Removal of the Cartridge of the Engine Fire-Extinguisher Bottle

TASK 26-21-41-000-004-D
Removal 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.

ZONE: 415
ZONE: 425
FIN: 5WE1
FIN: 5WE2
FIN: 7WE1
FIN: 7WE2

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	PLUG - BLANKING
53100141-1	1	PLUG, SHUNT
OR	OR
M83723-60-18AN	1	CAP, PROTECTIVE

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
415	LOWER PYLON
425	LOWER PYLON

C. Referenced Information

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
Engine Fire-Extinguisher-Bottle Cartridge

3. Job Set-up
Subtask 26-21-41-010-068-A

A. Get Access
(1) Make sure that the engine fire-extinguisher bottle is removed (Ref. AMM TASK 26-21-41-000-001).

4. Procedure
Subtask 26-21-41-020-081-A

A. Removal of the Cartridge

WARNING: 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.

(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) Make sure that the 53100141-1 PLUG, SHUNTM83723-60-18AN CAP, PROTECTIVE (4) is installed on the cartridge (3).
(3) Cut and remove the lockwire from the cartridge (3) and discharge head (1).
(4) Remove the cartridge (3) from the discharge head (1).
(5) Remove and discard the O-ring (2).
(6) Put a PLUG - BLANKING on the discharge head (1).

[Rev.10 from 2021] 2026.03.31 23:45:00 UTC