W DOC AIRBUS | AMM A320F

Functional Check of the Locking Mechanism


TASK 52-10-00-720-003-A
Functional Check of the Locking Mechanism


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.
ZONE: 831
ZONE: 832
ZONE: 841
ZONE: 842
1. Reason for the Job
Refer to the MPD TASK: 521000-05
FUNCTIONAL CHECK OF LOCKING MECHANISM
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
1
ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE
No specific
1
DYNAMOMETER 20 DAN (45 LBF) - PULL
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
98D52103501000
1
BALLAST WEIGHT - PASSENGER CREW DOOR
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
831
FORWARD PASSENGER/CREW DOOR
832
AFT PASSENGER/CREW DOOR
841
FORWARD PASSENGER/CREW DOOR
842
AFT PASSENGER/CREW DOOR
831, 832, 841, 842
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 25-62-44-000-002-A
Removal of the Left Escape-Slide Pack-Assembly
TASK 25-62-44-000-012-A
Removal of the Left-Hand Escape-Slide-Raft Pack-Assembly
TASK 25-62-44-000-802-A
Removal of the Right Escape-Slide Pack-Assembly
TASK 25-62-44-000-804-A
Removal of the Right-Hand Escape-Slide-Raft Pack-Assembly
TASK 25-62-44-400-006-A
Installation of the Left Escape-Slide Pack-Assembly
TASK 25-62-44-400-007-A
Installation of the Left-Hand Escape-Slide-Raft Pack-Assembly
TASK 25-62-44-400-802-A
Installation of the Right Escape-Slide Pack-Assembly
TASK 25-62-44-400-803-A
Installation of the Right-Hand Escape-Slide-Raft Pack-Assembly
TASK 52-10-00-010-001-A
Opening of the Passenger/Crew Door
TASK 52-10-00-080-001-A
Removal of the Passenger/Crew Door Ballast Weight (98D52103501000) for Escape Slide
TASK 52-10-00-080-001-B
Removal of the Passenger/Crew Door Ballast Weight (98D52103501000) for Escape Slide/Raft
TASK 52-10-00-410-001-A
Closing of the Passenger/Crew Door
TASK 52-10-00-480-001-A
Installation of the Passenger/Crew Door Ballast Weight (98D52103501000) for Escape Slide
TASK 52-10-00-480-001-B
Installation of the Passenger/Crew Door Ballast Weight (98D52103501000) for Escape Slide/Raft
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 52-11-21-820-001-A
Adjustment/Test of the Door Locking Mechanism of the FWD Passenger/Crew Door
TASK 52-13-21-820-001-A
Adjustment of the Locking Hook of the Aft Passenger/Crew Door
3. Job Set-up
Subtask 52-10-00-010-055-A
A. Get Access
   (1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at zone 831 (841) or 832 (842).
   (2) Open applicable passenger/crew door 831 ( 841) or 832 ( 842) (Ref. AMM TASK 52-10-00-010-001).
   (3) Obey special precautions before you start work on the passenger/crew door (Ref. AMM TASK 52-10-00-860-001).
Subtask 52-10-00-865-054-A
B. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
121VUEIS/SLIDES/ARM AND WARN/FLT15WNP11
121VUEIS/SLIDES/ARM AND WARN/GND13WNP10
121VUEIS/SDAC1 AND 2/DOOR/DET/PAX48WVP05
4. Procedure
Subtask 52-10-00-410-056-A
A. Close the passenger/crew door from the inner side.
Subtask 52-10-00-720-055-A ** ON A/C NOT FOR ALL
B. Functional Check of the Locking Mechanism
   (1) Operate the inner control handle and measure the load with the DYNAMOMETER 20 DAN (45 LBF) - PULL.
   (2) Make sure that the load necessary to open the door is less than or equal to 18 daN (40.47 lbf).
   (3) If it is necessary to adjust the door locking mechanism:
     (a) Remove the escape slide:
       1 For the left door:
