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CES 3. Job Set-up
__________ Subtask 49-41-43-860-056
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 there is 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).
(5)
Make sure that the access platform is in position below the APU compartment.
(6)
Make sure that the APU access doors 315AL and 316AR are open (Ref. TASK 52-41-00-010-001).
(7)
Make sure that the LIGHT SW 11LJ is set in the ON position.
(8)
Make sure that the LT connector P10 is disconnected from the ignition exciter.
Subtask 49-41-43-865-059
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
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CES 4. Procedure
_________ (Ref. Fig. 401/TASK 49-41-43-991-003) Subtask 49-41-43-420-052
A. Installation of the Igniter Lead
(1)
Do an inspection of the component interface and/or the adjacent area.
(2)
Clean the component interface and/or the adjacent area.
(3)
Remove the blanking cap and connect the igniter lead (2) to the igniter plug (3) and the ignition unit (4).
(4)
TORQUE the igniter lead connector (2) to 0.4 m.daN (35.39 lbf.in).
(5)
Remove the blanking cap and connect the electrical connector (1). Subtask 49-41-43-865-060
B.
Make sure that this(these) circuit breaker(s) is(are) closed:
1KD, 2KD.
Subtask 49-41-43-710-052
C. Do the self-test of the ECB (Ref. TASK 49-00-00-710-009).
5. Close-up
________ Subtask 49-41-43-410-052
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the APU access doors 315AL, 316AR (Ref. TASK 52-41-00-410-001).
(3)
Remove the access platform(s).
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CES Subtask 49-41-43-860-057
B. Aircraft Maintenance Configuration
(1)
Pressurize the reservoirs of the hydraulic systems. (Ref. TASK 29-14-00-614-002).
(2)
De-energize the ground service network
(Ref. TASK 24-42-00-862-001).
(3)
Remove the warning notice(s).
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CES
ELECTRICAL LEAD - IGNITER PLUG - REMOVAL/INSTALLATION
_____________________________________________________ TASK 49-41-43-000-002 Removal of the Igniter Electrical Lead (APS 3200) WARNING : DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS
_______ WHEN YOU DO THE MAINTENANCE TASK(S).
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
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