8
Maintenance
Flying Cloud 8-15
The 20 ft. model has a pair of hot and cold water line
drain valves located under the front dinette seat and
another pair accessed through the rear exterior access
door. Remove the foam cushion and you will notice
there are two access holes cut in the seat. This model
has the fresh water tank drain, a white petcock, on the
exterior tank pan under the trailer on the roadside rear.
The 23 ft. model has a fresh water tank drain, a white
petcock, on the tank pan under the trailer between the
roadside tires. It also has two low-point hot and cold
water line drain valves located under the bed. They can
be reached through a hole in the bed top or through the
exterior access door in the rear of the trailer.
The 23 ft. Front Bed model has a fresh water tank
drain, a white petcock, under the trailer on the tank pan
in front of the roadside tires. It also has two water line
low-point drain valves located inside the pantry cabinet
behind the removable lower face panel. The panel is
held on by two pressure catches and can be removed
by pulling straight out on the panel.
The 25 ft. Front Bed, the 28 ft. Rear Bed, and the 27
ft. Front Bed models have two exterior water line low-
point drain valves, brass petcocks, extending from the
bottom of the exterior fresh water tank pan. A separate
white plastic petcock, located on the same pan, is to
drain the water tank.
The 30 ft. model has two low-point drain valves
accessed by removing the rear dinette seat cushion
and reaching through the hole cut in the seat bottom. It
has the fresh water tank drain, a white petcock, on the
exterior tank pan under the trailer.
The 30 ft. Bunk model has two exterior water low
point drain valves. These brass petcocks extend from
the bottom of the exterior fresh water tank pan. A
separate white plastic petcock on the same pan is to
drain the water tank. There is another valve for draining
the macerator toilet found in the bottom of the pantry
behind the false door housing that supports the furnace
vent.
Fresh Water Tank Draining
Pumping the water out with the self-contained water
pump can empty the fresh water tank. Simply turn on
the pump switch and open a couple of faucets until the
water will no longer drain out, or on all models except
the 19 ft., use the petcock-type drain valve located on
the freshwater tank pan described above. Be sure to
watch closely and turn the pump off when the tank runs
dry. Pump damage can occur if the pump runs dry for
more than a few minutes.
Water Heater Draining
All models have a drain plug or petcock on the water
heater. Access is from the exterior. The plug or valve is
usually located in the lower-left corner, viewed as you
face the exterior of the water heater.
Black and Gray Water Tanks 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. 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. 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.
1. Black Water (Main) Dump Valve
2. Light
3. Light Switch
4. Auxillary Tank Dump Valve
5. Drain Cap
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