W DOC AIRBUS | AMM A320F

Removal of the Door Handle Assembly and the Related Linkage Mechanism


TASK 52-31-21-000-010-A
Removal of the Door Handle Assembly and the Related Linkage Mechanism


CAUTION: IMMEDIATELY AFTER YOU OPEN THE CARGO COMPARTMENT DOOR, RECORD ON THE WORK CARD ON THE DOOR, THE DATE AND TIME WHEN YOU OPENED IT. IF THE CARGO COMPARTMENT DOOR STAYS OPEN FOR 12 HOURS OR MORE, YOU MUST BLEED THE HYDRAULIC SYSTEM RELATED TO IT. IF YOU DO NOT OBEY THESE PRECAUTIONS, THE DOOR CAN CLOSE SUDDENLY WHEN YOU SET THE DOOR TO "CLOSE". THIS CAN CAUSE DAMAGE TO THE DOOR AND TO THE AIRCRAFT STRUCTURE.
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
ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE
No specific
AR
NUT - (NAS 509-4)
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
825AR
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 52-30-00-860-001-A
Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
F Access Cover and Protection Plugs ** ON A/C NOT FOR ALL
F Access Cover and Protection Plugs ** ON A/C NOT FOR ALL
F Door Handle ** ON A/C NOT FOR ALL
F Linkage Mechanism ** ON A/C NOT FOR ALL
F Door Handle ** ON A/C NOT FOR ALL
F Linkage Mechanism ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 52-31-21-010-068-A
A. Get Access
   (1) Open the FWD cargo-compartment door (referred to as cargo door) and safety the the cargo door with the actuator safety locks (Ref. AMM TASK 52-30-00-860-001).
   (2) Remove the access panel 825AR from the cargo door.
   (3) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position below the opened cargo door.
   (4) Remove the screws (3) and (4) and the washer (2) and the access panel from the inner skin of the cargo door.
   (5) Remove the protection plug (5) from the edge member FR28.
Subtask 52-31-21-865-074-A
B. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
121VUHYDRAULIC/HYD POWER/Y3803GXN30
** ON A/C NOT FOR ALL
121VUHYDRAULIC/HYD POWER/Y3803GXN31
** ON A/C ALL
122VUDOORS/CARGO1MJT12
123VUY HYD/ELEC/PUMP3802GXAB06
123VUY HYD/ELEC/ELEC PUMP/NORM3801GXAB03
4. Procedure
Subtask 52-31-21-020-070-A
A. Removal of the Door Handle
   (1) Make sure that the door handle (14) is in the UNLOCKED position.
   (2) Install a NUT - (NAS 509-4) (18) on the spring bolt (19) to keep the handle spring (20) in position.
   (3) Remove the control rod (57) from the shaft lever (25) as follows:
     (a) Remove and discard the cotter pin (61) from the nut (60).
     (b) Remove the nut (60), washers (59) and the bolt (58).
     (c) Disconnect the fork-end of the control shaft (57) from the shaft lever (25).
   (4) Remove the connection rod (45) from the Maltese-cross latch (32) as follows:
     (a) Remove and discard the cotter pin (46) from the nut (47).
     (b) Remove the nut (47), washers (48) and the bolt (49).
     (c) Disconnect the fork-end of the connection rod (45) from the Maltese-cross latch (32).
   (5) Remove the door handle (14) from the door structure (17) as follows:
     (a) Remove the screws (29) and the lock device (30) from the door structure (17).
     (b) Carefully move the door handle shaft (26) in the rear direction.
     (c) Remove the door handle (14) and the adjustment washers (15) and (16) from the door structure (17) while you remove the door handle shaft (26).
NOTE: Record the quantity of the adjustment washers (15) and (16) for easier installation.
Subtask 52-31-21-020-071-A ** ON A/C NOT FOR ALL
B. Removal of the Linkage Mechanism
WARNING: BE CAREFUL WHEN YOU REMOVE OR INSTALL THE SPRING. THE TENSION IN THE SPRING CAN CAUSE INJURY TO PERSONS.
   (1) Remove the gas spring (27) as follows:
     (a) Remove the nut (62), the washer (63) and the bolt (64) from the shaft lever (25).
     (b) Remove the nuts (69), the washers (66) and the bolts (65) from the door strucutre (67) and the mounting bracket (68).
     (c) Carefully remove the mounting bracket (67) from the door structure (68) and disassemble the shaft lever (25) from the serrated shaft (31).
