Outdoors RV Mountain Series Owner's Manual page 63

Plumbing Systems
IMPORTANT:
 Do not pull the holding tank drain valves open while the protective cap is attached to the drain
outlet.
 Do not attempt to drain both waste holding tanks at the same time.
 Always drain the waste holding tanks into an acceptable sewer inlet or dump station.
1. Remove sewer outlet cap by twisting cap counterclockwise.
2. Locate and attach your sewer hose to the holding tank drain outlet by aligning outlet pins to hose
connector fitting and twisting clockwise until secure.
3. Insert the other end of the sewer hose into the sewer or dump station inlet, pushing it securely
into place. In some cases, adapters or elbows may be necessary or required at the dump station
end of the hose. Arrange the sewer hose so that it slopes evenly toward the dump station inlet.
4. Drain the black tank first. Before doing so, open the toilet ball valve with the foot pedal and
check to see that the tank is at least 3/4 full. You will gain additional flushing action by filling
the tank to at least 3/4 full of fresh water. Note: Prior to draining the black tank you may want to
leak test your drain hose connection by momentarily opening the gray valve to ensure no leakage
is present.
5. Firmly grasp the drain valve handle of the black tank (identified with a black handle) and pull the
valve fully open with a quick, steady pull.
6. Allow enough time for the tank to drain completely. Rinse and flush the tank through the toilet.
If additional flushing is necessary, this process can be repeated. Additionally you may use the
'Black Tank Flush System' at this time. See section in this chapter titled 'Black Tank Flush
System' for direction. When tank is empty and satisfactorily clean, push the handle in to fully
close the valve.
7. Drain the gray tank by pulling the gray colored handle. The gray tank is drained last to aid in
flushing the outlet and sewer hose. The gray water knife valve may be left open in a semi-
permanent hookup while connected to a RV park sewer connection.
8. Ensure that drain valves are closed. Remove the sewer hose from the RV drain outlet fitting and
cap the outlet.
9. Rinse out the sewer hose with fresh water and remove from the dump station connection. Sewer
hose may be stowed in bumper.
10. Replace sewer or dump station cap.
Blank Tank Flush System (San-T-Flush)
The black waste holding tank is equipped with a rinsing spray head that will aid in the removal of
sewage residue from the interior of the tank. This system uses a garden hose connection located along
the driver side or rear exterior wall of your RV. It appears similar to the city water inlet however will be
identified with the 'SAN-T-FLUSH' labeling. DO NOT mistake this connection for the city water inlet.
See additional literature in your owner information packet supplied with your RV.
 Holding tanks are enclosed sewer systems and as such, must be
drained into an approved dump station. Both black and gray water
holding tanks must be drained and thoroughly rinsed regularly to
prevent accumulation of harmful or toxic materials.
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