(11)
 Remove and discard the O-rings (35) and the O-ring (37).

 (12)
 Install blanking caps on the jet pump (42).

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 Installation of the Jet Pump 89QM(90QM)
 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 warning notice No specific access platform 2.0 m (6 ft. 7 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. 04-012 USA VV-P-236 PURE MINERALVASELINE OR PETRO- LATUM (Ref. 20-31-00) Material No. 11-026 GB DEF-STAN 68-148/1 SOLVENT GENERAL PURPOSE (Ref. 20-31-00) Material No. 19-003 USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)
 Material No. 19-010  USA AMS 5687 LOCKWIRE STAINLESS STEEL ANNEALED 0.8MM DIA (Ref. 20-31-00)
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 C. Expendable Parts -------------------------------------------------------------------------------
FIG.ITEM --------- |DESIGNATION ---------------------------------------- |IPC-CSN------------------------------
34  O-ring  28-21-05 04 -010
 35  O-rings  28-21-05 03A-020
 37  O-ring  28-21-05 03A-030
 43  O-ring  28-21-05 02 -010
 43  O-ring  28-21-05 02A-010
 47  O-ring  28-21-05 02 -010
 47  O-ring  28-21-05 02A-010
 D. Referenced Information
 ------------------REFERENCE  -------------------------------DESIGNATION ------------------------------

-------------------------------------------------------------------------------
12-11-28-650-003 Pressure Refuel with Automatic Control 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 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) 28-21-53-991-002 Fig. 402
 3. Job Set-up
__________
 (Ref. Fig. 402/TASK 28-21-53-991-002)
 Subtask 28-21-53-941-059
 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.

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 (3) Make sure that the warning notice is on the applicable panel 195BB (196BB) to tell persons not to operate the MLG doors.
 Subtask 28-21-53-860-053
 B. Aircraft Maintenance Configuration
 (1)
 Make sure that the center tank is defueled (Ref. TASK 28-25-00-650-001).

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

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

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

 (5)
 Make sure that the access platform is below the applicable access panel 147AZ(148AZ).

 (6)
 Make sure that the applicable access panel is removed (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-17-11-000-001):

 -
FOR 89QM
 access panel 147AZ

 -
FOR 90QM
 access panel 148AZ.

 
　
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