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SECTION 7 –
PLUMBING
7-8
could trap solids while dumping, or to
provide more direct drainage while using
on-site sewer hook-ups.
3. Place the outlet end of sewage drain hose into
disposal opening.
NOTE: Black and Gray waste tank drain valve
positions may be reversed, depending on
floorplan and tank location.
4. Open the Black Waste Tank Drain Valve with
a quick pull and make sure there are no sags in
the hose. Move the hose gently about to
dislodge any waste and ensure complete
drainage. Close Black Waste Tank Drain
Valve as soon as tank is empty.
NOTE: DO NOT OPEN BOTH VALVES AT
ONCE. Do not open the gray waste tank
drain valve until the black tank is
drained and black waste tank drain valve
closed to avoid sewage back-up into gray
tank. Gray water also rinses any black
water solids from the sewage drain hose.
5. Open the Gray Waste Tank Drain Valve. Be
sure there are no sags in the hose to ensure
complete drainage. Close Gray Waste Tank
Drain Valve as soon as tank is empty.
6. Add an odor control chemical to the sewage
holding tank through the toilet. These
chemicals are available at most RV supply
centers.
7. Rinse sewage drain hose thoroughly with
water before stowing.
NOTE: We recommend that you dump all
holding tanks before traveling to avoid
carrying unnecessary weight.
Using On-Site Sewer Hook-Ups
The sewage drain hose may remain attached to
the sewage drain outlet and be routed out the
bottom of the compartment while the motor
home is parked and connected to an on-site
sewage hook-up.
The center outlet section may be swiveled
downward for better hose alignment and
drainage.
NOTE: Always keep service access passage
closed while utility connection is not in
use.
When using a sewer hook-up, keep the dump
valves closed until a tank becomes full or when
preparing to leave the site. This keeps the solids
in suspension, allowing them to be carried out
with the liquids when the dump valve is opened.
If the valve is left open, the liquids will drain off,
leaving solids in the tank. Should this
accidentally happen, disconnect the hose, fill the
tank about half full with water, and drive a few
miles to dislodge the solids. A few starts and
stops will aid in the process. Then reconnect the
hose and drain in the normal manner.
Holding Tank Level Indicators
See
“Systems Monitor Panel”
in
Section 4 -
Appliances
for further information on the
monitor panel and checking tank levels.
See “Specifications” in
Section 1 -
Introduction
for tank capacities for your model.
• 1st - Pull Black
Waste Tank Drain
Valve to drain Black
Water (sewage)
Tank, then close.
• 2nd - Pull Gray
Waste Tank Drain
Valve to drain Gray
Water (sink/shower)
Tank, then close.