Lavatory Maintenance - PREVOST H3-41 Manual

CARE AND MAINTENANCE

LAVATORY MAINTENANCE

Draining and filling lavatory tanks should be
performed by maintenance personnel. Unless an
appropriate power source (110-120 VAC) is
available to connect the tank heating element
(optional), emergency draining of water tanks
must be performed in case of engine or heating
failure in freezing weather.
supervise the servicing when on the road. Refer
to " Coach Exterior" chapter under "110-120 Volt
Connector"
FRESH WATER RESERVOIR
FILLING
Plug the fresh water reservoir supply connector in
the quick-release male connector located over the
engine oil reserve tank. Fill the reservoir until the
overflow tube spills, indicating the reservoir is full.
SERVICES VALVES
Warning :
Never put antifreeze in fresh water
reservoir. Anti-freeze is toxic.
Caution :
Never leave water in fresh water tank
during freezing weather, unless heating element
is plugged to an external power source.
The driver should
7-10
FRESH WATER RESERVOIR
DRAINING
To drain fresh water reservoir, open drain valve
located near the quick-release couplings in the
engine compartment. Close valve when finished.
SUMP TANK DRAINING
SUMP TANK
To drain sump tank, unscrew cap a few turns and
pull on the drain hose slide valve T-handle
located under the sump tank. Flush tank and
pump cage with clean water.
Caution :
The lavatory should be serviced by
maintenance personnel after emergency draining.
Lavatory tanks should be serviced only at suitably
equipped stations.
SUMP TANK FILLING
Remove cap on sump tank.
gallons (9 liters) of antifreeze and two gallons of
water.
Caution :
Do not overfill sump tank.
Note :
The antifreeze solution in the sump tank
will be diluted by fresh water from the lavatory
sink. Regular maintenance of the sump tank is
required to prevent freezing.
CLEANING CABINET
A coiled hose located in the cleaning cabinet
above the toilet can be used during lavatory
cleaning. To use, connect a fresh water supply to
the "Hansen" quick-release coupling, identified as
"Cleaning Kit", located above the engine oil
reserve tank. Refer to the figure under "Fresh
Water Reservoir Draining" in this chapter.
To prevent freezing during cold weather, drain the
hose after every use. To drain the hose, uncoil
and open the nozzle near the lavatory floor drain.
Fill tank with 2