DOC AIRBUS | AMM A320FInstallation of the Roller and Proximity Switch Mechanism
TASK 52-11-31-400-004-A
Installation of the Roller and Proximity Switch Mechanism
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Expendable Parts
E. Referenced Information
3. Job Set-up
Subtask 52-11-31-860-051-A
Subtask 52-11-31-420-060-B
Subtask 52-11-31-865-063-A
[Rev.10 from 2021]
2026.04.02 06:27:25 UTC
Installation of the Roller and Proximity Switch 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 | AR | SHIM THICKNESS 0.2 MM (0.008 IN) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.03FBB1) | Mineral Oil base Grease-General Purpose Medium Temp. - |
| (Material No.03GBC1) | Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - |
| (Material No.14QFB1) | Wire-Locking Dia: 0.8 mm CRES Nickel Alloy - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 831, 831CZ, 831DZ, 831EZ, 841, 841CZ, 841DZ, 841EZ |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 1 | PIN COTTER | AIPC 53-16-01-23-010 |
| 15 | COTTER PIN | AIPC 53-16-01-23-020 |
| 38 | COTTER PIN | AIPC 53-16-01-23-020 |
| 7 | RIVET | AIPC 53-16-01-23-120 |
| 15 | COTTER PIN | AIPC 53-16-81-23-100 |
| 38 | COTTER PIN | AIPC 53-16-81-23-100 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-42-00-861-001-A | Energize the Ground Service Network from the External Power |
| TASK 24-42-00-862-001-A | De-energize the Ground Service Network Supplied from the External Power |
| TASK 25-23-46-400-001-A | Installation of the Door Linings on the Forward Passenger/Crew Doors |
| 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 52-71-00-820-001-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) |
Roller and Proximity Switch MechanismSubtask 52-11-31-860-051-A
A. Aircraft Maintenance Configuration
(1) Make sure that the access platforms are in position.
(2) Make sure that the special precautions are obeyed (Ref. AMM TASK 52-10-00-860-001).
(3) Make sure that the drain holes in the door structure are not obstructed.
(4) Make sure that the parts retained from the removed component are clean and in the correct condition.
(5) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001).
Subtask 52-11-31-865-062-A (1) Make sure that the access platforms are in position.
(2) Make sure that the special precautions are obeyed (Ref. AMM TASK 52-10-00-860-001).
(3) Make sure that the drain holes in the door structure are not obstructed.
(4) Make sure that the parts retained from the removed component are clean and in the correct condition.
(5) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001).
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
4. Procedure| 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 52-11-31-420-060-B
A. Installation of the Roller and Proximity Switch Mechanism
(1) Apply a thin layer of Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) to the bushes (5) and (18) and the roller (11).
(3) Put in position the pin (2) and the washer (3).
(4) Safety the pin (2) with a new AIPC 53-16-01-23-010 PIN COTTER (1).
(5) Install the bolt (23) and the washer (22) on the bellcrank (30).
(6) Put in position the spring (29) and the bellcrank (30).
(7) Put in position the spacer (19).
(8) Install the shouldered bushes (5) and (18) and the lever (6).
(9) Install the bolt (16), the washer (17) and the nut (4). Tighten the nut (4).
(10) Put in position the roller (11) and the eccentric yoke (12).
(11) Put in position the bushes (13) and (9) and the washer (10).
(12) Install the nut (14) and the bolt (8). Do not tighten the nut (14).
(13) Install the fitting (27) and the proximity switch (26).
(14) Install the two washers (25), the two bolts (24) and the two nuts (28). Tighten the two nuts (28).
(15) Remove the blanking caps from the electrical connectors.
(16) Connect the electrical connector to the proximity switch (26).
Subtask 52-11-31-710-050-A (1) Apply a thin layer of Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) to the bushes (5) and (18) and the roller (11).
NOTE: You can use Mineral Oil base Grease-General Purpose Medium Temp. - (Material No.03FBB1) as an alternative.
(2) Install the AIPC 53-16-01-23-120 RIVET (7) the trunnion (21) and the spring (20) on the lever (6). (3) Put in position the pin (2) and the washer (3).
(4) Safety the pin (2) with a new AIPC 53-16-01-23-010 PIN COTTER (1).
(5) Install the bolt (23) and the washer (22) on the bellcrank (30).
(6) Put in position the spring (29) and the bellcrank (30).
(7) Put in position the spacer (19).
(8) Install the shouldered bushes (5) and (18) and the lever (6).
(9) Install the bolt (16), the washer (17) and the nut (4). Tighten the nut (4).
(10) Put in position the roller (11) and the eccentric yoke (12).
(11) Put in position the bushes (13) and (9) and the washer (10).
(12) Install the nut (14) and the bolt (8). Do not tighten the nut (14).
(13) Install the fitting (27) and the proximity switch (26).
(14) Install the two washers (25), the two bolts (24) and the two nuts (28). Tighten the two nuts (28).
(15) Remove the blanking caps from the electrical connectors.
(16) Connect the electrical connector to the proximity switch (26).
B. Adjustment of the Proximity Switch 11WV1 (11WV2)
(1) Adjust the proximity switch 11WV1 (11WV2) of the locking hook of the passenger/crew doors (Ref. AMM TASK 52-71-00-820-001).