         a If installed, remove the left escape slide-pack-assembly (Ref. AMM TASK 25-62-44-000-002).
       2 For the right door:
         a If installed, remove the right escape slide-pack-assembly (Ref. AMM TASK 25-62-44-000-802).
     (b) Install the 98D52103501000 BALLAST WEIGHT - PASSENGER CREW DOOR (Ref. AMM TASK 52-10-00-480-001).
     (c) Operate the inner control handle and measure the load with the DYNAMOMETER 20 DAN (45 LBF) - PULL.
     (d) Make sure that the load necessary to open the door is less than or equal to 18 daN (40.47 lbf).
     (e) If necessary, adjust the door locking mechanism for:
       1 The FWD passenger/crew door (Ref. AMM TASK 52-11-21-820-001)
       2 The aft passenger/crew door (Ref. AMM TASK 52-13-21-820-001).
     (f) Remove the 98D52103501000 BALLAST WEIGHT - PASSENGER CREW DOOR (Ref. AMM TASK 52-10-00-080-001).
     (g) Install the escape slide:
       1 For the left door:
         a Install the left escape slide-pack-assembly (Ref. AMM TASK 25-62-44-400-006).
       2 For the right door:
         a Install the right escape slide-pack-assembly (Ref. AMM TASK 25-62-44-400-802).
Subtask 52-10-00-720-055-B ** ON A/C NOT FOR ALL
B. Functional Check of the Locking Mechanism
   (1) Operate the inner control handle and measure the load with the DYNAMOMETER 20 DAN (45 LBF) - PULL.
   (2) Make sure that the load necessary to open the door is less than or equal to 18 daN (40.47 lbf).
   (3) If it is necessary to adjust the door locking mechanism:
     (a) Remove the escape slide:
       1 For the left door:
         a If installed, remove the left escape-slide raft-pack-assembly (Ref. AMM TASK 25-62-44-000-012).
       2 For the right door:
         a If installed, remove the right escape-slide raft-pack-assembly (Ref. AMM TASK 25-62-44-000-804).
     (b) Install the 98D52103501000 BALLAST WEIGHT - PASSENGER CREW DOOR (Ref. AMM TASK 52-10-00-480-001).
     (c) Operate the inner control handle and measure the load with the DYNAMOMETER 20 DAN (45 LBF) - PULL.
     (d) Make sure that the load necessary to open the door is less than or equal to 18 daN (40.47 lbf).
     (e) If necessary, adjust the door locking mechanism for:
       1 The FWD passenger/crew door (Ref. AMM TASK 52-11-21-820-001)
       2 The aft passenger/crew door (Ref. AMM TASK 52-13-21-820-001).
     (f) Remove the 98D52103501000 BALLAST WEIGHT - PASSENGER CREW DOOR (Ref. AMM TASK 52-10-00-080-001).
     (g) Install the escape slide:
       1 For the left door:
         a Install the left escape-slide raft-pack-assembly (Ref. AMM TASK 25-62-44-400-007).
       2 For the right door:
         a Install the right escape-slide raft-pack-assembly (Ref. AMM TASK 25-62-44-400-803).
Subtask 52-10-00-010-056-A
C. Open the passenger/crew door from the inner side.
5. Close-up
Subtask 52-10-00-865-055-A
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
121VUEIS/SLIDES/ARM AND WARN/FLT15WNP11
121VUEIS/SLIDES/ARM AND WARN/GND13WNP10
121VUEIS/SDAC1 AND 2/DOOR/DET/PAX48WVP05
Subtask 52-10-00-410-057-A
B. Close Access
   (1) Obey the special precautions after you complete the work on the door (Ref. AMM TASK 52-10-00-860-002).
   (2) Make sure that the work area is clean and clear of tools and other items.
   (3) Close applicable passenger/crew door 831 ( 841) or 832 ( 842) (Ref. AMM TASK 52-10-00-410-001).
   (4) Remove the access platform(s).
[Rev.10 from 2021] 2026.04.02 06:27:17 UTC