     (d) Remove and discard the cotter pins (22) from the pins (24).
     (e) Remove the pins (24) and the washers (23) and (28) to disconnect the gas spring (27) from the shaft lever (25) and the mounting bracket (68).
   (2) Remove the serrated shaft (31) from the door structure (38) as follows:
     (a) Remove the nut (50), the washer (51) and the bolt (39) and disconnect the spring bolt (19) from the roller lever (33).
     (b) Remove the nut (37), the washer (36) and the bolt (35) from the Malteser-cross latch (34).
     (c) Carefully move the serrated shaft (31) rearward and collect the Maltese-cross latch (32), the roller lever (33) and the Maltese-cross lock (34).
   (3) If required, remove the handle spring (20) as follows:
     (a) Remove the mounting nut (18) from the spring bolt (19).
     (b) Remove the spring bolt (19) together with the handle spring (20) from the door beam 4.
     (c) Disassemble the handle spring (20) from the spring bolt (19).
   (4) If required, remove the connection rod (45) from the link lever (40) as follows:
     (a) Remove and discard the cotter pin (41) from the nut (42).
     (b) Remove the nut (42), washers (43) and the bolt (44).
     (c) Disconnect the lower fork-end of the connection rod (45) from the link lever (40).
   (5) If required, remove the control rod (57) from the locking shaft lever (52) as follows:
     (a) Remove and discard the cotter pin (53) from the nut (54).
     (b) Remove the nut (54), washers (55) and the bolt (56).
     (c) Disconnect the lower fork-end of the control rod (57) from the locking shaft lever (52).
Subtask 52-31-21-020-071-B ** ON A/C NOT FOR ALL
WARNING: BE CAREFUL WHEN YOU REMOVE OR INSTALL THE SPRING. THE TENSION IN THE SPRING CAN CAUSE INJURY TO PERSONS.
B. Removal of the Linkage Mechanism
F Linkage Mechanism ** ON A/C NOT FOR ALL
   (1) Remove the gas spring (27) as follows:
     (a) Remove the nut (62), the washer (63) and the bolt (64) from the shaft lever (25).
     (b) Remove the nuts (68), the washers (66) and the bolts (65) from the door structure and the mounting bracket (67).
     (c) Carefully remove the mounting bracket (67) from the door structure and disassemble the shaft lever (25) from the serrated shaft (31).
     (d) Remove and discard the cotter pins (22) from the pins (24).
     (e) Remove the pins (24) and the washers (23) and (28) to disconnect the gas spring (27) from the shaft lever (25) and the mounting bracket (67).
   (2) Remove the serrated shaft (31) from the door structure as follows:
     (a) Remove the nut (50), the washer (51) and the bolt (39) and disconnect the spring bolt (19) from the roller lever (33).
     (b) Remove the nut (37), the washer (36) and the bolt (35) from the Malteser-cross latch (34).
     (c) Carefully move the serrated shaft (31) rearward and collect the Maltese-cross latch (32), the roller lever (33) and the Maltese-cross lock (34).
   (3) If necessary, remove the handle spring (20) as follows:
     (a) Remove the mounting nut (18) from the spring bolt (19).
     (b) Remove the spring bolt (19), the bush (71) and the handle spring (20) from the door beam 4.
     (c) Disassemble the handle spring (20) from the spring bolt (19).
   (4) If necessary, remove the connection rod (45) from the link lever (40) as follows:
     (a) Remove and discard the cotter pin (41) from the nut (42).
     (b) Remove the nut (42), washers (43) and the bolt (44).
     (c) Disconnect the lower fork-end of the connection rod (45) from the link lever (40).
   (5) If necessary, remove the control rod (57) from the locking shaft lever (52) as follows:
     (a) Remove and discard the cotter pin (53) from the nut (54).
     (b) Remove the nut (54), washers (55) and the bolt (56).
     (c) Disconnect the lower fork-end of the control rod (57) from the locking shaft lever (52).
[Rev.10 from 2021] 2026.04.02 06:46:11 UTC