(2) Tighten the nut (14). Safety the nut (14) with a new AIPC 53-16-01-23-020 COTTER PIN (15) or AIPC 53-16-81-23-100 COTTER PIN (15).
Subtask 52-11-31-210-053-B (1) Adjust the proximity switch 11WV1 (11WV2) of the locking hook of the passenger/crew doors (Ref. AMM TASK 52-71-00-820-001).
(2) Tighten the nut (14). Safety the nut (14) with a new AIPC 53-16-01-23-020 COTTER PIN (15) or AIPC 53-16-81-23-100 COTTER PIN (15).
C. Adjustment of the Upper Hook
(1) Open the door
(2) Put the SHIM THICKNESS 0.2 MM (0.008 IN) in position in the upper guide fittings.
(3) Close the door.
(4) Make sure that the clearance M1 between the locking hook (41) and the roller (34) is 0.5 +0.3 mm or -0.3 mm (0.0197 +0.0118 in. or -0.0118 in.).
If the clearance M1 is not in the tolerances, do as follows:
(a) Remove and discard the lockwire from the nuts (42).
(b) Loosen the nuts (42) and release the lockwashers (43).
(c) Loosen the clamp (45).
(d) Turn the rod (44) one turn to make it shorter.
(e) Remove the nut (37).
(f) Pull out the bush (36) by 4 mm (0.1575 in.) to disengage it from the stop flat (39).
(g) Turn the bush (36) by the required correction value:
-0.9, -0.6, +0.6, +1.5 or +1.2.
Make sure that the bush (36) stays engaged with its slots in the eccentric yoke (35).
(i) Install and tighten the nut (37).
(j) Turn the barrel of the rod (44) until the locking hook (41) touches the roller (34).
(k) Install the new AIPC 53-16-01-23-020 COTTER PIN (38) or AIPC 53-16-81-23-100 COTTER PIN (38).
(l) Tighten the nuts (42) and the clamp (45).
(m) Make sure that the lockwashers (43) are correctly positioned.
(n) Safety the nuts (42) and the lockwashers (43) with14QFB1 Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -
(5) Remove the SHIM THICKNESS 0.2 MM (0.008 IN) from the upper guide fittings.
(6) Make sure that when the door is closed, the roller (34) turns freely.
5. Close-up(1) Open the door
(2) Put the SHIM THICKNESS 0.2 MM (0.008 IN) in position in the upper guide fittings.
(3) Close the door.
(4) Make sure that the clearance M1 between the locking hook (41) and the roller (34) is 0.5 +0.3 mm or -0.3 mm (0.0197 +0.0118 in. or -0.0118 in.).
If the clearance M1 is not in the tolerances, do as follows:
(a) Remove and discard the lockwire from the nuts (42).
(b) Loosen the nuts (42) and release the lockwashers (43).
(c) Loosen the clamp (45).
(d) Turn the rod (44) one turn to make it shorter.
(e) Remove the nut (37).
(f) Pull out the bush (36) by 4 mm (0.1575 in.) to disengage it from the stop flat (39).
(g) Turn the bush (36) by the required correction value:
-0.9, -0.6, +0.6, +1.5 or +1.2.
Make sure that the bush (36) stays engaged with its slots in the eccentric yoke (35).
NOTE: The slotted drive between the bush (36) and the eccentric yoke (35) has a foolproofing device (one position only).
(h) Push back the bush (36) until the correction value aligns with the mark of the stop flat (39). (i) Install and tighten the nut (37).
(j) Turn the barrel of the rod (44) until the locking hook (41) touches the roller (34).
(k) Install the new AIPC 53-16-01-23-020 COTTER PIN (38) or AIPC 53-16-81-23-100 COTTER PIN (38).
(l) Tighten the nuts (42) and the clamp (45).
(m) Make sure that the lockwashers (43) are correctly positioned.
(n) Safety the nuts (42) and the lockwashers (43) with
(5) Remove the SHIM THICKNESS 0.2 MM (0.008 IN) from the upper guide fittings.
(6) Make sure that when the door is closed, the roller (34) turns freely.
Subtask 52-11-31-865-063-A
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 52-11-31-410-059-A | 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 |
B. Installation of the Component
(1) Install the door insulation blankets.
(2) Install the door lining panels (Ref. AMM TASK 25-23-46-400-001).
(a) For the left door:
831EZ 831CZ 831DZ.
(b) For the right door:
841EZ 841CZ 841DZ.
Subtask 52-11-31-410-060-A (1) Install the door insulation blankets.
(2) Install the door lining panels (Ref. AMM TASK 25-23-46-400-001).
(a) For the left door:
831EZ 831CZ 831DZ.
(b) For the right door:
841EZ 841CZ 841DZ.
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 fwd passenger/crew door 831 ( 841) (Ref. AMM TASK 52-10-00-410-001).
(4) Remove the access platform(s).
Subtask 52-11-31-862-051-A (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 fwd passenger/crew door 831 ( 841) (Ref. AMM TASK 52-10-00-410-001).
(4) Remove the access platform(s).
D. Aircraft Maintenance Configuration
(1) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).
(1) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).