Care and Maintenance 8-7
PA-1628Operator's ManualH3-45 COACH
clockwise until the rubber bladder seals the drain
hole. Reinstall both caps.
CAUTION
Lavatory tanks should be serviced only at suitably
equipped stations.
NOTE
It is unlawful to dump lavatory waste water tank
contents in any location other than those
designated as such.
When a complete tank draining is required, clean
main tank by repeating the draining and filling
operations while leaving the auxiliary lavatory waste
water tank drain valve opened. Close valves and
drop in a packet of commercial toilet deodorant
(Prevost part #900329) in toilet before starting final
filling of the main tank.
WARNING
The toilet deodorant contains compounds which
can be very irritating to skin. Use rubber gloves
when handling and then clean toilet seat.
CAUTION
When cold weather is expected, both lavatory
waste water tanks must be drained if the coach is
parked overnight or for an extended period of time.
NOTE
Due to the heat it produces, there is less risk of
freezing in the tanks when the engine is operating.
NOTE
New coaches are delivered with the sump and
fresh water tanks empty. Fill with water before put-
ting the coach in service.
FRESH WATER RESERVOIR
LAVATORY COUPLING & DRAIN VALVE
Water from the fresh water reservoir supplies the
washbasin in the lavatory.
WARNING
Do not drink water from the fresh water reservoir
Filling The Fresh Water Reservoir
Connect the fresh water supply hose to the fresh
water reservoir fill connection located in the curb-
side engine compartment. The fresh water tank
contains about 17 gallons (66 liters). Fill the reservoir
until the overflow tube leaks, signaling that the
reservoir is full.
WARNING
Never put antifreeze in fresh water reservoir.
Antifreeze is toxic
WARNING
If reservoir has not been drained for an extended
period of time, draining and filling operations must
be repeated three (3) times in order to clean
reservoir and eliminate contaminated water.
Draining The Fresh Water Reservoir
The fresh water reservoir can be drained by simply
opening the drain cock. Don’t forget to close the
cock when draining is complete.
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