(e)
Clean the APU air intake flap internally/externally as necessary.
(2)
Check for oil/fuel migration externally/internally into the APU air intake duct. If the air intake and air intake duct are found to be contaminated, clean the air intake duct (Ref. TASK 49-16-00-100-003).
5. Close-up
________ Subtask 49-00-00-410-070
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Set the LIGHT control SW 11LJ to the OFF position.
R EFF : 001-049, 101-105, 107-107, 151-199, 49-00-00Page 519 201-210, Config-2 Aug 01/05
CES (3) Close the APU access doors 316AR, 315AL (Ref. TASK 52-41-00-410-001).
(4)
Remove the access platform(s). Subtask 49-00-00-865-106
B.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD.
Subtask 49-00-00-860-099
C. 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).
R EFF : 001-049, 101-105, 107-107, 151-199, 49-00-00Page 520 201-210, Config-2 Aug 01/05
CES TASK 49-00-00-790-006
Air Leak Test with closed APU Doors
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 -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 19-010 USA AMS 5687 LOCKWIRE STAINLESS STEEL ANNEALED 0.8MM DIA (Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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 49-00-00-860-008 APU Start by External Power (131-9(A)) 49-00-00-860-009 APU Shutdown by External Power (131-9(A))
R EFF : 001-049, 101-105, 107-107, 151-199, 49-00-00Page 521 201-210, Config-2 Aug 01/05
CES -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
52-41-00-010-001 Open the APU Doors for Access 52-41-00-410-001 Close the APU Doors after Access 49-00-00-991-015 Fig. 501
3. Job Set-up
__________ Subtask 49-00-00-860-105
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 49-00-00-865-115
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 49-00-00-010-071
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 and 316AR (Ref. TASK 52-41-00-010-001).
(3)
Set the LIGHT control SW 11LJ to the ON position.
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