W DOC AIRBUS | AMM A320F

Adjustment of the Proximity Switches of the Emergency Exits with the Door Checking Tool


TASK 52-71-00-820-005-A
Adjustment of the Proximity Switches of the Emergency Exits with the Door Checking Tool


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 mechanical 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
355M03210000
1
CHECKING TOOL-DOORS
G55M03210000
1
CHECKING TOOL - DOORS
 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
231NX, 232NX, 251FX, 252FX, 833, 834, 843, 844
251MX, 252MX, 835, 845
 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 25-23-47-000-004-A
Removal of the Door Frame Linings of the LH FWD Emergency Exit Door, zone 231
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 25-23-47-400-004-A
Installation of the Door Frame Linings of the LH FWD Emergency Exit Door, zone 231
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 52-22-00-010-002-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 52-71-00-710-001-A
Operational Test of the Door Warning System
3. Job Set-up
Subtask 52-71-00-861-055-A ** ON A/C NOT FOR ALL
A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
Subtask 52-71-00-010-064-A ** ON A/C NOT FOR ALL
B. Get Access
   (1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at applicable emergency exit 833 or 843 or 834 or 844.
   (2) Open the applicable emergency exit from the outer side of the aircraft (Ref. AMM TASK 52-22-00-010-002).
   (3) Obey the special precautions before you start work on the emergency exit (Ref. AMM TASK 52-22-00-860-003).
   (4) Close applicable emergency exit 833 or 843 or 834 or 844 from the inner side of the aircraft (Ref. AMM TASK 52-22-00-410-002).
Subtask 52-71-00-010-071-A ** ON A/C NOT FOR ALL
C. Removal of the Lining Panel
   (1) Remove the applicable lining panel (Ref. AMM TASK 25-23-47-000-004) (Ref. AMM TASK 25-23-47-000-009) (Ref. AMM TASK 25-23-47-000-010):
     (a) For 59WV1:
     (b) For 59WV2:
     (c) For 61WV1:
     (d) For 61WV2:
   (2) Remove the insulation.
Subtask 52-71-00-010-064-B ** ON A/C NOT FOR ALL
D. Get Access
   (1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at applicable emergency exit 835 or 845.
   (2) Open applicable emergency exit 835 or 845 from the outer side of the aircraft (Ref. AMM TASK 52-22-00-010-002).
   (3) Obey the special precautions before you start work on the emergency exit (Ref. AMM TASK 52-22-00-860-003).
   (4) Close applicable emergency exit 835 or 845 from the inner side of the aircraft (Ref. AMM TASK 52-22-00-410-001).
Subtask 52-71-00-010-071-B ** ON A/C NOT FOR ALL
E. Removal of the Lining Panel
   (1) Remove the applicable lining panel (Ref. AMM TASK 25-23-47-000-010):
     (a) For 61WV1:
     (b) For 61WV2:
   (2) Remove the insulation.
4. Procedure
Subtask 52-71-00-820-061-A ** ON A/C NOT FOR ALL
A. Adjustment of the Proximity Switch
WARNING: DO NOT OPEN THE EMERGENCY EXIT DURING THE ADJUSTMENT.
   (1) Make sure that the emergency exits are closed.
   (2) Disconnect the electrical connector (1) from the proximity switch (2).
   (3) Connect the 355M03210000 CHECKING TOOL-DOORS or the G55M03210000 CHECKING TOOL - DOORS to the electrical connector of the proximity switch (2).
   (4) 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).
   (5) Loosen the nut (4) of the target (3).
   (6) Turn the target (3) until the NEAR indicator light comes on.
NOTE: The target (3) must not touch the proximity switch (2).
   (7) Turn the target (3) in the opposite direction until the FAR indicator light comes on.
   (8) From this position, turn the target (3) between 2 and 2.5 turns in the direction of the proximity switch (2).
   (9) Tighten the nut (4).
   (10) Safety the nut (4) with the 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
   (11) Disconnect the 355M03210000 CHECKING TOOL-DOORS or the G55M03210000 CHECKING TOOL - DOORS from the proximity switch (2).
   (12) Connect the electrical connector (1) to the proximity switch (2).
Subtask 52-71-00-820-061-B ** ON A/C NOT FOR ALL
A. Adjustment of the Proximity Switch
WARNING: DO NOT OPEN THE EMERGENCY EXIT DURING THE ADJUSTMENT.
   (1) Make sure that the emergency exits are closed.
   (2) Disconnect the electrical connector (1) from the proximity switch (2).
   (3) Connect the 355M03210000 CHECKING TOOL-DOORS or the G55M03210000 CHECKING TOOL - DOORS to the electrical connector of the proximity switch (2).
   (4) 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).
   (5) Loosen the nut (4) of the target (3).
   (6) Turn the target (3) until the NEAR indicator light comes on.
NOTE: The target (3) must not touch the proximity switch (2).
   (7) Turn the target (3) in the opposite direction until the FAR indicator light comes on.
   (8) From this position, turn the target (3) 3.5 turns in the direction of the proximity switch (2).
   (9) Tighten the nut (4).
   (10) Safety the nut (4) with the 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
   (11) Disconnect the 355M03210000 CHECKING TOOL-DOORS or the G55M03210000 CHECKING TOOL - DOORS from the proximity switch (2).
   (12) Connect the electrical connector (1) to the proximity switch (2).
Subtask 52-71-00-710-061-A ** ON A/C NOT FOR ALL
B. Operational Test
   (1) Do an operational test of the warning system related to the emergency exits (Ref. AMM TASK 52-71-00-710-001).
5. Close-up
Subtask 52-71-00-410-074-A ** ON A/C NOT FOR ALL
A. Installation of the Lining Panel
   (1) Install the insulation.
   (2) Install the removed lining panel (Ref. AMM TASK 25-23-47-400-004) (Ref. AMM TASK 25-23-47-400-009) (Ref. AMM TASK 25-23-47-400-010):
     (a) For 59WV1:
     (b) For 59WV2:
     (c) For 61WV1:
     (d) For 61WV2:
Subtask 52-71-00-410-067-A ** ON A/C NOT FOR ALL
B. Close Access
   (1) Obey the special precautions after the work on the emergency exit (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 833 or 843 or 834 or 844 from the outer side of the aircraft (Ref. AMM TASK 52-22-00-410-002).
   (4) Remove the access platform(s).
Subtask 52-71-00-410-074-B ** ON A/C NOT FOR ALL
C. Installation of the Lining Panel
   (1) Install the insulation.
   (2) Install the removed lining panel (Ref. AMM TASK 25-23-47-000-010):
     (a) For 61WV1:
     (b) For 61WV2:
Subtask 52-71-00-410-067-B ** ON A/C NOT FOR ALL
D. Close Access
   (1) Obey the special precautions after the work on the emergency exit (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 835 or 845 from the outer side of the aircraft (Ref. AMM TASK 52-22-00-410-002).
   (4) Remove the access platform(s).
Subtask 52-71-00-862-057-A ** ON A/C NOT FOR ALL
E. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).
[Rev.10 from 2021] 2026.04.02 06:28:29 UTC