B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-23-51-400-001 Installation of the APU Generator 8XS 24-42-00-861-001 Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through
the Ground Connector 52-41-00-010-001 Open the APU Doors for Access 52-41-00-410-001 Close the APU Doors after Access AIPC 49110405010 49-11-00-991-003 Fig. 803
3. Job Set-up
__________ Subtask 49-11-00-860-056
A. Aircraft Maintenance Configuration
(1)
Energize the ground service network
(Ref. TASK 24-42-00-861-001).
(2)
On the panel 25VU make sure that the APU MASTER SW p/bsw is OFF.
(3)
Make sure that hydraulic systems are depressurized
(Ref. TASK 29-00-00-864-001).
Subtask 49-11-00-865-055
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
Subtask 49-11-00-010-055
C. Get Access
(1)
Put the access platform in position below the APU access doors 315AL and 316AR.
(2)
Open the APU access doors 315AL, 316AR (Ref. TASK 52-41-00-010-001).
(3)
Set the LIGHT SW 11LJ to the ON position.
(4)
Put a container below the cover assembly (3) to collect the oil which will flow when you remove the drain plug (5).
4. Procedure
_________
(Ref. Fig. 803/TASK 49-11-00-991-003) Subtask 49-11-00-020-052
A. Removal of the Generator Substitution Kit WARNING : DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT
_______
BURNS WHEN YOU DO THE MAINTENANCE TASK(S).
(1)
Remove and discard the lockwire from the drain plug (5).
(2)
Remove the drain plug (5) from the cover assembly (3).
(3)
Remove the electrical connector (7) and the electrical cable connections (9) from the generator cable support (6).
(4)
Put blanking caps on the disconnected electrical connectors.
(5)
Remove the nuts (4) from the cover assembly (3) and from the generator cable support (6).
(6)
Remove the COVER - ASSEMBLY, APU GEN (3) and the generator cable support (6) (Ref. AIPC 49110405010) from the mounting flange (1).
(7)
Do an inspection of the component interface and/or the adjacent area.
(8)
Clean the component interface and/or the adjacent area.
(9)
Make sure that the work area is clean and clear of tool(s) and other items.
Subtask 49-11-00-420-052
B. Install the APU generator 8XS to the mounting flange (1) (Ref. TASK 24-23-51-400-001).
5. Close-up
________ Subtask 49-11-00-410-055
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Set the LIGHT SW to the OFF position.
(3)
Close the APU access doors 315AL, 316AR (Ref. TASK 52-41-00-410-001).
(4)
Remove the access platform(s). Subtask 49-11-00-865-056
B.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
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