C. Expendable Parts
 -------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION |IPC-CSN
 -------------------------------------------------------------------------------
4 O-ring 28-26-05 04 -120 7 O-ring 28-26-05 04 -240 10 O-ring 28-26-44 01 -120 29 O-ring 28-26-05 04 -120
 D. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
12-11-28-650-003 Pressure Refuel with Automatic Control
 20-28-00-912-002 Electrical Bonding of Components With Conductive
 Bolts and Screws in the Tanks 28-00-00-000-001 Removal of the Fuel Pipes 28-00-00-400-001 Installation of the Fuel Pipes 28-10-00-910-001 Safety Procedures When You Do Work in a Fuel Tank 28-10-00-910-002 Access to the Fuel Tanks and the Work Areas 28-25-00-650-001 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
 28-26-00-710-001 Operational Test of the Main Transfer System

R 28-42-15-000-005 Removal of the Wing Tank Fuel-Quantity Probe (21QT1/2,23QT1/2,25QT1/2,26QT1/2,2 7QT1/2,28QT1/2,29QT1/2,30QT1/2,34QT1/2,54QT1/2,56QT1/ 2,59QT1/2,60QT1/2,61QT1/2) 28-42-15-400-005 Installation of the Fuel-Quantity-Probe (21QT1/2,23QT1/2,25QT1/2,26QT1/2,27QT 1/2,28QT1/2/,29QT1/2,30QT1/2,34QT1/2,54QT1/2,56QT1/2, 59QT1/2,60QT1/2,61QT1/2) 32-12-00-010-001 Open the Main Gear Doors for Access 32-12-00-410-001 Close the Main Gear Doors after Access 57-17-11-000-001 Removal of the Covers 147AZ (148AZ) 57-17-11-400-001 Installation of the Covers 147AZ (148AZ) 57-27-11-000-001 Removal of the Access Panel (540AB, 540BB, 540CB, 540DB, 540EB, 540FB, 540GB, 640AB, 640BB, 640CB, 640DB, 640EB, 640FB, 640GB) 57-27-11-400-001 Installation of the Access Panel (540AB, 540BB, 540CB, 540DB, 540EB, 540FB, 540GB, 640AB, 640BB, 640CB, 640DB, 640EB, 640FB, 640GB)
 1EFF : 301-399, 1 28-26-44Page 408 1 1 Feb 01/05 1 1 1CES 1 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------

28-26-44-991-001 Fig. 401
 3. Job Set-up
__________ Subtask 28-26-44-941-052
 A. Safety Precautions WARNING : OBEY THE SAFETY PROCEDURES WHEN YOU DO WORK IN A FUEL TANK.
_______
 (1)
 You must obey the fuel safety procedures (Ref. TASK 28-10-00-910-001) when you do work in a fuel tank.

 (2)
 Make sure that the safety barriers are in position.

 (3)
 Make sure that the warning notice is in position to tell persons not to operate the landing gear doors.

 Subtask 28-26-44-860-050
 B. Aircraft Maintenance Configuration
 (1)
 Make sure that the applicable fuel tank is defueled (Ref. TASK 28-25-00-650-001).

 (2)
 Make sure that the remaining fuel has been drained from the applicable fuel tank (Ref. TASK 28-25-00-650-003).

 (3)
 Make sure that the applicable MLG doors 734 (744) are open (Ref. TASK 32-12-00-010-001).

 (4)
 Make sure that the GROUND LOCK SLEEVE (460005835) is on the applicable MLG door actuating cylinder.

 (5)
 Make sure that the access platform is below the applicable access panel(s) 147AZ (148AZ), 540AB (640AB).

 (6)
 Make sure that the applicable access panels 147AZ (148AZ), 540AB (640AB) are removed (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-17-11-000-001), (Ref. TASK 57-27-11-000-001).

 (7)
 Make sure that the applicable spring-loaded surge-doors 540BZ (640BZ) are open and safetied with the HOOK-COVER (RIB2-SURGE DOORS).

 1EFF : 301-399, 1 28-26-44Page 409 1 1 May 01/04 1 1 1CES 1

 (8)
 Make sure that the applicable Fuel Quantity Indicating (FQI) probes have been removed (Ref. TASK 28-42-15-000-005).

 (9)
 Make sure that the applicable fuel pipes have been removed (Ref. TASK 28-00-00-000-001).

 Subtask 28-26-44-865-051
 C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU FUEL/L WING TK/PUMP2 SPLY 7QA N26 121VU FUEL/L WING TK/PUMP1 SPLY 1QA N23 121VU FUEL/R WING TK/PUMP2 SPLY 8QA Q26 121VU FUEL/R WING TK/PUMP1 SPLY 2QA Q23 121VU FUEL/CTR TK/AUTO/CTL 3QL R27 121VU FUEL/CTR TK/L&R XFR/CTL & IND 2QL R26 121VU FUEL/CTR TK/L&R XFR/CTL & IND 1QL R25 123VU L WING TK/PUMP 1/STBY SPLY 11QA AD12 123VU R WING TK/PUMP 1/STBY SPLY 12QA AE12
　
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