DOC AIRBUS | AMM A320FAdjustment of the Proximity Switches of the Avionics Compartment Doors 811, 812 and 824
TASK 52-71-00-820-008-A
Adjustment of the Proximity Switches of the Avionics Compartment Doors 811, 812 and 824
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. Referenced Information
3. Job Set-up
Subtask 52-71-00-861-062-A Subtask 52-71-00-010-075-A
Subtask 52-71-00-820-071-A
Subtask 52-71-00-420-060-A
[Rev.10 from 2021]
2026.04.02 07:24:15 UTC
Adjustment of the Proximity Switches of the Avionics Compartment Doors 811, 812 and 824
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.14QFB1) | Wire-Locking Dia: 0.8 mm CRES Nickel Alloy - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 811, 812, 824 |
| 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 52-41-00-010-002-A | Open the Avionics Compartment Doors for Access |
| TASK 52-41-00-410-002-A | Close the Avionics Compartment Doors after Access |
| TASK 52-71-00-710-001-A | Operational Test of the Door Warning System |
| FOR [36WV] (PROX SW-FRAME, FWD AVIONICS COMPT DOOR) | |
| TASK 53-12-13-000-001-A | Removal of the avionics compartment floor panels |
| TASK 53-12-13-400-001-A | Installation of the avionics compartment floor panels |
| FOR [40WV] (PROX SW-FRAME, AFT AVIONICS COMPT DOOR) | |
| TASK 53-12-13-000-001-A | Removal of the avionics compartment floor panels |
| TASK 53-12-13-400-001-A | Installation of the avionics compartment floor panels |
Proximity Switches - Avionics Compartment DoorsSubtask 52-71-00-861-062-A Subtask 52-71-00-010-075-A
B. Get Access
(1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position in front of the applicable avionics compartment door.
(2) Open the applicable avionics compartment door 811 or 812 or 824 (Ref. AMM TASK 52-41-00-010-002).
Subtask 52-71-00-865-063-A (1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position in front of the applicable avionics compartment door.
(2) Open the applicable avionics compartment door 811 or 812 or 824 (Ref. AMM TASK 52-41-00-010-002).
C. Open, safety and tag this(these) circuit breaker(s):
Subtask 52-71-00-020-058-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 121VU | EIS/SDAC1 AND 2/DOOR/DET/AVNCS | 46WV | P02 |
D. Removal of Components
(1) FOR [36WV] (PROX SW-FRAME, FWD AVIONICS COMPT DOOR)
(a) Remove the access panel 121CF (Ref. AMM TASK 53-12-13-000-001)
(2) FOR [40WV] (PROX SW-FRAME, AFT AVIONICS COMPT DOOR)
(a) Remove the access panel 128EG (Ref. AMM TASK 53-12-13-000-001)
4. Procedure(1) FOR [36WV] (PROX SW-FRAME, FWD AVIONICS COMPT DOOR)
(a) Remove the access panel 121CF (Ref. AMM TASK 53-12-13-000-001)
(2) FOR [40WV] (PROX SW-FRAME, AFT AVIONICS COMPT DOOR)
(a) Remove the access panel 128EG (Ref. AMM TASK 53-12-13-000-001)
Subtask 52-71-00-820-071-A
A. Adjustment of the Proximity Switch
(2) Disconnect the electrical connector of the proximity switch (1).
(3) Put blanking caps on the disconnected electrical connectors.
(4) Measure the clearance J2 between the target (2) and the proximity switch (1).
(a) Make sure that you turn the handle fully and push it into the recess.
(6) Measure the clearance J1 between the target (2) and the proximity switch (1).
(a) Cut the lockwire from the nut (3).
(b) Loosen the nut (3) of the target (2).
(c) Turn the target (2) until to get the correct clearance J1.
.
(e) Safety the nut (3) with14QFB1 Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -
(8) Remove the blanking caps from the electrical connector(s).
(9) Connect the electrical connector of the proximity switch (1) to its related connector.
Subtask 52-71-00-865-064-A WARNING:
DO NOT OPEN THE DOOR DURING THE ADJUSTMENT.
(1) Make sure that the door is open. (2) Disconnect the electrical connector of the proximity switch (1).
(3) Put blanking caps on the disconnected electrical connectors.
(4) Measure the clearance J2 between the target (2) and the proximity switch (1).
- The clearance J2 must be 5.2 mm (0.2047 in.) min.
(a) Make sure that you turn the handle fully and push it into the recess.
(6) Measure the clearance J1 between the target (2) and the proximity switch (1).
- The clearance J1 must be 1 -0.5 mm or +0.5 mm (0.0394 -0.0197 in. or +0.0197 in.).
(a) Cut the lockwire from the nut (3).
(b) Loosen the nut (3) of the target (2).
(c) Turn the target (2) until to get the correct clearance J1.
NOTE: The target (2) and the proximity switch (1) must not touch.
(d) TORQUE the nut (3) to between 0.7 and 0.6 m.daN (61.95 and 53.10 lbf.in ) . (e) Safety the nut (3) with
(8) Remove the blanking caps from the electrical connector(s).
(9) Connect the electrical connector of the proximity switch (1) to its related connector.
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 52-71-00-710-063-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 121VU | EIS/SDAC1 AND 2/DOOR/DET/AVNCS | 46WV | P02 |
C. Operational Test
(1) Do an operational test of the door warning system related to the avionics compartment doors (Ref. AMM TASK 52-71-00-710-001).
5. Close-up(1) Do an operational test of the door warning system related to the avionics compartment doors (Ref. AMM TASK 52-71-00-710-001).
Subtask 52-71-00-420-060-A
A. Installation of Components
(1) FOR [36WV] (PROX SW-FRAME, FWD AVIONICS COMPT DOOR)
(a) Install the access panel 121CF (Ref. AMM TASK 53-12-13-400-001).
(2) FOR [40WV] (PROX SW-FRAME, AFT AVIONICS COMPT DOOR)
(a) Install the access panel 128EG (Ref. AMM TASK 53-12-13-400-001).
Subtask 52-71-00-410-079-A (1) FOR [36WV] (PROX SW-FRAME, FWD AVIONICS COMPT DOOR)
(a) Install the access panel 121CF (Ref. AMM TASK 53-12-13-400-001).
(2) FOR [40WV] (PROX SW-FRAME, AFT AVIONICS COMPT DOOR)
(a) Install the access panel 128EG (Ref. AMM TASK 53-12-13-400-001).
B. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Open the applicable avionics compartment door 811 or 812 or 824 (Ref. AMM TASK 52-41-00-010-002).
(3) Go out of the avionics compartment.
(4) Close the applicable avionics compartment door 811 or
812 or
or 824 (Ref. AMM TASK 52-41-00-410-002).
(5) Remove the access platform(s).
Subtask 52-71-00-862-063-A (1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Open the applicable avionics compartment door 811 or 812 or 824 (Ref. AMM TASK 52-41-00-010-002).
(3) Go out of the avionics compartment.
(4) Close the applicable avionics compartment door 811 or
812 or
or 824 (Ref. AMM TASK 52-41-00-410-002).
(5) Remove the access platform(s).