Installation of the Proximity Switches of the Aft Emergency Exits

TASK 52-73-11-400-004-E
Installation of the Proximity Switches of the Aft Emergency Exits

ZONE: 835
ZONE: 845
FIN: 6WN1 ** ON A/C NOT FOR ALL
FIN: 6WN2 ** ON A/C NOT FOR ALL

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE
No specific	Torque wrench: range to between 4 and 3 m.N (35.40 and 26.55 lbf.in )

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	MID PASSENGER/CREW DOOR
845	MID PASSENGER/CREW DOOR
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 24-41-00-861-002-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 25-23-47-400-802-A	Installation of the Door Linings of the Emergency Exit, zones 251/252
TASK 52-22-00-410-002-A	Closing of the Emergency Exit Doors from the Outside
TASK 52-22-00-860-004-A	Special Precaution after Maintenance on the Door Damper and Emergency Operation Cylinder
TASK 52-71-00-820-009-F	Adjustment of the Proximity Switches of the Emergency Exits with the Door Checking Tool
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)
TASK 52-73-00-710-002-E	Operational Test of the Warning System Related to the Emergency Exit Doors
Proximity Switches (6WN1, 6WN2) - Aft Emergency Exits

3. Job Set-up
Subtask 52-73-11-860-059-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE is in position at applicable emergency exits 835 or 845.
(2) Make sure that the aircraft electrical circuits are energized.
(Ref. AMM TASK 24-41-00-861-002).

Subtask 52-73-11-865-081-A ** ON A/C NOT FOR ALL

B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

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

4. Procedure
Subtask 52-73-11-420-071-A ** ON A/C NOT FOR ALL

A. Installation of the Proximity Switch

Proximity Switches (6WN1, 6WN2) - Aft Emergency Exits ** ON A/C NOT FOR ALL

(1) Install the proximity switch (2) on its support.
(2) Install the washer (3) and the nut (4).
(3) TORQUE the nut (4) to between 4 and 3 m.N (35.40 and 26.55 lbf.in )

.
(4) Safety the nut (4) and the washer (3) with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
(5) Remove the CAP-BLANKING from each electrical connector and receptacle.
(6) Connect the electrical connector (1) to the proximity switch (2).
(7) Adjust the proximity switch (2) (Ref. AMM TASK 52-71-00-820-009).

Subtask 52-73-11-865-082-A ** ON A/C NOT FOR ALL

B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

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 52-73-11-710-059-A ** ON A/C NOT FOR ALL

C. Operational Test
(1) Do an operational test of the warning system related to the emergency exits (Ref. AMM TASK 52-73-00-710-002).

5. Close-up
Subtask 52-73-11-410-072-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 25-23-47-400-802):
(a) FOR [6WN1] (PROX SW-HANDLE, L AFT EMER EXIT ESC SLIDE)

Lining panel 835CZ.

(b) FOR [6WN2] (PROX SW-HANDLE, R AFT EMER EXIT ESC SLIDE)

Lining panel 845CZ.

Subtask 52-73-11-410-073-A ** ON A/C NOT FOR ALL

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Obey the special precautions after you do work on the emergency exits (Ref. AMM TASK 52-22-00-860-004).
(3) Close the applicable emergency exits door (Ref. AMM TASK 52-22-00-410-002).
(4) Remove the access platform(s).

Subtask 52-73-11-862-062-A ** ON A/C NOT FOR ALL

C. De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 01:48:44 UTC