W DOC AIRBUS | AMM A320F

Removal of the Door Locking Mechanism


TASK 52-13-21-000-001-A
Removal of the Door Locking Mechanism


WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
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
AR
SAFETY CLIP - CIRCUIT BREAKER
98D52103501000
1
BALLAST WEIGHT - PASSENGER CREW DOOR
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.08BAA9)
Non Aqueous Cleaner-General - -
(Material No.14SBA1)
Textile-Lint free Cotton -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
831, 832, 832AZ, 832BZ, 832CZ, 832DZ, 832EZ, 841, 842, 842AZ, 842BZ, 842CZ, 842DZ, 842EZ
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 20-22-00-000-001-A
Removal of STA-LOK Nuts and Lockwashers
TASK 25-23-46-000-002-A
Removal of the Door Linings from the Aft Passenger/Crew Doors
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 52-10-00-010-001-A
Opening 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 52-11-31-000-001-A
Removal of the Lining Flap
TASK 52-13-31-000-001-A
Removal of the Lining Flap
TASK 56-31-13-000-001-A
Removal of the Window of the AFT Passenger/Crew Door
3. Job Set-up
Subtask 52-13-21-010-059-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 an ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position in front of the passenger/crew door 831 or 841.
   (2) Open the passenger/crew door (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 52-13-21-865-057-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
Subtask 52-13-21-010-060-A ** ON A/C NOT FOR ALL
C. Removal of Components
   (1) Remove the escape slide:
     (a) For the left door:
If installed, remove the left-hand escape slide pack assembly (Ref. AMM TASK 25-62-44-000-002).
     (b) For the right door:
If installed, remove the right-hand escape slide pack assembly (Ref. AMM TASK 25-62-44-000-802).
   (2) Install the 98D52103501000 BALLAST WEIGHT - PASSENGER CREW DOOR (Ref. AMM TASK 52-10-00-480-001).
   (3) Remove the door lining panels (Ref. AMM TASK 25-23-46-000-002).
     (a) For the passenger/crew door 832 832AZ 832BZ 832CZ 832DZ 832EZ.
     (b) For the passenger/crew door 842 842AZ 842BZ 842CZ 842DZ 842EZ.
   (4) Remove the lining flap (Ref. AMM TASK 52-13-31-000-001).
   (5) Remove the door insulation.
Subtask 52-13-21-010-060-B ** ON A/C NOT FOR ALL
C. Removal of Components
   (1) Remove the escape slide:
     (a) For the left door:
If installed, remove the left-hand escape slide raft pack assembly (Ref. AMM TASK 25-62-44-000-012).
     (b) For the right door:
If installed, remove the right-hand escape slide raft pack assembly (Ref. AMM TASK 25-62-44-000-804).
   (2) Install the 98D52103501000 BALLAST WEIGHT - PASSENGER CREW DOOR (Ref. AMM TASK 52-10-00-480-001).
   (3) Remove the door lining panels (Ref. AMM TASK 25-23-46-000-002).
     (a) For the passenger/crew door 832 832AZ 832BZ 832CZ 832DZ 832EZ.
     (b) For the passenger/crew door 842 842AZ 842BZ 842CZ 842DZ 842EZ.
   (4) Remove the lining flap (Ref. AMM TASK 52-13-31-000-001).
   (5) Remove the door insulation.
4. Procedure
Subtask 52-13-21-020-055-A
A. Release the Compensation Mechanism:
NOTE: It is necessary to release the tension of the torsion bar only for the removal of the outer control handle:
  • the gearbox
  • the upper and lower connection links
  • the compensation mechanism
  • the reducer shaft.
   (1) Remove the lockwire from the screw (1).
   (2) Loosen the screw (1) until the tension is released from the torsion bar.
Subtask 52-13-21-020-051-A
B. Removal of the Outer Control Handle
   (1) Put the outer control handle in the open position until is locked.
   (2) Removal of the plate assembly.
     (a) Remove the screws (182) and (184) and the washers (183).
     (b) Remove the plate assy (181).
     (c) Clean the contact surface with Non Aqueous Cleaner-General - - (Material No.08BAA9) and Textile-Lint free Cotton - (Material No.14SBA1) .
   (3) Remove the cotter pin (195) and discard it.
   (4) Remove the nut (194) and the washer (193).
   (5) Push the shaft (191), disengage the outer control handle (192) and remove it.
Subtask 52-13-21-020-052-A
C. Removal of the Inner Control Handle
   (1) Remove the cotter pin (171) and discard it.
   (2) Remove the nut (172) and the washer (170).
   (3) Remove the inner control handle (173).
