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WINTER STORAGE
Winter Storage Recommendations
1. Level the unit – front to rear and side to side.
2. Remove bottled and canned goods and other items
that could be damaged by freezing.
3. Open all the faucets, valves and drains (including the
toilet stool valve), water heater drain and line drain.
4. Run demand pump till water stops flowing from
faucets. Shut pump off immediately. Allow drains,
faucets and valves to remain open for several hours
or blow all extra water out with air. Be sure lines are
empty.
5. Close all faucets, valves and drains.
6. It is a good idea to use an antifreeze solution for
potable water for more positive protection. Do not
use automotive type antifreeze.
7. Before using vehicle again, you may want to sanitize
the system.
8. Completely drain holding tanks.
9. Flush sink, shower-tub, lavatory and stool with a
solution of hot water and dish soap. Allow to fully
drain and flush with clean hot water.
10. If possible, agitate the water in the holding tanks by
driving a few miles, then drain tanks again.
11. An alternate to step #9 is to use a chemical deodorant.
Let mixture stand for a few days, then drain.
12. Flush with fresh water, drain, and after tanks are dry,
close dump valves and drain cap.
13. Fill traps with an antifreeze approved for use in
ABS plastic pipes. Normally, a cupful per trap is
adequate. Do not use an antifreeze solution with an
alcohol base.
14. Turn the thermostat off.
15. Put graphite in all the locks and lubricate all door
hinges.
16. Close all windows and roof vents.
Winterizing the Water Pump
With the water drained from the potable water tank,
disconnect the water pump outlet hose and then turn
the pump on to allow the remaining water to be pumped
out (less than one cup).
NOTICE
DRAINING THE WATER SYSTEM ALONE MAY NOT BE ENOUGH TO
PROVIDE COMPLETE COLD WEATHER PROTECTION FOR AN RV UNIT
THAT WILL BE STORED IN AN UNHEATED ENVIRONMENT WHERE
TEMPERATURES DROP BELOW FREEZING. CONSULT YOUR DEALER
FOR MORE INFORMATION ON THE BEST METHOD OF WINTERZING
YOUR VEHICLE.
If you desire, you can blow out the water lines with
compressed air by opening all valves and placing the
air nozzle into the system where the outlet hose has
disconnected. Replace pump hose.
Water System Winterizing
1. Drain the fresh water tank.
2. Drain pipes by turning the water pump ON and
opening a cold water faucet. Wait for the water flow
to stop. Turn pump OFF. Leave faucets OPEN.
3. Turn ON all faucets.
4. OPEN the WATER HEATER drain valve located at
the bottom of the heater (or remove plug). Let the
water drain out. OPEN the heater SAFETY VALVE.
5. Bypass the water heater.
6. Use the siphon hose to add RV anti-freeze to your
system, or use air-pressure to remove all remaining
water from the system.
7. After each faucet has been opened, drained, and
closed, CLOSE the WATER LINE DRAIN VALVES.
8. Drain the WASTE WATER HOLDING TANK.
9. Double check that ALL WATER has been drained.
10. Some water may remain in the fresh tank. This will
not damage the tank.
WARNING
DO NOT USE AUTOMOTIVE ANTI-FREEZE OR WINDSHIELD WASHER
FLUID ANTI-FREEZE IN THE VEHICLE’S WATER SYSTEM. THESE CAN
BE HARMFUL OR FATAL IF SWALLOWED. YOUR DEALER CAN PROVIDE
YOU WITH SPECIAL ANTI-FREEZE THAT IS SAFE AND APPROVED FOR RV
WATER SYSTEMS. ALWAYS FOLLOW MANUFACTURER’S INSTRUCTIONS
FOR THESE ADDITIVES
Water Heater Bypass
To bypass the water
heater, turn the top and
bottom valves off and the
middle valves on.
Water Heater Bypass
(One Valve System)
Summary of Contents for 2014 Bighorn
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