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1. Attach a 3-inch sewer hose to the main dump con-
nector under the trailer and to a sewer outlet at a
dump station.
2. Open the desired black / gray (manual) drain
valves, one at a time (black then gray).
3. The macerator bypass valve will be pointing away
from you and is attached to the macerator pump.
The valve location is by design to prevent ac-
cidentally engaging the bypass when system
is operating normally.
4. The bypass valve is normally open (handle is
pulled To bypass the macerator, push
the bypass valve (turns o ow from the
macerator pump) allowing waste to ow out
of the dump connector under the trailer via
gravity.
5. When nished, close the main dump gate
valve under the trailer, along with the black / gray dump valves. Disconnect the sewer
hose from the main dump connector and at the dump station.
The bypass valve also doubles as an emergency cutoff in
the event of a problem with the ex hose or dump connector. Closing
the valve stops waste ow out of the macerator pump and up to the
ex hose, but will divert waste to the main dump connector under
the RV. Make sure the main dump gate valve is closed until you are
ready to empty the black tanks..
Black Tank Flush (if so equipped)
The black tank ush (no fuss ush) inlet is typically located on the
utility center panel. The location may vary depending on your mod-
el. The inlet color may be either white or black. Attach a garden
hose (connected to a pressurized fresh water source) to the black
tank ush inlet. The water goes directly into the black water holding
tank sprayer connection, allowing you to remove debris and prevent-
ing accumulation. There is a check valve in the plumbing lines to
prevent back ow.Flush the black water tank each time the grey and
black water holding tanks are dumped or as needed.
1. Dump the black water tank (see Gray Tank Drain and Black
Tank Drain) and leave the black tank drain valve open.
2. Connect a garden hose from the water supply source to the
black tank ush.
3. With the water source turned ON, ush the black water holding tank until the water
running out of the black tank drain valve is clear (not discolored or cloudy).
4. Disconnect the garden hose and close the black tank drain valve. Fasten the sewer hose
housing dust cap back on the tank ush inlet.
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