DOC AIRBUS | AMM A320FInstallation of the Arm/Disarm Unit
TASK 52-22-22-400-001-A
Installation of the Arm/Disarm Unit
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Expendable Parts
D. Referenced Information
3. Job Set-up
Subtask 52-22-22-865-051-A ** ON A/C NOT FOR ALL
Subtask 52-22-22-910-050-A ** ON A/C NOT FOR ALL
(1) If removed, install the link rod (15) on the arm/disarm unit (11) as follows:
(a) If removed, install the bush (17) in the fork-end of the link rod (15).
(b) Put the fork-end of the link rod (15) in position on the lever of the arm/disarm unit (11).
(c) Install the bolt (16), the washers (14), the bush (18) and the nut (12).
(d) Tighten the nut (12) and safety it with the new AIPC 52-22-22-04-100 COTTER PIN (13).
(2) If removed, install the spring unit (33) on the arm/disarm unit (11) as follows:
(a) Put the fork-end of the spring unit (33) on the lever of the arm/disarm unit (11).
(b) Install the pin (36) and the washers (37).
(c) Safety the pin (36) with the new AIPC 52-22-22-04-100 COTTER PIN (38).
(3) Put the arm/disarm unit (11) in position and attach with the bolts (8) and the washers (7) on the door structure.
(4) Put the indicator plate (10) in position and attach it with the screws (9), the washers (44) and the nuts (43) on the door structure.
(5) If removed, install the link rod (15) on the intermediate shaft lever (21) as follows:
(a) If removed, install the bush (20) on the intermediate shaft lever (21).
(b) Put the eye-end of the link rod (15) in position on the fork-end of the intermediate shaft lever (21).
(c) Install the bolt (22), the washers (23), the bush (19) and the nut (25).
(d) Tighten the nut (25) and safety it with the new AIPC 52-22-22-04-100 COTTER PIN (24).
(6) Attach the spring unit (33) on the structure bracket (28) as follows:
(a) If removed, install the bush (34) in the fork-end of the structure bracket (28).
(b) Put the eye-end of the spring unit (33) in position in the fork-end of the structure bracket (28).
(c) Install the bolt (26), the washers (27) and (29), the bush (32) and the nut (30).
(d) Tighten the nut (30) and safety it with the new AIPC 52-22-22-04-100 COTTER PIN (31).
(7) Attach the spring rod assy (40) to the lever of the arm/disarm unit (11) as follows:
(a) Put the fork-end of the spring rod assy (40) in position on the lever of the arm/disarm unit (11).
(b) Install the pin (39) and the washer (42).
(c) Safety the pin (39) with the new AIPC 52-22-22-03-100 COTTER PIN (41).
(8) Attach the push rod (1) to the arm/disarm unit (11) as follows:
(a) Put the lower eye-end of the push rod (1) in position on the fork-lever of the arm/disarm unit (11).
(b) Install the bolt (35), the washers (2) and (6), the spacer (3) and the nut (5).
(c) Tighten the nut (5) and safety it with the new AIPC 52-22-22-03-100 COTTER PIN (4).
Subtask 52-22-22-720-050-A ** ON A/C NOT FOR ALL
Subtask 52-22-22-865-052-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:27:43 UTC
Installation of the Arm/Disarm Unit
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobSelf 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 |
| 98A52107632000 | 1 | PIN - SAFETY SLIDE |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.03HBD9) | Synthetic Ester base Grease-General Purpose Low Temp - |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 4 | COTTER PIN | AIPC 52-22-22-03-100 |
| 41 | COTTER PIN | AIPC 52-22-22-03-100 |
| 13 | COTTER PIN | AIPC 52-22-22-04-100 |
| 24 | COTTER PIN | AIPC 52-22-22-04-100 |
| 31 | COTTER PIN | AIPC 52-22-22-04-100 |
| 38 | COTTER PIN | AIPC 52-22-22-04-100 |
| 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 52-22-00-720-001-A | Operational Check of Door Unlocking from Inside and Outside in "Armed" Position , of Escape Slide Release Mechanism Arming/Disarming, and Functional Check... |
| 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 |
Arm/Disarm UnitSubtask 52-22-22-865-051-A ** ON A/C NOT FOR ALL
A. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
Subtask 52-22-22-860-050-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR 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. Aircraft Maintenance Configuration
(1) Make sure that the applicable emergency exit door (referred to as door) is closed (Ref. AMM TASK 52-22-00-010-001).
