(3)
On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a warning notice to tell persons not to energize the FADEC. Subtask 54-51-00-010-057
B. Get Access
(1) Put the access platform in position.
(a)
In the zone 410 for the left pylon.
(b)
In the zone 420 for the right pylon.
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(2) Remove the access panels:
(a)
For the left pylon: 414FR, 471AL, 472AR, 521BT.
(b)
For the right pylon: 481AL, 482AR, 423FL, 621BT.
Subtask 54-51-00-020-052-A
C. Removal of the Component
(Ref. Fig. 610/TASK 54-51-00-991-055)
(1)
Remove the bleed air ducts:
-
between the closing rib and the pylon,
-
between the pylon and the anti-ice valve (Ref. TASK 36-11-48-000-004).
(2)
Disengage the cables (3) and (4) at RIB4 to get access to the shackles.
(a)
Remove the cable ties (5) and discard them.
(b)
Remove the bolt (7) and the spacer (6) to disengage the clamps
(10) and (11).
(c)
Remove the bolt (1) and disengage the clamps (13) and (2) from the support (12).
(d)
Loosen the bolt (9) and turn the plate (8) to get access to the shackles.
Subtask 54-51-00-110-059
D. Preparation of the Inspection Area
(Ref. Fig. 611/TASK 54-51-00-991-059)
WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL
_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
R 1EFF : ALL 1 54-51-00Page 650 1 1 May 01/00 1 1 1CES 1
Cables at RIB4 Figure 610/TASK 54-51-00-991-055
R 1EFF : 1 1 1CES ALL 1 111 54-51-00 Page 651 May 01/00
Pylon-to-Wing Forward Attachment Shackles at RIB4 - Inspection Areas
Figure 611/TASK 54-51-00-991-059
R 1EFF : ALL 1 54-51-00Page 652 1 1 May 01/00 1 1 1CES 1R WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THIS/THESE
_______ R MATERIAL/S. USE PROTECTIVE CLOTHING, RUBBER GLOVES, GOGGLES AND A MASK.
(1)
Clean the inspection area with CLEANING AGENTS (Material No. 11-004) and MISCELLANEOUS (Material No. 19-003), if necessary.
(2)
Make sure that the surface of the inspection area is clean and smooth.
(3)
Do a check of the inspection area for visible damage or discontinuities.
(4)
Make sure that there is no:
(a)
Corrosion damage:
-If you find corrosion damage, refer to the Structural Repair Manual (Ref. SRM 512200,P.Block 001) for types, inspection, removal and corrosion protection.
(b)
Other damage (cracks, scratches, stress, marks, dents, bumps...):
-If you find this type of damage, refer to the Structural Repair Manual (Ref. SRM 511100,P.Block 001) for damage classification and corrective action.
4. Procedure
_________
Subtask 54-51-00-270-052
A. Inspection
(Ref. Fig. 611/TASK 54-51-00-991-059)
(1)
Do a special detailed inspection of the structure of the shackles at RIB4. Refer to the Non-destructive Testing Manual (Ref. NTM 545115,P.Block-401).
(2)
Make a report of damage after NDT inspection:
(a)
Corrosion damage:
-If you find damage, refer to the Structural Repair Manual (Ref. SRM 512200,P.Block 001) for types, inspection, removal and corrosion protection.
(b)
Other damage (cracks, scratches, stress, marks, dents, bumps...):
-If you find this type of damage, refer to the Structural Repair Manual (Ref. SRM 511100,P.Block 001) for damage classification and corrective action.
5. Close-up
________ Subtask 54-51-00-420-053-A
A. Installation of the Component
(Ref. Fig. 610/TASK 54-51-00-991-055)
(1)
Attach the cables (3) and (4) at RIB4.
(a)
Put the plate (8) in position and tighten the bolt (9).
(b)
Install the clamps (10) and (11), the spacer (6), the plate (8) and the bolt (7).
(c) 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM NACELLES/PYLONS(32)
