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 WARNING : MAKE SURE THAT THE WATER TANK IS DEPRESSURIZED._______
 1. Reason for the Job__________________
 Self Explanatory
 2. Job Set-up Information______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific  access platform 2 m (6 ft. 7 in.)
 B. Expendable Parts
 -------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
10  cotter pin  38-14-02 03A-050
 C. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R R R R R  12-15-38-613-001 12-24-38-680-001 12-24-38-680-002 24-42-00-862-001 38-14-00-710-001 52-30-00-860-001  Fill the Potable Water Tank System (Aircraft Electrical Power Available) Draining of the Potable Water System (with Electrical Power) Draining of the Potable Water System (without Electrical Power)De-energize the Ground Service Network Supplied from the External Power Operational Test of the Potable Water Drain-SystemOpen the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump

 

 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
52-30-00-860-002  Close the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump
 38-14-41-991-002  Fig. 401
 3. Job Set-up
__________
 Subtask 38-14-41-860-051

 A. Aircraft Maintenance Configuration
 (1) Make sure that the ground service network is energized
 (2) Make sure that the potable water tank and potable water lines R (Ref. TASK 12-24-38-680-001) or (Ref. TASK 12-24-38-680-002) are R drained.
 Subtask 38-14-41-010-056
 B. Get Access
 (1)
 Make sure that the access platform in position at the FWD cargo-compartment door 825.

 (2)
 Make sure that the FWD cargo-compartment door 825 (Ref. TASK 52-30-00-860-001) is open.

 (3)
 Make sure that the CARGO COMPT LIGHT switch 6LU to ON position is set.

 (4)
 Make sure that in the FWD cargo compartment, the sidewall panel 131HW is removed.

 (5) Make sure that the insulation blanket from the valve (3) is removed. Subtask 38-14-41-865-054
 C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------
PANEL DESIGNATION  IDENT. LOCATION
 -------------------------------------------------------------------------------
124VU SVCE/601PP/602PP/SPLY  1PX BB01

 4. Procedure
_________

 (Ref. Fig. 401/TASK 38-14-41-991-002) Subtask 38-14-41-420-051
 A. Installation of the Drain Valve
 (1)
 Remove the blanking plugs from the disconnected line ends.

 (2)
 Install the valve (3) on its support (6). NOTE : Make sure that the lever of the valve (3) is in the SHUT

____
 position.

 (3)
 Install the washers (2) and the screws (1).

 (4)
 Connect the pipe (4) to the valve (3).

 (5)
 Connect the hose (11) to the valve (3).

 (6)
 Install the linkage (8) on the valve (3).

 (7)
 Install the pin (7), the washer (9) and the new cotter pin (10).

 (8)
 Remove the blanking caps from the electrical connectors.

 (9)
 Make sure that the electrical connectors are clean and in the correct condition.

 (10) Connect the electrical connector (5) to the valve (3).
 5. Close-up
________ Subtask 38-14-41-865-055
 A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1PX
 Subtask 38-14-41-613-053
 B. Fill the potable water tank (Ref. TASK 12-15-38-613-001).

 Subtask 38-14-41-710-051

 C. Do the operational test of the Drain Valve (4MP) (Ref. TASK 38-14-00-710-001).
 Subtask 38-14-41-410-052
 D. Close Access
 (1)
 Install the insulation blanket on the valve (3).

 (2)
 Make sure that the work area is clean and clear of tool(s) and other items.
　
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