On models equipped with two gray holding tanks, you must use the
dump lever for each tank to empty its contents. Pulling the dump
lever for one tank WILL NOT empty the other. Each holding tank
fluid level is represented on the monitor panel.
Emptying Holding Tanks
WARNING: PROPER PRECAUTIONS MUST BE UNDERTAKEN
WHEN WORKING IN AN UNSANITARY ENVIRONMENT SUCH
AS EMPTYING SEWAGE TANKS. PROPER GEAR (RUBBER
GLOVES, SHOES, ETC.) MUST BE WORN. USE HAND
SANITIZER OR OTHER PRECAUTIONS WHEN FINISHED.
To empty the holding tanks, be certain that your RV is level since
this process depends upon gravity.
1. Remove the sewage drain hose from its
storage location.
2. Pull out the Termination Valve by pulling
out the dump valve slide handle
3. Flush or power about two gallons of water
through the toilet and drain again. This
flushes the tank and helps clean the drain
hose.
4. Repeat as necessary
5. Follow the same procedure for the GRAY
WATER HOLDING TANK. A repeat flush is
not necessary.
6. When the gray tank is empty, push the
dump valve handle in until it seats.
7. Remove the hose, wash and replace it in its storage
location.
8. Replace termination outlet cap.
Holding Tank Maintenance
Keep your tanks well flushed out when the vehicle is not in use.
Allowing the tank to sit with any contents for more than a couple of
days will ensure some sort of build-up on the monitor probes in the
side of the tank and future monitor reading problems, even if this is
the first time you have used your RV. One way to help flush them
out is to drain them at the campground, then fill each tank half full
of water for the trip home. The constant agitation while driving
home usually does a good job of cleaning the tanks. Then, before
you arrive at home, stop at a local approved dumping station and
drain the tanks completely.
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