Adjustment/Test of the Door Locking Mechanism of the FWD Passenger/Crew Door

TASK 52-11-21-820-001-A
Adjustment/Test of the Door Locking Mechanism of the FWD Passenger/Crew Door

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 4M (13 FT)-ADJUSTABLE
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	SHIM THICKNESS 0.2 MM (0.008 IN)
No specific	Torque wrench: range to between 0.7 and 0.6 m.daN (61.95 and 53.10 lbf.in )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.05BAE1)	Threadlocking Adhesive-- Medium strength -
(Material No.14QFB1)	Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
831, 831EZ, 841, 841EZ

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
10	COTTER PIN	AIPC 53-16-01-23-020
10	COTTER PIN	AIPC 53-16-81-23-100

E. Referenced Information

REFERENCE	DESIGNATION
TASK 25-23-46-000-001-A	Removal of the Door Linings from the Forward Passenger/Crew Doors
TASK 25-23-46-400-001-A	Installation of the Door Linings on the Forward Passenger/Crew Doors
TASK 52-10-00-010-001-A	Opening of the Passenger/Crew Door
TASK 52-10-00-410-001-A	Closing of the Passenger/Crew Door
TASK 52-10-00-860-001-A	Special Precautions before Work on the Passenger/Crew Door
TASK 52-10-00-860-002-A	Special Precautions after Work on the Passenger/Crew Door
TASK 52-11-31-000-001-A	Removal of the Lining Flap
TASK 52-11-31-400-001-A	Installation of the Lining Flap
TASK 52-71-00-820-001-A	Adjustment of the Proximity Switches of the Locking Hook of the Passenger/Crew Doors with the Doors Checking Tool
TASK 52-71-00-820-001-A-01	Adjustment of the Proximity Switches of the Locking Hook of the Passenger/Crew Doors with the ECAM Display Unit (DU)
Locking Hook Adjustment
Locking Hook Adjustment
Safety Pin Adjustment

3. Job Set-up
Subtask 52-11-21-010-050-A

A. Get Access

WARNING: DO NOT OPEN THE PASSENGER/CREW DOOR IF THE WIND SPEED IS MORE THAN 65 KNOTS.

WARNING: BEFORE YOU START WORK ON THE DOOR, MAKE SURE THAT:

THE EMERGENCY CONTROL HANDLE IS IN THE DISARMED POSITION WITH THE SAFETY PIN INSTALLED.
THE PERCUSSION LEVER OF THE DOOR-DAMPER AND EMERGENCY-OPERATION CYLINDER IS IN THE DISARMED POSITION WITH THE SAFETY PIN INSTALLED.

IF YOU DO NOT OBEY THESE INSTRUCTIONS, THE DOOR CAN OPEN WITH FORCE OR THE ESCAPE SLIDE CAN DEPLOY SUDDENLY. THIS CAN CAUSE INJURY AND/OR DAMAGE.

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) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position in the zone 831 (841).
(2) Open the FWD passenger/crew door 831 ( 841) (Ref. AMM TASK 52-10-00-010-001).
(3) Obey the special precautions before you start work on the door (Ref. AMM TASK 52-10-00-860-001).

Subtask 52-11-21-865-050-A

B. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C 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 52-11-21-010-051-A

C. Removal of Components
(1) Remove the lining flap (Ref. AMM TASK 52-11-31-000-001).
(2) Remove the door lining panels (Ref. AMM TASK 25-23-46-000-001).
(a) For the left passenger/crew door 831 831EZ.
(b) For the right passenger/crew door 841 841EZ.
(3) Remove the door insulation.

