DOC AIRBUS | AMM A320FRemove ELT for In Shop Operational Check of Acceleration Sensor
TASK 25-65-00-720-004-A
Remove ELT for In Shop Operational Check of Acceleration Sensor
1. Reason for the Job
Refer to the MPD TASK: 256535-02
REMOVE ELT FOR IN SHOP OPERATIONAL CHECK OF ACCELERATION SENSOR
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 25-65-00-861-053-A ** ON A/C NOT FOR ALL Subtask 25-65-00-861-053-H ** ON A/C NOT FOR ALL 4. Procedure
Subtask 25-65-00-010-054-A ** ON A/C NOT FOR ALL
Subtask 25-65-00-862-053-A ** ON A/C NOT FOR ALL Subtask 25-65-00-862-053-H ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.03.31 23:41:08 UTC
Remove ELT for In Shop Operational Check of Acceleration Sensor
1. Reason for the Job
Refer to the MPD TASK: 256535-02
REMOVE ELT FOR IN SHOP OPERATIONAL CHECK OF ACCELERATION SENSOR
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.06CMD9) | Silicone Adhesive Sealant-General Purpose One part legacy |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 200 | UPPER HALF FUSELAGE |
| 261BC |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 20-28-00-912-802-A | Electrical Bonding - General Maintenance Procedure |
| 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 25-23-42-000-002-A | Removal of the Ceiling Panels - Aft Utility Area |
| TASK 25-23-42-400-002-A | Installation of the Ceiling Panels - Aft Utility Area |
| TASK 25-65-00-710-001-A | Operational Check of ELT System by Manual Activation |
| TASK 25-65-00-740-001-A | Emergency Locator Transmitter (ELT) System - BITE Test |
| TASK 25-65-00-840-001-A | Procedure after a Change of Aircraft Registration Number |
| TASK 25-65-35-000-001-A | Removal of the Emergency Locator Transmitter (ELT) |
| TASK 25-65-35-400-001-A | Installation of the Emergency Locator Transmitter (ELT) |
ELT - AccessSubtask 25-65-00-861-053-A ** ON A/C NOT FOR ALL Subtask 25-65-00-861-053-H ** ON A/C NOT FOR ALL 4. Procedure
Subtask 25-65-00-010-054-A ** ON A/C NOT FOR ALL
A. Aircraft Procedure
(1) Remove the Emergency Locator Transmitter (ELT) (Ref. AMM TASK 25-65-35-000-001).
Subtask 25-65-00-010-054-B ** ON A/C NOT FOR ALL (1) Remove the Emergency Locator Transmitter (ELT) (Ref. AMM TASK 25-65-35-000-001).
A. Removal of Emergency Locator Transmitter (ELT) 110MX
(2) Record the identification number from the identification label of the ELT (5) and the related manufacturer serial number. This is important for the subsequent installation procedure.
(3) Set the toggle switch (9) to OFF.
(4) Remove the backup antenna (4) from the ELT (5) and keep the backup antenna (4) in the aircraft. This is important for the subsequent installation procedure.
(5) Disconnect the antenna connector (12) from the connector (10).
(6) Disconnect the electrical connector (11) from the connector (8).
(7) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(8) Remove the screw (7) and the lanyard (6).
(9) Remove the bolts (3) and the washers (2).
(10) Carefully remove the ELT (5) from the supports (1).
Subtask 25-65-00-010-054-H ** ON A/C NOT FOR ALL Subtask 25-65-00-960-050-B ** ON A/C NOT FOR ALL CAUTION:
PULL THE TOGGLE SWITCH BEFORE YOU SET IT TO THE "ON", "OFF" OR "ARMED" POSITION. IF YOU DO NOT OBEY THIS INSTRUCTION, YOU CAN CAUSE DAMAGE TO THE EMERGENCY LOCATOR TRANSMITTER.
(1) Remove ceiling panel 261BC (Ref. AMM TASK 25-23-42-000-002). (2) Record the identification number from the identification label of the ELT (5) and the related manufacturer serial number. This is important for the subsequent installation procedure.
(3) Set the toggle switch (9) to OFF.
(4) Remove the backup antenna (4) from the ELT (5) and keep the backup antenna (4) in the aircraft. This is important for the subsequent installation procedure.
(5) Disconnect the antenna connector (12) from the connector (10).
(6) Disconnect the electrical connector (11) from the connector (8).
(7) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(8) Remove the screw (7) and the lanyard (6).
(9) Remove the bolts (3) and the washers (2).
(10) Carefully remove the ELT (5) from the supports (1).
B. Workshop Procedure
(1) Send the ELT to the workshop.
Subtask 25-65-00-960-050-C ** ON A/C NOT FOR ALL (1) Send the ELT to the workshop.
B. Workshop Procedure
(2) If the Aircraft Registration Number (ARN) changed or the programming equipment is not available, refer to (Ref. AMM TASK 25-65-00-840-001).
Subtask 25-65-00-960-050-E ** ON A/C NOT FOR ALL NOTE: If the aircraft has a programming dongle (141MX), at the adapter cable, where the aircraft code is permanently stored, it is not necessary to change that code.
