W DOC AIRBUS | AMM A320F

Installation of the Supports of the Engine Fire-Extinguisher Bottles

TASK 54-51-63-400-801-A
Installation of the Supports of the Engine Fire-Extinguisher Bottles

WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
  • THE FLIGHT CONTROLS
  • THE FLIGHT CONTROL SURFACES
  • THE LANDING GEAR AND THE RELATED DOORS
  • COMPONENTS THAT MOVE.
MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
WARNING: THE CARTRIDGE IS AN EXPLOSIVE DEVICE. REMOVE IT BEFORE YOU DISASSEMBLE THE FIRE EXTINGUISHER BOTTLE. TO PREVENT INJURY TO THE PERSONNEL BECAUSE OF THE EXPLOSION OF THE CARTRIDGE IF IT HAS NOT BEEN FIRED:
  • INSTALL A SHUNT DEVICE.
  • THIS WILL SHUNT THE PINS TOGETHER ON THE CARTRIDGE BEFORE ITS REMOVAL.
DO NOT USE A FOIL SHUNT.
WARNING: BE VERY CAREFUL WHEN YOU MOVE A FULL FIRE EXTINGUISHER BOTTLE. A SUDDEN OR HEAVY SHOCK TO A FULL BOTTLE CAN CAUSE UNWANTED DISCHARGE AND INJURY TO PERSONS.
WARNING: IF YOU REMOVE THE FIRE EXTINGUISHER BOTTLES IN A CLOSED HANGAR, MAKE SURE THAT THERE IS A FLOW OF NEW AIR IN THE HANGAR.
CAUTION: BEFORE INSTALLATION, MAKE SURE THAT:
  • THE EXTINGUISHER BOTTLE, DISCHARGE HEAD AND CARTRIDGE ARE FROM THE SAME VENDOR, AND
  • THE PART NUMBERS ARE THE ONES SPECIFIED IN THE IPC.
ZONE: 410
ZONE: 420
FIN: 4020KM1
FIN: 4020KM2
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 3M (10 FT)- ADJUSTABLE
No specific
AR
WARNING NOTICE(S)
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.06LDG2)
Non Hardening Jointing Putty-High Temp. Area - Structure
(Material No.08BAA9)
Non Aqueous Cleaner-General - -
(Material No.14SBA1)
Textile-Lint free Cotton -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
410
ENG 1 PYLON BOX AND FORWARD FAIRING
420
ENG 2 PYLON BOX AND FORWARD FAIRING
415BL, 415CR, 425BL, 425CR
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL, 438AR, 451AL, 452AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL, 448AR, 461AL, 462AR
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 20-28-00-912-802-A
Electrical Bonding - General Maintenance Procedure
TASK 26-21-41-000-001-F
Removal of the Engine Fire-Extinguisher Bottle
TASK 26-21-41-400-001-F
Installation of the Engine Fire-Extinguisher Bottle
TASK 54-51-21-000-804-A
Removal of the Pylon Lateral Access-Doors
TASK 54-51-21-400-803-A
Installation of the Pylon Lateral Access-Doors
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 78-36-00-010-806-A
Opening of the Thrust Reverser Cowl Doors
TASK 78-36-00-410-806-A
Closing of the Thrust Reverser Cowl Doors
F Supports of the Engine Fire-Extinguisher Bottles
3. Job Set-up
Subtask 54-51-63-941-051-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) is in position to tell persons not to operate the ENG/ MODE selector switch and 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 54-51-63-865-051-A
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
FOR FIN: 6WE2 (BOTTLE 1FIRE EXTING, ENG 2) FOR FIN: 6WE1 (BOTTLE 1FIRE EXTING, ENG 1)
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/B2WE1Q43
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/A1WE1Q42
FOR FIN: 8WE2 (BOTTLE 2FIRE EXTING, ENG 2) FOR FIN: 8WE1 (BOTTLE 2FIRE EXTING, ENG 1)
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/B2WE2Q41
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/A1WE2Q40
Subtask 54-51-63-040-051-A
C. Deactivation of the Thrust Reverser
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 the thrust reverser is unserviceable for maintenance (Ref. AMM TASK 78-30-00-040-807).
Subtask 54-51-63-010-051-A
D. 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 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
   (3) Make sure that the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE is in position:
     (a) For the left pylon, in zone 415
     (b) For the right pylon, in zone 425.
   (4) Make sure that the pylon lateral access-doors are removed (Ref. AMM TASK 54-51-21-000-804):
     (a) For the left pylon: 415BL 415CR
     (b) For the right pylon: 425BL 425CR.
