation:
1. Turn the Y-valve to the overboard
position.
2. Open the waste thru-hull valve in
the engine compartment.
3. Flip the OVERBOARD DISCHARGE
switch in the wet bar cabinet for the
55
Electrical System & Optional Equipment
Port & Starboard Overboard
Waste Valves
Overboard Discharge
Pump Switch
Waste Tank Monitor
Y-Valve Location
(Port 48EC)