106
Plumbing Systems
Emptying the Black & Grey Water Tanks
The black tank and grey tank drain valves (or dump valves)
are located near the Sewer Outlet Connection, under the RV
on the o-door side, and/or in the utility center.
• ALWAYS drain the black water holding tank FIRST.
• THEN, drain the grey tank waste water to help
rinse any solids from the sewer outlet and hose.
1. Driving to a disposal site will normally loosen any
accumulated waste solids from the sides of the
holding tanks.
2. To make drainage easier, level the RV.
3. LOCATE the Sewer Outlet Connection,
◦ REMOVE the sewer hose housing dust cap, and
◦ ATTACH your sewer hose (customer supplied.)
4. PLACE the other end of the sewer hose into the
approved dump station..
5. OPEN the Black Tank Dump Valve by carefully pulling
it out towards you (CLOSE it by pushing it shut when
the black water holding tank is emptied.)
6. EMPTY each grey water holding tank (one at a time)
◦ OPEN the 1st Grey Tank dump valve
◦ CLOSE the valve after the tank has drained.
◦ REPEAT for the 2nd Grey Tank.
7. REMOVE, CLEAN and STORE the sewer hose.
8. CLOSE the sewer hose housing dust cap.
When connected to a (campground) sewer drain
• Keep the Black Tank Drain Valve CLOSED until the holding
tank is at least ¾ full. This should provide enough water to
completely drain the holding tank.
• DO NOT leave the Black Tank Drain in the OPEN position.
It is important to prevent
solid waste buildup. Follow
the toilet manufacturer’s
instructions each time after
emptying the black water
holding tank.
Sewer cap must be
securely in place
while the vehicle is
in motion.
Sewer Outlet Connection
Is Located Under the RV
on the Off-Door Side
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