(2) Make sure that the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE is in position below the closed door.
(3) Make sure that the special precaution on the door damper and emergency operation cylinder is completed (Ref. AMM TASK 52-22-00-860-003).
(4) 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).
Subtask 52-22-22-860-050-B ** ON A/C NOT FOR ALL (1) Make sure that the applicable emergency exit door (referred to as door) is closed (Ref. AMM TASK 52-22-00-010-001).
(2) Make sure that the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE is in position below the closed door.
(3) Make sure that the special precaution on the door damper and emergency operation cylinder is completed (Ref. AMM TASK 52-22-00-860-003).
(4) 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).
B. Aircraft Maintenance Configuration
(1) Make sure that the applicable emergency exit door (referred to as door) is closed (Ref. AMM TASK 52-22-00-010-001).
(2) Make sure that the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE is in position below the closed door.
(3) Make sure that the special precaution on the door damper and emergency operation cylinder is completed (Ref. AMM TASK 52-22-00-860-003).
(4) Make sure that the door linings are removed (Ref. AMM TASK 25-23-47-000-802).
4. Procedure(1) Make sure that the applicable emergency exit door (referred to as door) is closed (Ref. AMM TASK 52-22-00-010-001).
(2) Make sure that the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE is in position below the closed door.
(3) Make sure that the special precaution on the door damper and emergency operation cylinder is completed (Ref. AMM TASK 52-22-00-860-003).
(4) Make sure that the door linings are removed (Ref. AMM TASK 25-23-47-000-802).
Subtask 52-22-22-910-050-A ** ON A/C NOT FOR ALL
A. Preparation for Installation
(1) Make sure that the parts retained from the removed component are clean and in the correct condition.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Make sure that the bushes (17), (18), (19), (20), (32) and (34) are in the correct condition.
(4) Apply Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to all surfaces of parts which move.
(5) If necessary, pull up the slide control handle of the replacement arm/disarm unit and install the 98A52107632000 PIN - SAFETY SLIDE
Subtask 52-22-22-420-050-A ** ON A/C NOT FOR ALL (1) Make sure that the parts retained from the removed component are clean and in the correct condition.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Make sure that the bushes (17), (18), (19), (20), (32) and (34) are in the correct condition.
(4) Apply Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to all surfaces of parts which move.
(5) If necessary, pull up the slide control handle of the replacement arm/disarm unit and install the 98A52107632000 PIN - SAFETY SLIDE
WARNING:
USE PROTECTIVE GOGGLES WHEN YOU REMOVE OR INSTALL A COTTER PIN. EACH TIME YOU REMOVE A COTTER PIN DURING THE TASK, DISCARD IT IMMEDIATELY. A LOOSE COTTER PIN CAN CUT YOU OR MAKE YOU BLIND.
B. Installation of the Arm/Disarm Unit (1) If removed, install the link rod (15) on the arm/disarm unit (11) as follows:
(a) If removed, install the bush (17) in the fork-end of the link rod (15).
(b) Put the fork-end of the link rod (15) in position on the lever of the arm/disarm unit (11).
(c) Install the bolt (16), the washers (14), the bush (18) and the nut (12).
(d) Tighten the nut (12) and safety it with the new AIPC 52-22-22-04-100 COTTER PIN (13).
(2) If removed, install the spring unit (33) on the arm/disarm unit (11) as follows:
(a) Put the fork-end of the spring unit (33) on the lever of the arm/disarm unit (11).
(b) Install the pin (36) and the washers (37).
