W DOC AIRBUS | AMM A320F

Installation of the APU Exhaust Access-Fairing


TASK 52-41-18-400-001-A
Installation of the APU Exhaust Access-Fairing


WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
ACCESS PLATFORM 5M (16 FT)
No specific
AR
WARNING NOTICE(S)
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.03FAB1)
Mineral Oil base Grease-- Vaseline or Petrolatum -
(Material No.06AAB1)
Polysulfide Sealant-General Purpose Fillet -
(Material No.08BAA9)
Non Aqueous Cleaner-General - -
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 20-28-00-912-802-A
Electrical Bonding - General Maintenance Procedure
TASK 33-41-00-710-001-A
Operational Test of the Navigation Lights
TASK 33-41-15-400-001-A
Installation of the Tail Navigation Light
TASK 33-41-16-400-001-A
Installation of the Tail Navigation-Light Transformer
TASK 33-48-00-710-002-A
Operational Test of the Anti-Collision/Strobe Lighting
TASK 33-48-13-400-001-A
Installation of the Tail Cone Strobe-Light
3. Job Set-up
Subtask 52-41-18-860-051-A
A. Aircraft Maintenance Configuration
   (1) Make sure that the WARNING NOTICE(S) is in the flight compartment to tell persons not to start the APU.
   (2) Make sure that the ACCESS PLATFORM 5M (16 FT) is in position below the tail cone.
Subtask 52-41-18-865-051-A
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
121VUAPU/APU/CTL2KDL42
121VUAPU/ECB/SPLY1KDL41
** ON A/C NOT FOR ALL
122VULIGHTING/EXT LT/NAV1/AND LOGO/LT1LAT03
** ON A/C ALL
122VULIGHTING/EXT LT/NAV2/AND LOGO/LT2LAT02
122VULIGHTING/WING/STROBE10LVV05
** ON A/C NOT FOR ALL
122VULIGHT/EXT LT NAV1/AND LOGO/LT1LAT03
4. Procedure
NOTE: In the subsequent procedure the APU Exhaust Access Fairing 317AL is referred to as fairing.
Subtask 52-41-18-560-050-A
A. Preparation for Replacement Component
   (1) If removed, install the tail cone strobe-light 19LV (Ref. AMM TASK 33-48-13-400-001).
   (2) If removed, install the navigation-light 15LA (Ref. AMM TASK 33-41-15-400-001).
   (3) If removed, install the tail navigation-light transformer 13LA (Ref. AMM TASK 33-41-16-400-001).
Subtask 52-41-18-910-051-A
B. Preparation for Installation
   (1) Remove the old sealant from the tail cone (11) with the Non Aqueous Cleaner-General - - (Material No.08BAA9) .
   (2) Clean the component interfaces and the adjacent area.
   (3) Do an inspection of the component interfaces and the adjacent area.
   (4) Make sure that the sealing profile on the inner side of the fairing (1) is in the correct condition.
   (5) Make sure that all the stud nuts (2) are attached to the fairing (1) by their retaining rings and no stud nut (2) is missing.
   (6) Make sure that the retaining rings are in the correct condition.
   (7) Make sure that the receptacles (10) at the tail cone (11) are in the correct condition.
   (8) Apply a layer of the Mineral Oil base Grease-- Vaseline or Petrolatum - (Material No.03FAB1) on the mating surfaces of the fairing (1) and the tail cone (11).
Subtask 52-41-18-420-052-A
C. Installation of the APU Exhaust Access-Fairing 317AL
   (1) Remove the CAP-BLANKING from each electrical connector and receptacle.
   (2) Make sure that all the electrical connections are clean and in the correct condition.
   (3) Put the fairing (1) in position near the tail cone (11).
   (4) Connect the electrical connectors (3) and (4) to the tail navigation-light transformer 13LA and the tail cone strobe-light 19LV.
   (5) Attach the bonding strap (8) with the screw (6), the washer (7) and the nut (9) to the fairing (1) (Ref. AMM TASK 20-28-00-912-802).
   (6) Make sure that the guide-pin (5) at the tail cone (11) aligns with the mating hole of the fairing (1).
   (7) Assemble the fairing (1) to the tail cone (11) and lock the five stud nuts (2).
Subtask 52-41-18-710-050-A
D. Do the operational test of the tail navigation-light 15LA (Ref. AMM TASK 33-41-00-710-001) and the tail cone strobe-light 19LV (Ref. AMM TASK 33-48-00-710-002).
5. Close-up
Subtask 52-41-18-865-052-A
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
121VUAPU/APU/CTL2KDL42
121VUAPU/ECB/SPLY1KDL41
** ON A/C NOT FOR ALL
122VULIGHTING/EXT LT/NAV1/AND LOGO/LT1LAT03
** ON A/C ALL
122VULIGHTING/EXT LT/NAV2/AND LOGO/LT2LAT02
122VULIGHTING/WING/STROBE10LVV05
** ON A/C NOT FOR ALL
122VULIGHT/EXT LT NAV1/AND LOGO/LT1LAT03
Subtask 52-41-18-860-052-A
B. Put the aircraft back to the serviceable condition.
   (1) Fill the clearance between the fairing (1) and the tail cone (11) with the Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) .
   (2) Remove the WARNING NOTICE(S).
   (3) Remove the access platform(s).
[Rev.10 from 2021] 2026.04.01 01:45:03 UTC