-warm water flows into the washbasin.
-the water temperature increases to
39.0 +5 -5 DEG.C (102.20 +9.00 -9.00 DEG.F).
In the lavatory:
-the water heater operates.
-warm water flows into the washbasin.
-the water temperature increases to
39.0 +5 -5 DEG.C (102.20 +9.00 -9.00DEG.F).
In the lavatory:
-
the water heater does not operate
-
the indicator light stays on.
NOTE : The Water Low level-Sensor (in
____ the tank of the water heater) will de-energize the heating circuit (when the water level falls below the sensor), but the indication light will stay on.
Subtask 38-12-00-210-053
B. Examine the work area and make sure that there are no leaks.
NOTE : Leaks are not allowed.
____ Subtask 38-12-00-613-055
C. If necessary fill the potable water system (Ref. TASK 12-15-38-613-001).
5. Close-up
________ Subtask 38-12-00-410-053
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the sanitary cabinet door.
(3) Close the lavatory door. Subtask 38-12-00-862-053
B. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
1EFF : ALL 1 38-12-00Page 512 1 1 May 01/04R 1 1 1CES 1
VALVE - POTABLE WATER - REMOVAL/INSTALLATION
____________________________________________
TASK 38-12-14-000-001
Removal of a Potable Water-Shutoff Valve
NOTE : The removal of the shutoff valve is the same in all the lavatories.
____
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
No specific 1 CONTAINER 1 L (1/4 USGAL)
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
R 25-45-22-000-001 Removal of the Toilet Shroud and the Seat 38-10-00-614-002 Depressurization of the Potable Water System
**ON A/C 001-003, 051-052,
38-12-14-991-001 Fig. 401 R **ON A/C 004-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
38-12-14-991-001-A Fig. 401A **ON A/C ALL
3. Job Set-up
__________
Subtask 38-12-14-861-050
A. Energize the aircraft electrical circuits
Subtask 38-12-14-614-051
B. Depressure the potable water system (Ref. TASK 38-10-00-614-002).
**ON A/C 001-049, 051-099, 101-149, 201-299,
Subtask 38-12-14-865-053-B
C. Open, safety and tag this(these) circuit breaker(s): -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------
2000VU WATER SYS - QUANT IND 1MA B01 2001VU WATER SYS - DRAIN 1MP B05
R **ON A/C 151-199, 301-399, 401-499,
Subtask 38-12-14-865-053-A
C. Make sure that this(these) circuit breaker(s) is(are) closed: -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------
2001VU WATER SYS - QUANT IND 1MA B06 2001VU WATER SYS - DRAIN 1MP B05
R **ON A/C 001-003, 051-052,
R Subtask 38-12-14-010-051-B
R D. Get Access
R (Ref. Fig. 401/TASK 38-12-14-991-001)
R (1) Get access to the passenger cabin.
R (2) Open the door of the lavatory.
R (3) Remove the toilet shroud (Ref. TASK 25-45-22-000-001).
R (4) Put a CONTAINER 1 L (1/4 USGAL) below the shutoff valve (4).
R **ON A/C 004-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
Subtask 38-12-14-010-051
D. Get Access
R
R (Ref. Fig. 401A/TASK 38-12-14-991-001-A)
R
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