(c) Safety the pin (36) with the new AIPC 52-22-22-04-100 COTTER PIN (38).
(3) Put the arm/disarm unit (11) in position and attach with the bolts (8) and the washers (7) on the door structure.
(4) Put the indicator plate (10) in position and attach it with the screws (9), the washers (44) and the nuts (43) on the door structure.
(5) If removed, install the link rod (15) on the intermediate shaft lever (21) as follows:
(a) If removed, install the bush (20) on the intermediate shaft lever (21).
(b) Put the eye-end of the link rod (15) in position on the fork-end of the intermediate shaft lever (21).
(c) Install the bolt (22), the washers (23), the bush (19) and the nut (25).
(d) Tighten the nut (25) and safety it with the new AIPC 52-22-22-04-100 COTTER PIN (24).
(6) Attach the spring unit (33) on the structure bracket (28) as follows:
(a) If removed, install the bush (34) in the fork-end of the structure bracket (28).
(b) Put the eye-end of the spring unit (33) in position in the fork-end of the structure bracket (28).
(c) Install the bolt (26), the washers (27) and (29), the bush (32) and the nut (30).
(d) Tighten the nut (30) and safety it with the new AIPC 52-22-22-04-100 COTTER PIN (31).
(7) Attach the spring rod assy (40) to the lever of the arm/disarm unit (11) as follows:
(a) Put the fork-end of the spring rod assy (40) in position on the lever of the arm/disarm unit (11).
(b) Install the pin (39) and the washer (42).
(c) Safety the pin (39) with the new AIPC 52-22-22-03-100 COTTER PIN (41).
(8) Attach the push rod (1) to the arm/disarm unit (11) as follows:
(a) Put the lower eye-end of the push rod (1) in position on the fork-lever of the arm/disarm unit (11).
(b) Install the bolt (35), the washers (2) and (6), the spacer (3) and the nut (5).
(c) Tighten the nut (5) and safety it with the new AIPC 52-22-22-03-100 COTTER PIN (4).
C. Do the functional test to make sure that the slide release mechanism operates satisfactorily (Ref. AMM TASK 52-22-00-720-001).
5. Close-upSubtask 52-22-22-865-052-A ** ON A/C NOT FOR ALL
A. Make sure that this(these) circuit breaker(s) is(are) closed:
Subtask 52-22-22-410-051-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR 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. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the insulation mats in the door structure.
(3) Install the door linings (Ref. AMM TASK 25-23-47-400-012) and (Ref. AMM TASK 25-23-47-400-013) as required.
(4) Do the special precaution for the door damper and emergency operation cylinder (Ref. AMM TASK 52-22-00-860-004).
(5) Close applicable the door (Ref. AMM TASK 52-22-00-410-001).
(6) Remove the access platform(s).
Subtask 52-22-22-410-051-B ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the insulation mats in the door structure.
(3) Install the door linings (Ref. AMM TASK 25-23-47-400-012) and (Ref. AMM TASK 25-23-47-400-013) as required.
(4) Do the special precaution for the door damper and emergency operation cylinder (Ref. AMM TASK 52-22-00-860-004).
(5) Close applicable the door (Ref. AMM TASK 52-22-00-410-001).
(6) Remove the access platform(s).
B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the insulation mats in the door structure.
(3) Install the door linings (Ref. AMM TASK 25-23-47-400-802) as required.
(4) Do the special precaution for the door damper and emergency operation cylinder (Ref. AMM TASK 52-22-00-860-004).
(5) Close the applicable door (Ref. AMM TASK 52-22-00-410-001).
(6) Remove the access platform(s).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the insulation mats in the door structure.
(3) Install the door linings (Ref. AMM TASK 25-23-47-400-802) as required.
(4) Do the special precaution for the door damper and emergency operation cylinder (Ref. AMM TASK 52-22-00-860-004).
(5) Close the applicable door (Ref. AMM TASK 52-22-00-410-001).
(6) Remove the access platform(s).