Using On-Site Sewer Hook-Ups - Winnebago Ultimate Advantage Owner's Manual

1. Pull to drain black tank
Sewage Hose
Storage Tube
3. Close sewage valve and open waste (grey)
water dump valve with a quick pull. Close
valve handle as soon as tank is empty.
4. After both tanks have been drained, run sev-
eral gallons of water into the sewage tank
through the toilet. Then open sewage dump
valve and drain the tank again. Close valve
when done.
5. It is advisable to add an odor control chemi-
cal to the sewage holding tank. These chemi-
cals are available at most R.V. stores.
6. Rinse end of sewer hose thoroughly with
water and stow.
NOTE: We recommend that you dump all hold-
ing tanks before traveling to avoid carry-
ing unnecessary weight.
Flushing your Black Water Holding
Tank
The black water holding tank is equipped
with an internal spray head that allows you to
rinse the inside of the tank with a shower of
clean water after dumping.
1. Dump your black water holding tank in the
usual manner at approved sewage disposal
station.
2. Pull to drain grey tank
Sewage Drain Hose
PLUMBING SYSTEMS
2. Leave black water dump valve open while
flushing tank.
3. Attach a garden hose from a city water
hydrant to the Flushing System inlet fitting
in the water system compartment. (This inlet
is clearly marked separate from the City
Water inlet.)
Flushing System Inlet
4. Turn the water on to begin flushing; allow
water to run for about three minutes.
5. Disconnect hose from flushing system fitting
and close dump valves.

USING ON-SITE SEWER HOOK-UPS

The drain hose may remain attached to the
dump 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.
Drainage Hose & City Water Hose
routed through passages in compartment
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
SECTION 7
7-7