Fleetwood 1999 Discovery Parts And Service Manual page 145

01
Close holding tank drain valves, low point drain valves
and fresh water tank drain valve.
D
Pour approximately five gallons of approved non-toxic
antifreeze into the fresh water tank.
D
Turn the water pump master switch ON.
D
Open each cold water faucet, run the water pump and
let about a cup of antifreeze solution flow continuously
through each faucet. Close each cold water faucet.
D
Flush the toilet until the antifreeze solution flows con-
tinuously. Release flush mechanism.
D
Winterize the water heater according to the instructions
provided with the water heater operating manual.
Winterize the hot water lines by opening each hot
water faucet, allowing antifreeze solution to flow con-
tinuously, and then close each faucet. This will require
considerably more antifreeze solution, and you may
choose to do this step before winterizing the cold water
lines so you can recycle the solution.
I ..
J
When filling the plumbing systems with antifreeze, be
sure to open and operate all fixtures and valves allow-
ing the antifreeze solution to flow freely.
D
Pour one cup of antifreeze solution down each drain.
(Tub/shower, galley sink, bathroom sink, washer P-
trap)
I"
J
Install all protective caps:
Water tank fill
City water Inlet cap
Waste tank drain outlet cap
DiSCOVERY
"'I
NOTE
A bypass valve (see
Water Heater Bypass
Valve section in the
Appliance chapter) allows
the user to bypass the
water heater - allowing it to
be drained - to reduce the
amount of antifreeze
required to winterize the
fresh water system.