(3) Make an entry in the logbook that the APU LP fuel-shutoff valve is reactivated. ________
5. Close-up
Subtask 28-29-00-410-053
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Remove the stepladder.
(3)
Close the main landing-gear doors Z734, Z744 (Ref. TASK 32-12-00-410-001).
Subtask 28-29-00-860-057
B. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
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APU LP FUEL SHUT OFF - ADJUSTMENT/TEST
______________________________________ TASK 28-29-00-710-001 Operational Test of the APU Low Pressure Fuel Valve using each individual Motor
in turn
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. 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
3. Job Set-up
__________ Subtask 28-29-00-860-050
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).
(3)
On the APU section of the overhead panel 25VU, make sure that the APU MASTER SW is in the off position (the ON legend is off).
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(4) On the FUEL overhead panel 40VU, make sure that all L TK PUMPS and R TK PUMPS pushbutton switches are released (the OFF legends are on).
Subtask 28-29-00-865-052
B. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------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
Subtask 28-29-00-865-057
Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU APU/FUEL/PUMP/CTL 3QC M38
4. Procedure
_________
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-210,
Subtask 28-29-00-710-050
A. Operational test of the APU LP Fuel Valve using each individual Motor in turn
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1.
On the circuit breaker panel
121VU:
- open the circuit breaker APU
FUEL LP VALVE CTL 1QF.
2.
On the ECAM control panel: On the lower ECAM display unit:
-push the FUEL pushbutton - the FUEL page comes into view.
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-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
switch. - the APU LP fuel valve position symbol is in the horizontal position (closed position).
3. On the APU section of the On the APU section of the overhead
overhead panel 25VU: - push the APU MASTER SW pushbutton switch. panel 25VU:- the ON legend comes on.
On the lower ECAM display unit: - the APU LP fuel valve position symbol moves from the horizontal to the
vertical position (open position).
4. On the APU section of the On the APU section of the overhead
overhead panel 25VU: - release the APU MASTER SW pushbutton switch. panel 25VU:- the ON legend goes off.
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