(2)
 Remove and discard the seal (3) and the seal (4).

 (3)
 Remove the bearing ball (2).

 (4)
 Remove and discard the dowel pins (5) from the bearing-halves (1).

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 Bearing Seals - MLG Actuator Bearing Assembly Figure 403/TASK 57-26-13-991-004
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 TASK 57-26-13-400-004
 Installation of the Bearing Seals of the MLG Actuator Bearing Assembly
 WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______ START A TASK ON OR NEAR:
 -
THE FLIGHT CONTROLS

 -
THE FLIGHT CONTROL SURFACES

 -
THE LANDING GEAR AND THE RELATED DOORS

 -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 warning notices
 No specific access platform 3 m (9 ft. 10 in.)

 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 04-004  USA MIL-PRF-23827 TYPE I SYNTH.ESTER BASED GREASE HIGH PRESSURE (Ref. 20-31-00)
 Material No. 11-004  USA MIL-T-81533 1.1.1TRICHLOROETHANE (METHYL CHLOROFORM) (Ref. 20-31-00)
 Material No. 19-003  USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)
 1EFF : ALL 1 57-26-13Page 429 1 1 May 01/05R 1 1 1CES 1

 C. Expendable Parts
 -------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
3  seal  57-26-13 01B-050
 3  seal  57-26-13 01C-050
 4  seal  57-26-13 01B-050
 4  seal  57-26-13 01C-050
 5  dowel pins  57-26-13 01B-040
 5  dowel pins  57-26-13 01C-040
 D. Referenced Information

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
07-11-00-581-001 07-11-00-586-002 24-41-00-862-002  Lifting for Aircraft Maintenance OperationsLowering of the Aircraft for Maintenance OperationsDe-energize the Aircraft Electrical Circuits Supplied from the External Power
 29-00-00-864-001 29-23-00-860-001 29-23-00-860-002 32-00-00-481-001  Put the Related Hydraulic System in the Depressurized Configuration before Maintenance ActionDisconnection of the Isolation Coupling of the Power Transfer Unit (PTU)Connection of the Isolation Coupling of the Power Transfer Unit (PTU)Installation of the Safety Devices on the Landing Gears
 32-00-00-481-002  Installation of the Safety Devices on the Landing Gear Doors
 32-31-46-000-001 32-31-46-400-001 57-26-13-000-004 57-26-13-400-002  Removal of the MLG Actuating CylinderInstallation of the MLG Actuating CylinderRemoval of the Bearing Seals of the MLG Actuator Bearing AssemblyInstallation of the Bearing Assembly of the MLG Actuator Attachment
 57-26-13-991-004  Fig. 403

 1EFF : ALL 1 57-26-13Page 430 1 1 May 01/05R 1 1 1CES 1

 3. Job Set-up
__________

 Subtask 57-26-13-941-056
 A. Safety Precautions
 (1)
 Make sure that the safety barriers are in position.

 (2)
 Make sure that the safety devices are installed on the landing gears (Ref. TASK 32-00-00-481-001) and on the landing gear doors (Ref. TASK 32-00-00-481-002).

 (3)
 Make sure that the warning notices are in position in the cockpit to tell persons not to operate the landing gear or the landing gear doors.

 Subtask 57-26-13-860-054
 B. Aircraft Maintenance Configuration
 (1)
 Make sure that the aircraft is on jacks (Ref. TASK 07-11-00-581-001).

 (2)
 Make sure that the access platform is in position below the applicable main landing gear.

 (3)
 Make sure that the applicable hydraulic systems are de-pressurized (Ref. TASK 29-00-00-864-001).
　
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