DOC AIRBUS | AMM A320FInstallation of the Data Loading Routing Box (DLRB)
TASK 31-38-34-400-001-A
Installation of the Data Loading Routing Box (DLRB)
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 31-38-34-860-050-A ** ON A/C NOT FOR ALL
Subtask 31-38-34-420-050-A ** ON A/C NOT FOR ALL
Subtask 31-38-34-410-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 00:36:45 UTC
Installation of the Data Loading Routing Box (DLRB)
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 2M (6 FT) - ADJUSTABLE |
| No specific | 1 | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 120 | AVIONICS COMPARTMENT |
| 824 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 20-21-15-912-001-A | Tightening Torques for Electrical Component Fasteners |
| TASK 24-41-00-861-002-A | Energize the Aircraft Electrical Circuits from the External Power |
| TASK 24-41-00-861-002-A-01 | Energize the Aircraft Electrical Circuits from the APU |
| TASK 24-41-00-861-002-A-02 | Energize the Aircraft Electrical Circuits from Engine 1(2) |
| TASK 24-41-00-862-002-A | De-energize the Aircraft Electrical Circuits Supplied from the External Power |
| TASK 24-41-00-862-002-A-01 | De-energize the Aircraft Electrical Circuits Supplied from the APU |
| TASK 24-41-00-862-002-A-02 | De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2) |
| 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 31-38-00-610-021-B | Uploading of the Data Base of the Data Loading Routing-Box (DLRB) |
| TASK 31-38-00-740-001-A | BITE Test of the Data Loading Routing-Box (DLRB) |
| 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 |
| ESPM 203341 | |
Data Loading Routing Box (102TD)Subtask 31-38-34-860-050-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) In the cockpit, make sure that the WARNING NOTICE(S) is (are) in position on the overhead panel to tell persons, not to start the Data Loading Selector.
(2) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001).
(3) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position at access door 824.
(4) Make sure that access door 824 is open (Ref. AMM TASK 52-41-00-010-002).
Subtask 31-38-34-860-050-C ** ON A/C NOT FOR ALL (1) In the cockpit, make sure that the WARNING NOTICE(S) is (are) in position on the overhead panel to tell persons, not to start the Data Loading Selector.
(2) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001).
(3) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position at access door 824.
(4) Make sure that access door 824 is open (Ref. AMM TASK 52-41-00-010-002).
A. Aircraft Maintenance Configuration
(1) In the cockpit, on center pedestal 11VU, make sure that the WARNING NOTICE(S) is(are) in position to tell persons not to operate the Data Loading Selector Unit (DLSU).
(2) Make sure that the ground service network is energized (Ref. AMM TASK 24-42-00-861-001).
(3) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position at access door 824.
(4) Make sure that access door 824 is open (Ref. AMM TASK 52-41-00-010-002).
Subtask 31-38-34-865-051-A ** ON A/C NOT FOR ALL (1) In the cockpit, on center pedestal 11VU, make sure that the WARNING NOTICE(S) is(are) in position to tell persons not to operate the Data Loading Selector Unit (DLSU).
(2) Make sure that the ground service network is energized (Ref. AMM TASK 24-42-00-861-001).
(3) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position at access door 824.
(4) Make sure that access door 824 is open (Ref. AMM TASK 52-41-00-010-002).
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | DATA/LOADER/SPLY | 3TD | J16 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | DLS&/DLRB/SPLY | 5TD | J15 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | DLSU &/DLRB/SPLY | 5TD | J15 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | DATA/LOADER/SPLY | 3TD | J39 |
| 121VU | DLSU &/DLRB/SPLY | 5TD | J38 |
Subtask 31-38-34-420-050-A ** ON A/C NOT FOR ALL
A. Installation of the DLRB
(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Put the DLRB (1) in position on its support (4).
(4) Install the washers (3) and the screws (2).
(5) Tighten the screws (2).
(6) Remove the CAP-BLANKING from each electrical connector and receptacle.
(7) Make sure that all the electrical connections are clean and in the correct condition.
(8) Connect the electrical connectors:
(b) Connect the electrical connector B (5) to the receptacle B of the DLRB.
(c) Connect the electrical connector C (5) to the receptacle C of the DLRB.