4. Procedure
Subtask 52-11-21-820-053-B

A. Adjustment of the Locking Hook

Locking Hook Adjustment

(1) Open the door.
(2) Put SHIM THICKNESS 0.2 MM (0.008 IN) in position between the upper fittings (1) and the rollers (2).
(3) Close the door.
(4) Make sure that there is contact between the locking hook (4) and the roller (3) and the clearance M1 is 0.5 +0.3 mm or -0.3 mm (0.0197 +0.0118 in. or -0.0118 in.).
(5) If there is no contact at the locking hook (4), do the adjustment that follows:
(a) Remove and discard the lockwire from the nuts (5).
(b) Loosen the nuts (5) and the clamp (8).
(c) Make sure that the lockwashers (6) are released.
(d) Turn the barrel of the the rod (7) until the locking hook (4) touches the roller (3).
(e) Install the new AIPC 53-16-01-23-020 COTTER PIN (10) or AIPC 53-16-81-23-100 COTTER PIN (10).
(f) Tighten the nuts (5) and the clamp (8).
(g) Make sure that the lockwashers (6) are correctly positioned.
(h) Safety the nuts (5) and the lockwashers (6) with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
(6) If the clearance M1 is not in the tolerances, do the adjustment that follows:
(a) Remove and discard the lockwire from the nuts (5).
(b) Loosen the nuts (5) and the clamp (8).
(c) Make sure that the lockwashers (6) are released.
(d) Turn the rod (7) one turn to make it shorter.
(e) Remove and discard the cotter pin (10) and remove the nut (9).
(f) Pull out the bush (11) by 4 mm (0.1575 in.) to disengage it from the stop flat (13).
(g) Turn the bush (11) by the required correction value:
-0.9, -0.6, +0.6, +1.5 or 1.2.
Make sure that the bush (11) stays engaged with its slots in the eccentric yoke (12).

NOTE: The slotted drive between the bush (11) and the eccentric yoke (12) has a foolproofing device (one position only).

(h) Push back the bush (11) until the correction value aligns with the mark of the stop flat (13).
(i) Install and tighten the nut (9).
(j) Turn the barrel of the the rod (7) until the locking hook (4) touches the roller (3).
(k) Install the new AIPC 53-16-01-23-020 COTTER PIN (10) or AIPC 53-16-81-23-100 COTTER PIN (10).
(l) Tighten the nuts (5) and the clamp (8).
(m) Make sure that the lockwashers (6) are correctly positioned.
(n) Safety the nuts (5) and the lockwashers (6) with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
(7) Open the door and remove the shims located between the upper fittings (1) and the rollers (2).

Subtask 52-11-21-820-050-A

B. Adjustment of the Safety Pin

Safety Pin Adjustment

(1) Close the door
(2) Make sure that the clearance J1 between the safety pin (23) and the frame fitting (20) is 4 -1 mm or +1 mm (0.1575 -0.0394 in. or +0.0394 in.).
(3) If the clearance J1 is not in the tolerance, adjust as follows:
(a) Open the door.
(b) Remove the screw (21) and the adjustable washer (22).
(c) Put a new adjustable washer (22) to get the correct clearance J1.
(d) Apply Threadlocking Adhesive-- Medium strength - (Material No.05BAE1) on the threads of the screw (21).
(e) Install the screw (21).
(f) TORQUE the screw (21) to between 0.7 and 0.6 m.daN (61.95 and 53.10 lbf.in )

Subtask 52-11-21-820-054-A

C. Adjustment of the Proximity Switch of the Locking Hook
(1) Do an adjustment of the proximity switches (11WV1 or 11WV2) (Ref. AMM TASK 52-71-00-820-001).

5. Close-up
Subtask 52-11-21-410-051-A

A. Install of Components
(1) Install the door insulation.
(2) Install the door lining panels (Ref. AMM TASK 25-23-46-400-001).
(a) For the left passenger/crew door 831 831EZ.
(b) For the right passenger/crew door 841 841EZ.
(3) Install the lining flap (Ref. AMM TASK 52-11-31-400-001).

Subtask 52-11-21-865-052-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C 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 52-11-21-410-050-A

C. Close Access
(1) Obey the special precautions after the work on the door (Ref. AMM TASK 52-10-00-860-002).
(2) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(3) Close the applicable passenger/crew door 831 or 841 (Ref. AMM TASK 52-10-00-410-001).
(4) Remove the access platform(s).
(5) Make sure that the work area is clean and clear of tools and other items.

[Rev.10 from 2021] 2026.04.02 06:27:24 UTC