A. Safety Precautions WARNING : OBEY THE SAFETY PROCEDURES WHEN YOU DO WORK IN A FUEL TANK.
_______
(1) You must obey the fuel safety procedures (Ref. TASK 28-10-00-910-001) when you do work in a fuel tank.
(2) Put the safety barriers in position. R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
Subtask 28-21-52-650-053
B. Fuel Configuration
(1)
Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
(2)
Defuel (Ref. TASK 28-25-00-650-001) or transfer (Ref. TASK 28-25-00-869-001) the fuel from the applicable wing tank.
(3)
Energize the ECAM system (Ref. TASK 31-60-00-860-001).
(4)
On the ECAM Control Panel:
-push (in) the FUEL system page button.
(5)
On the panel 40VU:
-release (out) the X FEED P/BSW. Make sure that the ON and OPEN lights go off.
(6)
On the ECAM SDU, make sure that the crossfeed valve indication shows green cross-line (closed).
(7)
On the ECAM SDU, turn the LOWER DISPLAY switch counter-clockwise to the off position. Make sure that the ECAM SDU goes off.
(8)
De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
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(9) Drain the remaining fuel from the applicable wing tank (Ref. TASK 28-
25-00-650-003).
R **ON A/C 301-399,
R Subtask 28-21-52-650-053-A
R B. Fuel Configuration
R (1) Energize the aircraft electrical circuits
R (Ref. TASK 24-41-00-861-002).
R (2) Defuel (Ref. TASK 28-25-00-650-001) or transfer (Ref. TASK 28-25-00-
R 869-001) the fuel from the applicable wing tank and center tank.
R (3) Energize the ECAM system (Ref. TASK 31-60-00-860-001).
R (4) On the ECAM Control Panel:
R - push (in) the FUEL system page button.
R (5) On the panel 40VU:
R - release (out) the X FEED P/BSW. Make sure that the ON and OPEN
R lights go off.
R (6) On the ECAM SDU, make sure that the crossfeed valve indication shows
R green cross-line (closed).
R (7) On the ECAM SDU, turn the LOWER DISPLAY switch counter-clockwise to
R the off position. Make sure that the ECAM SDU goes off.
R (8) De-energize the aircraft electrical circuits
R (Ref. TASK 24-41-00-862-002).
R (9) Drain the remaining fuel from the applicable wing tank (Ref. TASK 28-
R 25-00-650-003).
Subtask 28-21-52-865-053
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
121VU FUEL/CTR TK/PUMP2 SPLY 30QA P26
121VU FUEL/CTR TK/PUMP1 SPLY 29QA P23
**ON A/C ALL
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
Subtask 28-21-52-010-050
D. Get Access
(1)
Put the access platform below the applicable access panel 540AB(640AB).
(2)
Remove the applicable fuel pump 21QA(26QA) (Ref. TASK 28-21-51-000-001).
(3)
Remove the applicable wing access panel (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-27-11-000-001):
-
FOR 1QM
remove 540AB
-
FOR 4QM
remove 640AB.
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(4)
Open the applicable RIB 2 surge door:
-
FOR 1QM
open 540BZ
-
FOR 4QM
open 640BZ.
(5)
Install the HOOK-COVER (RIB2-SURGE DOORS) (98D57004014000) on the applicable RIB 2 surge door 540BZ(640BZ).
4. Procedure
_________
**ON A/C 001-049, 051-061, 101-103, 201-203,
(Ref. Fig. 401/TASK 28-21-52-991-001)
**ON A/C 301-399,
(Ref. Fig. 401A/TASK 28-21-52-991-001-B) R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499, Post SB 28-1077 For A/C 001-049,051-061,101-103,201-203, (Ref. Fig. 401B/TASK 28-21-52-991-001-A) R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499, 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM FUEL 燃油3(71)
