Thor Motor Coach 2011 Avanti, Owner'S Manual

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Chassis – Run engine for 30 minutes once a month if possible. Prepare as outlined in the
Chassis Owner’s Manual.
Generator – Prepare as outlined in the Generator Owner’s Manual.
Plumbing Lines – Drain and protect by filling with approved RV antifreeze. (See pages 67
- 69)
Water Heater – Drain. (Pages 67 - 69)
Toilet – Drain. Hold pedal down and pour RV antifreeze into bowl.
Fresh Water Tank – Drain, pour RV antifreeze solution and run through the fresh water
system, or use the dry method. (pages 67 - 69)
Water Filter – Remove and discard the filter. Install diverter tube in place of filter
assembly.
Body – Clean and wax. Oil locks and hinges. Seal roof trim as needed.
Tires – Block up motorhome with wooden blocks or manufactured jack-stands on a hard
level surface to relieve the constant pressure on one area of the tires. Partially deflate the
tires. Cover to protect against sunlight with burlap, plywood or specially designed tire
covers which are available at RV dealerships.
Countertops and Cabinets – Wash with mild soap and water.
Curtains and Blinds – Close all the drapes and curtains, and protect the curtains from sun
fading by placing foil or paper between the windows and the curtains/blinds.
Windows – Close and lock. Inspect and reseal if necessary.
Holding Tanks – Drain and rinse. Close valves. Add a small amount of RV antifreeze to
keep valves and gaskets lubricated.
Drain Traps – Pour a cup of RV antifreeze down all drains. Wipe all fixtures clean.
Refrigerator – Clean. Leave both doors propped open. Cover exterior panels and roof
vents. Leave an opened box of baking soda inside the refrigerator to prevent any musty
odors from accumulating.
Ice Maker – Refer to your refrigerator owner’s manual for proper winterization
procedures.
Air Conditioner – Remove air filters and clean or replace. Cover shroud.
Roof – Must be kept clear of significant snow accumulation or damage may occur. Inspect
and reseal if necessary.
Vents – Check all furnace, refrigerator, range hood, A/C, etc. vents and close securely.
Cover or tape up to prevent mice or insects from building nests that can disturb the air
flow and keep the appliances from functioning properly.
Sinks and Showers – Clean and then pour one cup of nontoxic RV antifreeze into the
drains to prevent freezing. Wipe all fixtures clean.
Batteries – Add distilled water and recharge if necessary. If possible, remove batteries and
store them in a cool dry place (approximately 50 – 60° F). Check them periodically and
recharge as needed. Be sure that both the chassis and auxiliary (house) batteries have
Chapter 11 - Winter Use and Storage
WINTERIZATION
CHECKLIST