SECTION 7 –
PLUMBING
7-12
Method 1 – Blow Out Procedure
(Drain and purge waterlines using
compressed air)
1.
Level the Motorhome.
If the motorhome is
not level, there may be “low points” in
waterlines that can trap water in the lines and
prevent it from draining properly.
2.
Drain Fresh Water Tank and Waterlines.
Open all waterline drain valves and drain
fresh water tank. (See “Water System Drain
Valve Locations” chart at the end of this
section for locations on your model).
3.
Drain Exterior Shower/Wash Station.
Open exterior shower knobs and lay shower
head on ground to drain any water left in the
shower line. Also, place the tip of your finger
into the Fresh Water Inlet and gently press the
backflow valve “button” in the center of the
inlet to drain any water trapped in the city
waterline.
4. Remove the filter canister from the Cold
Water Filtration System under the lavatory
sink and discard the filter cartridge.
After emptying the canister, remount it onto
the filter assembly and continue the Blow-Out
Procedure.
5.
Remove Full-Coach Water Filter.
Remove
the filter canister from the Full-Coach Water
Filtration System in the water service center
and discard the filter cartridge.
After emptying the canister, remount it onto
the filter assembly and continue the Blow-Out
Procedure.
6.
Open Faucets.
Turn on the water pump
switch and open all sink faucets and shower
head knobs. Leave open after water stops
flowing.
7.
Drain Toilet.
Press the toilet flush pedal (or
electric wall switch, if your motorhome is
equipped with an electric flush toilet) and hold
until water stops flowing in the toilet. Then
turn Water Pump switch off.
8.
Drain Residential Refrigerator
.
• Shut off water supply to the Ice Maker. The
water supply valve is located inside a galley
cabinet near the filter.
Using exterior shower to drain waterline
-Typical View