Subtask 52-13-21-020-053-A
D. Removal of the Gearbox
   (1) Removal of the plate assy
     (a) Remove the screws (182) (184) and the washers (183).
     (b) Remove the plate assy (181).
     (c) Clean the contact surface with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a Textile-Lint free Cotton - (Material No.14SBA1) .
   (2) Remove the inner and the outer control handles (222) and (238).
   (3) Remove the cotter pins (205) and discard them.
   (4) Remove the nuts (204), the washers (203) the bolts (210) and the washers (209).
   (5) Disengage the rods (207) and (223).
   (6) Remove the bushes (232), (233), (234) and (235).
   (7) Remove the cotter pin (220) and discard it.
   (8) Remove the nut (219), the washer (218) and the bolt (216).
   (9) Disengage the rod (217).
   (10) Remove the spacer (236).
   (11) Remove the spacer (231).
   (12) Remove the nut (230) and the bolts (221).
   (13) Remove the stop (229).
   (14) Remove the washers and the set of washers (202) and (228).
   (15) Remove the spacers (227) and (226).
   (16) Remove the nuts (211) and the bolts (213).
   (17) Remove the bearing (212).
   (18) Remove the gearbox assembly (214).
   (19) Remove the sealant from the contact surface of the bearing (212).
Subtask 52-13-21-020-054-A
E. Remove the Lowering Shaft
   (1) Open the door.
   (2) Remove the cotter pin (71) and discard it.
   (3) Remove the nut (72) and the washer (73) and the bolt (81) and disconnect the rod (74) from the lever assy (75) and remove the spacer (70).
   (4) Remove the nut (77) and the bolt (76).
   (5) Remove the lever assembly (75).
   (6) Remove the nuts (78), the bolts (80) and the bearing (79).
   (7) Remove the nut (85) and the bolt (87).
   (8) Remove the lever (80) from the lowering shaft (82).
   (9) Remove the nuts (88) and the bolts (83).
   (10) Remove the plate (84).
   (11) Remove the lowering shaft (82) from the door structure.
   (12) Remove the sealant from the contact surface of the plate (84) with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a Textile-Lint free Cotton - (Material No.14SBA1) .
Subtask 52-13-21-020-056-A
F. Removal of the Safety Pin and the Locking Hook
   (1) Open the door.
   (2) Remove the lining flap (Ref. AMM TASK 52-11-31-000-001).
   (3) Removal of the locking hook (2).
     (a) Disconnect the rod (23).
       1 Remove the cotter pin (20) and discard it.
       2 Remove the nut (19) and the washer (18).
       3 Remove the bolt (16) and the washer (17) and bushes (21) and (22).
       4 Remove the rod (23).
     (b) Disconnect the rod (48).
       1 Release the rod (48) as follows:
       2 Remove and discard the lockwire from the nuts (46).
       3 Loosen the nuts (46) and release the lockwashers (47).
       4 Remove the clamp (53).
       5 Turn the barrel of the rod (48) to retract the rod.
       6 Remove the cotter pin (7) and discard it.
       7 Remove the nut (8) and the washer (9).
       8 Remove the bolt (13) and the washer (12) and the bushes (10) and (11).
       9 Disconnect the rod (49).
       10 Remove the bolt (51), the nuts (49) the plate (51) and the bellow (50).
     (c) Remove the locking pin hook (2).
       1 Remove the cotter pin (6) and discard it.
       2 Remove the nut (5), the bolt (15), the washer (14) and the shouldered bush (4).
       3 Remove the locking hook (2) and the washers (2) and (3).
   (4) Removal of the locking pin.
     (a) Disconnect the rod (33).
       1 Remove the cotter pin (45) and discard it.
       2 Remove the nut (44) and the washer (43).
       3 Remove the bolt (41) the washer (42) and the bushes (38) and (39).
       4 Disconnect the rod (33).
     (b) Removal of the fitting (56) including the locking pin.
       1 Remove the bolts (57) and (54) and the washers (55).
       2 Disengage the fitting (56) from and the locking pin.
     (c) Disassembly of the locking pin.
       1 Remove the bolt (24), the adjustable washers (25), the caps (26) (27) and (28) and the adjustable washer (29).
       2 Remove the locking pin (30) from the fitting (56).
     (d) Disconnect the rod (33).
       1 Remove the cotter pin (37) and discard it.
       2 Remove the nut (36) and the washer (35).
       3 Remove the bolt (31) the washer (32) and the bushes (34) and (39).
       4 Remove the locking pin (30).
     (e) Remove the sealant from the fitting (56), the door structure, the thread of the bolt (24) with Non Aqueous Cleaner-General - - (Material No.08BAA9) and Textile-Lint free Cotton - (Material No.14SBA1) .