(d) Connect the electrical connector D (5) to the receptacle D of the DLRB.
(9) Torque the coupling screws (6) of the electrical connectors (5) (Ref. AMM TASK 20-21-15-912-001).
Subtask 31-38-34-420-050-C ** ON A/C NOT FOR ALL (1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Put the DLRB (1) in position on its support (4).
(4) Install the washers (3) and the screws (2).
(5) Tighten the screws (2).
(6) Remove the CAP-BLANKING from each electrical connector and receptacle.
(7) Make sure that all the electrical connections are clean and in the correct condition.
(8) Connect the electrical connectors:
NOTE: The configuration of the connector screws, prevents incorrect connection of the connectors A, B, C and D.
(a) Connect the electrical connector A (5) to the receptacle A of the DLRB.(b) Connect the electrical connector B (5) to the receptacle B of the DLRB.
(c) Connect the electrical connector C (5) to the receptacle C of the DLRB.
(d) Connect the electrical connector D (5) to the receptacle D of the DLRB.
(9) Torque the coupling screws (6) of the electrical connectors (5) (Ref. AMM TASK 20-21-15-912-001).
A. Installation of the Data Loading Routing Box (DLRB)
(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Put the DLRB (1) in position on its support (4).
(4) Install the washers (3) and the screws (2).
(5) Tighten the screws (2).
(6) Remove the CAP-BLANKING from each electrical connector and receptacle.
(7) Make sure that all the electrical connections are clean and in the correct condition.
(8) When you connect/install the components, refer to the match marks made during the removal procedure.
(9) Connect the electrical connectors (5) to the receptacles of the DLRB (1).
Subtask 31-38-34-865-052-A ** ON A/C NOT FOR ALL (1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Put the DLRB (1) in position on its support (4).
(4) Install the washers (3) and the screws (2).
(5) Tighten the screws (2).
(6) Remove the CAP-BLANKING from each electrical connector and receptacle.
(7) Make sure that all the electrical connections are clean and in the correct condition.
(8) When you connect/install the components, refer to the match marks made during the removal procedure.
(9) Connect the electrical connectors (5) to the receptacles of the DLRB (1).
NOTE: The configuration of the connector screws prevents incorrect connection of connectors A, B, C, D, E, F, G and H.
(10) Tighten the coupling screws (6) of the electrical connectors (5). Refer to ESPM 203341. B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 31-38-34-860-051-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | DATA/LOADER/SPLY | 3TD | J16 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | DLS&/DLRB/SPLY | 5TD | J15 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | DLSU &/DLRB/SPLY | 5TD | J15 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | DATA/LOADER/SPLY | 3TD | J39 |
| 121VU | DLSU &/DLRB/SPLY | 5TD | J38 |
C. Aircraft Maintenance Configuration
(1) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).
(2) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
Subtask 31-38-34-610-050-A ** ON A/C NOT FOR ALL (1) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).
(2) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
D. Do the uploading of the correct database of the DLRB with [102TD1] (Ref. AMM TASK 31-38-00-610-021).
Subtask 31-38-34-710-050-E ** ON A/C NOT FOR ALL E. Test
Subtask 31-38-34-740-050-B ** ON A/C NOT FOR ALL 5. Close-upNOTE: This test is a simulation, do not put a media disk into the Portable Data Loader (PDL).
| ACTION | RESULT |
|---|---|
1.On center pedestal 11VU, on the DLSU:
| On the display of the DLSU: The DB/N: PUSH NEXT/PREV indication comes into view. |
2.On center pedestal 11VU, on the DLSU:
| The FMGC1 NOT SELECTED indication comes into view. |
3.On center pedestal 11VU, on the DLSU:
| The FMGC1 SELECTED indication comes into view. |
4.On center pedestal 11VU, on the DLSU:
| The FMGC1 NOT SELECTED indication comes into view. |
Subtask 31-38-34-410-050-A ** ON A/C NOT FOR ALL
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the WARNING NOTICE(S).
(3) Close access door 824 (Ref. AMM TASK 52-41-00-410-002).
(4) Remove the access platform(s).
Subtask 31-38-34-862-050-A ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the WARNING NOTICE(S).
(3) Close access door 824 (Ref. AMM TASK 52-41-00-410-002).
(4) Remove the access platform(s).