5. Close-up
________
 Subtask 38-12-00-614-053

 A. Depressurize the potable water system (Ref. TASK 38-10-00-614-002).
 Subtask 38-12-00-410-057

 B. Close Access
 (1) Make sure that the work area is clean and clear of tool(s) and other items.
 (2) Close the lavatory door.
 Subtask 38-12-00-862-054

 C. De-energize the ground service network
 (Ref. TASK 24-42-00-862-001).

 DISTRIBUTION - ADJUSTMENT/TEST
______________________________
 TASK 38-12-00-710-001
 Operational Test of the Potable Water-Distribution System (with the APU)
 NOTE : Only the operational test of the potable water-distribution system in a
____ lavatory/galley is given. The procedure is applicable to all the other lavatories/galleys.
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
12-15-38-613-001 Fill the Potable Water Tank System (Aircraft Electrical Power Available) 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power
 3. Job Set-up
__________
 Subtask 38-12-00-861-055
 A. Energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-861-002).

R **ON A/C 001-049, 051-099, 101-149, 201-299,
 Subtask 38-12-00-865-050
 B. Make sure that this(these) circuit breaker(s) is(are) closed: -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------2000VU WATER SYS - QUANT IND 1MA B01

R  **ON A/C 151-199, 301-399, 401-499,
 Subtask 38-12-00-865-050-A
 B. Make sure that this(these) circuit breaker(s) is(are) closed: -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------2001VU WATER SYS - QUANT IND 1MA B06
 **ON A/C ALL
 Subtask 38-12-00-010-054
 C. Make sure that the potable water shutoff valve in the lavatory/galley is open.
 Subtask 38-12-00-613-050
 D. Fill the potable water system (Ref. TASK 12-15-38-613-001).
 4. Procedure
_________
 Subtask 38-12-00-710-051

 A. Do this test
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. In the lavatory/galley  In the lavatory/galley - operate the water faucet. - water flows from the water faucet.
 5. Close-up
________
 Subtask 38-12-00-410-054

 A. Make sure that the work area is clean and clear of tool(s) and other items.
 Subtask 38-12-00-862-055
 B. De-energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-862-002).

 TASK 38-12-00-710-002
 Operational Test of the Potable Water-Distribution System (with a Ground Air-Supply Cart) NOTE : Only the operational test of the potable water-distribution system in a
____ lavatory/galley is given. The procedure is applicable to all the other lavatories/galleys.
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific ground air-supply cart
 No specific access platform 1.0 m (3 ft. 3 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R 12-15-38-613-001 Fill the Potable Water Tank System (Aircraft R Electrical Power Available) 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power
 3. Job Set-up
__________
 Subtask 38-12-00-861-052