PREVOST X3-45 Multiplex, Руководство по обслуживанию

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Section 23: ACCESSORIES
PA1562
17
6.5 LAVATORY LIGHT
The lavatory light is installed on ceiling. A
microswitch, which is mounted inside the latch
housing, is activated by the door lock
mechanism upon locking to energize the circuit.
This switch is readily serviced by removing the
four Phillips-head screws securing the housing
to the door interior frame.
Proceed as Section 06, Electrical System,
Dome, Rear Roof and Lavatory Lights " for lights
replacement.
6.6 LAVATORY
NIGHT-LIGHT
The lavatory night-light is illuminated as soon as
the ignition switch is set to the
"ON" position.
See Section 06, Electrical System, “ Parcel Rack
/ Lavatory Night Light - "Bulb Removal and
Replacement
" for lights replacement.
6.7 EMERGENCY BUZZER
The lavatory emergency buzzer is mounted on
the inner curb side wall of lavatory and sounds
when the emergency call push-button switch in
the lavatory compartment is activated. For
specific wiring information, refer to wiring
diagrams. To remove the emergency call push-
button switch, proceed as follows:
1. Remove both phillips-head screws retaining
pushbutton switch plate to wall.
2. Remove steel plate located on L.H. side of
pushbutton switch.
3. Remove switch through this opening, taking
care to disconnect electric wires.
6.8 FRESH WATER TANK
One panel allows access to the fresh water tank.
It is located behind the toilet mirror. Remove the
tank as follows:
1. Remove the mirror.
2. Remove the fresh water tank tubing, bolts,
and different connectors.
3. Remove the tank from the wall.
4. Reverse previous steps to reinstall fresh
water tank assembly on vehicle.
6.8.1 Fresh Water Tank Draining
The fresh water tank can be drained by simply
opening the fresh water drain cock (Fig. 25). Don’t
forget to close cock when draining is done.
NOTE
The fresh water reservoir is equipped with a
thermal valve which is set to open at about
35
o
F, thereby automatically draining the
reservoir in near-freezing temperatures.
Routine draining and filling of lavatory tanks
should be performed by maintenance personnel
only. If engine or heating failure occurs in extreme
weather conditions, emergency draining of water
tanks should be performed under the most
suitable conditions and should at all times be
supervised by driver.
FIGURE 25: F/W TANK SERVICE VALVES
23378
1............................. Fresh water tank fill connection
2...............................Main sump tank fill connection
3...............................Main sump tank overflow cock
4.................................Cleaning kit hose connector
5................................... Main sump tank drain valve
6...................................Fresh water tank drain cock
7...........................Auxiliary sump tank access cap
8............................. Auxiliary sump tank drain valve