-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 safety barriers No specific warning notice No specific access platform 1.65 m (5 ft. 5 in.)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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 28-26-41-000-001 Removal of the Center Tank Jet Pump 157QM(158QM) 32-12-00-010-001 Open the Main Gear Doors for Access 57-17-11-000-001 Removal of the Covers 147AZ (148AZ) 28-26-42-991-001 Fig. 401
 1EFF : 301-399, 1 28-26-42Page 401 1 1 May 01/04 1 1 1CES 1

 3. Job Set-up
__________
 (Ref. Fig. 401/TASK 28-26-42-991-001) Subtask 28-26-42-941-050
 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.

 (3)
 Put a warning notice in position to tell persons not to operate the landing gear doors.

 Subtask 28-26-42-650-050
 B. Fuel Configuration
 (1)
 Defuel the center tank (Ref. TASK 28-25-00-650-001).

 (2)
 Drain the remaining fuel from the center tank (Ref. TASK 28-25-00-650-003).

 Subtask 28-26-42-010-050
 C. Get Access
 (1)
 Open the applicable MLG door (Ref. TASK 32-12-00-010-001).

 (2)
 Make sure that the GROUND LOCK SLEEVE is installed on the applicable MLG door actuating-cylinder.

 (3)
 Put the access platform in position below the applicable access panel 147AZ (148AZ).

 (4)
 Remove the applicable access panel 147AZ (148AZ) (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-17-11-000-001).

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 Center-Tank Jet-Pump Strainer - Location and Detail
 Figure 401/TASK 28-26-42-991-001

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 4. Procedure
_________
 (Ref. Fig. 401/TASK 28-26-42-991-001) Subtask 28-26-42-020-050
 A. Removal of the Jet Pump Strainer 220QM (221QM)
 (1)
 Remove the jet pump (1) (Ref. TASK 28-26-41-000-001).

 (2)
 Remove the strainer (2) from the platinum assembly (3).

 1EFF : 301-399, 1 28-26-42Page 404 1 1 May 01/04 1 1 1CES 1

 TASK 28-26-42-400-001 Installation of the Jet Pump Strainer 220QM(221QM) 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. 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 28-26-42Page 405 1 1 May 01/04 1 1 1CES 1 C. Referenced Information

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
　
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