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Section 8: Plumbing System
Some models are equipped with a side vent system. On these models this label will be
next to the termination valve. This label should not be
removed from your recreation vehicle.
Black/Grey Water Holding Tanks
Dump the gray and black water holding tanks before
traveling to avoid carrying unnecessary weight. The
weight of the holding tank contents is not calculated
into the RV cargo carrying capacity. Traveling with full holding tank(s) could cause you to
exceed the individual tire ratings and/or the RV GAWR or RV GVWR. Potential damage to
suspension components, such as springs, tires and axles, could result.
If you are dry camping and cannot immediately empty your holding tanks, reduce your ve-
hicle speed until you reach a dumping station. When connected to the sewer drain line at a
campground, keep the black tank drain valve closed until the holding tank is at least ¾ full.
This will provide sufficient water to assist in complete draining of the black water holding
tank. Repeat as needed.
Never travel with full black or grey water holding tanks. This not only wastes
your fuel but depending on the location of the tank(s), it can affect your tow
vehicle handling characteristics.
Never leave the black tank drain in the open position continuously when
connected to the campground sewer system. Leaving the drain open will
allow the liquid to drain out increasing the potential for a blockage in the
tank. Keeping the drain in the closed position will prevent debris from
accumulating in the tank.
Do not add automotive antifreeze or caustic chemicals, such as laundry
detergents, into the holding tanks. Although these products may have a
deodorizing effect, they may damage the plastic and rubber parts of the
plumbing system or the components
Before using the recreation vehicle, or after dumping the grey and black water holding tanks,
always add the proper amount of deodorant to the black water tank to prevent odors and
help break down holding tank contents (unless winterizing). Follow the deodorant bottle or
package instructions. Driving to a disposal site will normally loosen any accumulated waste
debris or solids from the sides of the holding tanks.
Black and Grey Tank Drains
There are labels on the exterior of the recreation vehicle indicating the location of the grey
and black tank drains (also called dump valves). Depending on your model, you may have
one or two valves. With one valve, the gray and black tank will release contents simulta-
neously. With the 2-valve set up, it is recommended that you release the black tank first,
followed by the grey tank. This will help rinse and debris from the outlet and sewer hose.
1.
To make drainage easier, level the RV.
2.
Remove the sewer hose housing dust cap and attach the sewer hose (customer sup-
plied).
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