(3)
Use a plastic spatula to remove unwanted material from the interface of the pylon rear attachment.
(4)
Clean the interface of the bearing (4) and the pylon rear attachment
(3) with CLEANING AGENTS (Material No. 11-004) and a MISCELLANEOUS (Material No. 19-003).
(5)
Examine the pylon rear attachment and adjacent structure for:
-cracks
-damaged paint and sealant
-distortion
-correct condition of all fasteners and safety devices.
Subtask 54-51-17-420-060
B. Installation of the Pylon Rear Attachment
(Ref. Fig. 406/TASK 54-51-17-991-013)
(1)
Apply COMMON GREASE (Material No. 04-004) to the interface of the bearing (4) and the pylon rear attachment.
(2)
Install a new bearing (4) in the pylon rear attachment (3) with the CASTELLATED WRENCH (98D54003006202).
(3)
Install the new tab washer (2). Make sure that the internal tag of the washer (2) is engaged in the slot on the bearing (4).
NOTE : Put a small bend in the tabs of the tab washer (2) before you
____ install the slotted nut (1). This will make it easier to bend the tabs when you subsequently lock the slotted nut.
(4)
Install the slotted nut (1) on the bearing (4) with the chamfered face against the tab washer (2).
(5)
Hold the bearing (4) with the CASTELLATED WRENCH (98D54003006202). TORQUE the slotted nut (1) to between 30 and 40 m.daN (221.23 and
294.98 lbf.ft) with the CASTELLATED WRENCH (98D54003006200).
(6)
Safety the slotted nut (1) with the tab washer (2).
5. Close-up
________ Subtask 54-51-17-410-054
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the applicable aft attach fitting (Ref. TASK 54-51-17-400-002).
Subtask 54-51-17-440-050
B. Aircraft Maintenance Configuration
(1) Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041).
Subtask 54-51-17-942-056
C. Put the aircraft back to its initial configuration.
(1)
Remove the warning notice(s).
(2)
Remove the access platform(s).
(3)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
PYLON-TO-WING ATTACH FITTINGS - INSPECTION/CHECK
________________________________________________ TASK 54-51-17-200-001 Inspection of the Pylon-to-Wing Forward Attach-Fitting
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
54-51-17-000-001 Removal of the Pylon-to-Wing Forward Attach Fitting
at RIB4 54-51-17-200-003 Inspection of the Shackles at RIB4 and the Spigot 54-51-17-400-001 Installation of Pylon-to-Wing Forward Attach Fitting
at RIB4
3. Job Set-up
__________ Subtask 54-51-17-020-050
A. Removal of the Pylon-to-Wing Forward Attach-Fitting
(1) Remove the pylon-to-wing forward attach-fitting (Ref. TASK 54-51-17-000-001).
4. Procedure
_________ Subtask 54-51-17-210-050
A. Inspection of the Pylon-to-Wing Forward Attach-Fitting
(1)
Do a visual inspection of the yokes attached to the main frame and the wing, the fail-safe bolts, the shackles and the sleeves.
(2)
If you find wear on the sleeves and/or shackles, you must examine the pylon-to- wing aft attach-fitting (Ref. TASK 54-51-17-200-003).
-------------------------------------------------------------------------------
| | Yoke | Shackles | Fail-safe | Sleeves | | | Pylon side | | bolts | | | | Wing side | | | | |-----------------------------------------------------------------------------| | Superficial | Repair, refer to | Ref. 54-51-00| Replace | Replace | | wear | the manufacturer's | P. Block 601 | | | | | instructions | | | | |-----------------------------------------------------------------------------| | Deformation | Repair, refer to | Replace | Replace | Replace | | | the manufacturer's | | | | | | instructions | | | | |-----------------------------------------------------------------------------| | Corrosion | Repair, refer to | Ref. 54-51-00| | Replace | | | the manufacturer's | P. Block 601 | | | | | instructions | | | | |-----------------------------------------------------------------------------| | Structural | Repair, refer to | Replace | Replace | Replace | | defects | the manufacturer's | | | | | | instructions | | | | |-----------------------------------------------------------------------------| | Bore | Replace the | Replace | | Replace | | deformation | bushes | | | | |-----------------------------------------------------------------------------| | Wear on | Replace the | Replace | | Replace | | bore | bushes | | | | -------------------------------------------------------------------------------
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