W DOC AIRBUS | AMM A320F

Visual Check of Fire Extinguisher Bottle Pressure Reading

TASK 26-25-00-200-005-A
Visual Check of Fire Extinguisher Bottle Pressure Reading

ZONE: 200
FIN: 7910MM
FIN: 7911MM
FIN: 7912MM ** ON A/C NOT FOR ALL
FIN: 7914MM31 ** ON A/C NOT FOR ALL
FIN: 7914MM41 ** ON A/C NOT FOR ALL
FIN: 7914MM42 ** ON A/C NOT FOR ALL
FIN: 7916MM ** ON A/C NOT FOR ALL
FIN: 7917MM ** ON A/C NOT FOR ALL
1. Reason for the Job
Refer to the MPD TASK: 262541-04
VISUAL CHECK OF FIRE EXTINGUISHER BOTTLE PRESSURE READING
2. Job Set-up Information
 A. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
200
UPPER HALF FUSELAGE
 B. Referenced Information
REFERENCE
DESIGNATION
TASK 24-42-00-861-001-A
Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A
De-energize the Ground Service Network Supplied from the External Power
TASK 26-25-00-200-003-A
Remove Lavatory Fire Extinguisher Bottle for Weight Check
TASK 26-25-41-000-001-A
Removal of the Fire Extinguisher Bottle
TASK 26-25-41-000-802-A
Removal of the Fire Extinguisher Bottle of Lavatory A
TASK 26-25-41-000-804-A
Removal of the Fire Extinguisher Bottle of Lavatory DS/ES/HS
TASK 26-25-41-000-805-A
Removal of the Fire Extinguisher Bottle of Lavatory WC/FS/GS
TASK 26-25-41-400-001-A
Installation of the Fire Extinguisher Bottle
TASK 26-25-41-400-802-A
Installation of the Fire Extinguisher Bottle of Lavatory A
TASK 26-25-41-400-804-A
Installation of the Fire Extinguisher Bottle of Lavatory DS/ES/HS
TASK 26-25-41-400-805-A
Installation of the Fire Extinguisher Bottle of Lavatory WC/FS/GS
TASK 25-40-00-00
LAVATORIES - DESCRIPTION AND OPERATION
TASK 26-25-00-00
LAVATORY FIRE EXTINGUISHING - DESCRIPTION AND OPERATION
3. Job Set-up
Subtask 26-25-00-860-050-A
A. Aircraft Maintenance Configuration
   (1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
Subtask 26-25-00-010-060-A ** ON A/C NOT FOR ALL
B. Get Access
   (1) For the location of this component refer to (Ref. AMM D/O 25-40-00-00), (Ref. AMM D/O 26-25-00-00).
   (2) Get access to the lavatory and open the service door.
Subtask 26-25-00-010-060-R ** ON A/C NOT FOR ALL
B. Get Access
   (1) For the location of this component refer to (Ref. AMM D/O 26-25-00-00).
   (2) Get access to related lavatory.
   (3) Open the service door.
4. Procedure
Subtask 26-25-00-210-054-A ** ON A/C NOT FOR ALL
A. Check of the Pressure Gage of the Fire Extinguisher Bottle
   (1) Read the pressure on the pressure gage.
   (2) Make sure that the pressure gage shows a correct pressure.
     (a) A correct pressure is shown when:
  • The gage needle is in the green area.
     (b) An incorrect pressure is when:
  • The gage needle is on the outer side, to the left of the green area.
  • The gage needle is between the red and green area.
  • The gage needle is on the outer side, to the right of the green area.
   (3) If the pressure gage shows an incorrect pressure:
     (a) Remove the fire extinguisher bottle for a weight check (Ref. AMM TASK 26-25-00-200-003).
     (b) If necessary, replace the fire extinguisher bottle (Ref. AMM TASK 26-25-41-000-001) and (Ref. AMM TASK 26-25-41-400-001).
Subtask 26-25-00-210-056-D ** ON A/C NOT FOR ALL
B. Check of the Pressure Gage of the Fire Extinguisher Bottle
   (1) Read the pressure on the pressure gage.
   (2) Make sure that the pressure gage shows a correct pressure.
     (a) A correct pressure is shown when:
  • The gage needle is in the green area.
     (b) An incorrect pressure is when:
  • The gage needle is on the outer side, to the left of the green area.
  • The gage needle is between the red and green area.
  • The gage needle is on the outer side, to the right of the green area.
   (3) If the pressure gage shows an incorrect pressure:
     (a) Remove the fire extinguisher bottle for a weight check (Ref. AMM TASK 26-25-00-200-003).
     (b) If necessary, replace the fire extinguisher bottle
(Ref. AMM TASK 26-25-41-000-802) and (Ref. AMM TASK 26-25-41-400-802) or
(Ref. AMM TASK 26-25-41-000-804) and (Ref. AMM TASK 26-25-41-400-804).
Subtask 26-25-00-210-056-E ** ON A/C NOT FOR ALL
B. Check of the Pressure Gage of the Fire Extinguisher Bottle
   (1) Read the pressure on the pressure gage.
   (2) Make sure that the pressure gage shows a correct pressure.
     (a) A correct pressure is shown when:
  • The gage needle is in the green area.
     (b) An incorrect pressure is when:
  • The gage needle is on the outer side, to the left of the green area.
  • The gage needle is between the red and green area.
  • The gage needle is on the outer side, to the right of the green area.
   (3) If the pressure gage shows an incorrect pressure:
     (a) Remove the fire extinguisher bottle for a weight check (Ref. AMM TASK 26-25-00-200-003).
     (b) If necessary, replace the fire extinguisher bottle
(Ref. AMM TASK 26-25-41-000-802) and (Ref. AMM TASK 26-25-41-400-802) or
(Ref. AMM TASK 26-25-41-000-804) and (Ref. AMM TASK 26-25-41-400-804) or
(Ref. AMM TASK 26-25-41-000-805) and (Ref. AMM TASK 26-25-41-400-805).
5. Close-up
Subtask 26-25-00-410-058-A ** ON A/C NOT FOR ALL
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close the service door and close the door of the lavatory.
Subtask 26-25-00-410-058-R ** ON A/C NOT FOR ALL
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close the service door.
   (3) Close the door of related lavatory.
Subtask 26-25-00-860-051-A
B. Put the aircraft back to its initial configuration.
   (1) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).
[Rev.10 from 2021] 2026.03.31 23:47:00 UTC
"Aviabrain" 2025