Airstream Excella 500 1973 Owner's Manual page 29

Water Drain Valves Galley
models one is located on the water heater
accessible through the exterior access
panel.
4. While the water is draining from the
system, open and flush the toilet flushing
valve. Depress hand spray thumb button
and hold the spray head below rim of the
toilet and drain the hand spray line. There
is danger of damage from freezing if water
remains in these lines and valves. Drain all
water from telephone showerhead flexible
hose.
5. Lower the front of the trailer as far as the
jack will allow until water ceases to drain,
then crank the jack up as high as it will go
and let any remaining water drain out the
rear drain valves.
6. After the water has stopped running from
the drain lines, apply air pressure, if
available, to the drain lines with all dram
r
• Water Heater
•
Trunk
•
Water Tank
>
V
J
Rear Bath
/
• Water Heater
• Under the Bed
Water Tank
■ s
>
V_ J
Center Bath
•Drain Valve Locations
valves and faucets still open. This will
force any remaining water from the water
heater and remove any water which may
be trapped in low areas.
7. Pour a cup of antifreeze (Glycol) into the
lavatory, sink, and tub drains to prevent
freezing of water in traps. 12.
8. Be sure to open the waste-holding tank
drain valve and drain and flush the tank
thoroughly. (This is very important as the
sewage in the tank, if frozen, could
seriously damage the tank.)
9. Remove the lower portion of the water
purifier, if your trailer is so equipped, and
drain the purifier.
10. Disconnect the inlet and outlet connec¬
tions of the water pump and turn the
pump by hand until all the water is
expelled.
11. It is very important for optimum life of
your battery to check it periodically and
to keep it fully charged. This is especially
true in winter months when the temper¬
ature may drop below freezing. Please
refer to the battery section for more
information on battery maintenance.
Remove any items (food, cosmetics, etc.)
from trailer interior that might be
damaged by freezing — or might damage
the trailer if containers break.
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