R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-16-42Page 411 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1R **ON A/C ALL

 Subtask 28-16-42-710-050-A
 C. Operational Test
 (1) Do a leak check of the applicable check valve (Ref. TASK 73-11-50-360-002).
 5. Close-up
________
 Subtask 28-16-42-410-050

 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the applicable access panels:

 -
FOR 122QM
 install 471BL

 -
FOR 123QM
 install 482BR.

 Subtask 28-16-42-650-052
 B. Fuel Configuration
 (1) Refuel, defuel or transfer fuel as necessary (Ref. TASK 12-11-28-650-003), (Ref. TASK 28-25-00-650-001) or (Ref. TASK 28-25-00-869-001).
 Subtask 28-16-42-942-050
 C. Removal of Equipment
 (1)
 Remove the safety barriers.

 (2)
 Remove the warning notice(s).

 (3)
 Remove the access platform(s).

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

 1EFF : ALL 1 28-16-42Page 412 1 1 Feb 01/02 1 1 1CES 1 1EFF : 301-399, 1 28-16-42Page 413 1 1 May 01/04 1 1 1CES 1R B. Referenced Information

R  **ON A/C 301-399, 
R  TASK 28-16-42-000-002 
R  Removal of the Check Valve 222QM(223QM), 224QM(225QM) 
R  WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU_______ 
R  START A TASK ON OR NEAR: 
R  - THE FLIGHT CONTROLS 
R  - THE FLIGHT CONTROL SURFACES 
R  - THE LANDING GEAR AND THE RELATED DOORS 
R  - COMPONENTS THAT MOVE. 
R  WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING_______ 
R  GEAR. 
R  1. Reason for the Job__________________ 
R  Self Explanatory 
R  2. Job Set-up Information______________________ 
R  A. Fixtures, Tools, Test and Support Equipment 
R  -------------------------------------------------------------------------------
R  REFERENCE  QTY DESIGNATION 
R  -------------------------------------------------------------------------------
R  No specific  blanking plugs 
R  No specific  circuit breaker(s) safety clip(s) 
R  No specific  safety barriers 
R  No specific  access platform 2.8 m (9 ft. 2 in.) 
R  98D57004014000  1 HOOK-COVER (RIB2-SURGE DOORS)

R -------------------------------------------------------------------------------R REFERENCE DESIGNATION R -------------------------------------------------------------------------------
R 28-10-00-910-001 R 28-10-00-910-002 R 28-25-00-650-001 R 28-25-00-650-003 R R 57-27-11-000-001 R R R 28-16-42-991-002
R 3. Job Set-up
__________
R Subtask 28-16-42-941-055
R A. Safety Precautions Safety Procedures When You Do Work in a Fuel Tank Access to the Fuel Tanks and the Work Areas Pressure Defuel To Drain Remaining Fuel from the Wing Tanks and the Center Tank Removal of the Access Panel (540AB, 540BB, 540CB, 540DB, 540EB, 540FB, 540GB, 640AB, 640BB, 640CB, 640DB, 640EB, 640FB, 640GB) Fig. 402

R  WARNING : OBEY THE SAFETY PROCEDURES WHEN YOU DO WORK IN A FUEL TANK._______
R (1) You must obey the fuel safety procedures (Ref. TASK 28-10-00-910-001)
R  when you do work in a fuel tank.
R (2) Put the safety barriers in position.
R Subtask 28-16-42-860-052
R B. Fuel Configuration
R (1) Defuel the applicable fuel tank (Ref. TASK 28-25-00-650-001).
R (2) Drain the remaining fuel from the applicable fuel tank (Ref. TASK 28-
R  25-00-650-003).
 1EFF : 301-399, 1 28-16-42Page 414 1 1 May 01/04 1 1 1CES 1 1EFF : 301-399, 1 28-16-42Page 415 1 1 May 01/04 1 1 1CES 1

R  Subtask 28-16-42-865-053 
R  C. Open, safety and tag this(these) circuit breaker(s): 
R  -------------------------------------------------------------------------------
R  PANEL DESIGNATION IDENT. LOCATION 
R  -------------------------------------------------------------------------------
R  121VU FUEL/L WING TK/PUMP2 SPLY 7QA N26 
R  121VU FUEL/L WING TK/PUMP1 SPLY 1QA N23 
R  121VU FUEL/R WING TK/PUMP2 SPLY 8QA Q26 
R  121VU FUEL/R WING TK/PUMP1 SPLY 2QA Q23 
R  123VU L WING TK/PUMP 1/STBY SPLY 11QA AD12 
　
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