To use air pressure to winterize your motorhome you will need access to
an air compressor and adapter to connect the air line to your water system.
Adapters can be found at any RV supply store. System pressure should not
exceed 50 psi. when hooked to the water lines. Higher pressure will damage
the lines.
1.
Remove the water filter elements from the filters and reassemble the fil-
ters without the elements (see “Water Filter”).
2.
Drain the fresh water tank by opening the valve located in the outside
water control service compartment of the motorhome.
3.
Open the water heater and the low-point drains. Turn knobs to open the
drains. Opening the low point drains clears the water out of the hot and
cold water lines. Leave the low-point valves open until you are ready to
use the motorhome again.
4.
Let all the water drain. Turn the pump on and allow it to run so that all
the water is cleared out of the pump and lines. Turn the pump off.
5.
After the water lines are drained, hook an air hose to the city water con-
nection located on the water control panel in the outside service com-
partment. Blow out the water lines until no further water can be seen
coming out of the drain lines. Do not exceed 50 psi in the water lines
and faucets.
6.
Open all faucets (including the outside spigot), one at a time while the
air is on, to clear water from the faucet supply lines. Do not forget to
drain your shower.
7.
While the air is on, hold the spray nozzle (located right next to the toi-
let) open until the water has quit running. Hold the toilet flush
pedal/handle down until the water has stopped running.
8.
Unhook the air hose and close the city water connection.
9.
You will need 1 gallon of RV antifreeze to protect various water drain
lines in your motorhome. Pour 1 pint into both the kitchen and bath
shower drains. Pour 2 pints into the bath sink drain, with some of the
antifreeze going into grey tank to protect the drain valve. While holding
down the flush pedal, pour another 3-1/2 pints into the toilet, letting the
antifreeze run into the black tank to protect the valve. Pour the last pint
of antifreeze into the toilet after you have released the flush pedal.
Micropher toilets may be stopped in the middle of the flush cycle.
Locate the on/off switch below the tank lid. Initiate the flush cycle then
turn the switch off in the middle of the flush cycle. Use a soft cloth to
wipe out the sinks and shower after you pour in the antifreeze to pro-
tect the surfaces from stains.
10.
Leave the low-point drains open until you are ready to use your
motorhome again.
WARNING: When draining the low point hot water drain lines and the water
heater, be sure the water is cool. Hot water from the lines can burn you.
Water Systems
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S I G N A T U R E
6 • 1 7 4
WINTERIZING
- Fresh Water System
Using Nontoxic
Antifreeze
Summary of Contents for SIGNATURE 2001 series
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