-
push the pushbutton adjacent to the SYSTEM SELF-TEST indication.
2. On the MCDU:
-
push the pushbutton adjacent to the RETURN display.
-
push the pushbutton adjacent to the RETURN display.
-
push the pushbutton adjacent to the RETURN display.
On the MCDU:
-
the APU menu page comes on.
-
the APU SYSTEM SELF-TEST page comeson and shows the messageIN PROGRESS.
-if the test is satisfactory, the message TEST OK comes on.
On the MCDU:
-
the APU menu page comes on.
-
the SYSTEM REPORT/TEST page comes on.
-
the CFDS page comes on.
R EFF : 001-049, 101-105, 107-107, 151-199, 49-51-52Page 408 201-210, Config-2 Aug 01/05
CES Subtask 49-51-52-710-057
D. Test the APU Surge Control System.
(1)
Start and operate the APU (Ref. TASK 49-00-00-860-008).
(2)
Examine the surge control valve area for air leaks. No leaks are permitted.
(3)
Make sure that the surge control valve Visual-indicator is in the OPEN position.
(4)
Make sure that the APU X-BLEED switch is in the AUTO position.
(5)
Do this Test.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the panel 30VU:
-
push the APU BLEED pushbutton switch to the ON position.
-
push the PACK 1 and PACK 2 pushbutton switches to on.
2. IN the APU compartment:
-make an inspection of the surge control valve visual-position indicator.
3. In the cockpit:
-do a dry run on the main engine (Ref. TASK 71-00-00-710-001).
4. On the panel 30VU :
-release the PACK 1 and PACK 2 pushbutton switches to the OFF position.
-push the APU BLEED pushbutton switch to the off position.
On the panel 30VU:
-
the ON light in the APU BLEEDpushbutton switch comes on.
-
the OFF lights in the PACK 1 and PACK2 pushbutton switches go off.
In the APU compartment:
-
the surge control valve indicator isapproximately in the half openposition.
In the APU compartment:
-
the surge control valve indicator is approximately in the CLOSED position.
On the panel 30VU:
-
the OFF lights in the PACK 1 and PACK2 pushbutton switches come on.
-
the ON light in the APU BLEEDpushbutton switch goes off.
R EFF : 001-049, 101-105, 107-107, 151-199, 49-51-52Page 409 201-210, Config-2 Aug 01/05
CES
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------In the APU compartment:
-the surge control valve position indicator must be in the open position.
(6) Stop the APU (Ref. TASK 49-00-00-860-009).
5. Close-up
________ Subtask 49-51-52-410-052
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.
(3)
Close the APU access doors 315AL, 316AR (Ref. TASK 52-41-00-410-001).
(4)
Remove the access platform(s). Subtask 49-51-52-860-057
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).
R EFF : 001-049, 101-105, 107-107, 151-199, 49-51-52Page 410 201-210, Config-2 Aug 01/05
CES VALVE - BLEED CONTROL - REMOVAL/INSTALLATION
____________________________________________
TASK 49-51-53-000-001
Removal of the Bleed Control Valve (8051KM) (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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