   (5) Make sure that the engine fire-extinguisher bottles are removed (Ref. AMM TASK 26-21-41-000-001).
Subtask 54-51-63-110-050-A
E. Preparation for Installation
   (1) Make sure that the parts retained from the removed component are clean and in the correct condition.
   (2) If they are not sufficiently clean, clean the parts retained from the removed component with Non Aqueous Cleaner-General - - (Material No.08BAA9) and Textile-Lint free Cotton - (Material No.14SBA1) .
   (3) Do an inspection of the component interfaces and the adjacent area.
4. Procedure
Subtask 54-51-63-420-050-A
A. Installation of the Supports of the Engine Fire-Extinguisher Bottles
F Supports of the Engine Fire-Extinguisher Bottles
CAUTION: MAKE SURE THAT YOU INSTALL EACH OF THE SCREWS IN ITS CORRECT POSITION. THE SCREWS HAVE DIFFERENT LENGTHS. IF YOU DO NOT INSTALL EACH OF THE SCREWS IN ITS CORRECT POSITION, YOU CAN CAUSE DAMAGE.
   (1) Put and hold the bracket (1) in position on RIB6 of the pylon box.
   (2) Apply Non Hardening Jointing Putty-High Temp. Area - Structure (Material No.06LDG2) on the shanks of the bolts (2), (3), (4) and (5).
   (3) Install the bolts (3) and (4) and the nuts (10).
   (4) Do the electrical bonding at the applicable locations of the bracket (1) (Ref. AMM TASK 20-28-00-912-802).
   (5) Install the bolts (2) and (5) and the nuts (9).
   (6) Tighten the nuts (9) and (10).
   (7) Put and hold the clamp (6) in position on the bracket (1).
   (8) Install the washers (7) and the bolts (8).
   (9) Tighten the bolts (8).
   (10) Put and hold the bracket (11) in position on RIB7 of the pylon box.
   (11) Apply Non Hardening Jointing Putty-High Temp. Area - Structure (Material No.06LDG2) on the shanks of the bolts (15), (16), (17) and (18).
   (12) Install the bolts (16) and (17) and the nuts (20).
   (13) Do the electrical bonding at the applicable locations of the bracket (11) (Ref. AMM TASK 20-28-00-912-802).
   (14) Install the bolts (15) and (18) and the nuts (19).
   (15) Tighten the nuts (19) and (20).
   (16) Put and hold the clamp (12) in position on the bracket (11).
   (17) Install the washers (13) and the bolts (14).
   (18) Tighten the bolts (14).
   (19) Put and hold the bracket (21) in position on RIB8 of the pylon box.
   (20) Apply Non Hardening Jointing Putty-High Temp. Area - Structure (Material No.06LDG2) on the shanks of the bolts (22) and (23).
   (21) Install the bolts (23) and the nuts (25).
   (22) Do the electrical bonding at the applicable locations of the bracket (21) (Ref. AMM TASK 20-28-00-912-802).
   (23) Install the bolts (22) and the nuts (24).
   (24) Tighten the nuts (24) and (25).
5. Close-up
Subtask 54-51-63-420-051-A
A. Installation of the Components
   (1) Install the engine fire-extinguisher bottles (Ref. AMM TASK 26-21-41-400-001).
Subtask 54-51-63-410-050-A
B. Close Access
   (1) Install the pylon lateral access-doors (Ref. AMM TASK 54-51-21-400-803):
     (a) For the left pylon: 415BL 415CR
     (b) For the right pylon: 425BL 425CR.
   (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) 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.
Subtask 54-51-63-440-050-A
C. Reactivation of the Thrust Reverser
   (1) Make the thrust reverser serviceable after maintenance (Ref. AMM TASK 78-30-00-440-807).
Subtask 54-51-63-865-052-A
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
FOR FIN: 6WE2 (BOTTLE 1FIRE EXTING, ENG 2) FOR FIN: 6WE1 (BOTTLE 1FIRE EXTING, ENG 1)
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/B2WE1Q43
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/A1WE1Q42
FOR FIN: 8WE2 (BOTTLE 2FIRE EXTING, ENG 2) FOR FIN: 8WE1 (BOTTLE 2FIRE EXTING, ENG 1)
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/B2WE2Q41
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/A1WE2Q40
Subtask 54-51-63-942-050-A
E. Aircraft Maintenance Configuration
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Remove the access platform(s).
   (3) Remove the WARNING NOTICE(S).
[Rev.10 from 2021] 2026.04.01 12:38:46 UTC
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