Winnebago Travato User Manual page 62

SECTION 7 –
PLUMBING
• 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, then close)
Sewage Drain Outlet
(Located beneath coach)
-Typical View
NOTE: DO NOT OPEN BOTH VALVES AT
ONCE. Do not open the Gray Waste Tank
Drain valve until the black tank is
drained and dump 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. Press and Hold Waste
Pump switch until tank is empty (do not run
pump dry.) Close Gray Waste Tank Drain
valve as soon as tank is empty.
NOTE: Sound of Waste Pump will change
significantly when tank is empty.
7-10
Waste Pump Switch
(Located in the water service center)
6. Store sewage drain hose.
7. Add an odor control chemical to the sewage
holding tank through the toilet. These
chemicals are available at most RV stores.
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 while the motorhome is
parked and connected to an on-site sewage hook-
up.
WA RNING
Service inlet access must be closed when
utility connections are 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