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PLUMBING
DRAINING THE WASTE WATER TANKS
ON A COACH WITH A MACERATOR
WASTE SYSTEM (SANI-CON)
•
The Sani-Con macerating waste system provides the
following convenient features:
•
Provides a sanitary method for discharging liquid
waste from the RV by easily and quickly emptying
waste-water from the RV’s holding tanks, without
relying on gravity.
•
The macerating system pumps liquid waste from
holding tanks and does not rely on gravity.
•
The macerator is designed to process human waste
and toilet tissue, making the Sani-Con ideal for black
water, as well as gray water, discharges.
1. Make sure the black and gray water dump valves are
closed.
If there is a problem with the connection, or if the
system is not functioning correctly, the macerator
may need to be cleaned or serviced.
IMPORTANT
!
5. Shut the gray water dump valve, and turn o
ff
the
pump switch once you have determined that there
are no problems.
6. Open the black water dump valve, and turn on the
macerator pump switch.
7. Monitor the tank as it empties. The pump will run
louder when the tank is empty.
8. Turn o
ff
the pump switch once the tank is empty.
9. Flush the black tank, and operate the macerator while
it is flushing.
10. Turn o
ff
the flush system, then turn o
ff
the macerator.
11. Close the black water dump valve.
12. Add tank chemicals and the amount of water
recommended by the chemical manufacturer.
13. Drain the gray tank next to help flush out the
macerator and sewer hose.
14. Open the gray water dump valve.
15. Turn on the pump switch.
16. Monitor the tank as it empties. The pump will run
louder when the tank is empty.
17. Turn o
ff
the pump switch once the tank is empty.
18. Flush the gray tank, and operate the macerator
while it is flushing (if equipped).
19. Turn o
ff
the flush system, then turn o
ff
the macerator.
20. Close the gray water dump valve.
21. Place the cap on the hose and store it.
22. Add tank chemicals and the amount of water
recommended by the chemical manufacturer.
How To Drain The Waste
Water Holding Tanks
The holding tanks should only be drained when they are
at least three-fourths full, to provide su
ffi
cient water to
allow the complete flushing of waste materials in the drain
lines and hose. If the tanks are not three-fourths full, add
enough water to allow for su
ffi
cient flushing. Whenever
possible, drain the holding tanks prior to traveling. The
carrying capacity of your unit will be reduced if water is
left in the black or gray tanks.
To empty the waste water tanks, follow the procedure
below, depending on the type of waste system your
coach uses. It is recommended to drain the black water
tank before the gray water tank. The holding tank valves
may be operated via a tank gate valve (t-handle) or an
electric dump valve switch (when equipped).
DRAINING THE WASTE WATER TANKS
ON A COACH WITH A STANDARD
GRAVITY DRAIN AND DUMP SYSTEM
1. Connect the adapter to the drain hose.
2. Unscrew the drain cap, and connect the hose with
the adapter to the drain fitting. Support the hose as
needed for optimal flow.
3. Open the gate valve all the way by pulling on the
T-handle. The tank will start to drain as soon as the
T-handle is pulled.
4. After you have drained the black water tank,
immediately drain the gray water tank, allowing the
water from the gray tank to wash the black water
residue from the drain lines and hose.
5. When both of the tanks are empty, flush them with
fresh water before you close the valves. Flush the
gray tanks by pouring a couple of gallons of water
into a sink drain. The drain outlet is engineered for
quick release of the drain hose adapter.
6. Always close the gate valves and secure the end cap
to prevent leakage while in transit.
7. Add a holding tank deodorant to help control the
odor and break down the solid waste.
2. Point the hose nozzle upward, and remove the nozzle
cap.
3. Insert the nozzle into the sewer connection.
4. Open the gray water dump valve, and run the
macerator pump for a few seconds to confirm that the
system is operating correctly.
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