DOC AIRBUS | AMM A320FInstallation of the Proximity Switches
TASK 52-71-13-400-003-A
Installation of the Proximity Switches
To replace the components of the applicable proximity switch and its actuation mechanism.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Expendable Parts
E. Referenced Information
3. Job Set-up
Subtask 52-71-13-860-053-A ** ON A/C NOT FOR ALL
Subtask 52-71-13-420-052-A ** ON A/C NOT FOR ALL
Subtask 52-71-13-410-054-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:28:33 UTC
Installation of the Proximity Switches
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
ZONE: 833
ZONE: 834
ZONE: 843
ZONE: 844
FIN: 59WV1 ** ON A/C NOT FOR ALL
FIN: 59WV2 ** ON A/C NOT FOR ALL
FIN: 61WV1 ** ON A/C NOT FOR ALL
FIN: 61WV2 ** ON A/C NOT FOR ALL
1. Reason for the JobZONE: 834
ZONE: 843
ZONE: 844
FIN: 59WV1 ** ON A/C NOT FOR ALL
FIN: 59WV2 ** ON A/C NOT FOR ALL
FIN: 61WV1 ** ON A/C NOT FOR ALL
FIN: 61WV2 ** ON A/C NOT FOR ALL
To replace the components of the applicable proximity switch and its actuation mechanism.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | SAFETY BARRIER(S) |
| No specific | Torque wrench: range to between 3.15 and 2.85 m.daN (23.23 and 21.02 lbf.ft )  |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.14QFB1) | Wire-Locking Dia: 0.8 mm CRES Nickel Alloy - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 833 | EMERGENCY EXITS |
| 834 | EMERGENCY EXITS |
| 843 | EMERGENCY EXITS |
| 844 | EMERGENCY EXITS |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 16 | COTTER PIN | AIPC 52-22-04-08-120 |
| 16 | COTTER PIN | AIPC 52-22-84-40-120 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 25-23-47-000-009-A | Removal of the Door Frame Linings of the Right Forward Emergency Exit Door from Zone 232 |
| TASK 25-23-47-000-010-A | Removal of the Door Frame Linings of the Left/Right Aft Emergency Exit Doors from Zones 251/252 |
| TASK 25-23-47-400-009-A | Installation of the Door Frame Linings of the Right Forward Emergency Exit Door in Zone 232 |
| TASK 25-23-47-400-010-A | Installation of the Door Frame Linings of the Left/Right Aft Emergency Exit Doors in Zones 251/252 |
| TASK 52-22-00-010-001-A | Opening of the Emergency Exit Doors from the Passenger Compartment |
| TASK 52-22-00-410-001-A | Closing of the Emergency Exit Doors from the Passenger Compartment |
| TASK 52-22-00-860-003-A | Special Precaution before Maintenance on the Door Damper and Emergency Operation Cylinder |
| TASK 52-22-00-860-004-A | Special Precaution after Maintenance on the Door Damper and Emergency Operation Cylinder |
| TASK 52-71-00-710-001-A | Operational Test of the Door Warning System |
| TASK 52-71-00-820-005-A | Adjustment of the Proximity Switches of the Emergency Exits with the Door Checking Tool |
| TASK 52-71-00-820-005-A-01 | Adjustment of the Proximity Switches of the Emergency Exits with the ECAM DU |
Proximity Switch / Target AdjustmentSubtask 52-71-13-860-053-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Make sure that the applicable emergency exit door is open (Ref. AMM TASK 52-22-00-010-001).
(2) Make sure that the SAFETY BARRIER(S) is in position at the door frame.
(3) Make sure that you obeyed the special precaution before maintenance on the door damper and the emergency operation cylinder (Ref. AMM TASK 52-22-00-860-003).
(4) Make sure that the cabin lining is removed from the applicable fuselage area (Ref. AMM TASK 25-23-47-000-009) and (Ref. AMM TASK 25-23-47-000-010).
(5) Make sure that the insulation mats are removed from the applicable area.
Subtask 52-71-13-865-058-A ** ON A/C NOT FOR ALL (1) Make sure that the applicable emergency exit door is open (Ref. AMM TASK 52-22-00-010-001).
(2) Make sure that the SAFETY BARRIER(S) is in position at the door frame.
(3) Make sure that you obeyed the special precaution before maintenance on the door damper and the emergency operation cylinder (Ref. AMM TASK 52-22-00-860-003).
(4) Make sure that the cabin lining is removed from the applicable fuselage area (Ref. AMM TASK 25-23-47-000-009) and (Ref. AMM TASK 25-23-47-000-010).
(5) Make sure that the insulation mats are removed from the applicable area.
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | EIS/SLIDES/ARM AND WARN/FLT | 15WN | P11 |
| 121VU | EIS/SLIDES/ARM AND WARN/GND | 13WN | P10 |
| 121VU | EIS/SDAC1 AND 2/DOOR/DET/PAX | 48WV | P05 |
Subtask 52-71-13-420-052-A ** ON A/C NOT FOR ALL
A. Installation of Proximity Switch
(1) Make sure that the parts retained from the removed component are clean and in the correct condition.
(2) Clean the component interfaces and the adjacent area.
(3) Do an inspection of the component interfaces and the adjacent area.
(4) Install the switch actuation mechanism as follows:
(a) If necessary, assemble the connection rod (14) to the segment assembly (15).
