Winnebago GRANDTOUR 2017 Operator's Manual page 115

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Diverter Plug
1b. If Equipped with Culligan Cold Water
Filter: Remove the filter canister from the
Cold Water Filtration System under the galley
sink and discard the filter cartridge.
After emptying the canister, remount it onto
the filter assembly and continue the
Antifreeze Fill Procedure.
2. Remove the filter canister from the Full-
Coach Water Filtration system in the water
service center and discard the filter cartridge.
After removing filter, remount the empty
canister onto the filter assembly and continue
the antifreeze fill procedure.
3. Turn Winterization Valve 2 to the "Winterize"
position.
Winterization Valve 2
(Located near water pump - second
compartment on driver side of coach)
4. Remove and save the protective cap from the
end of the antifreeze siphon tube (which
connects to Winterization Valve 2). Insert the
end of the siphon tube into a pail or other
container with 2 to 5 gallons of non-toxic RV
antifreeze solution.
RV Antifreeze Siphon Tube
(Located in the third compartment on
passenger side of coach)
• Insert into container of RV water system
antifreeze
NOTE: Ensure that all drain valves are
CLOSED before pumping RV antifreeze
into the water system.
Refer to the "Water System Drain Valve
Locations" chart at the end of this
section for valve locations on your
model.
SECTION 7 –
PLUMBING
.
7-17

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