On the APU section of the overheadpanel 25VU:
-
the ON legend in the APU MASTER SWgoes off.
At the APU fuel pump 4QC on the FR42/ZONE 140:
-
the APU fuel pump stops.
5. Close-up
________ Subtask 49-31-00-410-057
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Remove the stepladder from the LH MLG door.
(3)
Close the LH MLG door. (Ref. TASK 32-12-00-410-001) Subtask 49-31-00-860-055
B.
Put the aircraft back to its initial configuration.
(1)
On the ECAM control panel, set the UPPER DISPLAY and LOWER DISPLAY potentiometers to OFF.
(2)
De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
FUEL DISTRIBUTION ((131-9(A))) - ADJUSTMENT/TEST
________________________________________________ TASK 49-31-00-710-003 Operational Test of the APU-Fuel Low-Pressure Circuit ((131-9(A))
1.
Reason for the Job
__________________
Refer to the MPD TASK: 493400-B1
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific stepladder 2.0 m (6 ft. 7 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
from the External Power 31-60-00-860-001 EIS Start Procedure 32-12-00-010-001 Open the Main Gear Doors for Access 32-12-00-410-001 Close the Main Gear Doors after Access 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))
3. Job Set-up
__________ Subtask 49-31-00-860-056
A. Aircraft Maintenance Configuration
(1)
Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
(2)
Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. TASK 31-60-00-860-001).
R EFF : 001-049, 101-105, 107-107, 151-199, 49-31-00Page 501 201-210, Config-2 Aug 01/05
CES
(3) On the FUEL overhead panel 40VU, make sure that all L TK PUMPS and the R TK PUMPS pushbutton switches are released (the OFF legends are on).
Subtask 49-31-00-865-063
B. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FUEL/X FEED/VALVE/MOT1 2QE A12 49VU APU/FUEL/BLOW OFF/PUMP 2QC B14 121VU APU/FUEL/BLOW OFF/CTL 1QC K39 121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41 121VU APU/FUEL/LP VALVE/CTL 1QF M40 121VU APU/FUEL/LP VALVE/SPLY 2QF M39 121VU APU/FUEL/PUMP/CTL 3QC M38 121VU FUEL/X FEED/VALVE/MOT2 1QE M24 121VU FUEL/L WING TK/PUMP2 SPLY 7QA N26 121VU FUEL/L WING TK/PUMP1 SPLY 1QA N23 121VU FUEL/R WING TK/PUMP2 SPLY 8QA Q26 121VU FUEL/R WING TK/PUMP1 SPLY 2QA Q23
Subtask 49-31-00-010-058
C. Get Access
(1)
Open the LH main landing-gear (MLG) door (Ref. TASK 32-12-00-010-001).
(2)
Put the stepladder in position at the LH MLG door.
R EFF : 001-049, 101-105, 107-107, 151-199, 49-31-00Page 502 201-210, Config-2 Aug 01/05
CES 4. Procedure
_________ Subtask 49-31-00-710-057
A. Operational Test of the APU Fuel Low Pressure Circuit
NOTE : You can feel with your hand when the APU fuel pump operates.
____
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the ECAM control panel:
-push the APU pushbutton switch.
2. On the FUEL overhead panel 40VU:
-push the L TK PUMPS 1
pushbutton switch.
3. Start and operate the APU (Ref. TASK 49-00-00-860-008).
NOTE : Operate the APU with no
____ electric and/or pneumatic load.
4. On the FUEL overhead panel 40VU:
-release the L TK PUMPS 1
pushbutton switch.
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