(b) Put the segment assembly (15) in position at the fuselage structure.
(c) Install the pin (18) and the washer (17) to attach the segment assembly (15).
(d) Safety the pin (18) with the new AIPC 52-22-04-08-120 COTTER PIN (16) or the new AIPC 52-22-84-40-120 COTTER PIN (16).
(e) Put the eye-end of the connection rod (14) in position at the link (21) and attach it with the washer (23) and the pin (20).
(f) Safety the pin (20) with the safety ring (24).
(5) Install the switch bracket (3) as follows:
(a) Put the switch bracket (3) in position and attach it with the screws (8), the washers (11) and the nuts (12).
(b) Put the link (21) in position at the switch bracket (3).
(c) Install the pin (19) and the washer (6) to connect the link (21) with the switch bracket (3).
(d) Safety the pin (19) with the safety ring (5).
(e) Install the spring (22) between the link (21) and the switch bracket (3).
(6) Install the proximity sensor (2) as follows:
(a) Put the proximity sensor (2) in position at the switch bracket (3).
(b) Install the locknut (7) with the lock washer (4). Make sure that the lock washer (4) is correctly engaged in the related hole at the switch bracket (3).
(c) TORQUE the locknut (7) to between 3.15 and 2.85 m.daN (23.23 and 21.02 lbf.ft ).
14QFB1 Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -
(e) Remove the blanking caps from the connector (1) and the proximity sensor (2).
(f) Connect the connector (1) to the receptacle of the proximity sensor (2).
Subtask 52-71-13-820-052-A ** ON A/C NOT FOR ALL (1) Make sure that the parts retained from the removed component are clean and in the correct condition.
(2) Clean the component interfaces and the adjacent area.
(3) Do an inspection of the component interfaces and the adjacent area.
(4) Install the switch actuation mechanism as follows:
(a) If necessary, assemble the connection rod (14) to the segment assembly (15).
(b) Put the segment assembly (15) in position at the fuselage structure.
(c) Install the pin (18) and the washer (17) to attach the segment assembly (15).
(d) Safety the pin (18) with the new AIPC 52-22-04-08-120 COTTER PIN (16) or the new AIPC 52-22-84-40-120 COTTER PIN (16).
(e) Put the eye-end of the connection rod (14) in position at the link (21) and attach it with the washer (23) and the pin (20).
(f) Safety the pin (20) with the safety ring (24).
(5) Install the switch bracket (3) as follows:
(a) Put the switch bracket (3) in position and attach it with the screws (8), the washers (11) and the nuts (12).
(b) Put the link (21) in position at the switch bracket (3).
(c) Install the pin (19) and the washer (6) to connect the link (21) with the switch bracket (3).
(d) Safety the pin (19) with the safety ring (5).
(e) Install the spring (22) between the link (21) and the switch bracket (3).
(6) Install the proximity sensor (2) as follows:
(a) Put the proximity sensor (2) in position at the switch bracket (3).
(b) Install the locknut (7) with the lock washer (4). Make sure that the lock washer (4) is correctly engaged in the related hole at the switch bracket (3).
(c) TORQUE the locknut (7) to between 3.15 and 2.85 m.daN (23.23 and 21.02 lbf.ft )
. WARNING:
USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
(d) Safety the locknut (7) with (e) Remove the blanking caps from the connector (1) and the proximity sensor (2).
(f) Connect the connector (1) to the receptacle of the proximity sensor (2).
B. Adjustment of the Proximity Switch
(1) Do an adjustment of the applicable proximity switch (Ref. AMM TASK 52-71-00-820-005).
Subtask 52-71-13-865-056-A ** ON A/C NOT FOR ALL (1) Do an adjustment of the applicable proximity switch (Ref. AMM TASK 52-71-00-820-005).
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 52-71-13-710-051-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | EIS/SLIDES/ARM AND WARN/FLT | 15WN | P11 |
| 121VU | EIS/SLIDES/ARM AND WARN/GND | 13WN | P10 |
| 121VU | EIS/SDAC1 AND 2/DOOR/DET/PAX | 48WV | P05 |
D. Operational Test
(1) Do an operational test to make sure that the proximity switch operates correctly (Ref. AMM TASK 52-71-00-710-001).
5. Close-up(1) Do an operational test to make sure that the proximity switch operates correctly (Ref. AMM TASK 52-71-00-710-001).
Subtask 52-71-13-410-054-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) Install the insulation mats in the applicable fuselage area.
(3) Install the cabin lining (Ref. AMM TASK 25-23-47-400-009) and (Ref. AMM TASK 25-23-47-400-010).
(4) Remove the safety barrier from the door frame.
(5) Do the special precaution procedure on the door damper and emergency operation cylinder after work on the door (Ref. AMM TASK 52-22-00-860-004).
(6) Close the applicable emergency exit door (Ref. AMM TASK 52-22-00-410-001).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the insulation mats in the applicable fuselage area.
(3) Install the cabin lining (Ref. AMM TASK 25-23-47-400-009) and (Ref. AMM TASK 25-23-47-400-010).
(4) Remove the safety barrier from the door frame.
(5) Do the special precaution procedure on the door damper and emergency operation cylinder after work on the door (Ref. AMM TASK 52-22-00-860-004).
(6) Close the applicable emergency exit door (Ref. AMM TASK 52-22-00-410-001).