(4)
Remove the access platform(s).
(5)
Remove the warning notice(s). Subtask 49-73-31-865-054
C.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD
Subtask 49-73-31-860-052
D. Aircraft Maintenance Configuration
(1) De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
DATA MEMORY MODULE - REMOVAL/INSTALLATION
_________________________________________ TASK 49-73-32-000-001 Removal of the Data Memory Module (8062KM) (131-9(A)) WARNING : DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS
_______ WHEN YOU DO THE MAINTENANCE TASK(S).
CAUTION : DO NOT REPLACE THE ECB AND THE DATA MEMORY MODULE AT THE SAME TIME.
_______
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking caps
No specific circuit breaker(s) safety clip(s)
No specific warning notice
No specific access platform 3.5 m (11 ft. 6 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 52-41-00-010-001 Open the APU Doors for Access 49-73-32-991-001 Fig. 401
R EFF : 001-049, 101-105, 107-107, 151-199, 49-73-32Page 401 201-210, Aug 01/05
CES 3. Job Set-up
__________ Subtask 49-73-32-860-050
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)
Put a warning notice in the cockpit to tell persons not to start the APU.
(4)
Make sure that hydraulic systems are depressurized
(Ref. TASK 29-00-00-864-001).
Subtask 49-73-32-865-050
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 49-73-32-010-050
C. Get Access
(1)
Put the access platform 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 control SW 11LJ to the ON position.
R EFF : 001-049, 101-105, 107-107, 151-199, 49-73-32Page 402 201-210, Aug 01/05
CES 4. Procedure
_________ (Ref. Fig. 401/TASK 49-73-32-991-001) Subtask 49-73-32-020-050
A. Removal of the Data Memory Module CAUTION : MAKE SURE THAT THE DATA ARE ERASED FROM THE MEMORY OF THE
_______ REPLACEMENT DATA MEMORY MODULE. IF THE DATA STAY IN THE REPLACEMENT MODULE, THEY WILL ERASE THE LIFE DATA IN THE ECB FOR THE APU ON THE AIRCRAFT. THE ECB WILL THEN CALCULATE THE LIFE DATA OF A DIFFERENT APU.
(1)
Disconnect the electrical connector (1) from the module (4).
(2)
Put blanking caps on the disconnected electrical connectors.
(3)
Remove the bolts (2) and the washers (3) from the module (4).
(4)
Remove the module (4) from the APU.
R EFF : 001-049, 101-105, 107-107, 151-199, 49-73-32Page 403 201-210, Aug 01/05
CES
Data Memory Module Figure 401/TASK 49-73-32-991-001
R EFF : 001-049, 101-105, 107-107, 151-199, 201-210, 49-73-32 Page 404 Aug 01/05
CES
TASK 49-73-32-400-001
Installation of the Data Memory Module (8062KM) (131-9(A))
CAUTION : DO NOT REPLACE THE ECB AND THE DATA MEMORY MODULE AT THE SAME TIME.
_______
1. Reason for the Job__________________ Self Explanatory
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