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R  **ON A/C 051-052, 
R  Subtask 52-31-11-210-063 
R  B. Visual Inspection of the Locking Hooks and the related Door Structure 
R R  (1) Examine the inner surface of each locking hook for wear, chafe marks and cracks. 
R  (a) If you find any marks, measure the depth of the damage. 
R  NOTE : Marks up to a depth of 0.1 mm (0.0039 in.) are permitted.____ 
R R  (b) If the depth of a mark is between 0.1 mm (0.0039 in.) and 0.3 mm (0.0118 in.), remove the damage (Ref. TASK 51-73-11-300-002). 
R R  (c) If the locking hook has marks with a depth of more than 0.3 mm (0.0118 in.), replace it (Ref. TASK 52-31-21-000-007). 
R R  (d) If you find a crack, replace the locking hook (Ref. TASK 52-31-21-000-001). 

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R R  (2) Examine the fork fittings of each door frame and the adjacent skin area for scratches, marks, cracks and corrosion. 
R R R R R R  (a) If you find a scratch or a mark, - determine the extent of the damaged area (Ref. SRM 52-30-00), - remove the damage when it is less than the limit (Ref. SRM 51-73-00). - When the scratch or mark is larger than the limit, repair the fork fitting or replace it (Ref. SRM 52-30-00). 
R R R R R R  (b) If you find corrosion, - determine the extent of the corroded area (Ref. SRM 52-30-00), - remove the damage when it is less than the limit (Ref. SRM 51-74-00). - When the corroded area is larger than the limit, repair the fork fitting or replace it (Ref. SRM 52-30-00). 
R R  (3) Make sure that the paint coat of the fork fitting and the adjacent skin area is in the correct condition (Ref. TASK 51-75-12-300-001). 
R  **ON A/C ALL
 Subtask 52-31-11-916-054
 C. Application of Temporary Protection
 CAUTION : DO NOT APPLY TEMPORARY PROTECTION ON THE OXYGEN SYSTEMS._______ MAKE SURE THAT THE TEMPORARY PROTECTION DOES NOT GET: -ON COMPOSITE PARTS, CONTROL CABLES, PULLEYS,TEFLON BEARINGS. -ON LUBRICATED SURFACES. -IN DRAIN VALVES OR OTHER ORIFICES. TEMPORARY PROTECTION ON OR IN THESE PARTS CAN CAUSE DAMAGE.
 (1) Cover the equipment and fittings adjacent to the area with masking paper or masking tape, if necessary.
 (2) Apply a layer of STORAGE PRESERVATION (Material No. 15-005) or STORAGE PRESERVATION (Material No. 15-006) to the inspection area.
 (3) Remove the masking paper or the masking tape.

 

 5. Close-up
________ Subtask 52-31-11-865-068
 A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1MJ, 3801GX, 3802GX, 3803GX
 Subtask 52-31-11-410-066
 B. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the access panel 825AR.

 (3)
 Remove the actuator safety locks and close the cargo door (Ref. TASK 52-30-00-860-002).

 (4)
 Remove the access platform(s).

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R **ON A/C 051-052,
R TASK 52-31-11-220-001 R Measurement of Fits and Clearances R 1. Reason for the Job
__________________ R Self Explanatory R 2. Job Set-up Information
______________________ R A. Fixtures, Tools, Test and Support Equipment R -------------------------------------------------------------------------------
R REFERENCE QTY DESIGNATION R -------------------------------------------------------------------------------R No specific access platform 2.3 m (7 ft. 7 in.)
R B. Referenced Information R -------------------------------------------------------------------------------R REFERENCE DESIGNATION R -------------------------------------------------------------------------------
R 52-30-00-860-001 R R 52-31-11-000-001 R 52-31-11-400-002 R 52-31-21-000-001 R 52-31-21-000-002 R 52-31-21-400-001 R 52-31-11-991-027 R 52-31-11-991-028 R 52-31-11-991-029 Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump Removal of the FWD Cargo-Compartment Door Installation of the FWD Cargo-Compartment Door Removal of the Locking Handle Mechanism Removal of the Handle Flap Mechanism Installation of the Locking Handle Mechanism Fig. 605 Fig. 606 Fig. 607
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R  3. Job Set-up__________ 
R  Subtask 52-31-11-860-063 
R  A. Aircraft Maintenance Configuration 
R  (1) Make sure that the FWD cargo compartment door (referred to as cargo 
R  door) is closed and locked (Ref. TASK 52-30-00-860-001). 
R  (2) Put the access platform in position below the closed cargo door. 
　
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