Remove APU Fire Extinguisher Bottle for In Shop Hydrostatic Test and Check Pressure Switch Setting

TASK 26-22-41-280-002-A
Remove APU Fire Extinguisher Bottle for In Shop Hydrostatic Test and Check Pressure Switch Setting

WARNING: YOU MUST PUT ON AND ATTACH A SAFETY HARNESS BEFORE YOU START WORK:

ON THE THS OR IN THE REAR FUSELAGE
ON TOP OF THE WINGS OR PYLONS.

WITHOUT A SAFETY HARNESS, YOU CAN FALL. THIS CAN KILL YOU OR CAUSE YOU INJURY.

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 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: DO NOT TOUCH THE FRANGIBLE DISC IN THE FIRE EXTINGUISHER BOTTLE. DAMAGE TO THE FRANGIBLE DISC CAN CAUSE UNWANTED DISCHARGE AND INJURY TO PERSONS.

ZONE: 313
FIN: 11WF

1. Reason for the Job
Refer to the MPD TASK: 262241-01
REMOVE APU FIRE EXTINGUISHER BOTTLE FOR IN SHOP HYDROSTATIC TEST AND CHECK PRESSURE SWITCH SETTING.

2. Job Set-up Information
A. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
313	TAIL CONE APU AIR INTAKE AREA

B. Referenced Information

REFERENCE	DESIGNATION
TASK 26-22-41-000-001-A	Removal of the Fire Extinguisher Bottle
TASK 26-22-41-400-001-A	Installation of the Fire Extinguisher Bottle
CMM 262003
CMM 262076

3. Job Set-up
Subtask 26-22-41-010-055-A

A. Remove the APU Fire-Extinguisher Bottle (Ref. AMM TASK 26-22-41-000-001).

4. Procedure
Subtask 26-22-41-280-051-A ** ON A/C NOT FOR ALL

A. Do a Hydrostatic Test and Check of the Pressure Switch Setting of the APU Fire-Extinguisher Bottle CMM 262003.

Subtask 26-22-41-280-051-B ** ON A/C NOT FOR ALL

A. Do a Hydrostatic Test and Check of the Pressure Switch Setting of the APU Fire-Extinguisher Bottle CMM 262076.

5. Close-up
Subtask 26-22-41-010-056-A

A. Install the APU Fire-Extinguisher Bottle (Ref. AMM TASK 26-22-41-400-001).

[Rev.10 from 2021] 2026.03.31 23:45:40 UTC