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Quicksilver 875SD — System & Component Overview and Operation
Operation
Each time a sink is used, the water drains either into the grey water tank by gravity, or it drains into a
sump pump which pushes the water in to the grey water tank. On your boat, the entertainment
center sink drains via gravity to the grey water tank, while the head sink and shower drain goes to
sump pumps.
Tank Level
Located just above the battery switch panel, there is a gauge for reading the level of fluid in the
holding tank. To see how much fluid is in the holding tank, press the momentary switch towards Tank
2.
Dockside Pumpout
The dockside pumpout deck plate is located under the starboard transom deck access hatch, and is
marked with the ISO symbol WASTE. The dockside facility will have the proper connections / fittings to
pump the grey water tank out.
When the battery switch is in the OFF position, the sump
pump does not work. Any liquids poured down the head
sink or shower drain will not be pumped to the grey water
Macerator
The macerator gives the boat operator the means of discharging the grey water tank directly
overboard through a seacock in the bottom of the hull. The macerator control is located in the main
battery panel in the starboard battery panel tub labelled "Waste pump #2". Since direct overboard
discharge is prohibited in many areas, the macerator seacock is normally closed.
To Operate the Macerator:
1. Make sure the macerator seacock is in the open position.
2. Press and hold the macerator switch located on the main battery panel. The macerator switch
is a momentary switch, which means that it needs to be pressed during operation.
3. When the tank is empty, stop pressing the macerator switch.
4. Return the macerator seacock to the closed position.
Macerator Switch Location
tank.
The dockside pumpout deck plate does not have a chain
connecting the cap to the deck plate. Use caution not to
drop the deck plate cap into the water.
Avoid inadvertent discharge of the black water system.
Always keep the macerator seacock closed when not in use.
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Tank level monitor
Macerator switch
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