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

TASK 52-71-00-820-009-F
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.

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

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
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	Torque wrench: range to between 4 and 3 m.N (35.40 and 26.55 lbf.in )
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
835, 835CZ, 845, 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 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
Proximity Switches (6WN1, 6WN2) of the Emergency Exits

3. Job Set-up
Subtask 52-71-00-861-074-A ** ON A/C NOT FOR ALL

A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).

Subtask 52-71-00-010-092-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 835 or 845.
(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 835 or 845 from the inner side of the aircraft (Ref. AMM TASK 52-22-00-410-001).

Subtask 52-71-00-010-093-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:

Lining panel 835CZ.

(b) For 6WN2:

Lining panel 845CZ.

(2) Remove the insulation.

Subtask 52-71-00-865-087-A ** ON A/C NOT FOR ALL

D. Open, safety and tag 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

4. Procedure
Subtask 52-71-00-820-082-B ** ON A/C NOT FOR ALL

A. Adjustment of the Proximity Switch

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

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) TORQUE the nut (4) to between 4 and 3 m.N (35.40 and 26.55 lbf.in )

.
(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 52-71-00-865-088-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 52-71-00-710-073-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 52-71-00-410-096-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:

Lining panel 835CZ.

(b) For 6WN2:

Lining panel 845CZ.

Subtask 52-71-00-410-097-A ** ON A/C NOT FOR ALL

B. Close Access
(1) Obey the special precautions after 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 52-71-00-862-075-A ** ON A/C NOT FOR ALL

C. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.04.01 01:47:53 UTC