Subtask 52-13-21-020-057-A
G. Removal of the Locking Shaft Mechanism
   (1) Close the door.
   (2) Remove the plate (113).
     (a) Remove the nuts (116), the bolts (114) and the set of washers (115).
     (b) Remove the set of washers (112) and the plate (113).
   (3) Disconnect the rods (67).
     (a) Remove the cotter pin (63) and discard it.
     (b) Remove the nut (62), the washer (64).
     (c) Remove the bolt (90) the washer (66) and the bushes (61) and (65).
     (d) Disconnect the rod (67).
   (4) Disconnect the rod (87).
     (a) Remove the cotter pin (85) and discard it.
     (b) Remove the nut (84) the washer (86).
     (c) Remove the bolt (89) and the bush (88).
     (d) Disconnect the rod (87).
   (5) Disconnect the rod (75).
     (a) Release the rod (75)
       1 Remove and discard the lockwire from the nuts (139).
       2 Loosen the nuts (139) and release the lockwashers (140).
       3 Loosen the clamp (147).
       4 Turn the barrel of the rod (75) to retract the hook (138) so that it does not touch the roller (137).
     (b) Remove the cotter pin (68) and discard it.
     (c) Remove the nut (69) and the washer (70).
     (d) Remove the bolt (74) the washer (73) and the bushes (71) and (72).
     (e) Disconnect the rod (75).
   (6) Disconnect the rod (80).
     (a) Remove the cotter pin (76) and discard it.
     (b) Remove the nut (77) and the washer (78).
     (c) Remove the bolt (83) the washer (82) and the bushes (81) and (79).
     (d) Disconnect the rod (80).
   (7) Disconnect the rod (92).
     (a) Remove the cotter pin (96) and discard it.
     (b) Remove the nut (97) and the washer (95).
     (c) Remove the bolt (94), and the bushes (93) and (98).
     (d) Disconnect the rod (92).
   (8) Disassembly of the locking shaft
     (a) Remove the lever assy (104).
     (b) Remove the cotter pin (106), and discard it.
     (c) Remove the nut (107) the washer (108).
     (d) Push the shaft (117).
     (e) Remove the bush (128).
     (f) Remove the lever assembly (127) and (129) and the bush (130) and the lever assembly (101).
     (g) Remove the bush (126).
     (h) Remove the bellcrank assembly (125).
     (i) Remove the spacer (124).
     (j) Remove the lever assembly (122) and the bellcrank assy (123).
     (k) Remove the bush (121) and the washer (120) and remove the shaft (117).
     (l) Remove the bush (119) and the washer (118).
   (9) Removal of the bearing assembly (110).
     (a) Remove the nuts (109) and the bolts (111).
     (b) Remove the bearing assembly (110).
   (10) Remove the sealant from the contact surface of the bearing assembly (110).
   (11) Clean with Non Aqueous Cleaner-General - - (Material No.08BAA9) and Textile-Lint free Cotton - (Material No.14SBA1) .
Subtask 52-13-21-020-058-A
H. Removal of the Reducer Shaft
   (1) Make sure that the compensation mechanism is released.
   (2) Close and lock the door.
   (3) Disconnect the rod (310).
     (a) Remove the cotter pin (308) and discard it.
     (b) Remove the nut (307) and the washer (309).
     (c) Remove the bolt (314) the washer (313) and the bushes (311) and (312).
     (d) Disconnect the rod (310).
   (4) Disconnect the rod (317).
     (a) Remove the cotter pin (320) and discard it.
     (b) Remove the nut (322) and the washer (320).
     (c) Remove the bolt (315) the washer (316) and the bushes (318) and (319).
     (d) Disconnect the rod (317).
   (5) Remove the cotter pin (301) and discard it.
   (6) Remove the washer (303) and the nut (302).
   (7) Remove the washer (327) and the nut (328).
   (8) Remove the nut (324) and the bolt (323).
   (9) Remove the bearing assy (328).
   (10) Push the shaft (330) and remove the spacer (334) the bellcrank (331) (332) and (333) the washer (329) and remove the shaft (330).
   (11) Remove the nuts (306), the bolt (304) and the bearing assy (305) and the fitting (335).
   (12) Remove the sealant, from the bearing assy (305) and (328) and the door structure with Non Aqueous Cleaner-General - - (Material No.08BAA9) and Textile-Lint free Cotton - (Material No.14SBA1) .
Subtask 52-13-21-020-059-A
I. Removal of the Compensation Mechanism
   (1) Make sure that the compensation mechanism is released.
