W DOC AIRBUS | AMM A320F

Adjustment of the Proximity Switches of the Aft Emergency-Exit Doors with the ECAM Display Unit (DU)


TASK 52-71-00-820-009-F-01
Adjustment of the Proximity Switches of the Aft Emergency-Exit Doors with the ECAM Display Unit (DU)


WARNING: STOP THE OPENING PROCEDURE IF THE RED WARNING LIGHT FLASHES. IF THE RED WARNING LIGHT FLASHES, REMAINING PRESSURE CAN CAUSE THE DOOR TO OPEN SUDDENLY AND CAN:
  • KILL OR CAUSE SERIOUS INJURY TO PERSONS
  • CAUSE DAMAGE TO THE AIRCRAFT.
1. Reason for the Job
There are two methods to do the adjustment of the proximity switches of the emergency exits:
  • Mechanically with the CHECKING TOOL-DOORS
  • Electronically with the ECAM DU.
This task gives the electronic method. For the other method, refer to the related task in this page block.
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.14QFB1)
Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
835, 845
FOR [6WN1] (PROX SW-HANDLE, L AFT EMER EXIT ESC SLIDE)
835CZ
FOR [6WN2] (PROX SW-HANDLE, R AFT EMER EXIT ESC SLIDE)
845CZ
 D. 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 25-23-47-000-802-A
Removal of the Door Linings of the Emergency Exit, zones 251/252
TASK 25-23-47-400-802-A
Installation of the Door Linings of the Emergency Exit, zones 251/252
TASK 31-60-00-860-001-A
EIS Start Procedure
TASK 31-60-00-860-002-A
EIS Stop Procedure
TASK 52-22-00-010-002-A
Opening of the Emergency Exit Doors from the Outside
TASK 52-22-00-410-001-A
Closing of the Emergency Exit Doors from the Passenger Compartment
TASK 52-22-00-410-002-A
Closing of the Emergency Exit Doors from the Outside
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 52-73-00-710-002-E
Operational Test of the Warning System Related to the Emergency Exit Doors
3. Job Set-up
Subtask 52-71-00-861-077-A ** ON A/C NOT FOR ALL
A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
Subtask 52-71-00-010-098-A ** ON A/C NOT FOR ALL
B. Get Access
   (1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at applicable aft emergency-exit door 835 or 845.
   (2) Open applicable aft emergency-exit door 835 or 845 (Ref. AMM TASK 52-22-00-010-002).
   (3) Obey the special precautions before you start the work on the emergency exit door (Ref. AMM TASK 52-22-00-860-003).
   (4) Close applicable aft emergency-exit door 835 or 845 from the inside (Ref. AMM TASK 52-22-00-410-001).
Subtask 52-71-00-010-099-A ** ON A/C NOT FOR ALL
C. Removal of the Lining Panel
   (1) Remove the applicable lining panel (Ref. AMM TASK 25-23-47-000-802):
     (a) FOR [6WN1] (PROX SW-HANDLE, L AFT EMER EXIT ESC SLIDE)
     (b) FOR [6WN2] (PROX SW-HANDLE, R AFT EMER EXIT ESC SLIDE)
   (2) Remove the insulation.
Subtask 52-71-00-860-073-A ** ON A/C NOT FOR ALL
D. Aircraft Maintenance Configuration
   (1) Make sure that the aft emergency-exit doors are closed.
   (2) Do the EIS start procedure (Ref. AMM TASK 31-60-00-860-001).
   (3) On the ECAM control panel, push the DOOR key (on the lower ECAM DU, the "DOOR/OXY" page comes into view).
4. Procedure
Subtask 52-71-00-820-086-A ** ON A/C NOT FOR ALL
A. Adjustment of the Proximity Switches
WARNING: DO NOT OPEN THE EMERGENCY EXIT DURING THE ADJUSTMENT.
   (1) Remove the 98D52103500000 SAFETY PIN - SLIDE ARMING.
   (2) Put the emergency control handle in the ARMED position.
   (3) Removal of the lockwire:
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.
     (a) Remove and discard the lockwire from the nut (4).
   (4) Loosen the nut (4) of the target (3).
   (5) Turn the target (3) until the "SLIDE" message comes into view in white on the lower ECAM DU.
NOTE: The target (3) must not touch the proximity switch (2).
   (6) Turn the target (3) in the opposite direction until the "SLIDE" message goes out of view on the lower ECAM DU.
   (7) From this position, turn the target (3) between 2 and 2.5 turns in the direction of the proximity switch (2).
   (8) Tighten the nut (4).
   (9) Installation of the lockwire:
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.
     (a) Safety the nut (4) with the 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
   (10) Put the emergency control handle in the DISARMED position.
   (11) Install the 98D52103500000 SAFETY PIN - SLIDE ARMING.
Subtask 52-71-00-710-076-A ** ON A/C NOT FOR ALL
B. Operational Test
   (1) Do an operational test of the warning system related to the aft emergency-exit doors (Ref. AMM TASK 52-73-00-710-002).
5. Close-up
Subtask 52-71-00-860-074-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
Subtask 52-71-00-410-102-A ** ON A/C NOT FOR ALL
B. Installation of the Lining Panel
   (1) Install the insulation.
   (2) Install the removed lining panel (Ref. AMM TASK 25-23-47-400-802):
     (a) FOR [6WN1] (PROX SW-HANDLE, L AFT EMER EXIT ESC SLIDE)
     (b) FOR [6WN2] (PROX SW-HANDLE, R AFT EMER EXIT ESC SLIDE)
Subtask 52-71-00-410-103-A ** ON A/C NOT FOR ALL
C. Close Access
   (1) Obey the special precautions after the work on the emergency exit door (Ref. AMM TASK 52-22-00-860-004).
   (2) Make sure that the work area is clean and clear of tools and other items.
   (3) Close applicable emergency exit door 835 or 845 from the outside (Ref. AMM TASK 52-22-00-410-002).
   (4) Remove the access platform(s).
Subtask 52-71-00-862-078-A ** ON A/C NOT FOR ALL
D. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).
[Rev.10 from 2021] 2026.04.01 01:47:54 UTC