Plumbing
Systems
and
Holding
Tanks
6. Remove the sewer hose and cap the outlet.
7. Rinse out the sewer hose with fresh water
and remove the sewer hose from the dump
station.
8. Replace sewer or dump station covers.
CAUTION
The sewer drain valve must
be
open when using the
black tank flush inlet.
Gray Holding Tank Dumping
Black Water Tank Dumping
Black Tank Flush System
(If
Equipped)
The black water holding tank is equipped with
rinsing spray heads that will aid in the removal
of
sewage residue from the interior
of
the hold-
ing tank. To operate the tank flushing system,
follow the procedures for
Draining The
Holding Tanks
in this chapter. After dumping
the gray water tank proceed as follows:
1. With the dump valves open, attach a garden
hose to the black tank flush inlet connection.
2. Turn on water supply to garden hose and
07-6
allow the water to run for approximately
three minutes to flush tank.
3. Turn
off
water supply to garden hose.
4. Remove hose from black tank flush inlet
connection and store hose.
5. Rinse out the sewer hose with fresh water
and remove the sewer hose from the dump
station.
6. Replace sewer or dump station covers.
7. After rinse water has thoroughly drained
from the black tank, close the knife valve
and replace the tenmination cap. If you are
parked at a site with a semipelmanent sewer
hookup, keep the black water knife valve
closed to allow the waste level to build up.
The outlet will probably clog if you leave the
knife valve open continually. Run enough
water into the tank to cover the bottom. This
will aid the break up
of
solid wastes.
Please .. .Practice good housekeeping when
draining wastes
at
a campsite or disposal sta-
tion. Leave the site
in
good order. Above all, do
not
pollute.
A CAUTION
Do
not
use
the same hose
you
use for filling the
potable water tank, or for connection to the city water
inlet. This
is
especially true if
you
the connect the
quick connect hose to the
typical rinsing hoses at
most dumping stations.
Use
of a different hose will
insure that
you
will not contaminate your fresh water
supply.
CAUTION
The sewer drain valve must
be
open when using the
black tank flush inlet.
Holding Tank Care
Since holding tanks don't rely on any sophisti-
cated mechanical devices for their operation,
they are virtually trouble-free. The most com-
mon problem
is
also an unpleasant one - clog-
ging.
You
can minimize the chances
of
clogging
by keeping the following considerations in mind:
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