-
the CTR TK PUMPS 1 P/BSW OFF lightgoes off

 -
the CTR TK PUMPS 1 P/BSW FAULT light comes on momentarily

-
the CTR TK PUMPS 2 P/BSW OFF lightgoes off

 -
the CTR TK PUMPS 2 P/BSW FAULT light comes on momentarily.

-
the CTR TK PUMPS 1 P/BSW OFF lightcomes on

-
the CTR TK PUMPS 2 P/BSW OFF lightcomes on.

-
the MODE SEL P/BSW MAN light comes on.

R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-21-51Page 431 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1

 5. Close-up
________ Subtask 28-21-51-410-050
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Close the applicable access door on the access panel 195AB(196AB).

 -
FOR 37QA
 close 195BB

 -
FOR 38QA
 close 196BB.

 Subtask 28-21-51-860-053
 B. Aircraft Maintenance 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).

 (2)
 De-energize the aircraft electrical network (Ref. TASK 24-41-00-862-002).

 Subtask 28-21-51-942-053
 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.

R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-21-51Page 432 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1R CANISTER - FUEL PUMP (1QM,2QM,3QM,4QM,84QM,85QM) - REMOVAL/INSTALLATION

_______________________________________________________________________ TASK 28-21-52-000-001 Removal of the Fuel Pump Canister 1QM(4QM) WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______
 START A TASK ON OR NEAR:

 -
THE FLIGHT CONTROLS

 -
THE FLIGHT CONTROL SURFACES

 -
THE LANDING GEAR AND THE RELATED DOORS

 -COMPONENTS THAT MOVE. WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
 GEAR.

 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 safety barriers
 No specific access platform 2.8 m (9 ft. 2 in.)
 98D57004014000 1 HOOK-COVER (RIB2-SURGE DOORS)

 1EFF : ALL 1 28-21-52Page 401 1 1 May 01/04 1 1 1CES 1 B. Referenced Information

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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
 28-00-00-000-001 28-10-00-910-001 28-10-00-910-002  Removal of the Fuel PipesSafety Procedures When You Do Work in a Fuel TankAccess to the Fuel Tanks and the Work Areas
 28-21-43-000-002 28-21-45-000-001 28-21-51-000-001 28-25-00-650-001  Removal of the Fuel-Pump Check-Valve 149QM(152QM), 150QM(151QM)Removal of the Sequence ValveRemoval of the Fuel Pumps 21QA(26QA) and 25QA(22QA)Pressure Defuel
 28-25-00-650-003  To Drain Remaining Fuel from the Wing Tanks and the Center Tank
 28-25-00-869-001  Fuel Transfer
 31-60-00-860-001  EIS Start Procedure
 57-27-11-000-001  Removal of the Access Panel (540AB, 540BB, 540CB, 540DB, 540EB, 540FB, 540GB, 640AB, 640BB, 640CB,
 640DB, 640EB, 640FB, 640GB)

 **ON A/C 001-049, 051-061, 101-103, 201-203,
 28-21-52-991-001 Fig. 401
 **ON A/C 301-399,
 28-21-52-991-001-B Fig. 401A
R  **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499, Post SB 28-1077 For A/C 001-049,051-061,101-103,201-203, 28-21-52-991-001-A Fig. 401B
 1EFF : ALL 1 28-21-52Page 402 1 1 Aug 01/05 1 1 1CES 1 **ON A/C ALL

 3. Job Set-up
__________
 Subtask 28-21-52-941-058
　
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