Maintenance
2020 Flying Cloud 8-13
Sanitizing
Potable water systems require periodic maintenance
to deliver a consistent ow of fresh water. Depending
on use and the environment the system is subject to,
sanitizing is recommended prior to storing and before
using the water system after a period of storage.
Systems with new components, or ones that have been
subjected to contamination should also be disinfected
as follows:
1� Use one of the following methods to determine the
amount of common household bleach needed to
sanitize the tank.
a� Multiply “gallons of tank capacity” by 0.13;
the result is the ounces of bleach needed to
sanitize the tank.
b. Multiply “Liters of tank capacity” by 1.0; the
result is the milliliters of bleach needed to
sanitize the tank.
2� Mix the proper amount of bleach into a container of
water�
3� Pour the correct amount of solution (water/bleach)
into the Fresh Water tank and ll with potable
water�
4� Open all faucets (hot and cold) allowing the water
to run until the distinct odor of chlorine is detected.
5� The standard solution must have 4 hours of contact
time to disinfect completely. Doubling the solution
concentration will allow for contact time of one (1)
hour.
6� When the contact time is completed, drain the tank.
Rell with potable water and ush the plumbing of
all sanitizing solution.
Black and Gray Water Tank Draining
To empty one or both tanks, attach the sewer hose by
pressing the bayonet tting onto the dump valve outlet
and rotate clockwise until it feels solid and secure.
Attach the outlet end of the hose to the sewage outlet,
making sure that the hose is placed so it will drain
completely. Pull the main dump valve handle as far as
it will go and wait until the tank is drained. Close the
dump valve and partially rell the tank with clean water
and repeat the process until clean. The main holding
tank must be ushed out until all paper and waste
material is removed. Now pull the auxiliary tank valve
handle to drain the gray water tank. When dumping,
the main holding tank should be dumped rst, then the
auxiliary holding tank. This will help to rinse out the
sewer line with auxiliary holding tank water. Replace
the bayonet ring cap prior to traveling.
Black Water Tank Dumping
When you are in a park and connected to a sewer
outlet, keep the main holding tank dump valve closed,
and empty the tank every few days, or whenever it
becomes almost full. Only by sending a large volume
of liquid, all at once, through the main holding tank will
toilet paper and other solids completely wash away.
This practice will avoid the accumulation of solids in the
main holding tank, which could lead to an unpleasant
cleaning job. Should solids accumulate, close the
dump valve, ll the tank about half full with water, then
tow the trailer for a few miles. The turbulence and
surging of the water will usually dissolve the solids into
suspension so the tank can be drained.
Draining the tanks as described will protect them from
freezing during storage. When traveling in sub-freezing
temperatures, use a winterizing solution designed for
RV use. Follow the directions on the container.
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