W DOC AIRBUS | AMM A320F

Installation of the Link Arm Fitting Fairing [CFML]

TASK 78-32-47-400-802-A
Installation of the Link Arm Fitting Fairing

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
ZONE: 400
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
1
ACCESS PLATFORM 1M(3 FT)
No specific
AR
WARNING NOTICE(S)
No specific
Torque wrench: range to between 0.396 and 0.344 m.daN (35.04 and 30.44 lbf.in ) T
No specific
Torque wrench: range to between 1.82 and 1.49 m.daN (13.42 and 10.99 lbf.ft ) T
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.CPNCL00653)
lubricant (molykote G-rapid plus paste)
(Material No.CPNCL02069)
textile - lint free cotton
(Material No.CPNCL02589)
diestone DLS
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
400
POWER PLANT, NACELLES AND PYLONS
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL, 438AR, 451AL, 452AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL, 448AR, 461AL, 462AR
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
1
COTTER PIN
AIPC 78-30-24-10-460
11
COTTER PIN
AIPC 78-30-25-10-390
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 71-13-00-010-803-A
Opening of the Fan Cowl Doors
TASK 71-13-00-410-803-A
Closing of the Fan Cowl Doors
TASK 78-30-00-040-807-A
Deactivation of the Thrust Reverser System for Nacelle Maintenance (ICU)
TASK 78-30-00-440-807-A
Reactivation of the Thrust Reverser System after Nacelle Maintenance (ICU)
TASK 78-32-50-010-801-A
Manually Deploy the Translating Cowl
TASK 78-32-50-410-801-A
Manually Stow the Translating Cowl
TASK 78-36-00-010-806-A
Opening of the Thrust Reverser Cowl Doors
TASK 78-36-00-410-806-A
Closing of the Thrust Reverser Cowl Doors
F Link Arm Fitting-Fairing
3. Job Set-up
Subtask 78-32-47-941-052-A
A. Safety Precautions
   (1) On the center pedestal, on ENG panel 115VU:
     (a) Make sure that the ENG/MODE selector switch is in the NORM position.
     (b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
     (c) Make sure that the WARNING NOTICE(S) are in position to tell persons not to operate:
  • The ENG/MODE selector switch
  • The ENG/MASTER 1(2) control switch.
   (2) On the ENG section of maintenance panel 50VU:
     (a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
     (b) Make sure that the WARNING NOTICE(S) is in position to tell persons not to energize FADEC 1(2).
Subtask 78-32-47-010-054-A
B. Get Access
   (1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-803):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
     (b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR
   (2) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position.
Subtask 78-32-47-040-053-A
C. Deactivation of the Thrust Reverser System for Maintenance
WARNING: YOU MUST DEACTIVATE THE THRUST REVERSER BEFORE YOU DO WORK ON OR AROUND IT. IF YOU DO NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE AN INJURY AND/OR DAMAGE.
   (1) Make sure that you did the deactivation of the thrust reverser system for nacelle maintenance (Ref. AMM TASK 78-30-00-040-807).
Subtask 78-32-47-010-055-A
D. Get Access
   (1) Make sure that the translating cowl is deployed to 127 mm (5.00 in.) (Ref. AMM TASK 78-32-50-010-801).
   (2) Make sure that the translating cowl is locked.
   (3) Make sure that the thrust reverser cowl-doors are open (Ref. AMM TASK 78-36-00-010-806):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
451AL 452AR
     (b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
461AL 462AR
4. Procedure
Subtask 78-32-47-420-054-A
A. Installation of the Link Arm Fitting-Fairing on the Left Thrust Reverser
NOTE: This procedure is given for one link arm fitting-fairing and is also applicable for the other link arm fitting-fairings on the left thrust reverser.
   (1) Clean the parts to be installed and the contact surfaces with a textile - lint free cotton (Material No.CPNCL02069) made moist with the diestone DLS (Material No.CPNCL02589) .
   (2) Installation of the link arm fitting-fairing (8):
     (a) Apply a layer of CPNCL00653lubricant (molykote G-rapid plus paste) on the screw (7).
