- go to Para. 4.A.
NOTE : The kg and lb FQI values given in step (12)(b) are not
____ direct equivalents but have been rounded off to match the resolution of the displays.
**ON A/C 301-399,
B. Test
(1) If necessary, refuel, defuel or transfer fuel (Ref. AMM TASK 12-11-28-650-003) (Ref. AMM TASK 28-25-00-650-001) or (Ref. AMM TASK 28-25-00-869-001) to get the fuel load in the wing tanks as follows: - on the side that the FQI is seen (or reported) to decrease - to
FULL
- on the side that the FQI is seen (or reported) to increase - to between a maximum of 910 kg (2000 lb) and a minimum of 750 kg (1660 lb)
- the center tank - Not Applicable.
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Nov 01/04R CES
(2) Set the fuel pumps to OFF.
(3) On the ECAM FUEL System Page monitor, the left and right wing tank FQIs
NOTE : The resolution of the individual FQI tank values shown is 10
____
kg (20 lb).
(a) If the FQIs remain the same for an acceptable period:
- maintenance steps are not necessary.
(b) If the wing tank that was filled to full is seen to decrease (and the fuel transfers to the other wing):
- go to Para. 4.A.
**ON A/C ALL
4. Fault Isolation
_______________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
A. Procedure
(1) On the side that the outercell FQI is seen to decrease:
(a) Replace the VALVE-AIR INLET (161QM) (VALVE-AIR INLET (162QM)) (Ref. AMM TASK 28-25-57-000-001) and (Ref. AMM TASK 28-25-57-400-001).
(b) Do a visual inspection of the air inlet pipe installation between the air inlet valve 161QM (162QM) and pipe line connection at the Rib 15 (Ref. IPC 28-25-05-31). Look for damage, a failure or incorrect installation.
1 Repair or replace all the unserviceable pipes and connections.
_
(2) If, an inner cell drains to the other wing:
(a) Do a visual inspection of the air inlet pipe installation between the pipe line connection at the Rib 15 and the banjo connection to the refuel gallery (Ref. IPC 28-25-05-31).
1 Repair or replace all the unserviceable pipes and connections.
_
(b) Get access to the refuel gallery (fuel pipes and connections) between the Rib 1 and the Rib 15 (Ref. AMM TASK 28-00-00-000-001).
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Aug 01/05 CES NOTE : The damage limits for fuel pipes and fuel line shrouds are
____ given in the Fuel Pipe Repair Manual (Ref. FPRM Description) and (Ref. FPRM Check).
(c) Do a visual inspection of the refuel gallery (fuel pipes).
(d) If the source of the fuel leak (damage, failure or incorrect installation) cannot be found, remove all the refuel gallery pipes (Ref. AMM TASK 28-00-00-000-001).
(e) Do a visual inspection and test of the refuel gallery (fuel pipes) (Ref. FPRM).
(f) Repair (Ref. FPRM) or replace all the unserviceable fuel pipes and connections (Ref. AMM TASK 28-00-00-400-001).
(3) Do the check given in Para. 3.B.
**ON A/C 301-399,
A. Procedure
(1) On the side that the wing tank FQI is seen to decrease:
(a) Get access to the refuel-gallery air inlet-valve installation adjacent to the refuel coupling or the refuel coupling blanking plate (Ref. IPC 28-25-05-26).
(b) Do a visual inspection of the air inlet valve, look for damage, a failure or incorrect installation. If necessary:
1 Dismantle the banjo coupling.
_
2 Clean the banjo body, the banjo bolt and the ball-seal.
_
3 Do a check to make sure that the component parts are in a
_
serviceable condition.
4 If necessary, replace all items that are not serviceable.
_
5 Assemble the valve and install on the refuel gallery.
_
(c) Get access to the refuel gallery air inlet-valve air inlet pipe installation between the valve at Rib 15 to the outboard side of Rib 21.
(d) Do a visual inspection of the refuel-gallery air inlet-valve pipe (tube flexible) and replace, if necessary.
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