Airstream 2013 Classic Owner's Manual page 89

TANKS, IF FROZEN, COULD SERIOUSLY DAMAGE THE TANKS.)
12. Remove the cartridge of the water purifier and leave the purifier valve in
the open position. (If so equipped.)
13. Remove the batteries from your trailer and store in a cool dry place where
there is no danger of freezing. It is very important for optimum life of a battery
to check it periodically and to keep it fully charged.
14. Remove any items (food, cosmetics, etc.) from trailer interior that might be
damaged by freezing - or might damage the trailer if containers break.
CaUTiOn
Remove all RV anti-freeze spillage from all drain and
faucet parts after winterizing. Failure to do so could result in damage to the
plumbing fixture's finish.
For additional winterizing protection add a non-toxic antifreeze (approved for
drinking water system) to the water lines using the following procedure.
1. Reconnect all lines except the hose to the pump inlet port. Close all drain
valves.
2. Turn the water heater by-pass valve to by-pass position as shown on page
F-5.
3. Install a spare water purifier cartridge to be used specifically for winterizing.
This cartridge will have RV anti-freeze in it when finished and will be removed
and the clean cartridge reinstalled for normal use. Keep the spare cartridge
for future cold winterizing procedures.
4. Attach a length of hose to the pump inlet port. This piece of hose should
be long enough for the free end to be inserted into and reach the bottom
of the antifreeze container.
5. Dilute the antifreeze solution in accordance with the manufacturer's
instructions
6. Open all water faucets.
7. Insert hose length into the antifreeze container, turn the pump switch on,
and run the water pump until the antifreeze solution fills all water lines. Flush
toilet. Work hand shower spray while holding down in tub.
8. Shut off the pump and close all faucets.
9. Disconnect the hose length from pump inlet fitting and reconnect water
system inlet line.
F - 15
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