Removal of the Generator Substitution Kit after Trouble Shooting (APS 3200)
TASK 49-11-00-000-004-A
Removal of the Generator Substitution Kit after Trouble Shooting (APS 3200)
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 49-11-00-860-053-A ** ON A/C NOT FOR ALL
Subtask 49-11-00-020-059-A ** ON A/C NOT FOR ALL
Subtask 49-11-00-410-059-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 01:26:40 UTC
Removal of the Generator Substitution Kit after Trouble Shooting (APS 3200)
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 4M (13 FT)-ADJUSTABLE |
| No specific | AR | CAP - BLANKING |
| No specific | AR | CONTAINER 1 L (1/4 USGAL) |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 315AL, 316AR |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-23-51-400-001-A | Installation of the APU Generator |
| TASK 24-23-51-400-001-A-01 | Installation of the APU Generator with the Minilift Hoist |
| 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 29-00-00-864-001-A | Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action |
| TASK 52-41-00-410-001-A | Close the APU Doors after Access |
Subtask 49-11-00-860-053-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) On the panel 25VU make sure that the APU MASTER SW pushbutton switch is off.
(3) Make sure that the hydraulic systems are depressurized
(Ref. AMM TASK 29-00-00-864-001).
(4) Put a CONTAINER 1 L (1/4 USGAL) below the cover assembly (3) to collect the oil which will flow when you remove the drain plug (5).
Subtask 49-11-00-865-062-A ** ON A/C NOT FOR ALL (1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) On the panel 25VU make sure that the APU MASTER SW pushbutton switch is off.
(3) Make sure that the hydraulic systems are depressurized
(Ref. AMM TASK 29-00-00-864-001).
(4) Put a CONTAINER 1 L (1/4 USGAL) below the cover assembly (3) to collect the oil which will flow when you remove the drain plug (5).
B. Open, safety and tag this(these) circuit breaker(s):
Subtask 49-11-00-010-059-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | APU/APU/CTL | 2KD | L42 |
| 121VU | APU/ECB/SPLY | 1KD | L41 |
C. Get Access
(1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position below the APU compartment.
(2) Open the APU access doors 315AL 316AR.
(3) Open the APU exhaust access fairing 317.
(4) Set the LIGHT switch to the ON position.
4. Procedure(1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position below the APU compartment.
(2) Open the APU access doors 315AL 316AR.
(3) Open the APU exhaust access fairing 317.
(4) Set the LIGHT switch to the ON position.
Subtask 49-11-00-020-059-A ** ON A/C NOT FOR ALL
A. Removal of the Generator Substitution Kit (APS 3200)
(1) Put a CONTAINER 1 L (1/4 USGAL) below the cover assembly (3) to collect the oil which will flow when you remove the drain plug (5).
(3) Remove the drain plug (5) from the cover assembly (3).
(4) Remove the electrical connector (7) and the electrical cable connections (9) from the generator cable support (6).
(5) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(6) Remove the nuts (4) from the cover assembly (3) and from the generator cable support (6).
(7) Remove the cover assembly (3) and the generator cable support (6) (Ref. AIPC 49-11-04-05-010) from the mounting flange (1).
(8) Do an inspection of the component interfaces and the adjacent area.
(9) Clean the component interfaces and the adjacent area.
(10) Make sure that the work area is clean and clear of tools and other items.
Subtask 49-11-00-420-054-A ** ON A/C NOT FOR ALL 5. Close-up(1) Put a CONTAINER 1 L (1/4 USGAL) below the cover assembly (3) to collect the oil which will flow when you remove the drain plug (5).
WARNING:
DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS WHEN YOU DO THE MAINTENANCE TASK(S).
(2) Remove and discard the lockwire from the drain plug (5). (3) Remove the drain plug (5) from the cover assembly (3).
(4) Remove the electrical connector (7) and the electrical cable connections (9) from the generator cable support (6).
(5) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(6) Remove the nuts (4) from the cover assembly (3) and from the generator cable support (6).
(7) Remove the cover assembly (3) and the generator cable support (6) (Ref. AIPC 49-11-04-05-010) from the mounting flange (1).
(8) Do an inspection of the component interfaces and the adjacent area.
(9) Clean the component interfaces and the adjacent area.
(10) Make sure that the work area is clean and clear of tools and other items.
Subtask 49-11-00-410-059-A ** ON A/C NOT FOR ALL
A. Close Access
(1) Set the LIGHT switch to the Off position.
(2) Close the APU access doors 315AL 316AR (Ref. AMM TASK 52-41-00-410-001).
(3) Close the APU exhaust access fairing 317.
(4) Remove the access platform(s).
Subtask 49-11-00-860-062-A ** ON A/C NOT FOR ALL (1) Set the LIGHT switch to the Off position.
(2) Close the APU access doors 315AL 316AR (Ref. AMM TASK 52-41-00-410-001).
(3) Close the APU exhaust access fairing 317.
(4) Remove the access platform(s).
APU Generator - Replacement