DOC AIRBUS | AMM A320FInstallation of the Cartridge of the Engine Fire-Extinguisher Bottle
TASK 26-21-41-400-004-D
Installation of the Cartridge of the Engine Fire-Extinguisher Bottle
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Expendable Parts
E. Referenced Information
3. Job Set-up
Subtask 26-21-41-860-061-A
Subtask 26-21-41-420-075-A
Subtask 26-21-41-410-065-A
[Rev.10 from 2021]
2026.03.31 23:45:00 UTC
Installation of the Cartridge of the Engine Fire-Extinguisher Bottle
WARNING:
BEFORE YOU TOUCH THE POWER DEVICE CARTRIDGE, MAKE SURE THAT YOU ARE GROUNDED AND THAT YOU INSTALL A SHUNT DEVICE ON IT. USE A CAP OR PLUG AS SHUNT DEVICE (THE CAP OR PLUG WILL SHUNT THE PINS TOGETHER ON THE CARTRIDGE). DO NOT USE A FOIL SHUNT.
IF YOU TOUCH A POWER DEVICE CARTRIDGE THAT DOES NOT HAVE A SHUNT DEVICE INSTALLED, AN EXPLOSION CAN OCCUR AND CAUSE INJURIES TO YOU.
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:
DO NOT REMOVE/INSTALL THE DISCHARGE HEAD WITH THE CARTRIDGE INSTALLED.
WARNING:
USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
CAUTION:
BEFORE INSTALLATION, MAKE SURE THAT:
1. Reason for the Job- THE EXTINGUISHER BOTTLE, DISCHARGE HEAD AND CARTRIDGE ARE FROM THE SAME VENDOR, AND
- THE PART NUMBERS ARE THE ONES SPECIFIED IN THE IPC.
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | Torque wrench: range to between 1.1 and 1 m.daN (97.35 and 88.50 lbf.in )  |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.03PEB1) | Lubricant-Rubber seal Glycerin - |
| (Material No.14QFC1) | Wire-Locking Dia: 0.8 mm CRES - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 415 | LOWER PYLON |
| 425 | LOWER PYLON |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 2 | O-RING | AIPC 26-21-41-01-080 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 20-15-00-910-001-A | Handling Precautions for Electrostatic Discharge Sensitive Devices |
| 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 26-21-41-400-002-C | Installation of the Discharge Head of the Engine Fire-Extinguisher Bottle |
Engine Fire-Extinguisher-Bottle CartridgeSubtask 26-21-41-860-061-A
A. Aircraft Maintenance Configuration
(1) Make sure that the engine fire-extinguisher bottle is removed (Ref. AMM TASK 26-21-41-000-001).
(2) Make sure that the discharge head is installed on the engine fire-extinguisher bottle (Ref. AMM TASK 26-21-41-400-002).
(3) Make sure that a blanking plug is installed on the discharge head (1).
(4) Make sure that the M83723-60-18AN CAP, PROTECTIVE (4) is installed on the cartridge (3).
4. Procedure(1) Make sure that the engine fire-extinguisher bottle is removed (Ref. AMM TASK 26-21-41-000-001).
(2) Make sure that the discharge head is installed on the engine fire-extinguisher bottle (Ref. AMM TASK 26-21-41-400-002).
(3) Make sure that a blanking plug is installed on the discharge head (1).
(4) Make sure that the M83723-60-18AN CAP, PROTECTIVE (4) is installed on the cartridge (3).
Subtask 26-21-41-420-075-A
A. Installation of the Cartridge
(2) Remove the blanking plug from the discharge head (1).
(3) Lubricate a new AIPC 26-21-41-01-080 O-RING (2) with Lubricant-Rubber seal Glycerin - (Material No.03PEB1) .
(4) Install the O-ring (2) in the correct position in the groove of the cartridge (3).
(5) Install the cartridge (3) on the discharge head (1) and tighten it with your hand.
(6) TORQUE the cartridge (3) to between 1.1 and 1 m.daN (97.35 and 88.50 lbf.in ).
(7) Safety the nut of the discharge head (1) and the cartridge (3) with14QFC1 Wire-Locking Dia: 0.8 mm CRES -
5. Close-upWARNING:
DO NOT TOUCH THE CARTRIDGE BEFORE YOU DO THE PROCEDURE APPLICABLE TO DEVICES THAT ARE SENSITIVE TO ELECTROSTATIC DISCHARGE. ELECTROSTATIC DISCHARGE CAN CAUSE THE FIRE EXTINGUISHER BOTTLE TO RELEASE ITS CONTENTS SUDDENLY AND CAUSE INJURY TO PERSONS.
WARNING:
MAKE SURE THAT THE MAXIMUM PERMITTED LIFE (MPL) OF THE CARTRIDGE IS LONGER THAN THE TIME TO THE NEXT SCHEDULED DISCARD OF THE CARTRIDGE.
(1) Before you touch the cartridge, do the procedure for devices that are sensitive to electrostatic discharge (Ref. AMM TASK 20-15-00-910-001). (2) Remove the blanking plug from the discharge head (1).
(3) Lubricate a new AIPC 26-21-41-01-080 O-RING (2) with Lubricant-Rubber seal Glycerin - (Material No.03PEB1) .
(4) Install the O-ring (2) in the correct position in the groove of the cartridge (3).
(5) Install the cartridge (3) on the discharge head (1) and tighten it with your hand.
(6) TORQUE the cartridge (3) to between 1.1 and 1 m.daN (97.35 and 88.50 lbf.in )
. (7) Safety the nut of the discharge head (1) and the cartridge (3) with
Subtask 26-21-41-410-065-A