W DOC AIRBUS | AMM A320F

Functional Test of the Cargo-Compartment Smoke-Detector Sensitivity

TASK 26-16-00-720-001-A
Functional Test of the Cargo-Compartment Smoke-Detector Sensitivity

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
ZONE: 130
ZONE: 150
ZONE: 160
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
1
ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific
1
MULTIMETER - STANDARD
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
 B. Consumable Materials
REFERENCE
DESIGNATION
No specific
test plug
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
130
FWD CARGO COMPT AFT BULKHEAD OF AVNCS COMPT TO FWD PRESSURE BULKHEAD OF WING CENTER BOX
150
AFT CARGO COMPARTMENT FWD PRESS BULKHEAD TO AFT BULKHEAD OF AFT CARGO COMPARTMENT
160
BULK CARGO COMPARTMENT AFT BULKHEAD OF AFT CARGO COMPARTMENT TO AFT BULKHEAD OF BULK CARGO COMPARTMENT
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 24-41-00-861-002-A
Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01
Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02
Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-41-00-862-002-A
De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01
De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02
De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 26-16-00-710-001-A
Operational Check of Cargo Compartment Smoke Detection by PTT
TASK 52-30-00-860-001-A
Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 52-30-00-860-002-A
Close the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
ESPM 2044110
ESPM 2048210
F Smoke-Detector Test-Plug Assembly ** ON A/C NOT FOR ALL
F Cargo-Compartment Smoke Detector - Visual Identification
F Test Plug Assembly for Photo-Electric-Type Smoke Detector ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 26-16-00-861-053-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
Subtask 26-16-00-010-050-C ** ON A/C NOT FOR ALL
B. Get Access
   (1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE below forward cargo-compartment door 825.
   (2) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE below aft cargo-compartment door 826.
   (3) Open forward cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-001).
   (4) Open aft cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-001).
Subtask 26-16-00-865-051-A ** ON A/C NOT FOR ALL
C. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUAIR COND/SDCU/CHAN111WQC06
122VUAIR COND/SDCU/CHAN212WQT18
Subtask 26-16-00-020-051-B ** ON A/C NOT FOR ALL
D. Disconnect the Smoke Detector
   (1) If necessary, remove the grid.
   (2) Disconnect electrical connector 1WH-A from smoke detector 1WH.
Subtask 26-16-00-480-050-A ** ON A/C NOT FOR ALL
E. Connect a test plug and a MULTIMETER - STANDARD between smoke detector 1WH and electrical connector 1WH-A ESPM 2044110 and ESPM 2048210.
F Smoke-Detector Test-Plug Assembly ** ON A/C NOT FOR ALL
F Cargo-Compartment Smoke Detector - Visual Identification ** ON A/C NOT FOR ALL
NOTE: The minimum input resistance of the multimeter must be 10 MEG OHMS.
Subtask 26-16-00-480-050-B ** ON A/C NOT FOR ALL
E. Connect a test plug and a MULTIMETER - STANDARD between the smoke detector 3WH and the electrical connector 3WH-A ESPM 2044110 and ESPM 2048210.
F Test Plug Assembly for Photo-Electric-Type Smoke Detector ** ON A/C NOT FOR ALL
F Cargo-Compartment Smoke Detector - Visual Identification ** ON A/C NOT FOR ALL
NOTE: The minimum input resistance of the multimeter must be 10 MEG OHMS.
Subtask 26-16-00-865-064-A ** ON A/C NOT FOR ALL
F. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUAIR COND/SDCU/CHAN111WQC06
122VUAIR COND/SDCU/CHAN212WQT18
4. Procedure
Subtask 26-16-00-720-050-A ** ON A/C NOT FOR ALL
A. Test of the Cargo-Compartment Smoke-Detector Sensitivity (ionization type smoke detector)
NOTE: This paragraph is only applicable to ionization type smoke-detectors P/N PAI2800-01.
ACTION
RESULT
1.On the smoke detector TEST PLUG ASSEMBLY:
  • Read the voltage shown on the voltmeter.
On the voltmeter:
  • The voltage is between 4 and 5 V DC.
Subtask 26-16-00-720-051-A ** ON A/C NOT FOR ALL
B. Test of the Cargo-Compartment Smoke-Detector Sensitivity (photo-electric type smoke detector)
NOTE: This paragraph is only applicable to photo-electric type smoke-detectors P/N PPA1100-XX, PPA1101-XX, PPA1102-XX and PPA1103-XX.
ACTION
RESULT
1.On the smoke detector TEST PLUG ASSEMBLY:
  • Read the resistance value shown on the multimeter.
On the multimeter:
  • The resistance value is equal or higher than 200 OHMS.
Subtask 26-16-00-865-062-A ** ON A/C NOT FOR ALL
C. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUAIR COND/SDCU/CHAN111WQC06
122VUAIR COND/SDCU/CHAN212WQT18
Subtask 26-16-00-420-051-A ** ON A/C NOT FOR ALL
D. Connect the Smoke Detector
   (1) Disconnect the electrical connectors of the TEST PLUG ASSEMBLY ESPM 2044110 and ESPM 2048210.
   (2) Connect the electrical connector 1WH-A to the smoke detector 1WH.
Subtask 26-16-00-869-050-A ** ON A/C NOT FOR ALL
E. Do para's 3D to 4D for each remaining cargo-compartment smoke-detectors.
Subtask 26-16-00-869-050-B ** ON A/C NOT FOR ALL
E. Do paragraphs 3D to 4C for each remaining cargo-compartment smoke-detectors.
Subtask 26-16-00-865-063-A ** ON A/C NOT FOR ALL
F. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUAIR COND/SDCU/CHAN111WQC06
122VUAIR COND/SDCU/CHAN212WQT18
Subtask 26-16-00-710-067-A ** ON A/C NOT FOR ALL
G. Do the Operational Test of the Cargo-Compartment Smoke-Detection system by PTT (Ref. AMM TASK 26-16-00-710-001).
5. Close-up
Subtask 26-16-00-410-051-C ** 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) If removed, install the grid.
   (3) Close forward cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-002).
   (4) Close aft cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-002).
   (5) Remove the access platform(s).
Subtask 26-16-00-862-059-A ** ON A/C NOT FOR ALL
B. Put the aircraft back to its initial configuration.
   (1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
[Rev.10 from 2021] 2026.03.31 23:43:55 UTC
"Aviabrain" 2025