W DOC AIRBUS | AMM A320F

Adjustment of the Locking Mechanism


TASK 52-22-00-820-003-A
Adjustment of the Locking Mechanism


1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
1
GAGE - SLIP
No specific
Torque wrench: range to between 0.7 and 0.6 m.daN (61.95 and 53.10 lbf.in ) T
98D52207557000
1
BALLAST WEIGHT - EMERGENCY EXIT
98D52208282000
1
PIN-RIGGING,DOOR MECHANISM
 B. Consumable Materials
REFERENCE
DESIGNATION
No specific
lockwire, corrosion resistance steel, dia 0.8 mm (0.30 in.)
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 25-23-47-000-012-A
Removal of the Door Linings of the LH FWD Emergency Exit Door, zone 231
TASK 25-23-47-000-013-A
Removal of the Door Linings of the RH FWD Emergency Exit Door at zone 251 or RH AFT at zone 252 or LH AFT at zone 232.
TASK 25-23-47-000-802-A
Removal of the Door Linings of the Emergency Exit, zones 251/252
TASK 25-23-47-400-012-A
Installation of the Door Linings of the LH FWD Emergency Exit Door, zone 231
TASK 25-23-47-400-013-A
Installation of the Door Linings of the RH FWD Emergency Exit Door at zone 251, or RH AFT at zone 252, or LH AFT at zone 232.
TASK 25-23-47-400-802-A
Installation of the Door Linings of the Emergency Exit, zones 251/252
TASK 52-22-00-010-001-A
Opening of the Emergency Exit Doors from the Passenger Compartment
TASK 52-22-00-410-001-A
Closing of the Emergency Exit Doors from the Passenger Compartment
TASK 52-22-00-710-001-A
Operational Check
TASK 52-22-00-820-002-A
Adjustment of the Emergency Exit Door
TASK 52-22-00-820-005-A
Adjustment of the Balance Mechanism
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 52-71-00-820-007-A-01
Adjustment of the Proximity Switches of the Emergency Exit Doors with the ECAM Display Unit (DU)
F Adjustment of the Inboard Handle ** ON A/C NOT FOR ALL
F Adjustment of the Inboard Handle ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 52-22-00-010-064-A ** ON A/C NOT FOR ALL
A. Get Access
   (1) Partly open the applicable emergency exit door (referred to as door) (Ref. AMM TASK 52-22-00-010-001).
   (2) Make sure that the special precaution procedure for the door damper and emergency operation cylinder is done (Ref. AMM TASK 52-22-00-860-003).
Subtask 52-22-00-865-056-A ** ON A/C NOT FOR ALL
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
121VUEIS/SLIDES/ARM AND WARN/FLT15WNP11
121VUEIS/SLIDES/ARM AND WARN/GND13WNP10
121VUEIS/SDAC1 AND 2/DOOR/DET/PAX48WVP05
Subtask 52-22-00-860-069-A ** ON A/C NOT FOR ALL
C. Aircraft Maintenance Configuration
   (1) Make sure that the door linings are removed (Ref. AMM TASK 25-23-47-000-012) and (Ref. AMM TASK 25-23-47-000-013).
   (2) Add a 98D52207557000 BALLAST WEIGHT - EMERGENCY EXIT on the door to replace the weight of the door linings during the adjustment procedure.
   (3) Make sure that the door stays in the lifted position. If not, increase the tension of the torsion spring (Ref. AMM TASK 52-22-00-820-005).
   (4) Make sure that the door is adjusted to its correct center position (Ref. AMM TASK 52-22-00-820-002).
   (5) Close the applicable door (Ref. AMM TASK 52-22-00-410-001).
Subtask 52-22-00-860-069-B ** ON A/C NOT FOR ALL
C. Aircraft Maintenance Configuration
   (1) Make sure that the door linings are removed (Ref. AMM TASK 25-23-47-000-802).
   (2) Add a 98D52207557000 BALLAST WEIGHT - EMERGENCY EXIT on the door to replace the weight of the door linings during the adjustment procedure.
   (3) Make sure that the door stays in the lifted position. If not, increase the tension of the torsion spring (Ref. AMM TASK 52-22-00-820-005).
   (4) Make sure that the door is adjusted to its correct center position (Ref. AMM TASK 52-22-00-820-002).