     (b) Put the link arm fitting-fairing (8) in position on the structure.
     (c) Push the link arm fitting-fairing (8) rearward to engage the aft bridge (9) of the fairing below the inner fixed-structure bracket (10).
     (d) Install the screw (7).
     (e) TORQUE the screw (7) to between 0.396 and 0.344 m.daN (35.04 and 30.44 lbf.in ) T.
   (3) Connection of the link arm (6):
     (a) Apply a layer of CPNCL00653lubricant (molykote G-rapid plus paste) on the link arm bolt (4).
     (b) Put the link arm (6) in position on the link arm fitting.
     (c) Put the link arm washer (5) in position.
     (d) Install the link arm bolt (4).
NOTE: The link arm bolt (4) must be installed from the upper to the lower.
     (e) Install the washer (3) and the nut (2).
     (f) TORQUE the nut (2) to between 1.82 and 1.49 m.daN (13.42 and 10.99 lbf.ft ) T.
     (g) Installation of the cotter pin:
WARNING: USE PROTECTIVE GOGGLES WHEN YOU REMOVE OR INSTALL A COTTER PIN. EACH TIME YOU REMOVE A COTTER PIN DURING THE TASK, DISCARD IT IMMEDIATELY. A LOOSE COTTER PIN CAN CUT YOU OR MAKE YOU BLIND.
       1 Install the new AIPC 78-30-24-10-460 COTTER PIN (1):
         a You can loosen the nut (2) to 1/6 of a turn to install the cotter pin (1).
Subtask 78-32-47-420-055-A
B. Installation of the Link Arm Fitting-Fairing on the Right Thrust Reverser
NOTE: This procedure is given for one link arm fitting-fairing and is also applicable for the other link arm fitting-fairings on the right thrust reverser.
   (1) Clean the parts to be installed and the contact surfaces with a textile - lint free cotton (Material No.CPNCL02069) made moist with the diestone DLS (Material No.CPNCL02589) .
   (2) Installation of the link arm fitting-fairing (18):
     (a) Apply a layer of CPNCL00653lubricant (molykote G-rapid plus paste) on the screw (17).
     (b) Put the link arm fitting-fairing (18) in position on the structure.
     (c) Push the link arm fitting-fairing (18) rearward to engage the aft bridge (19) of the fairing below the inner fixed-structure bracket (20).
     (d) Install the screw (17).
     (e) TORQUE the screw (17) to between 0.396 and 0.344 m.daN (35.04 and 30.44 lbf.in ) T.
   (3) Connection of the link arm (16):
     (a) Apply a layer of CPNCL00653lubricant (molykote G-rapid plus paste) on the link arm bolt (14).
     (b) Put the link arm (16) in position on the link arm fitting.
     (c) Put the link arm washer (15) in position.
     (d) Install the link arm bolt (14).
NOTE: The link arm bolt (14) must be installed from the lower to the upper.
     (e) Install the washer (13) and the nut (12).
     (f) TORQUE the nut (12) to between 1.82 and 1.49 m.daN (13.42 and 10.99 lbf.ft ) T.
     (g) Installation of the cotter pin:
WARNING: USE PROTECTIVE GOGGLES WHEN YOU REMOVE OR INSTALL A COTTER PIN. EACH TIME YOU REMOVE A COTTER PIN DURING THE TASK, DISCARD IT IMMEDIATELY. A LOOSE COTTER PIN CAN CUT YOU OR MAKE YOU BLIND.
       1 Install the new AIPC 78-30-25-10-390 COTTER PIN (11):
         a You can loosen the nut (12) to 1/6 of a turn to install the cotter pin (11).
5. Close-up
Subtask 78-32-47-410-051-A
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close the thrust reverser cowl-doors (Ref. AMM TASK 78-36-00-410-806):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
451AL 452AR
     (b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
461AL 462AR
   (3) Manually stow the translating cowl (Ref. AMM TASK 78-32-50-410-801).
Subtask 78-32-47-440-051-A
B. Do the reactivation of the thrust reverser system after nacelle maintenance (Ref. AMM TASK 78-30-00-440-807).
Subtask 78-32-47-410-052-A
C. Close Access
   (1) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-803):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
     (b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR
   (2) Remove the access platform(s).
   (3) Remove the WARNING NOTICE(S).
[Rev.10 from 2021] 2026.04.01 03:36:19 UTC
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