Plumbing
Systems
and
Holding
Tanks
CAUTION
Overfilling the fresh water tank from a pressurized
source
may
cause damage
to
the water system.
Monitor water tank
filling continually.
2. Gravity fill
-The
external gravity water fill
is located on the exterior
of
the motor
home. The on-board water tank can be
filled here. To fill the fresh water tank,
remove the cap, remove the vent plug, and
fill the tank using a potable water hose.
Fresh Water Tank Fill
Draining the Fresh Water Tank
Avoid leaving the water
in
the tank when the
motor home
is
not in use. Turn the water pump
OFF before draining the water tank. Whenever
possible, drain the fresh water tank before trav-
eling. Water in the tank will reduce the carrying
capacity
of
the motor home. See Motor
HOllie
Loading section
of
the
On
The
Road
chapter.
The main water tank
"quick-drain" valve
is
located on the end
of
the water tank.
I.IAIII
WATER
TAI/XOfWN
VAW.
07-2
Water Pump
The on-board fresh water system is pressurized
by a self-priming, 12-volt DC pump. The pump
operates automatically when the pump power
switch
is
ON and a faucet is opened. When the
faucets are closed, the pump shuts off. A fuse at
the load center panel protects the pump circuit.
It
can run dry for extended periods without dam-
age. See
Electrical Systems chapter.
Turn the pump master switch
ON to pressurize
the system. When a faucet
is
opened after the
initial filling
of
the tank, the water may sputter
for a few seconds. This is normal and is not
cause for concern. The water flow will become
steady when all air
is
bled from the water lines.
Water Pump Filter
Dirt, mineral scale, and organic matter are fil-
tered out
of
the fresh water system by an in-line
water filter on the inlet side
of
the water pump.
If
you suspect a clogged filter, it
is
easily
removed and cleaned.
Inspect the filter after running the first full tank
of
water. Clean and inspect monthly thereafter.
The filter is located in the utility compartment
behind the service panel.
The water pump filter should be serviced when
the fresh water tank
is
empty. Water may con-
tinue to drain from the water tank when the fil-
ter is removed for service.
1.
Loosen the clamp at the inlet end
of
the filter.
2. Pull the water line off the filter.
3. Unscrew the filter from the water pump.
4. Turn each end
of
the filter and pull apart.
5. Flush out and clean screen.
6.
Reverse procedure to install.
7. Operate the water pump and check for
leaks.
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