   (5) Close the applicable door (Ref. AMM TASK 52-22-00-410-001).
4. Procedure
Subtask 52-22-00-820-053-A ** ON A/C NOT FOR ALL
A. Adjustment of the Inboard Handle
F Adjustment of the Inboard Handle ** ON A/C NOT FOR ALL
F Adjustment of the Inboard Handle ** ON A/C NOT FOR ALL
F Location of the Rigging Pins ** ON A/C NOT FOR ALL
   (1) Measure the distance "A" between the head of the stop bolt (76) and the surface of the upper stop fitting (71).
NOTE: The distance "A" must be between 13.3 mm (0.5236 in.) and 13.5 mm (0.5315 in.).
   (2) If the distance "A" is out of tolerance, adjust the stop bolt (76) as follows:
     (a) Remove the stop bolt (76), the washers (72) and (73), the spacers (74) and the shim washer (75).
     (b) Prepare the shim washer (75) so that the distance "A" is correct.
     (c) Install the stop bolt (76) together with the shim washer (75), the spacers (74) and the washers (72) and (73).
   (3) Measure the distance "B" between the head of the stop bolt (82) and the surface of the lower stop fitting (83).
NOTE: The distance "B" must be between 13.2 mm (0.5197 in.) and 13.4 mm (0.5276 in.).
   (4) If the distance "B" is out of tolerance, adjust the stop bolt (82) as follows:
     (a) Move the inboard handle (77) up to get access to the stop bolt (82).
     (b) Remove the stop bolt (82), the washers (78) and (79), the spacers (80) and the shim washer (81).
     (c) Prepare the shim washer (81) so that the distance "B" is correct.
     (d) Install the stop bolt (82) together with the shim washer (81), the spacers (80) and the washers (78) and (79).
     (e) Move the inboard handle (77) down and make sure that the door is correctly closed.
   (5) Install the rigging pin (91) into the intervening lever (92) and make sure that it engages also into the door structure.
NOTE: The rigging pin (91) is part of the 98D52208282000 PIN-RIGGING,DOOR MECHANISM.
   (6) Adjust the length of the connection rod (93) as follows:
     (a) If required, cut and remove the lockwire and loosen the jam nuts (96).
     (b) Turn the rod (94) until the inboard lever (77) touches the stop bolt (82).
     (c) Tigthen the jam nuts (96) and safety them with the lockwire, corrosion resistance steel, dia 0.8 mm (0.30 in.) on the locking devices (95).
Subtask 52-22-00-820-055-A ** ON A/C NOT FOR ALL
B. Adjustment of the Locking Shaft
F Adjustment of the Inboard Handle ** ON A/C NOT FOR ALL
F Adjustment of the Inboard Handle ** ON A/C NOT FOR ALL
F Location of the Rigging Pins ** ON A/C NOT FOR ALL
F Clearances at the Locking Shaft ** ON A/C NOT FOR ALL
   (1) Make sure that the inboard handle (77) is correctly adjusted and the rigging pin (91) is installed into the intervening lever (92).
   (2) Install the rigging pin (97) into the target lever (98) and make sure that it engages in the door structure.
NOTE: The rigging pin (97) is part of the 98D52208282000 PIN-RIGGING,DOOR MECHANISM.
   (3) If you can not install the rigging pin (97), adjust the length of the connection rod (107) as follows:
     (a) If required, cut and remove the lockwire and loosen the jam nuts (108).
     (b) Turn the rod (110) until you can install the rigging pin (97) into the door structure.
     (c) Make sure that the engaging lever (111) touches the fork lever (112).
     (d) If not, turn the rod (110) as required.
     (e) Measure the clearance "C" between the adjustment screw (114) of the fork lever (112) and the engaging lever (111).
NOTE: The clearance "C" must be between 1.8 mm (0.0709 in.) and 2.2 mm (0.0866 in.).
     (f) If required, cut and remove the lockwire, loosen the nut (113) and turn the adjustment screw (114) to adjust the clearance "C" correctly.
     (g) Tigthen the nut (113) and safety it with the lockwire, corrosion resistance steel, dia 0.8 mm (0.30 in.) on the fork lever (112).
     (h) Tigthen the jam nuts (108) and safety them with the lockwire, corrosion resistance steel, dia 0.8 mm (0.30 in.) on the locking devices (109).