   (2) Open the door.
   (3) Disconnect the link (510).
     (a) Remove cotter pin (506) and discard it.
     (b) Remove the nut (505) the washer (504) the bolt (512) and the washer (511).
     (c) Remove the yoke (540).
     (d) Disconnect the link (510).
   (4) Disconnect the rod (528).
     (a) Remove the cotter pin (549) and discard it.
     (b) Remove the nut (548) the washer (550).
     (c) Remove the bolt (554) the washer (553) and the bushes (551) and (552).
     (d) Disconnect the rod (528).
   (5) Remove the retaining rings (515) and (533) and the washers (516) and (534).
   (6) Remove the clamp (532) and the half bushings (531).
   (7) Disengage the torsion bar (514). To do this push it through one side of the door.
   (8) Remove the sta-lock nut (530) (Ref. AMM TASK 20-22-00-000-001).
   (9) Remove the washer (529) and the bellcrank (527) and the spacer (526).
   (10) Remove the nut (546) the bolt (547) and remove the bearing assy (517).
   (11) Push the torsion tube (518) and remove it.
   (12) Remove the spacer (520) and the washer (519).
   (13) Remove the nut (522), the bolt (524) and the bearing assy (523).
   (14) Remove the sta-lock nut (545) (Ref. AMM TASK 20-22-00-000-001).
   (15) Remove the washer (544).
   (16) Remove the nuts (501) the bolt (502) and the bearing assy (535).
   (17) Pull the sleeve (537) towards the outer side of the door.
   (18) Remove the nuts (513) the bolt (503) and the bearing assy (542) and the spacer (543).
   (19) Push the sleeve (537) towards the inner side of the door.
   (20) Remove the sleeve (537) equipped with the crank (539) and the spacer (538) and (541).
   (21) Remove the crank (539) the spacer (538) and (541).
   (22) Remove the sealant from the bearing assy (517) (535) and (542) and the door structure with Non Aqueous Cleaner-General - - (Material No.08BAA9) and Textile-Lint free Cotton - (Material No.14SBA1) .
Subtask 52-13-21-020-060-A
J. Removal of the Upper and Lower Connection Links
   (1) Remove the plate assembly.
     (a) Remove the screws (182) and (184) and the washers (183).
     (b) Remove the plate assy (181).
     (c) Clean the contact surface with Non Aqueous Cleaner-General - - (Material No.08BAA9) and Textile-Lint free Cotton - (Material No.14SBA1) .
   (2) Remove the window to remove the upper connection link (Ref. AMM TASK 56-31-13-000-001).
   (3) Make sure that the compensation mechanism is released.
   (4) Close and lock the door.
   (5) Disconnect the upper and lower connection links (423) and (461) from the support arm (410).
     (a) Remove the nuts (408) and (454) and disconnect the bonding leads (407) and (468).
     (b) Remove the bolts (424) and (469) and disconnect the bonding leads (424) and (464).
     (c) Remove the cotter pins (406) and (457) and discard them.
     (d) Remove the nuts (405) and (456), the washers (418) and (455) the bolts (403) and (451) the washers (404) and (452) and the set of washers (409) and (459).
     (e) Disconnect the support arm (410) from the upper and lower connection links (461) and (423).
   (6) Disconnect the upper connection link (461).
     (a) Remove the cotter pin (450) and discard it.
     (b) Remove the nut (467), the washer (466) the bushing (465).
     (c) Remove the bolt (459) and remove the upper connection link (461).
     (d) Remove the washer (462) from the bolt (459).
     (e) Remove the bush (463) and the washer (464) and the bush (460) from the door structure.
   (7) Disconnect the rod (435).
     (a) Remove the cotter pin (420) and discard it.
     (b) Remove the nut (422), the washer (421).
     (c) Remove the bolt (431) and the washer (432) and the bushes (433) and (434).
     (d) Disconnect the rod (431).
   (8) Disconnect the rod (417).
     (a) Remove the cotter pin (416) and discard it.
     (b) Remove the nut (415) and the washer (437).
     (c) Remove the bolt (411), the washer (412) and the bushes (413) and (414).
   (9) Disconnect the lower connection link (423).
     (a) Remove the cotter pin (401) and discard it.
     (b) Remove the nut (402), the washer (430) and the bushing (429).
     (c) Remove the bolt (419) and the lower connection link (423).
     (d) Remove the washer (426) from the bolt (419).
     (e) Remove the bush (427) and the washer (429) and the bush (436) from the door structure.
[Rev.10 from 2021] 2026.04.02 07:22:25 UTC