(3)
Remove the warning notice(s).
(4)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
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_______________________________________
TASK 28-21-00-710-001
Operational Test of the Wing-Tank Fuel Control
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______ START A TASK ON OR NEAR:
-
THE FLIGHT CONTROLS
-
THE FLIGHT CONTROL SURFACES
-
THE LANDING GEAR AND THE RELATED DOORS
-COMPONENTS THAT MOVE.
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
1. Reason for the Job
__________________
To make sure that the fuel pumps and their low pressure indications operate correctly.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s) No specific safety barriers
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-11-28-650-003 Pressure Refuel with Automatic Control 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 28-25-00-650-001 Pressure Defuel 28-25-00-869-001 Fuel Transfer 31-60-00-860-001 EIS Start Procedure 31-60-00-860-002 EIS Stop Procedure
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3. Job Set-up
__________
Subtask 28-21-00-941-066
A. Safety Precautions
(1) Put the safety barriers in position.
Subtask 28-21-00-860-051-A
B. Aircraft Maintenance Configuration
WARNING : MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED
_______ BEFORE YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT.
WARNING : OBEY THE FUEL SAFETY PROCEDURES.
_______
(1)
Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
(2)
Do the EIS start procedure (ECAM only) (Ref. TASK 31-60-00-860-001), then: - on the ECAM control panel (CP), push (in) the FUEL pushbutton
switch (P/BSW)
-make sure that the FUEL page shows on the ECAM lower Display Unit (DU).
(3) Make sure that each wing tank contains a minimum of 1000 kg (2204.6220 lb) of fuel. If necessary, refuel the wing tanks (Ref. TASK 12-11-28-650-003) or transfer fuel (Ref. TASK 28-25-00-869-001).
4. Procedure
_________
Subtask 28-21-00-865-055
A. Table of the circuit breakers used in this procedure:
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
R 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 123VU L WING TK/PUMP 1/STBY SPLY 11QA AD12 123VU R WING TK/PUMP 1/STBY SPLY 12QA AE12
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Subtask 28-21-00-710-050 R B. Operational Test of the Wing-Tank Fuel Control NOTE : Use the above table for the location of the circuit breakers used
____
in the test that follows.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the panel 40VU:
-make sure that all the fuel-pump P/BSWs are released (out).
2. On the panel 25VU:
-
put the ANN LT test switch to the TEST position
-
put the ANN LT switch to the BRT or DIM position.
3. On the panel 40VU:
R - push (in) the L TK PUMPS 1 R P/BSW. R R R
4. On the panel 121VU:
-Open, safety and tag this(these) circuit breaker(s): 1QA, 11QA.
On the panel 40VU:
-
make sure all the fuel pump P/BSW OFFlights are on.
-
make sure all the FUEL panel lightscome on
-
the FUEL panel lights go to the setconfiguration.
-
the L TK PUMPS 1 P/BSW FAULT light may come on momentarily and then go off
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