   (4) Measure the distance "D" between the head of the stop bolt (119) and the actuation lever (105).
NOTE: The distance "D" must be between 0.2 mm (0.0079 in.) and 0.4 mm (0.0157 in.).
   (5) If the distance "D" is out of tolerance, adjust the stop bolt (119) as follows:
     (a) Remove the nut (122), the washers (120) and (123), the shim washer (121) and the stop bolt (119) from the stop fitting (106).
     (b) Prepare the shim washer (121) so that the distance "D" is correct.
     (c) Install the stop bolt (119) together with the shim washer (121), the washers (120) and (123) and the nut (122).
   (6) Measure the distance "E" between the head of the stop bolt (124) and the twin lever (104).
NOTE: The distance "E" must be between 0.2 mm (0.0079 in.) and 0.4 mm (0.0157 in.).
   (7) If the distance "E" is out of tolerance, adjust the stop bolt (124) as follows:
     (a) Remove the nut (127), the washers (125) and (128), the shim washer (126) and the stop bolt (124) from the stop fitting (118).
     (b) Prepare the shim washer (126) so that the distance "E" is correct.
     (c) Install the stop bolt (124) together with the shim washer (126), the washers (125) and (128) and the nut (127).
   (8) Remove the rigging pins (91) and (97).
   (9) Adjust the dead center position of the locking shaft (103) as follows:
     (a) Move the inboard lever (77) up and put a GAGE - SLIP (129) between the stop bolt (119) and the actuation lever (105).
NOTE: The thickness of the gage (129) must be between 2.6 mm (0.1024 in.) and 2.8 mm (0.1102 in.).
     (b) If required, cut and remove the lockwire from the nut (116).
     (c) Turn the adjustment screw (115) of the actuation lever (105) until it touches the surface of the indication lever (117).
     (d) Tigthen the nut (116) and safety it with the lockwire, corrosion resistance steel, dia 0.8 mm (0.30 in.) on the actuation lever (105).
   (10) Adjust the indication of the locking mechanism as follows:
     (a) Move the inboard lever (77) up so that the door is fully lifted.
     (b) Make sure that the red "UNLOCKED" label (100) is in the center of the indication plate (101).
     (c) If not, loosen the screws (102), put the indication plate (101) in the correct position as required and tighten the screws (102) again.
     (d) Move the inboard lever (77) down to close the door.
     (e) Make sure that the green "LOCKED" label (99) is in the center of the indication plate (101).
     (f) If not, replace the self-adhesive labels (99) and (100) so that they are in the correct center position of the indication plate (101).
Subtask 52-22-00-820-056-B ** ON A/C NOT FOR ALL
C. Adjustment of the Drift Pin Assembly and the Locking Hook
   (1) Measure the clearance "J" between the top of the drift pin assembly (141) and the fuselage beam (142).
NOTE: The clearance "J" must be between 2.7 mm (0.1063 in.) and 3.3 mm (0.1299 in.).
   (2) If the clearance "J" is out of tolerance, add or remove the upper the adjustment washers (143) and (144) as follows:
     (a) Open the door to get access to the top of the drift pin assembly (141).
     (b) Remove the stop screw (147) together with the adjustment washers (143) and (144) and the sealing assy (146).
     (c) Add or remove the upper the adjustment washers (143) and (144) as required until the clearance "J" is correct.
     (d) Install the stop screw (147) together with the adjustment washers (143) and (144) and the sealing assy (146).
     (e) TORQUE the stop screw (147) to between 0.7 and 0.6 m.daN (61.95 and 53.10 lbf.in ) T.
     (f) Close the door again.
   (3) Measure the clearance "G" and "H" between the locking hook (133) and the lock fitting (132).
NOTE: The clearance "G" and "H" must be between 0.5 mm (0.0197 in.) and 0.1 mm (0.0039 in.).
   (4) If the clearance "G" is out of tolerance, adjust the length of the connection rod (136) as follows:
     (a) If required, cut and remove the lockwire and loosen the jam nuts (134).
     (b) Turn the rod (137) until the clearance "G" is correct.
     (c) Tigthen the jam nuts (134) and safety them with the lockwire, corrosion resistance steel, dia 0.8 mm (0.30 in.) on the locking devices (135).