(1) Send the ELT to the workshop for an operational check of the acceleration sensor (G-switch). (2) If the Aircraft Registration Number (ARN) changed or the programming equipment is not available, refer to (Ref. AMM TASK 25-65-00-840-001).
B. Workshop Procedure
(2) If the aircraft registration code/number (ICAO) has changed, or the programming equipment is not available, refer to (Ref. AMM TASK 25-65-00-840-001).
Subtask 25-65-00-960-050-H ** ON A/C NOT FOR ALL NOTE: If the aircraft is equipped with a aircraft identification module (AIM 142MX), where the aircraft code is permanently stored, it is not necessary to change that code.
(1) Send the ELT to the workshop for the operational check of the acceleration sensor (G-switch). (2) If the aircraft registration code/number (ICAO) has changed, or the programming equipment is not available, refer to (Ref. AMM TASK 25-65-00-840-001).
B. Workshop Procedure
(1) Send the ELT to the workshop.
Subtask 25-65-00-410-055-A ** ON A/C NOT FOR ALL (1) Send the ELT to the workshop.
C. Aircraft Procedure
(1) Install the ELT (Ref. AMM TASK 25-65-35-400-001).
(2) Do the operational test of the ELT (Ref. AMM TASK 25-65-00-710-001).
Subtask 25-65-00-410-055-B ** ON A/C NOT FOR ALL (1) Install the ELT (Ref. AMM TASK 25-65-35-400-001).
(2) Do the operational test of the ELT (Ref. AMM TASK 25-65-00-710-001).
C. Installation of ELT 110MX
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Make sure that you install the ELT (5) that has the correct identification number. Refer to the information recorded during the removal procedure.
(4) If the aircraft registration number is changed, refer to (Ref. AMM TASK 25-65-00-840-001).
(5) Make sure that the toggle switch (9) is set to OFF.
(6) Put the ELT (5) in position on the supports (1).
(7) Install the washers (2) and the bolts (3) (Ref. AMM TASK 20-28-00-912-802).
(8) TORQUE the bolts (3) to between 0.48 and 0.37 m.daN (42.48 and 32.74 lbf.in )
.
(9) Install the lanyard (6) and the screw (7).
(10) Tighten the screw (7).
(11) Remove the CAP-BLANKING from each electrical connector and receptacle.
(12) Connect the electrical connector (11) to the connector (8).
(13) Connect the antenna connector (12) to the connector (10).
(14) Do the BITE test of the ELT (Ref. AMM TASK 25-65-00-740-001).
(15) Put the heat protection material (IPC Ref. 25-65-04-68-340) around the antenna connector (12) and attach the antenna connector (12) with CORD DIA 1,1 MM (0,043 IN) - FIBERGLASS (DAN107-1).
(17) Install the backup antenna (4) on the ELT (5).
(18) Set the toggle switch (9) to ARMED.
(19) Install ceiling panel 261BC (Ref. AMM TASK 25-23-42-400-002).
Subtask 25-65-00-410-055-H ** ON A/C NOT FOR ALL 5. Close-upCAUTION:
PULL THE TOGGLE SWITCH BEFORE YOU SET IT TO THE "ON", "OFF" OR "ARMED" POSITION. IF YOU DO NOT OBEY THIS INSTRUCTION, YOU CAN CAUSE DAMAGE TO THE EMERGENCY LOCATOR TRANSMITTER.
(1) Clean the component interfaces and the adjacent area.(2) Do an inspection of the component interfaces and the adjacent area.
(3) Make sure that you install the ELT (5) that has the correct identification number. Refer to the information recorded during the removal procedure.
(4) If the aircraft registration number is changed, refer to (Ref. AMM TASK 25-65-00-840-001).
(5) Make sure that the toggle switch (9) is set to OFF.
(6) Put the ELT (5) in position on the supports (1).
(7) Install the washers (2) and the bolts (3) (Ref. AMM TASK 20-28-00-912-802).
(8) TORQUE the bolts (3) to between 0.48 and 0.37 m.daN (42.48 and 32.74 lbf.in )
. (9) Install the lanyard (6) and the screw (7).
(10) Tighten the screw (7).
(11) Remove the CAP-BLANKING from each electrical connector and receptacle.
(12) Connect the electrical connector (11) to the connector (8).
(13) Connect the antenna connector (12) to the connector (10).
(14) Do the BITE test of the ELT (Ref. AMM TASK 25-65-00-740-001).
(15) Put the heat protection material (IPC Ref. 25-65-04-68-340) around the antenna connector (12) and attach the antenna connector (12) with CORD DIA 1,1 MM (0,043 IN) - FIBERGLASS (DAN107-1).
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
(16) Apply Silicone Adhesive Sealant-General Purpose One part legacy (Material No.06CMD9) to the fiberglass cords knots. (17) Install the backup antenna (4) on the ELT (5).
(18) Set the toggle switch (9) to ARMED.
(19) Install ceiling panel 261BC (Ref. AMM TASK 25-23-42-400-002).
Subtask 25-65-00-862-053-A ** ON A/C NOT FOR ALL Subtask 25-65-00-862-053-H ** ON A/C NOT FOR ALL