Remove Cargo Compartment Fire-Extinguisher for in-shop Hydrostatic Test and Check of Pressure Switch Setting

TASK 26-23-41-280-002-F
Remove Cargo Compartment Fire-Extinguisher for in-shop Hydrostatic Test and Check of Pressure Switch Setting

ZONE: 162
ZONE: 172
FIN: 4015WX ** ON A/C NOT FOR ALL
FIN: 4020WX ** ON A/C NOT FOR ALL

1. Reason for the Job
Refer to the MPD TASK: 262341-02
REMOVE CARGO COMPARTMENT FIRE EXTINGUISHER FOR IN SHOP HYDROSTATIC TEST AND CHECK OF PRESSURE SWITCH SETTING

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

ZONE/ACCESS	ZONE DESCRIPTION
162	BULK CARGO COMPARTMENT
172	AFT CABIN U/FLOOR COMPARTMENT

B. Referenced Information

REFERENCE	DESIGNATION
TASK 26-23-42-000-001-A	Removal of the Cargo Fire-Extinguisher Bottle
TASK 26-23-42-400-001-A	Installation of the Cargo Fire-Extinguisher Bottle

3. Job Set-up
Subtask 26-23-41-020-068-A ** ON A/C NOT FOR ALL

A. Removal of the Fire Extinguisher Bottle
(1) Remove the fire extinguisher bottle (Ref. AMM TASK 26-23-42-000-001).

4. Procedure
Subtask 26-23-41-280-061-A ** ON A/C NOT FOR ALL

A. Hydrostatic Test and Check of Pressure Switch Setting
(1) Send the related fire extinguisher bottle to the workshop for the hydrostatic test and do the check of pressure switch position. Obey the manufacturer's instructions given in the related Component Maintenance Manual (CMM).

NOTE: To find the CMM reference, you can use the applicable P/N in the IPC. You can use the FIN in the task title to find the applicable P/N.

5. Close-up
Subtask 26-23-41-420-068-A ** ON A/C NOT FOR ALL

A. Installation of the Fire Extinguisher Bottle
(1) Install a serviceable fire extinguisher bottle (Ref. AMM TASK 26-23-42-400-001).

[Rev.8 from Aug 2017] 2026.03.31 23:46:40 UTC