A320 Trouble Shooting Manual 排故手册 FUEL 燃油2(85)

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 - the VALVE-REFUEL, CTR TK (10QU) and replace, if necessary (Ref. AMM TASK 28-25-51-000-002) and (Ref. AMM TASK 28-25-51-400-002).
 - the center tank refuel gallery and repair, if necessary. 7 When approximately 500 kg (1100 lb) of fuel has been moved
_ from the right wing tank to the left wing tank, set the left wing refuel valve to closed (SHUT) and let the right wing tank pumps run (operate) for five minutes more.
 NOTE : This step sets the conditions to see if the left wing
____ refuel valve can close and then increases the fuel pressure in the fuel galleries.
 a If the VALVE-REFUEL, L WING TK (7QU) did not close during
_ step 7_, replace it (Ref. AMM TASK 28-25-51-000-001) and (Ref. AMM TASK 28-25-51-400-001).
 b If any tank(s) FQI is seen to increase, examine the refuel
_ gallery in the related tank(s) and repair, as necessary.
 8 Defuel/transfer valve check.
_ a Set the SW-MODE SELECT/REFUEL/OFF/DEFUEL/XFR (3QU) to OFF
_ to close (shut) the defuel/transfer valve 11QM.
 b Release (out) the P/BSW-FUEL/X FEED (4QE) to close (shut)
_ the crossfeed valve 10QM.
 c Set the left wing refuel valve to open.
_
 d Set the right wing tank fuel pumps to on.

_
 e Check for any transfer from the right wing to the left

_
 wing.

 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : ALL ∞∞28-25-00∞∞∞∞∞∞∞∞∞∞Page 257
 Nov 01/04 CES If such a transfer occurs, do a check of and replace, if necessary, the VALVE-DEFUEL/TRANSFER (11QM) (Ref. AMM TASK 28-25-43-000-001) and (Ref. AMM TASK 28-25-43-400-001).

 

 (6) If no reason for the fuel spillage is known but the problem area has been identified, go to Para. 4.A. and do the tests listed for the (identified) tanks related systems.

 (7) If no reason for the fuel spillage is known and no fuel tank malfunction has been identified, go to Para. 4.A. and do all the tests given.

 4. Fault Isolation
_______________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 A. Procedure
 NOTE : The tests listed here are a guide only.
____ They can be done in an order (any) best suited to:
 - the local conditions in which the fuel spillage occurred

 - the tools and equipment available.

 If only a test is called for, take any resulting ECAM WARNING(s), failure message(s) and/or observation(s) to TSM Page Block (PB) 101 for the applicable Task number and do the necessary trouble shooting.
 (1) Make sure that the applicable refuel (transfer) task, as follows, was/is complied with in all respects:

 - Pressure Refuel with Automatic Control (Ref. AMM TASK 12-11-28-650-003)

 - Pressure Refuel with Manual Control (Ref. AMM TASK 12-11-28-650-004)

 - Pressure Refuel without Electric Power (Ref. AMM TASK 12-11-28-650-005)

 - Overwing (Gravity) Refuel (Ref. AMM TASK 12-11-28-650-006)

 - Fuel Transfer (Ref. AMM TASK 28-25-00-869-001).

 

 (2) Do the Inspection of the Tank Venting System (Ref. AMM TASK 28-12-00-200-001).

 (3) On the opposite side wing to the fuel spillage, do a General Visual Inspection of NACA Vent Intake For Signs of Obstruction (blockage) (Ref. AMM TASK 28-12-47-200-001).

 (4) Do an Inspection of the Overpressure Protectors (Wing and Vent Surge Tanks) (Ref. AMM TASK 28-12-41-200-003).

 (5) If the fuel spillage was from the left side, do the Inspection of the Overpressure Protector 96QM (Ref. AMM TASK 28-12-41-200-002).

 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞28-25-00∞∞∞∞∞∞∞∞∞∞Page 258
 Aug 01/05 CES

 

 (6) Do the Operational Test of the Refuel System (Ref. AMM TASK 28-25-00-710-003).

 (7) Do the Operational Test of the Defuel System (Ref. AMM TASK 28-25-00-710-002).

 (8) Do the Operational Test of the Crossfeed Valve (Ref. AMM TASK 28-23-00-720-001).

 (9) Do a check of and replace, if necessary, items of the vent/surge tank scavenge system that follow:

 NOTE : If the vent/surge tank scavenge system is inoperative, the
____ fuel level in the vent/surge tank will increase because it cannot be collected and transferred back into a main tank. If, during these conditions, a fuel surge were to occur during the refuel, less fuel can be held in the vent/surge tank than if it was continuously drained and almost empty. This will increase the possibility of a fuel spillage because the usable capacity of the vent/surge tank has been reduced.
　
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