SECTION 7 –
PLUMBING
7-8
appropriate waste water disposal site. This means
you can use the toilet, sinks, and shower even in
areas where utility hookups are not available.
The black water holding tank contains the
sewage from the toilet and may include bathroom
lavatory on some models. The gray water holding
tank contains the waste water from the galley
sink and shower, and may include bathroom
lavatory.
See “Specifications” in Section 1 -
Introduction for tank capacities for your model.
Dumping Holding Tanks
1. Remove sewage drain hose from small access
compartment located on driver side of coach.
2. Remove dust cap from sewage drain outlet
and connect sewage drain hose. Be sure it is
firmly attached.
NOTE:The sewage drain outlet swivels
downward when necessary to avoid
bends in the sewage drain hose, which
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.
Holding Tank Drain Valves
(Located in driver side compartment)
-Typical View
Sewage Drain
Outlet/Dust Cap
Black Waste
Tank Drain Valve
Gray Waste Tank
Drain Valve
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