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R -------------------------------------------------------------------------------R REFERENCE DESIGNATION R -------------------------------------------------------------------------------
R 12-22-52-640-002 R R 52-30-00-860-001 R R 52-30-00-860-002 R R 52-31-00-710-001 R 52-31-00-720-001 R 52-31-11-820-002 R 52-71-00-820-004 R R 52-71-12-400-001 R 52-31-21-991-001
R 3. Job Set-up
__________
R Subtask 52-31-21-860-055 Lubrication of the FWD and AFT Cargo-Compartment Doors Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump Close the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump Operational Test of the FWD Cargo-Compartment Door Functional Test of the FWD Cargo-Compartment Door Adjustment of the Door Mechanism Adjustment of the Proximity Switches 28WV and 34WV of the Locking Handle of the Cargo Compartment Doors Installation of the Proximity Switches 28WV and 34WV Fig. 401
R A. Aircraft Maintenance Configuration
R (1) Make sure that the FWD cargo-compartment door (referred to as cargo R door) is opened and safeted with the actuator safety locks (Ref. TASK R 52-30-00-860-001).
R (2) Make sure that the access panel 825AR is removed from the cargo door.
R (3) Make sure that the access platform in position below the opened cargo R door.
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R  Subtask 52-31-21-865-051 
R  B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and 
R  tagged 
R  -------------------------------------------------------------------------------
R  PANEL DESIGNATION IDENT. LOCATION 
R  -------------------------------------------------------------------------------
R  121VU HYDRAULIC/HYD POWER/Y 3803GX N30 
R  122VU DOORS/CARGO 1MJ T12 
R  123VU Y HYD/ELEC/PUMP 3802GX AB06 
R  123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03 
R  4. Procedure_________ 
R  Subtask 52-31-21-910-053 
R  A. Preparation for Installation 
R  (1) Make sure that the parts retained from the removed component are 
R  clean and in the correct condition. 
R  (2) Clean the component interface and/or the adjacent area. 
R  (3) Examine the component interface and/or the adjacent area for minor 
R  damage. 
R  (4) Apply COMMON GREASE (Material No. 04-004) to the bolt (26), the bush 
R  (24) and the contact areas of the link rod(17) and the deflection 
R  unit (25). 
R  (5) Apply COMMON GREASE (Material No. 04-004) to the bolt (12), the bush 
R  (10) and the contact area of the linkage (6). 
R  (6) Apply SEALANTS (Material No. 09-013) to the contact areas of the shim 
R  (20), the lever plate (19) and the heads of the screws (18). 
R  Subtask 52-31-21-560-053 
R  B. Preparation for Replacement Components 
R  (1) If required, replace the tab washer (16) on the threaded pin (14) of 
R  the link rod (17) as follows: 
R  (a) Bend the tab washer (16) and release the jam nut (15). 

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R  (b) Remove the threaded pin (14) with the tab washer (16) and the jam 
R  nut (15) from the link rod (17). 
R  (c) Remove the tab washer (16) from the threaded pin (14). 
R  (d) Apply SEALANTS (Material No. 09-003) to the threaded pin (14) and 
R  the new tab washer (16). 
R  (e) Install the new tab washer (16) on the threaded pin (14). 
R  (f) Install the threaded pin (14) together with the jam nut (15) and 
R  the tab washer (16) on the link rod (17). 
R  NOTE : Do not safety the jam nut (15) at this time.____ 
R  (2) If required, replace the tab washer (3) of the linkage (6) as 
R  follows: 
R  (a) Bend the tab washer (3) and release the jam nut (4). 
R  (b) Disassemble the linkage (6) and remove the tab washer (3). 
R  (c) Install a new tab washer (3) and assemble the linkage (6). 
R  (d) Do not fully tighten and safety the jam nut (4) at this time. 
R  Subtask 52-31-21-420-050 
R  C. Installation of the Locking Handle Mechanism 
R  (Ref. Fig. 401/TASK 52-31-21-991-001) 
R  (1) Attach the lever plate (19) of the locking handle mechanism on the 
R  cargo door as follows: 
R  (a) Put the locking handle (13) together with the related mechanism 
R  and the shim (20) in the installation position. 
　
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