(5)
 Remove the access panel 147AZ, (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-17-11-000-001).

 (6)
 Remove the wing access panel 540AB, (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-27-11-000-001).

 (7)
 Open the surge door 540BZ, to get access to the bolts (1) of the overpressure protector (4).

 (8)
 Install the HOOK-COVER (RIB2-SURGE DOORS) (98D57004014000) to hold the surge door open.

 4. Procedure
_________
 (Ref. Fig. 403/TASK 28-12-41-991-005) Subtask 28-12-41-020-052
 A. Removal of the Overpressure Protector 96QM.
 (1)
 Remove the bolts (1).

 (2)
 Remove the overpressure protector (4).

 (3)
 Remove and discard the O-ring (3).

 1EFF : ALL 1 28-12-41Page 423 1 1 Nov 01/99R 1 1 1CES 1

 TASK 28-12-41-400-003
 Installation of the Overpressure Protector 96QM
 WARNING : MAKE SURE THAT THE FLIGHT CONTROL SAFETY-LOCKS AND THE WARNING
_______
 NOTICES ARE IN POSITION.

 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 safety barriers
 No specific access platform 2.0 m (6 ft. 7 in.)
 No specific access platform 2.5 m (8 ft. 2 in.)

 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 01-001 USA ASTM-D-1655-93 (JET A-1) FUEL, TURBO (Ref. 20-31-00) Material No. 09-007 USA MIL-S-4383 BRUSHABLE FUEL RESISTANT COATING (Ref. 20-31-00) Material No. 11-026 GB DEF-STAN 68-148/1 R SOLVENT GENERAL PURPOSE (Ref. 20-31-00) Material No. 19-003 USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)
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 C. Expendable Parts
 -------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
3  O-ring  28-12-05 02 -020
 D. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
R R R R R R R  12-11-28-650-003 12-11-28-650-005 20-28-00-912-002 24-41-00-861-002 24-41-00-862-002 28-10-00-910-001 28-10-00-910-002 28-25-00-650-001 28-25-00-650-003 28-25-00-869-001 31-60-00-860-001 31-60-00-860-002 32-12-00-010-001 32-12-00-410-001 57-17-11-000-001 57-17-11-400-001 57-27-11-000-001 57-27-11-400-001 28-12-41-991-005  Pressure Refuel with Automatic Control Pressure Refuel without Electrical PowerElectrical Bonding of Components With Conductive Bolts and Screws in the Tanks Energize the Aircraft Electrical Circuits from the External Power De-energize the Aircraft Electrical Circuits Supplied from the External PowerSafety Procedures When You Do Work in a Fuel TankAccess to the Fuel Tanks and the Work AreasPressure DefuelTo Drain Remaining Fuel from the Wing Tanks and the Center TankFuel Transfer EIS Start Procedure EIS Stop ProcedureOpen the Main Gear Doors for AccessClose the Main Gear Doors after AccessRemoval of the Covers 147AZ (148AZ)Installation of the Covers 147AZ (148AZ)Removal of the Access Panel (540AB, 540BB, 540CB, 540DB, 540EB, 540FB, 540GB, 640AB, 640BB, 640CB, 640DB, 640EB, 640FB, 640GB)Installation of the Access Panel (540AB, 540BB, 540CB, 540DB, 540EB, 540FB, 540GB, 640AB, 640BB, 640CB, 640DB, 640EB, 640FB, 640GB)Fig. 403

 3. Job Set-up__________
 Subtask 28-12-41-941-068
 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) Put the safety barriers in position.
 Subtask 28-12-41-860-052
 B. Aircraft Maintenance Configuration 
R R  (1) Make sure that the LH and RH wing tanks and the center tank are defueled (Ref. TASK 28-25-00-650-001). 
　
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