   (5) If the clearance "H" is out of tolerance, change the position of the lock fitting (132) as follows:
     (a) Loosen the nuts (138) and the bolts (140).
     (b) Change the position between the lock fitting (132) and the serrated plate (131) until the clearance "H" is correct.
     (c) Tighten the bolts (140) and the nuts (138).
Subtask 52-22-00-820-057-A ** ON A/C NOT FOR ALL
D. Adjustment of the Outboard Handle
F Adjustment of the Outboard Handle ** ON A/C NOT FOR ALL
   (1) Make sure that the outboard handle (152) is in its fully moved down position.
   (2) Make sure that the contour of the outboard handle (152) is align with the door skin.
   (3) If not, adjust the skin offset of the outboard handle (152) as follows:
     (a) Move the outboard handle (152) fully up.
     (b) Loosen the screw (168) and turn the eccentric roller (167) as required to adjust the skin offset.
     (c) If the skin offset is correct, tighten the screw (168).
   (4) Measure the clearance "K" between the roller (155) of the outboard handle (152) and the support fitting (153).
NOTE: The clearance "K" must be between 0.1 mm (0.0039 in.) and 0.2 mm (0.0079 in.).
   (5) If the clearance "K" is out of tolerance, adjust the position of the support fitting (153) as follows:
     (a) Move the outboard handle (152) fully up.
     (b) Remove the screws (162), the washers (161) and the support fitting (153) with the shim set (160).
     (c) Add or remove the shim sheets (156), (157), (158) or (159) as required until the clearance "K" is correct.
     (d) Put the support fitting (153) and the shim set (160) in position and attach them with the screws (162) and the washers (161).
   (6) Operate the outboard handle (152) fully up so that the door is in the lifted position.
   (7) Move the door inboard and operate the outboard handle down into the recess of the door skin.
   (8) Make sure that the safety handle (151) moves automatically in position to align with the contour of the outboard handle (152).
   (9) If the safety handle (151) does not move in its correct position, adjust the thickness of the shim set (154) as follows:
     (a) Remove the screws (163) and the shim set (154) from the door structure.
     (b) Add or remove the shims (164), (165) and (166) as required.
     (c) Install the shim set (154) and the screws (163) on the door structure.
Subtask 52-22-00-710-052-A ** ON A/C NOT FOR ALL
E. Test Procedure
   (1) Do an operational test to make sure that the applicable door operates satisfactorily (Ref. AMM TASK 52-22-00-710-001).
   (2) Make sure that the proximity switches of the applicable door operates satisfactorily (Ref. AMM TASK 52-71-00-820-007).
5. Close-up
Subtask 52-22-00-410-058-A ** ON A/C NOT FOR ALL
A. Close Access
   (1) Remove the 98D52207557000 BALLAST WEIGHT - EMERGENCY EXIT from the door.
   (2) Make sure that the work area is clean and clear of tools and other items.
   (3) Install the door linings (Ref. AMM TASK 25-23-47-400-012) and (Ref. AMM TASK 25-23-47-400-013) on the applicable door.
   (4) Do the special precaution on the door damper and emergency operation cylinder (Ref. AMM TASK 52-22-00-860-004).
   (5) Close the door correctly (Ref. AMM TASK 52-22-00-410-001).
Subtask 52-22-00-410-058-B ** ON A/C NOT FOR ALL
A. Close Access
   (1) Remove the 98D52207557000 BALLAST WEIGHT - EMERGENCY EXIT from the door.
   (2) Make sure that the work area is clean and clear of tools and other items.
   (3) Install the door linings (Ref. AMM TASK 25-23-47-400-802) on the applicable door.
   (4) Do the special precaution on the door damper and emergency operation cylinder (Ref. AMM TASK 52-22-00-860-004).
   (5) Close the door correctly (Ref. AMM TASK 52-22-00-410-001).
Subtask 52-22-00-865-057-A ** ON A/C NOT FOR ALL
B. Make sure that this(these) circuit breaker(s) is(are) closed:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
121VUEIS/SLIDES/ARM AND WARN/FLT15WNP11
121VUEIS/SLIDES/ARM AND WARN/GND13WNP10
121VUEIS/SDAC1 AND 2/DOOR/DET/PAX48WVP05
[Rev.10 from 2021] 2026.04.02 06:27:37 UTC