-
a fill/drain port for the potable water,
-the fill/drain control handle,
-a water quantity indicator (Ref. AMM 38-13-00),
R Water Storage System - Component Location Figure 001A
R 1EFF : 151-199, 301-399, 401-499, 1 38-11-00Page 4 1 1 Aug 01/05 1 1 1CES 1
R Potable-Water System Service-Panel - Component Location. Figure 002
1EFF : 001-049, 051-099, 101-149, 201-299, 1 38-11-00Page 5 1 1 Aug 01/05 1 1 1CES 1
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the control light 2MP for the motorized drain valve 4MP,
-
the control light 12MP for the motorized drain valve 14MP,
-
the control light 6MP for the motorized overflow valve 8MP,
-
the limit switch 5MA,
-
the limit switch 3MP,
-
the limit switch 5MP.
When the door 171AL of the service panel 2023VU is opened, the limit
switch 5MA switches on the quantity indicating system (Ref. AMM
38-13-00).
When the control handle 3254MM is selected to the "DRAIN" position it
operates:
-
the fill/drain valve 16MA,
-
the limit switch 3MP.
The limit switch 3MP is then energized and operates:
-
the motorized drain valve 14MP,
-
the motorized overflow/ventilation valve 8MP,
-
the motorized drain valve 4MP.
When the control handle is selected to the "FILL" position the limit
switch 5MP operates the overflow valve 8MP.
Placards are installed adjacent to all the service panel connections and the fill/drain control handle to identify their operation.
R **ON A/C 151-199, 301-399, 401-499,
A. Potable Water is kept in the water storage system. (Ref. Fig. 002A) You fill the potable water tank from the potable-water service panel-2023VU. The potable-water service panel is located in the left-hand lower fuselage, between FR65 and FR66. The panel contains:
-
a connection for the ground air-pressure unit,
-
a heated fill/drain port for the potable water,
-
a heated overflow drain port for the potable water,
-
the fill/drain and overflow control handle,
-
the quantity indicator 6MA,
-
the tank full control light 10MA,
-
the control light 2MP for the motorized drain valve,
-
the limit switch 3MP,
-The door microswitch 5MA. When the door of the service panel is opened, the microswitch 5MA switches on the quantity indicating system. Limit switch 3MP closes to energize and open the motorized drain valve when the service-panel control handle is selected to DRAIN. The motorized drain valve and its panel are in Zone 133. Placards are installed adjacent to all the service panel connections and the fill/drain and overflow control handle.
R Potable-Water System Service-Panel - Component Location Figure 002A
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4. Component Description
_____________________
**ON A/C 001-049, 051-099, 101-149, 201-299,
A. Water Tank 3000MM The potable water tank is installed in the pressurized underfloor area of the RH fuselage, behind the forward cargo compartment. It is made of Glassfiber Reinforced Plastic (GFRP). It is strengthened to accept the rated pressure for the potable water system of between 22 and 25 psi (1.5 and 1.72 bar). The tank has a capacity of 200 l (53 USgal). The tank is assembled with:
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