(2)
 On the service panel 2023VU:

 -turn the FILL/OVERFLOW/DRAIN handle to the PULL TO FILL position,
 -then pull it out to the mechanical stop.

 (3)
 Operate the water service vehicle and fill the potable water tank until water comes from the POTABLE WATER OVERFLOW port.

 (4)
 Stop the water service vehicle.

 (5)
 Push in and then turn the FILL/OVERFLOW/DRAIN handle to the NORMAL position.

 (6)
 Disconnect the hose of the water service vehicle from the fill and drain port.

 (7)
 Clean and dry the service panel and the adjacent area.

 (8)
 Visually examine the connections for leaks. Leaks are not permitted.

 (9)
 Close the fill and drain port on the service panel. NOTE : If the servicing is done in cold weather conditions, the FILL

____ AND DRAIN port should be left open as long as possible to drain the residual water from the fill and drain line.

 **ON A/C ALL

 5. Close-up
________
 **ON A/C 001-049, 051-099, 101-149, 201-299,

 Subtask 12-15-38-410-051
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Close the access panel 171AL.

 (3)
 Close the access panel 192NB. NOTE : Make sure that the latches are correctly locked and that the

____ door makes a continuous surface with the skin of the aircraft.

 (4)
 Remove the ground support and maintenance equipment, the special and standard tools and all other items.

R **ON A/C 151-199, 301-399, 401-499,
 Subtask 12-15-38-410-051-A
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Close the access panel 171AL. NOTE : Make sure that the latches are correctly locked and that the

____ door makes a continuous surface with the skin of the aircraft.

 (3)
 Remove the ground support and maintenance equipment, the special and standard tools and all other items.

 TOILET SANITARY FLUID - DESCRIPTION AND OPERATION
_________________________________________________
 1.
 General

_______
 This section gives the instructions for the servicing of the toilet system.

 2.
 Description

___________
 To drain flush and fill the toilet system (Ref. TASK 12-16-38-613-001).

 LAVATORY ARTICLE - SERVICING
____________________________
 TASK 12-16-25-613-001
 Servicing of the Liquid Soap Dispenser
 1. Reason for the Job__________________
 Self Explanatory
 2. Job Set-up Information______________________ 
R  A. Fixtures, Tools, Test and Support Equipment 
R R R  -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
R  No specific  1 FUNNEL 
R  B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R R R  No specific No specific No specific Material No. 19-003  liquid soapliquid soap PN 83-182 - Supplier CWF Chemie Frankfurt GmbH. weak liquid soap USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)

 C. Referenced Information

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from the External Power
 **ON A/C 001-003, 051-052,
 12-16-25-991-001 Fig. 301
 **ON A/C 004-049, 053-099, 101-105, 151-199, 201-228, 301-302,

 12-16-25-991-001-A Fig. 301A R **ON A/C 106-149, 229-299, 303-399, 401-499,
R  12-16-25-991-001-B Fig. 301B **ON A/C ALL
 3. Job Set-up
__________
 Subtask 12-16-25-861-050

 A. Aircraft Maintenance Configuration
 (1) Energize the ground service network
 (Ref. TASK 24-42-00-861-001).

 4. Procedure
_________
 CAUTION : DO NOT USE INDUSTRIAL HAND CLEANERS, NATURAL SOAPS AND CLEANING
　
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