(3)
When the fuel quantity has decreased to the necessary level:
(a) On the panel 40VU:
-release (out) the L TK PUMPS 1 and 2 (R TK PUMPS 1 and 2) P/BSW's
-the related CTR TK XFR P/BSW
-make sure that the applicable P/BSW OFF lights come on
-release (out) the MODE SEL P/BSW. Make sure that the MAN light of the MODE SEL P/BSW goes off (center-tank transfer system now in manual control).
(b) On the SD FUEL page:
-
make sure that the fuel quantity indications become stable
-
make sure that the fuel quantity indication for the center (transfer) tank stops decreasing.
(4)
To defuel the wing-tank(s) and the center (transfer) tank until empty:
WARNING : MOVE ALL THE FUEL OUT OF THE CENTER TANK BEFORE YOU GET
_______ ACCESS TO A WING TANK. FUEL IN THE CENTER TANK WILL MOVE INTO AN EMPTY WING TANK BY GRAVITY.
(a) On the panel 40VU:
1_ Push (in) the MODE SEL P/BSW. Make sure that the MAN light of
the MODE SEL P/BSW goes off (center-tank transfer system now
in automatic control).
NOTE : You can transfer fuel from the center (transfer) tank____
with the center transfer system in manual control.
2_ Push (in) the L TK PUMPS 1 and 2 (R TK PUMPS 1 and 2)
P/BSW(s).
3_ Push (in) the related CTR TK XFR P/BSW.
4_ Make sure that the applicable P/BSW OFF lights go off.
NOTE : You can defuel the center (transfer) tank without____
defueling the wing-tank(s) if there is sufficient space
(in the wing-tank(s)) for the center-tank fuel.
If you defuel the wing-tank(s) only, gravity will move
the fuel from the center (transfer) tank into the
wing-tank(s). This will happen even if the CTR TK XFR
P/BSW(s) (on the panel 40VU) are released (out)
(control valve(s) closed).
R 1EFF : 301-399, 1 28-25-00Page 316 1 1 May 01/05 1 1 1CES 1 5 On the ECAM lower DU, monitor the LH(RH) wing-tank and center
_ (transfer) tank fuel quantity.
6 When the fuel quantity in the LH(RH) wing-tank(s) and center
_ (transfer) tank indicate zero for 2 minutes, on the panel 40VU:
-
release (out) the L TK PUMPS 1 and 2 (R TK PUMPS 1 and 2) P/BSWs
-
release (out) the CTR TK L XFR (CTR TK R XFR) P/BSW(s)
-make sure that the applicable P/BSW OFF lights come on.
(b) Drain the remaining fuel from the tank (Ref. TASK 28-25-00-650-003).
**ON A/C ALL
5. Close-up
________ R **ON A/C 001-049, 052-099, 101-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 302/TASK 28-25-00-991-002)
**ON A/C 051-051,
(Ref. Fig. 302A/TASK 28-25-00-991-002-A)
**ON A/C ALL
(Ref. Fig. 303/TASK 28-25-00-991-003) R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
(Ref. Fig. 304/TASK 28-25-00-991-004)
**ON A/C 301-399,
(Ref. Fig. 304A/TASK 28-25-00-991-004-A)
1EFF : ALL 1 28-25-00Page 317 1 1 Aug 01/05 1 1 1CES 1 **ON A/C ALL
Subtask 28-25-00-410-050
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the access door 192MB.
Subtask 28-25-00-862-050
B. De-energize the Electrical Circuits
(1) De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
R **ON A/C 001-049, 052-099, 101-149, 151-199, 201-299, 301-399, 401-499,
Subtask 28-25-00-942-074
C. Removal of Equipment
(1)
Remove the safety barriers.
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