Installation of the Control Box
TASK 25-52-69-400-001-A
Installation of the Control Box
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 25-52-69-860-050-A ** ON A/C NOT FOR ALL
Subtask 25-52-69-910-050-A ** ON A/C NOT FOR ALL
Subtask 25-52-69-865-060-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.03.31 23:38:41 UTC
Installation of the Control Box
WARNING:
DO NOT GET THE FLUID ON YOUR SKIN OR IN YOUR EYES. IF YOU DO:
- FLUSH IT AWAY WITH CLEAN WATER
- GET MEDICAL AID.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
CAUTION:
USE ONLY THE SPECIFIED MATERIALS AND OBEY THE INSTRUCTIONS FROM THE MATERIAL MANUFACTURERS. OTHER MATERIALS CAN CAUSE DAMAGE TO THE SURFACE PROTECTION OF THE COMPONENTS AND THE RELATED AREA.
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 2M (6 FT) |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | 1 | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.06LCG9) | Non Hardening Jointing Putty-Medium Temp. Area - - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 130 | FWD CARGO COMPT AFT BULKHEAD OF AVNCS COMPT TO FWD PRESSURE BULKHEAD OF WING CENTER BOX |
| 150 | AFT CARGO COMPARTMENT FWD PRESS BULKHEAD TO AFT BULKHEAD OF AFT CARGO COMPARTMENT |
| REFERENCE | DESIGNATION |
|---|---|
| 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 25-54-12-400-003-A | Installation of the Sidewall Panels in the Forward Cargo Compartment |
| TASK 25-55-12-400-003-A | Installation of the Sidewall Panels in the Aft Cargo Compartment - FR59/FR65 |
| TASK 52-30-00-860-001-A | Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
| TASK 52-30-00-860-002-A | Close the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
Subtask 25-52-69-860-050-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Make sure that the forward and/or aft cargo-compartment door is opened (Ref. AMM TASK 52-30-00-860-001).
(2) Make sure that the ACCESS PLATFORM 2M (6 FT) is in position at the opening of the applicable cargo-compartment door.
(3) Make sure that the warning notice is in position at the applicable control panel of the cargo loading system.
Subtask 25-52-69-865-058-A ** ON A/C NOT FOR ALL (1) Make sure that the forward and/or aft cargo-compartment door is opened (Ref. AMM TASK 52-30-00-860-001).
(2) Make sure that the ACCESS PLATFORM 2M (6 FT) is in position at the opening of the applicable cargo-compartment door.
(3) Make sure that the warning notice is in position at the applicable control panel of the cargo loading system.
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 | |||
| 2000VU | SEMI AUTO CLS-FWD | 3MY | E08 |
| 2000VU | SEMI AUTO CLS-FWD | 2MY | E06 |
| 2001VU | SEMI AUTO CLS-AFT | 103MY | D08 |
| 2001VU | SEMI AUTO CLS-AFT | 102MY | D06 |
Subtask 25-52-69-910-050-A ** ON A/C NOT FOR ALL
A. Preparation for Installation
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Clean the component interfaces and the adjacent area.
(3) Do an inspection of the component interfaces and the adjacent area.
(4) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the threads of the screws (6).
Subtask 25-52-69-420-050-A ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Clean the component interfaces and the adjacent area.
(3) Do an inspection of the component interfaces and the adjacent area.
(4) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the threads of the screws (6).
B. Installation of the Control Box
(1) Put the control box (5) in correct installation position.
(2) Install the washers (7) and the screws (6).
(3) Remove the CAP-BLANKING from each electrical connector and receptacle.
(4) Make sure that all the electrical connections are clean and in the correct condition.
(5) Connect the electrical connectors (1) and (2) to the receptacles (3) and (4).
Subtask 25-52-69-860-051-A ** ON A/C NOT FOR ALL (1) Put the control box (5) in correct installation position.
(2) Install the washers (7) and the screws (6).
(3) Remove the CAP-BLANKING from each electrical connector and receptacle.
(4) Make sure that all the electrical connections are clean and in the correct condition.
(5) Connect the electrical connectors (1) and (2) to the receptacles (3) and (4).
C. Preparation for the Test
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002)
(2) Lower the latch element of the XZ-single latches 32.
(3) Remove the WARNING NOTICE(S).
Subtask 25-52-69-865-059-A ** ON A/C NOT FOR ALL (1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002)
(2) Lower the latch element of the XZ-single latches 32.
(3) Remove the WARNING NOTICE(S).
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 25-52-69-710-050-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 2000VU | SEMI AUTO CLS-FWD | 3MY | E08 |
| 2000VU | SEMI AUTO CLS-FWD | 2MY | E06 |
| 2001VU | SEMI AUTO CLS-AFT | 103MY | D08 |
| 2001VU | SEMI AUTO CLS-AFT | 102MY | D06 |
E. Test
(1) Do this test:
5. Close-up(1) Do this test:
| ACTION | RESULT |
|---|---|
| For forward cargo compartment: | |
| 1.On the cargo compartment floor: | On the cargo compartment floor: |
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| 2.On control panel 2020VU1: | In the cargo compartment: |
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| 3.On control panel 2020VU1: | In the ball mat area: |
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| 4.On control panel 2020VU1: | On the cargo compartment floor: |
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| 5.On control panel 2020VU1: | On control panel 2020VU1: |
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| 6.On the cargo compartment floor: | On the cargo compartment floor: |
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| For aft cargo compartment: | |
| 7.On control panel 2020VU2: | In the cargo compartment: |
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| 8.On control panel 2020VU2: | In the ball mat area: |
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| 9.On control panel 2020VU2: | On the cargo compartment floor: |
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| 10.On control panel 2020VU2: | On control panel 2020VU2: |
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Subtask 25-52-69-865-060-A ** ON A/C NOT FOR ALL
A. Open, safety and tag this(these) circuit breaker(s):
Subtask 25-52-69-410-050-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 2000VU | SEMI AUTO CLS-FWD | 3MY | E08 |
| 2000VU | SEMI AUTO CLS-FWD | 2MY | E06 |
| 2001VU | SEMI AUTO CLS-AFT | 103MY | D08 |
| 2001VU | SEMI AUTO CLS-AFT | 102MY | D06 |
B. Put the aircraft back to the serviceable condition.
(1) Put the WARNING NOTICE(S) on the control panel of the loading system to tell persons not to use it.
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Install the sidewall panel in the forward (Ref. AMM TASK 25-54-12-400-003) and/or aft cargo compartment (Ref. AMM TASK 25-55-12-400-003).
Subtask 25-52-69-865-061-A ** ON A/C NOT FOR ALL (1) Put the WARNING NOTICE(S) on the control panel of the loading system to tell persons not to use it.
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Install the sidewall panel in the forward (Ref. AMM TASK 25-54-12-400-003) and/or aft cargo compartment (Ref. AMM TASK 25-55-12-400-003).
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 25-52-69-410-051-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 2000VU | SEMI AUTO CLS-FWD | 3MY | E08 |
| 2000VU | SEMI AUTO CLS-FWD | 2MY | E06 |
| 2001VU | SEMI AUTO CLS-AFT | 103MY | D08 |
| 2001VU | SEMI AUTO CLS-AFT | 102MY | D06 |
D. Close Access
(1) Remove the WARNING NOTICE(S).
(2) Remove the access platform(s).
(3) Close the forward and/or aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-002).
(4) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(1) Remove the WARNING NOTICE(S).
(2) Remove the access platform(s).
(3) Close the forward and/or aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-002).
(4) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
Control Box