(2)
 Remove the nut (10) and the bolt (12) to disconnect the bonding lead (11).

 (3)
 Remove the nuts (8).

 (4)
 Remove the drive sub-assembly (7).

 (5)
 Remove the nut (4) and the bolt (2) to disconnect the bonding lead (3).

 (6)
 Remove the nuts (22) and the bolts (24).

 (7)
 Remove the nut (15) and the bolt (20) to disconnect the bonding lead

 (13) and the bonding lead (14).

 (8)
 Release the nut (18) from the pipe (16).

 (9)
 Remove the valve (21).

 (10)
 Remove and discard the O-rings (5), (19) and (23).

 (11)
 If necessary, remove the retaining ring (17) and remove the nut (18).

 (12)
 Put blanking caps on the pipes (1) and (16).

 (13)
 Put blanking caps on the valve (21) pipe connections.

 1EFF : 301-399, 1 28-26-43Page 404 1 1 May 01/04 1 1 1CES 1

 Jet Pump Fuel Control Valve 153 QM (154 QM)
 Figure 401/TASK 28-26-43-991-001

 1EFF : 301-399, 1 28-26-43Page 405 1 1 May 01/04 1 1 1CES 1 TASK 28-26-43-400-001

 Installation of the Jet Pump Fuel Control Valve 153QM(154QM)
 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 1.65 m (5 ft. 5 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. 09-002  USA MIL-S-8802 TYPE I CLASS B FUEL TANK SEALANTPOLYSULFID(NO LONGER AVAILABLE (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)
 1EFF : 301-399, 1 28-26-43Page 406 1 1 May 01/04 1 1 1CES 1

 C. Expendable Parts -------------------------------------------------------------------------------
FIG.ITEM --------- |DESIGNATION ------------------------------------ |IPC-CSN----------------------------------
5  O-ring  28-26-05 06 -070
 19  O-ring  28-26-05 04 -040
 23  O-ring  28-26-05 05 -160
 D. Referenced Information

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-11-28-650-003 20-28-00-912-002
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 28-26-00-710-001 28-26-51-000-001 28-26-51-400-001
32-12-00-010-001 32-12-00-410-001 53-35-13-400-002
57-17-11-000-001 57-17-11-400-001 28-26-43-991-001
3. Job Set-up
__________
 Subtask 28-26-43-941-053
 A. Safety PrecautionsPressure Refuel with Automatic ControlElectrical Bonding of Components With Conductive Bolts and Screws in the TanksSafety 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 TransferOperational Test of the Main Transfer SystemRemoval of the Fuel Control Valve Actuator 11QL(12QL)Installation of the Fuel Control Valve Actuator 11QL(12QL)Open the Main Gear Doors for AccessClose the Main Gear Doors after AccessInstallation of the Quick-Release Access Panels on the Belly Fairing StructureRemoval of the Covers 147AZ (148AZ)Installation of the Covers 147AZ (148AZ)Fig. 401
 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.
 1EFF : 301-399, 1 28-26-43Page 407 1 1 May 01/04 1 1 1CES 1

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